;;; chess-opening.el --- Chess opening classification

;; Copyright (C) 2004  Free Software Foundation, Inc.

;; Author: Mario Lang <mlang@delysid.org>
;; Keywords: games

;; This file is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.

;; This file is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING.  If not, write to
;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.

;;; Code:

(eval-when-compile (require 'cl))

(defgroup chess-opening nil
  "Chess opening classification module."
  :group 'chess)

(defcustom chess-opening-max-index 36
  "*Index at which to stop chess opening announcements."
  :group 'chess-opening
  :type 'integer)

(defvar chess-opening-hash-table
  (let ((hash (make-hash-table :size 10000 :test 'equal)))
    (mapc
     (lambda (entry) (puthash (car entry) (cdr entry) hash))
     (eval-when-compile
       ;; Convert the list of plies to the final position as a FEN
       ;; string at compile time.
       (mapcar
	(lambda (entry)
	  (message "preparing opening %s (%s)..." (car entry) (cadr entry))
	  (let ((pos (chess-pos-create)))
	    (mapc (lambda (move)
		    (apply 'chess-pos-move
			   pos (chess-ply-changes
				(chess-algebraic-to-ply pos move))))
		  (split-string (caddr entry) " "))
	    (list (chess-pos-to-fen pos) (cadr entry) (car entry))))
'(("A00a" "Start position" "")
  ("A00b" "Barnes Opening" "f3")
  ("A00b" "Fried fox" "f3 e5 Kf2")
  ("A00c" "Kadas Opening" "h4")
  ("A00d" "Clemenz Opening" "h3")
  ("A00e" "Ware Opening" "a4")
  ("A00f" "Anderssen Opening" "a3")
  ("A00f" "Creepy Crawly Opening (Basman)" "a3 e5 h3 d5")
  ("A00g" "Amar/Paris Opening" "Nh3")
  ("A00g" "Amar: Paris Gambit" "Nh3 d5 g3 e5 f4")
  ("A00h" "Durkin" "Na3")
  ("A00i" "Saragossa" "c3")
  ("A00j" "Mieses" "d3")
  ("A00j" "Mieses: 1...e5" "d3 e5")
  ("A00j" "Mieses: 1...d5" "d3 d5")
  ("A00j" "Spike Deferred" "d3 g6 g4")
  ("A00k" "Van Kruijs" "e3")
  ("A00l" "Van Geet (Dunst) Opening" "Nc3")
  ("A00l" "Van Geet: 1...Nf6" "Nc3 Nf6")
  ("A00l" "Van Geet: 1...Nf6 2.Nf3" "Nc3 Nf6 Nf3")
  ("A00l" "Van Geet: Tübingen Gambit" "Nc3 Nf6 g4")
  ("A00l" "Van Geet: 1...e5" "Nc3 e5")
  ("A00l" "Van Geet: 1...e5 2.Nf3" "Nc3 e5 Nf3")
  ("A00l" "Van Geet: Sicilian Variation" "Nc3 c5")
  ("A00l" "Van Geet: Sicilian Variation, 2.Nf3" "Nc3 c5 Nf3")
  ("A00l" "Van Geet: Sicilian Variation, 2.Nf3 Nc6" "Nc3 c5 Nf3 Nc6")
  ("A00m" "Van Geet: 1...d5" "Nc3 d5")
  ("A00m" "Van Geet: 1...d5 2.Nf3" "Nc3 d5 Nf3")
  ("A00m" "Van Geet: 1...d5 2.Nf3 Nf6" "Nc3 d5 Nf3 Nf6")
  ("A00m" "Van Geet: 1...d5 2.e4" "Nc3 d5 e4")
  ("A00m" "Van Geet: 1...d5 2.e4 d4" "Nc3 d5 e4 d4")
  ("A00m" "Van Geet: 1...d5 2.e4 dxe4" "Nc3 d5 e4 dxe4")
  ("A00m" "Van Geet: Hector Gambit" "Nc3 d5 e4 dxe4 Bc4")
  ("A00n" "Grob" "g4")
  ("A00n" "Grob: Alessi Gambit" "g4 f5")
  ("A00n" "Grob: Double Grob" "g4 g5")
  ("A00n" "Grob: 1...e5" "g4 e5")
  ("A00o" "Grob: 1...d5" "g4 d5")
  ("A00o" "Grob Gambit" "g4 d5 Bg2")
  ("A00o" "Grob Gambit: e5" "g4 d5 Bg2 e5")
  ("A00o" "Grob Gambit: Hurst Attack" "g4 d5 Bg2 e5 c4")
  ("A00o" "Grob Gambit: 2...c6" "g4 d5 Bg2 c6")
  ("A00o" "Grob Gambit: Spike Attack" "g4 d5 Bg2 c6 g5")
  ("A00o" "Grob Gambit Accepted" "g4 d5 Bg2 Bxg4")
  ("A00o" "Grob Gambit Accepted: Fritz Gambit" "g4 d5 Bg2 Bxg4 c4")
  ("A00p" "Polish (Sokolsky; Orang-Utan)" "b4")
  ("A00p" "Polish: Birmingham Gambit" "b4 c5")
  ("A00p" "Polish: 1...Nf6" "b4 Nf6")
  ("A00p" "Polish: 1...Nf6 2.Bb2" "b4 Nf6 Bb2")
  ("A00p" "Polish: 1...Nf6 2.Bb2 e6" "b4 Nf6 Bb2 e6")
  ("A00p" "Polish: 1...c6" "b4 c6")
  ("A00p" "Polish: Schühler Gambit" "b4 c6 Bb2 a5 b5")
  ("A00q" "Polish: 1...d5" "b4 d5")
  ("A00q" "Polish: 1...d5 2.Bb2" "b4 d5 Bb2")
  ("A00q" "Polish: 1...d5 2.Bb2 Bf5" "b4 d5 Bb2 Bf5")
  ("A00q" "Polish: 1...d5 2.Bb2 Nf6" "b4 d5 Bb2 Nf6")
  ("A00q" "Polish: 1...d5 2.Bb2 Nf6 3.e3" "b4 d5 Bb2 Nf6 e3")
  ("A00r" "Polish: 1...e5" "b4 e5")
  ("A00r" "Polish: Bugayev Attack" "b4 e5 a3")
  ("A00r" "Polish: 1...e5 2.Bb2" "b4 e5 Bb2")
  ("A00r" "Polish: Wolfertz Gambit" "b4 e5 Bb2 c5")
  ("A00r" "Polish: 1...e5 2.Bb2 f6" "b4 e5 Bb2 f6")
  ("A00r" "Polish: Tartakower Gambit" "b4 e5 Bb2 f6 e4 Bxb4")
  ("A00r" "Polish: 1...e5 2.Bb2 d6" "b4 e5 Bb2 d6")
  ("A00s" "Polish: 2...Bxb4" "b4 e5 Bb2 Bxb4")
  ("A00s" "Polish: 2...Bxb4 3.Bxe5" "b4 e5 Bb2 Bxb4 Bxe5")
  ("A00s" "Polish: 2...Bxb4 3.Bxe5 Nf6" "b4 e5 Bb2 Bxb4 Bxe5 Nf6")
  ("A00s" "Polish: 2...Bxb4 3.Bxe5 Nf6 4.c4" "b4 e5 Bb2 Bxb4 Bxe5 Nf6 c4")
  ("A00s" "Polish: 2...Bxb4 3.Bxe5 Nf6 4.Nf3" "b4 e5 Bb2 Bxb4 Bxe5 Nf6 Nf3")
  ("A00t" "Benko Opening" "g3")
  ("A00t" "Benko Opening" "g3 Nf6")
  ("A00t" "Benko Opening: Symmetrical" "g3 g6")
  ("A00u" "Benko Opening" "g3 e5")
  ("A00v" "Benko Opening" "g3 d5")
  ("A00v" "Benko Opening" "g3 d5 Bg2")
  ("A00v" "Benko Opening" "g3 d5 Bg2 c6")
  ("A00v" "Benko Opening" "g3 d5 Bg2 e5")
  ("A00v" "Benko Opening" "g3 d5 Bg2 Nf6")
  ("A01" "Nimzowitsch-Larsen Attack" "b3")
  ("A01" "Nimzowitsch-Larsen: Polish Variation" "b3 b5")
  ("A01" "Nimzowitsch-Larsen: Symmetrical" "b3 b6")
  ("A01" "Nimzowitsch-Larsen: Dutch Variation" "b3 f5")
  ("A01" "Nimzowitsch-Larsen: Ringelbach Gambit" "b3 f5 Bb2 e6 e4")
  ("A01" "Nimzowitsch-Larsen: English Variation" "b3 c5")
  ("A01" "Nimzowitsch-Larsen: Indian Variation" "b3 Nf6")
  ("A01" "Nimzowitsch-Larsen: Indian Variation" "b3 Nf6 Bb2 g6")
  ("A01" "Nimzowitsch-Larsen: Spike Variation" "b3 Nf6 Bb2 g6 g4")
  ("A01" "Nimzowitsch-Larsen: 1...d5" "b3 d5")
  ("A01" "Nimzowitsch-Larsen: 1...d5 2.Bb2" "b3 d5 Bb2")
  ("A01" "Nimzowitsch-Larsen: 1...e5" "b3 e5")
  ("A01" "Nimzowitsch-Larsen: 1...e5 2.Bb2" "b3 e5 Bb2")
  ("A01" "Nimzowitsch-Larsen: 1...e5 2.Bb2 d6" "b3 e5 Bb2 d6")
  ("A01" "Nimzowitsch-Larsen: 1...e5 2.Bb2 Nc6" "b3 e5 Bb2 Nc6")
  ("A01" "Nimzowitsch-Larsen: Paschmann Gambit" "b3 e5 Bb2 Nc6 f4")
  ("A01" "Nimzowitsch-Larsen: 1...e5 2.Bb2 Nc6 3.e3" "b3 e5 Bb2 Nc6 e3")
  ("A02" "Bird" "f4")
  ("A02" "Bird: Hobbs Gambit" "f4 g5")
  ("A02" "Bird: Symmetrical" "f4 f5")
  ("A02" "Bird: Swiss Gambit" "f4 f5 e4")
  ("A02" "Bird: Swiss Gambit" "f4 f5 e4 fxe4 Nc3 Nf6 g4")
  ("A02" "Bird: 1..d6" "f4 d6")
  ("A02" "Bird: 1..g6" "f4 g6")
  ("A02" "Bird: 1..g6" "f4 g6 Nf3 Bg7 e3")
  ("A02" "Bird: 1..g6" "f4 g6 Nf3 Bg7 g3")
  ("A02" "Bird: 1..c5" "f4 c5")
  ("A02" "Bird: 1..c5 2.Nf3 Nc6" "f4 c5 Nf3 Nc6")
  ("A02" "Bird: From Gambit" "f4 e5")
  ("A02" "Bird: From Gambit Accepted" "f4 e5 fxe5")
  ("A02" "Bird: From Gambit, Schlecter" "f4 e5 fxe5 Nc6")
  ("A02" "Bird: From Gambit, 2...d6" "f4 e5 fxe5 d6")
  ("A02" "Bird: From Gambit, 3.exd6" "f4 e5 fxe5 d6 exd6")
  ("A02" "Bird: From Gambit, Langheld Gambit" "f4 e5 fxe5 d6 exd6 Nf6")
  ("A02" "Bird: From Gambit, 3...Bxd6" "f4 e5 fxe5 d6 exd6 Bxd6")
  ("A02" "Bird: From Gambit, Lipke" "f4 e5 fxe5 d6 exd6 Bxd6 Nf3 Nh6 d4")
  ("A02" "Bird: From Gambit, Lasker Variation"
   "f4 e5 fxe5 d6 exd6 Bxd6 Nf3 g5")
  ("A02" "Bird: From Gambit, Lasker, 5.d4" "f4 e5 fxe5 d6 exd6 Bxd6 Nf3 g5 d4")
  ("A02" "Bird: From Gambit, Lasker, Queenswap Line"
   "f4 e5 fxe5 d6 exd6 Bxd6 Nf3 g5 d4 g4 Ne5 Bxe5 dxe5 Qxd1+")
  ("A02" "Bird: From Gambit, Lasker, 5.g3" "f4 e5 fxe5 d6 exd6 Bxd6 Nf3 g5 g3")
  ("A02" "Bird: 1..Nf6" "f4 Nf6")
  ("A02" "Bird: 1..Nf6 2.g3" "f4 Nf6 g3")
  ("A02" "Bird: 1..Nf6 2.e3" "f4 Nf6 e3")
  ("A02" "Bird: 1..Nf6 2.b3" "f4 Nf6 b3")
  ("A02" "Bird: 1..Nf6 2.Nf3" "f4 Nf6 Nf3")
  ("A02" "Bird: 1..Nf6 2.Nf3 d6" "f4 Nf6 Nf3 d6")
  ("A02" "Bird: 1..Nf6 2.Nf3 c5" "f4 Nf6 Nf3 c5")
  ("A02" "Bird: 1..Nf6 2.Nf3 g6" "f4 Nf6 Nf3 g6")
  ("A02" "Bird: Batavo Polish Attack" "f4 Nf6 Nf3 g6 b4")
  ("A02" "Bird: 1..Nf6 2.Nf3 g6 3.g3" "f4 Nf6 Nf3 g6 g3")
  ("A02" "Bird: 1..Nf6 2.Nf3 g6 3.g3" "f4 Nf6 Nf3 g6 g3 Bg7 Bg2")
  ("A02" "Bird: 1..Nf6 2.Nf3 g6 3.g3" "f4 Nf6 Nf3 g6 g3 Bg7 Bg2 d6")
  ("A03" "Bird: 1...d5" "f4 d5")
  ("A03" "Bird: Dudweiler Gambit" "f4 d5 g4")
  ("A03" "Bird: Sturm Gambit" "f4 d5 c4")
  ("A03" "Bird: Williams Gambit" "f4 d5 e4")
  ("A03" "Bird: 1...d5 2.b3" "f4 d5 b3")
  ("A03" "Bird: 1...d5 2.b3" "f4 d5 b3 Nf6")
  ("A03" "Bird: 1...d5 2.b3" "f4 d5 b3 Nf6 Bb2")
  ("A03" "Bird: 1...d5 2.g3" "f4 d5 g3")
  ("A03" "Bird: 1...d5 2.g3" "f4 d5 g3 Nf6")
  ("A03" "Bird: 1...d5 2.g3" "f4 d5 g3 Nf6 Bg2")
  ("A03" "Bird: Lasker Variation" "f4 d5 e3")
  ("A03" "Bird: Lasker Variation" "f4 d5 e3 Nf6")
  ("A03" "Bird: 1...d5 2.Nf3" "f4 d5 Nf3")
  ("A03" "Bird: 1...d5 2.Nf3 c5" "f4 d5 Nf3 c5")
  ("A03" "Bird: Batavo Gambit" "f4 d5 Nf3 c5 e4")
  ("A03" "Bird: 1...d5 2.Nf3 c5 3.e3" "f4 d5 Nf3 c5 e3")
  ("A03" "Bird: 1...d5 2.Nf3 g6" "f4 d5 Nf3 g6")
  ("A03" "Bird: 1...d5 2.Nf3 g6 3.e3" "f4 d5 Nf3 g6 e3")
  ("A03" "Bird: 1...d5 2.Nf3 g6 3.g3" "f4 d5 Nf3 g6 g3")
  ("A03" "Bird: 1...d5 2.Nf3 g6 3.g3" "f4 d5 Nf3 g6 g3 Bg7 Bg2")
  ("A03" "Bird: 1...d5 2.Nf3 Nf6" "f4 d5 Nf3 Nf6")
  ("A03" "Bird: 1...d5 2.Nf3 Nf6 3.b3" "f4 d5 Nf3 Nf6 b3")
  ("A03" "Bird: 1...d5 2.Nf3 Nf6 3.g3" "f4 d5 Nf3 Nf6 g3")
  ("A03" "Bird: 1...d5 2.Nf3 Nf6 3.g3 g6" "f4 d5 Nf3 Nf6 g3 g6")
  ("A03" "Bird: 1...d5 2.Nf3 Nf6 3.g3 g6" "f4 d5 Nf3 Nf6 g3 g6 Bg2 Bg7")
  ("A03" "Bird: 1...d5 2.Nf3 Nf6 3.g3 g6: 5.d3"
   "f4 d5 Nf3 Nf6 g3 g6 Bg2 Bg7 d3")
  ("A03" "Bird: 1...d5 2.Nf3 Nf6 3.g3 g6: 5.O-O"
   "f4 d5 Nf3 Nf6 g3 g6 Bg2 Bg7 O-O")
  ("A03" "Bird: 1...d5 2.Nf3 Nf6 3.g3 g6: 5.O-O O-O"
   "f4 d5 Nf3 Nf6 g3 g6 Bg2 Bg7 O-O O-O")
  ("A03" "Bird: 1...d5 2.Nf3 Nf6 3.g3 g6: 5.O-O O-O 6.d3"
   "f4 d5 Nf3 Nf6 g3 g6 Bg2 Bg7 O-O O-O d3")
  ("A03" "Bird: 1...d5 2.Nf3 Nf6 3.g3 g6: 6.d3 c6"
   "f4 d5 Nf3 Nf6 g3 g6 Bg2 Bg7 O-O O-O d3 c6")
  ("A03" "Bird: 1...d5 2.Nf3 Nf6 3.g3 g6: 6.d3 c5"
   "f4 d5 Nf3 Nf6 g3 g6 Bg2 Bg7 O-O O-O d3 c5")
  ("A03" "Bird: Lasker Variation" "f4 d5 Nf3 Nf6 e3")
  ("A03" "Bird: Lasker, 3...Bg4" "f4 d5 Nf3 Nf6 e3 Bg4")
  ("A03" "Bird: Lasker, 3...e6" "f4 d5 Nf3 Nf6 e3 e6")
  ("A03" "Bird: Lasker, 3...c5" "f4 d5 Nf3 Nf6 e3 c5")
  ("A03" "Bird: Lasker, 3...c5 4.b3" "f4 d5 Nf3 Nf6 e3 c5 b3")
  ("A03" "Bird: Lasker, 3...g6" "f4 d5 Nf3 Nf6 e3 g6")
  ("A04" "Reti" "Nf3")
  ("A04" "Reti: Herrström Gambit" "Nf3 g5")
  ("A04" "Reti: 1...b6" "Nf3 b6")
  ("A04" "Reti: 1...b5" "Nf3 b5")
  ("A04" "Reti: 1...Nc6" "Nf3 Nc6")
  ("A04" "Reti: 1...e6" "Nf3 e6")
  ("A04" "Reti: 1...e6" "Nf3 e6 g3")
  ("A04" "Reti: 1...g6" "Nf3 g6")
  ("A04" "Reti: 1...g6" "Nf3 g6 g3")
  ("A04" "Reti: 1...g6" "Nf3 g6 g3 Bg7")
  ("A04" "Reti: 1...g6" "Nf3 g6 g3 Bg7 Bg2")
  ("A04" "Reti: 1...f5" "Nf3 f5")
  ("A04" "Reti: 1...f5 2.d3" "Nf3 f5 d3")
  ("A04" "Reti: 1...f5 2.d3 Nf6" "Nf3 f5 d3 Nf6")
  ("A04" "Reti: Lisitsin Deferred" "Nf3 f5 d3 Nf6 e4")
  ("A04" "Reti: 1...f5 2.g3" "Nf3 f5 g3")
  ("A04" "Reti: Lisitsin" "Nf3 f5 e4")
  ("A04" "Reti: Lisitsin: 3.Ng5 Nf6" "Nf3 f5 e4 fxe4 Ng5 Nf6")
  ("A04" "Reti: Lisitsin: 3.Ng5 Nf6" "Nf3 f5 e4 fxe4 Ng5 Nf6 d3 e5")
  ("A04" "Reti: Lisitsin: 3.Ng5 Nf6" "Nf3 f5 e4 fxe4 Ng5 Nf6 d3 e3")
  ("A04" "Reti: Lisitsin: 3.Ng5 e5" "Nf3 f5 e4 fxe4 Ng5 e5")
  ("A04" "Reti: Lisitsin: 3.Ng5 d5" "Nf3 f5 e4 fxe4 Ng5 d5")
  ("A04" "Reti: 1...d6" "Nf3 d6")
  ("A04" "Reti: 1...c5" "Nf3 c5")
  ("A04" "Reti: 1...c5, Nimzowitsch-Larsen" "Nf3 c5 b3")
  ("A04" "Reti: 1...c5" "Nf3 c5 g3")
  ("A04" "Reti: 1...c5" "Nf3 c5 g3 b6")
  ("A04" "Reti: 1...c5" "Nf3 c5 g3 b6 Bg2 Bb7")
  ("A04" "Reti: 1...c5" "Nf3 c5 g3 g6")
  ("A04" "Reti: 1...c5" "Nf3 c5 g3 g6 Bg2 Bg7")
  ("A04" "Reti: 1...c5" "Nf3 c5 g3 g6 Bg2 Bg7 O-O Nc6")
  ("A04" "Reti: 1...c5" "Nf3 c5 g3 g6 Bg2 Bg7 O-O Nc6 d3")
  ("A04" "Reti: 1...c5" "Nf3 c5 g3 g6 Bg2 Bg7 O-O Nc6 d3 Nf6 e4")
  ("A04" "Reti: 1...c5" "Nf3 c5 g3 g6 Bg2 Bg7 O-O Nc6 d3 Nf6")
  ("A04" "Reti: 1...c5" "Nf3 c5 g3 g6 Bg2 Bg7 O-O Nc6 d3 d6 e4")
  ("A04" "Reti: 1...c5" "Nf3 c5 g3 g6 Bg2 Bg7 O-O Nc6 d3 e6 e4")
  ("A04" "Reti: 1...c5" "Nf3 c5 g3 Nc6")
  ("A04" "Reti: 1...c5" "Nf3 c5 g3 Nc6 Bg2")
  ("A05" "Reti: 1...Nf6" "Nf3 Nf6")
  ("A05" "Reti: 1...Nf6 2.b3" "Nf3 Nf6 b3")
  ("A05" "Reti: Santasiere's folly" "Nf3 Nf6 b4")
  ("A05" "Reti: 1...Nf6 2.e3" "Nf3 Nf6 e3")
  ("A05" "Reti: KIA" "Nf3 Nf6 g3")
  ("A05" "Reti: KIA" "Nf3 Nf6 g3 c5")
  ("A05" "Reti: KIA" "Nf3 Nf6 g3 c5 Bg2")
  ("A05" "Reti: KIA" "Nf3 Nf6 g3 c5 Bg2 Nc6")
  ("A05" "Reti: KIA" "Nf3 Nf6 g3 b6")
  ("A05" "Reti: KIA" "Nf3 Nf6 g3 b6 Bg2")
  ("A05" "Reti: KIA" "Nf3 Nf6 g3 b6 Bg2 Bb7")
  ("A05" "Reti: KIA, Spassky" "Nf3 Nf6 g3 b5")
  ("A05" "Reti: KIA, Spassky" "Nf3 Nf6 g3 b5 Bg2")
  ("A05" "Reti: KIA" "Nf3 Nf6 g3 g6")
  ("A05" "Reti: KIA, Reti-Smyslov Variation" "Nf3 Nf6 g3 g6 b4")
  ("A05" "Reti: KIA, Reti-Smyslov Variation" "Nf3 Nf6 g3 g6 b4 Bg7 Bb2")
  ("A05" "Reti: KIA" "Nf3 Nf6 g3 g6 Bg2")
  ("A05" "Reti: KIA" "Nf3 Nf6 g3 g6 Bg2 Bg7")
  ("A05" "Reti: KIA" "Nf3 Nf6 g3 g6 Bg2 Bg7 O-O")
  ("A05" "Reti: KIA" "Nf3 Nf6 g3 g6 Bg2 Bg7 O-O O-O")
  ("A05" "Reti: KIA" "Nf3 Nf6 g3 g6 Bg2 Bg7 O-O O-O d3")
  ("A05" "Reti: KIA" "Nf3 Nf6 g3 g6 Bg2 Bg7 O-O O-O d3 c5")
  ("A05" "Reti: KIA" "Nf3 Nf6 g3 g6 Bg2 Bg7 O-O O-O d3 d6")
  ("A06" "Reti: 1...d5" "Nf3 d5")
  ("A06" "Reti: Ampel Variation" "Nf3 d5 Rg1")
  ("A06" "Reti: Old Indian Attack" "Nf3 d5 d3")
  ("A06" "Reti: Old Indian Attack" "Nf3 d5 d3 Nf6")
  ("A06" "Reti: 1...d5 2.e3" "Nf3 d5 e3")
  ("A06" "Reti: Santasiere's folly" "Nf3 d5 b4")
  ("A06" "Reti: Santasiere's folly" "Nf3 d5 b4 Nf6")
  ("A06" "Reti: Tennison/Zukertort Gambit" "Nf3 d5 e4")
  ("A06" "Reti: Tennison Gambit Accepted" "Nf3 d5 e4 dxe4")
  ("A06" "Reti: Nimzowitsch-Larsen" "Nf3 d5 b3")
  ("A06" "Reti: Nimzowitsch-Larsen, 2...c5" "Nf3 d5 b3 c5")
  ("A06" "Reti: Nimzowitsch-Larsen, 2...Bg4" "Nf3 d5 b3 Bg4")
  ("A06" "Reti: Nimzowitsch-Larsen, 2...Bg4" "Nf3 d5 b3 Bg4 Bb2")
  ("A06" "Reti: Nimzowitsch-Larsen, 2...Bg4" "Nf3 d5 b3 Bg4 Bb2 Nd7 e3")
  ("A06" "Reti: Nimzowitsch-Larsen, 2...Nf6" "Nf3 d5 b3 Nf6")
  ("A06" "Reti: Nimzowitsch-Larsen, 2...Nf6" "Nf3 d5 b3 Nf6 Bb2")
  ("A06" "Reti: Nimzowitsch-Larsen, 2...Nf6" "Nf3 d5 b3 Nf6 Bb2 e6")
  ("A06" "Reti: Nimzowitsch-Larsen, 2...Nf6" "Nf3 d5 b3 Nf6 Bb2 e6 e3")
  ("A07" "Reti: KIA" "Nf3 d5 g3")
  ("A07" "Reti: KIA" "Nf3 d5 g3 Nc6")
  ("A07" "Reti: KIA" "Nf3 d5 g3 Nc6 Bg2 e5")
  ("A07" "Reti: KIA" "Nf3 d5 g3 Nc6 Bg2 e5 d3 Nf6")
  ("A07" "Reti: KIA" "Nf3 d5 g3 Nc6 Bg2 e5 d3 Nf6 O-O")
  ("A07" "Reti: KIA" "Nf3 d5 g3 Nc6 Bg2 e5 d3 Nf6 O-O Be7")
  ("A07" "Reti: KIA" "Nf3 d5 g3 c6")
  ("A07" "Reti: KIA, Yugoslav" "Nf3 d5 g3 c6 Bg2 Bg4")
  ("A07" "Reti: KIA, Yugoslav" "Nf3 d5 g3 c6 Bg2 Bg4 O-O")
  ("A07" "Reti: KIA, Yugoslav" "Nf3 d5 g3 c6 Bg2 Bg4 O-O Nd7")
  ("A07" "Reti: KIA, Yugoslav" "Nf3 d5 g3 c6 Bg2 Bg4 O-O Nd7 d3")
  ("A07" "Reti: KIA, Yugoslav" "Nf3 d5 g3 Nf6 Bg2 c6 O-O Bg4")
  ("A07" "Reti: KIA, Yugoslav" "Nf3 d5 g3 Nf6 Bg2 c6 O-O Bg4 d3")
  ("A07" "Reti: KIA, Yugoslav, Main Line"
   "Nf3 d5 g3 Nf6 Bg2 c6 O-O Bg4 d3 Nbd7")
  ("A07" "Reti: KIA, Yugoslav, Main Line, 6.Nbd2"
   "Nf3 d5 g3 Nf6 Bg2 c6 O-O Bg4 d3 Nbd7 Nbd2")
  ("A07" "Reti: KIA, Yugoslav, Main Line, 6.Nbd2 e6"
   "Nf3 d5 g3 Nf6 Bg2 c6 O-O Bg4 d3 Nbd7 Nbd2 e6")
  ("A07" "Reti: KIA, Yugoslav, Main Line, 6.Nbd2 e5"
   "Nf3 d5 g3 Nf6 Bg2 c6 O-O Bg4 d3 Nbd7 Nbd2 e5")
  ("A07" "Reti: KIA" "Nf3 d5 g3 Bg4")
  ("A07" "Reti: KIA, Keres Variation" "Nf3 d5 g3 Bg4 Bg2 Nd7")
  ("A07" "Reti: KIA" "Nf3 d5 g3 Nf6")
  ("A07" "Reti: KIA" "Nf3 d5 g3 Nf6 Bg2")
  ("A07" "Reti: KIA, Neo-Grünfeld" "Nf3 d5 g3 Nf6 Bg2 g6")
  ("A07" "Reti: KIA" "Nf3 d5 g3 Nf6 Bg2 Bf5")
  ("A07" "Reti: KIA" "Nf3 d5 g3 Nf6 Bg2 e6")
  ("A07" "Reti: KIA" "Nf3 d5 g3 Nf6 Bg2 c6")
  ("A07" "Reti: KIA, Petrosian Variation"
   "Nf3 d5 g3 Nf6 Bg2 c6 O-O Bf5 d3 e6 Nbd2")
  ("A07" "Reti: KIA" "Nf3 d5 g3 g6")
  ("A07" "Reti: KIA" "Nf3 d5 g3 g6 Bg2")
  ("A07" "Reti: KIA, Pachman" "Nf3 d5 g3 g6 Bg2 Bg7 O-O e5 d3 Ne7")
  ("A08" "Reti: KIA, 2...c5" "Nf3 d5 g3 c5")
  ("A08" "Reti: KIA, 2...c5" "Nf3 d5 g3 c5 Bg2")
  ("A08" "Reti: KIA, 2...c5 + 3...g6" "Nf3 d5 g3 c5 Bg2 g6 O-O Bg7")
  ("A08" "Reti: KIA, 2...c5 + 3...g6" "Nf3 d5 g3 c5 Bg2 g6 O-O Bg7 d3")
  ("A08" "Reti: KIA, 2...c5 + 3...g6" "Nf3 d5 g3 c5 Bg2 g6 O-O Bg7 d3 Nf6")
  ("A08" "Reti: KIA, 2...c5 + 3...g6"
   "Nf3 d5 g3 c5 Bg2 g6 O-O Bg7 d3 Nf6 Nbd2 O-O")
  ("A08" "Reti: KIA, 2...c5 + 3...g6"
   "Nf3 d5 g3 c5 Bg2 g6 O-O Nc6 d3 Nf6")
  ("A08" "Reti: KIA, 2...c5  3.Bg2 Nc6" "Nf3 d5 g3 c5 Bg2 Nc6")
  ("A08" "Reti: KIA, 2...c5, 3.Bg2 Nc6 4.O-O" "Nf3 d5 g3 c5 Bg2 Nc6 O-O")
  ("A08" "Reti: KIA, 2...c5, 3.Bg2 Nc6 4.d4" "Nf3 d5 g3 c5 Bg2 Nc6 d4")
  ("A08" "Reti: KIA, 2...c5 3.Bg2 Nf6" "Nf3 d5 g3 c5 Bg2 Nf6")
  ("A08" "Reti: KIA, 2...c5 3.Bg2 Nf6 4.O-O" "Nf3 d5 g3 c5 Bg2 Nf6 O-O")
  ("A08" "Reti: KIA, 2...c5 3.Bg2 Nf6 4.O-O Nc6"
   "Nf3 d5 g3 c5 Bg2 Nf6 O-O Nc6")
  ("A08" "Reti: KIA, French Variation"
   "Nf3 d5 g3 c5 Bg2 Nc6 O-O e6 d3 Nge7 Nbd2 b6 e4")
  ("A08" "Reti: KIA, French Variation"
   "Nf3 d5 g3 c5 Bg2 Nc6 O-O e6 d3 Nf6 Nbd2 b6 e4")
  ("A08" "Reti: KIA, French Variation"
   "Nf3 d5 g3 c5 Bg2 Nc6 O-O e6 d3 Nge7 Nbd2 g6 e4 Bg7")
  ("A08" "Reti: KIA, French Variation"
   "Nf3 d5 g3 c5 Bg2 Nc6 O-O e6 d3 Nf6 Nbd2 g6 e4 Bg7")
  ("A08" "Reti: KIA, French Variation"
   "Nf3 d5 g3 c5 Bg2 Nc6 O-O e6 d3 Nf6 Nbd2 Be7 e4")
  ("A08" "Reti: KIA, French Variation"
   "Nf3 d5 g3 c5 Bg2 Nc6 O-O e6 d3 Nf6 Nbd2 Be7 e4 O-O Re1")
  ("A08" "Reti: KIA, French Variation"
   "Nf3 d5 g3 c5 Bg2 Nc6 O-O e6 d3 Bd6 Nbd2 Nge7 e4")
  ("A08" "Reti: KIA, French Variation"
   "Nf3 d5 g3 c5 Bg2 Nc6 O-O e6 d3 Bd6 Nbd2 Nge7 e4 O-O Re1")
  ("A09a" "Reti: 2.c4" "Nf3 d5 c4")
  ("A09b" "Reti: Advance Variation" "Nf3 d5 c4 d4")
  ("A09c" "Reti: Advance, Anglo-Polish Attack" "Nf3 d5 c4 d4 b4")
  ("A09c" "Reti: Advance, Anglo-Polish, 3...g6" "Nf3 d5 c4 d4 b4 g6")
  ("A09d" "Reti: Advance, 3.e3" "Nf3 d5 c4 d4 e3")
  ("A09e" "Reti: Advance, 3.e3 c5" "Nf3 d5 c4 d4 e3 c5")
  ("A09f" "Reti: Advance, 3.e3 Nc6" "Nf3 d5 c4 d4 e3 Nc6")
  ("A09f" "Reti: Advance, 3.e3 Nc6 4.exd4 Nxd4"
   "Nf3 d5 c4 d4 e3 Nc6 exd4 Nxd4")
  ("A09g" "Reti: Advance, 3.g3" "Nf3 d5 c4 d4 g3")
  ("A09h" "Reti: Advance, 3.g3 Nc6" "Nf3 d5 c4 d4 g3 Nc6")
  ("A09h" "Reti: Advance, 3.g3 Nc6 4.Bg2 e5" "Nf3 d5 c4 d4 g3 Nc6 Bg2 e5")
  ("A09i" "Reti: Advance, 3.g3 g6" "Nf3 d5 c4 d4 g3 g6")
  ("A09i" "Reti: Advance, 3.g3 g6 4.Bg2 Bg7" "Nf3 d5 c4 d4 g3 g6 Bg2 Bg7")
  ("A09j" "Reti: Advance, 3.g3 c5" "Nf3 d5 c4 d4 g3 c5")
  ("A09j" "Reti: Advance, 3.g3 c5 4.Bg2 Nc6" "Nf3 d5 c4 d4 g3 c5 Bg2 Nc6")
  ("A09j" "Reti: Advance, 3.g3 c5 4.Bg2 Nc6 5.d3 e5"
   "Nf3 d5 c4 d4 g3 c5 Bg2 Nc6 d3 e5")
  ("A09k" "Reti: Accepted" "Nf3 d5 c4 dxc4")
  ("A09l" "Reti: Accepted, 3.g3" "Nf3 d5 c4 dxc4 g3")
  ("A09m" "Reti: Accepted, 3.g3 e6" "Nf3 d5 c4 dxc4 g3 e6")
  ("A09n" "Reti: Accepted, 3.Qa4+" "Nf3 d5 c4 dxc4 Qa4+")
  ("A09o" "Reti: Accepted, 3.Na3" "Nf3 d5 c4 dxc4 Na3")
  ("A09p" "Reti: Accepted, 3.Na3 a6" "Nf3 d5 c4 dxc4 Na3 a6")
  ("A09q" "Reti: Accepted, 3.Na3 c5" "Nf3 d5 c4 dxc4 Na3 c5")
  ("A09r" "Reti: Accepted, 3.e3" "Nf3 d5 c4 dxc4 e3")
  ("A09s" "Reti: Accepted, Keres Variation" "Nf3 d5 c4 dxc4 e3 Be6")
  ("A09t" "Reti: Accepted, 3.e3 Nf6" "Nf3 d5 c4 dxc4 e3 Nf6")
  ("A09u" "Reti: Accepted, 3.e3 Nf6 4.Bxc4 e6"
   "Nf3 d5 c4 dxc4 e3 Nf6 Bxc4 e6")
  ("A10" "English" "c4")
  ("A10" "English: 1...g5" "c4 g5")
  ("A10" "English: 1...g5 2.d4" "c4 g5 d4")
  ("A10" "English: Myers Gambit" "c4 g5 d4 Bg7")
  ("A10" "English: 1...Nc6" "c4 Nc6")
  ("A10" "English: 1...Nc6 2.Nc3" "c4 Nc6 Nc3")
  ("A10" "English: Jänisch Gambit" "c4 b5")
  ("A10" "English: Vector" "c4 d5")
  ("A10" "English: 1...b6" "c4 b6")
  ("A10" "English: 1...b6 2.Nf3" "c4 b6 Nf3")
  ("A10" "English: 1...b6 2.Nf3 Bb7" "c4 b6 Nf3 Bb7")
  ("A10" "English: 1...b6 2.Nc3" "c4 b6 Nc3")
  ("A10" "English: 1...b6 2.Nc3 e6" "c4 b6 Nc3 e6")
  ("A10" "English: 1...b6 2.Nc3 e6 3.e4" "c4 b6 Nc3 e6 e4")
  ("A10" "English: 1...b6 2.Nc3 Bb7" "c4 b6 Nc3 Bb7")
  ("A10" "English: 1...b6 2.Nc3 Bb7 3.e4" "c4 b6 Nc3 Bb7 e4")
  ("A10" "English: 1...b6 2.Nc3 Bb7 3.e4 e6" "c4 b6 Nc3 Bb7 e4 e6")
  ("A10" "English: 1...d6" "c4 d6")
  ("A10" "English: 1...d6" "c4 d6 Nc3")
  ("A10" "English: 1...d6" "c4 d6 Nf3")
  ("A10" "English: 1...g6" "c4 g6")
  ("A10" "English: 1...g6 2.g3" "c4 g6 g3")
  ("A10" "English: 1...g6 2.Nc3" "c4 g6 Nc3")
  ("A10" "English: 1...g6 2.Nc3 Bg7" "c4 g6 Nc3 Bg7")
  ("A10" "English: 1...g6 2.Nc3 Bg7 3.g3" "c4 g6 Nc3 Bg7 g3")
  ("A10" "English: 1...g6" "c4 g6 Nf3")
  ("A10" "English: 1...g6" "c4 g6 Nf3 Bg7")
  ("A10" "English: 1...g6 2.e4" "c4 g6 e4")
  ("A10" "English: Adorjan Defence" "c4 g6 e4 e5")
  ("A10" "English: Anglo-Dutch" "c4 f5")
  ("A10" "English: Wade Gambit" "c4 f5 g4")
  ("A10" "English: Anglo-Dutch" "c4 f5 g3")
  ("A10" "English: Anglo-Dutch" "c4 f5 g3 Nf6")
  ("A10" "English: Anglo-Dutch" "c4 f5 g3 Nf6 Bg2")
  ("A10" "English: Anglo-Dutch" "c4 f5 Nc3")
  ("A10" "English: Anglo-Dutch" "c4 f5 Nc3 Nf6")
  ("A10" "English: Anglo-Dutch" "c4 f5 Nc3 Nf6 g3")
  ("A10" "English: Anglo-Dutch" "c4 f5 Nc3 Nf6 g3 g6")
  ("A10" "English: Anglo-Dutch" "c4 f5 Nf3")
  ("A10" "English: Anglo-Dutch" "c4 f5 Nf3 e6")
  ("A10" "English: Anglo-Dutch" "c4 f5 Nf3 Nf6")
  ("A10" "English: Anglo-Dutch" "c4 f5 Nf3 Nf6 Nc3")
  ("A10" "English: Anglo-Dutch" "c4 f5 Nf3 Nf6 g3")
  ("A10" "English: Anglo-Dutch" "c4 f5 Nf3 Nf6 g3 e6")
  ("A10" "English: Anglo-Dutch" "c4 f5 Nf3 Nf6 g3 e6 Bg2")
  ("A10" "English: Anglo-Dutch" "c4 f5 Nf3 Nf6 g3 e6 Bg2 c6 O-O d5")
  ("A10" "English: Anglo-Dutch" "c4 f5 Nf3 Nf6 g3 e6 Bg2 Be7")
  ("A10" "English: Anglo-Dutch" "c4 f5 Nf3 Nf6 g3 e6 Bg2 Be7 O-O")
  ("A10" "English: Anglo-Dutch" "c4 f5 Nf3 Nf6 g3 e6 Bg2 Be7 O-O O-O")
  ("A10" "English: Anglo-Dutch" "c4 f5 Nf3 Nf6 g3 e6 Bg2 Be7 O-O O-O Nc3")
  ("A11" "English: Caro-Kann Defence" "c4 c6")
  ("A11" "English: Caro-Kann Defence" "c4 c6 g3")
  ("A11" "English: Caro-Kann Defence" "c4 c6 g3 Nf6")
  ("A11" "English: Caro-Kann Defence" "c4 c6 g3 Nf6 Bg2 d5")
  ("A11" "English: Caro-Kann Defence" "c4 c6 g3 Nf6 Bg2 d5 Nf3")
  ("A11" "English: Caro-Kann Defence" "c4 c6 g3 Nf6 Bg2 d5 Nf3 Bf5")
  ("A11" "English: Caro-Kann Defence" "c4 c6 g3 Nf6 Bg2 d5 Nf3 Bf5 O-O")
  ("A11" "English: Caro-Kann Defence"
   "c4 c6 g3 Nf6 Bg2 d5 Nf3 Bf5 O-O e6 d3")
  ("A11" "English: Caro-Kann Defence" "c4 c6 g3 Nf6 Bg2 d5 Nf3 Bg4")
  ("A11" "English: Caro-Kann Defence" "c4 c6 g3 Nf6 Bg2 d5 Nf3 Bg4 O-O")
  ("A11" "English: Caro-Kann Defence" "c4 c6 Nc3")
  ("A11" "English: Caro-Kann Defence" "c4 c6 Nc3 d5")
  ("A11" "English: Caro-Kann Defence" "c4 c6 Nf3")
  ("A11" "English: Caro-Kann Defence" "c4 c6 Nf3 Nf6")
  ("A11" "English: Caro-Kann Defence" "c4 c6 Nf3 d5")
  ("A11" "English: Caro-Kann Defence, 3.g3" "c4 c6 Nf3 d5 g3")
  ("A11" "English: Caro-Kann Defence, 3.g3 Bg4" "c4 c6 Nf3 d5 g3 Bg4")
  ("A11" "English: Caro-Kann Defence, 3.g3 Bg4" "c4 c6 Nf3 d5 g3 Bg4 Bg2")
  ("A11" "English: Caro-Kann Defence, 3.e3" "c4 c6 Nf3 d5 e3")
  ("A11" "English: Caro-Kann Defence, 3.e3 Nf6" "c4 c6 Nf3 d5 e3 Nf6")
  ("A11" "English: Caro-Kann Defence, 3.e3 Nf6 4.Nc3"
   "c4 c6 Nf3 d5 e3 Nf6 Nc3")
  ("A12" "English: Caro-Kann Defence, 3.b3" "c4 c6 Nf3 d5 b3")
  ("A12" "English: Torre Defence" "c4 c6 Nf3 d5 b3 Nf6 g3 Bg4")
  ("A12" "English: Torre Defence" "c4 c6 Nf3 d5 b3 Nf6 g3 Bg4 Bg2")
  ("A12" "English: Torre Defence" "c4 c6 Nf3 d5 b3 Nf6 g3 Bg4 Bg2 e6")
  ("A12" "English: Torre Defence" "c4 c6 Nf3 d5 b3 Nf6 g3 Bg4 Bg2 e6 Bb2")
  ("A12" "English: London Defence" "c4 c6 Nf3 d5 b3 Nf6 g3 Bf5")
  ("A12" "English: London Defence" "c4 c6 Nf3 d5 b3 Nf6 g3 Bf5 Bg2")
  ("A12" "English: London Defence" "c4 c6 Nf3 d5 b3 Nf6 g3 Bf5 Bg2 e6")
  ("A12" "English: London Defence" "c4 c6 Nf3 d5 b3 Nf6 g3 Bf5 Bg2 e6 Bb2")
  ("A12" "English: Caro-Kann Defence, 3.b3" "c4 c6 Nf3 d5 b3 Nf6 Bb2")
  ("A12" "English: Bled Variation" "c4 c6 Nf3 d5 b3 Nf6 Bb2 g6")
  ("A12" "English: Bled Variation" "c4 c6 Nf3 d5 b3 Nf6 Bb2 g6 e3 Bg7")
  ("A12" "English: New York/London Defence" "c4 c6 Nf3 d5 b3 Nf6 Bb2 Bf5")
  ("A12" "English: Capablanca" "c4 c6 Nf3 d5 b3 Nf6 Bb2 Bg4")
  ("A12" "English: Bogoljubow Variation" "c4 c6 Nf3 d5 b3 Bg4")
  ("A13a" "English: 1...e6" "c4 e6")
  ("A13b" "English: 1...e6 2.g3" "c4 e6 g3")
  ("A13c" "English: 1...e6 2.g3 d5" "c4 e6 g3 d5")
  ("A13d" "English: 1...e6 2.g3 d5" "c4 e6 g3 d5 Bg2")
  ("A13e" "English: 1...e6 2.Nc3" "c4 e6 Nc3")
  ("A13f" "English: 1...e6 2.Nc3 Bb4" "c4 e6 Nc3 Bb4")
  ("A13g" "English: 1...e6 2.Nc3 d5" "c4 e6 Nc3 d5")
  ("A13h" "English: 1...e6 2.Nf3" "c4 e6 Nf3")
  ("A13i" "English: 1...e6 2.Nf3 Nf6" "c4 e6 Nf3 Nf6")
  ("A13j" "English: 1...e6 2.Nf3 Nf6 3.g3" "c4 e6 Nf3 Nf6 g3")
  ("A13k" "English: Romanishin Gambit" "c4 e6 Nf3 Nf6 g3 a6 Bg2 b5")
  ("A13l" "English: 1...e6 2.Nf3 d5" "c4 e6 Nf3 d5")
  ("A13m" "English: Agincourt Variation" "c4 e6 Nf3 d5 b3")
  ("A13n" "English: Wimpey System" "c4 e6 Nf3 d5 b3 Nf6 Bb2 c5 e3")
  ("A13n" "English: Wimpey System" "c4 e6 Nf3 d5 b3 Nf6 Bb2 c5 e3 Nc6")
  ("A13o" "English: Agincourt Variation" "c4 e6 Nf3 d5 g3")
  ("A13p" "English: Kurajica Defence" "c4 e6 Nf3 d5 g3 c6")
  ("A13q" "English: Kurajica Defence" "c4 e6 Nf3 d5 g3 c6 Qc2")
  ("A13r" "English: Neo-Catalan" "c4 e6 Nf3 d5 g3 Nf6")
  ("A13s" "English: Neo-Catalan" "c4 e6 Nf3 d5 g3 Nf6 Bg2")
  ("A13s" "English: Neo-Catalan, 4...c6" "c4 e6 Nf3 d5 g3 Nf6 Bg2 c6")
  ("A13s" "English: Neo-Catalan, 4...c6 5.b3"
   "c4 e6 Nf3 d5 g3 Nf6 Bg2 c6 b3")
  ("A13t" "English: Neo-Catalan, 4...c5" "c4 e6 Nf3 d5 g3 Nf6 Bg2 c5")
  ("A13t" "English: Neo-Catalan, 4...c5 5.O-O"
   "c4 e6 Nf3 d5 g3 Nf6 Bg2 c5 O-O")
  ("A13u" "English: Neo-Catalan Accepted" "c4 e6 Nf3 d5 g3 Nf6 Bg2 dxc4")
  ("A13v" "English: Neo-Catalan Accepted, 5.Qa4+"
   "c4 e6 Nf3 d5 g3 Nf6 Bg2 dxc4 Qa4+")
  ("A13v" "English: Neo-Catalan Accepted, 5.Qa4+ Nbd7"
   "c4 e6 Nf3 d5 g3 Nf6 Bg2 dxc4 Qa4+ Nbd7")
  ("A13v" "English: Neo-Catalan Accepted, 5.Qa4+ Nbd7 6.O-O"
   "c4 e6 Nf3 d5 g3 Nf6 Bg2 dxc4 Qa4+ Nbd7 O-O")
  ("A13w" "English: Neo-Catalan Accepted, 5.Qa4+ Nbd7 6.Qxc4"
   "c4 e6 Nf3 d5 g3 Nf6 Bg2 dxc4 Qa4+ Nbd7 Qxc4")
  ("A13w" "English: Neo-Catalan Accepted, 5.Qa4+ Nbd7 6.Qxc4 a6"
   "c4 e6 Nf3 d5 g3 Nf6 Bg2 dxc4 Qa4+ Nbd7 Qxc4 a6")
  ("A13w" "English: Neo-Catalan Accepted, 5.Qa4+ Nbd7 6.Qxc4 c5"
   "c4 e6 Nf3 d5 g3 Nf6 Bg2 dxc4 Qa4+ Nbd7 Qxc4 c5")
  ("A14" "English: Neo-Catalan Declined" "c4 e6 Nf3 d5 g3 Nf6 Bg2 Be7")
  ("A14" "English: Neo-Catalan Declined"
   "c4 e6 Nf3 d5 g3 Nf6 Bg2 Be7 O-O")
  ("A14" "English: Neo-Catalan Declined, 5...c6"
   "c4 e6 Nf3 d5 g3 Nf6 Bg2 Be7 O-O c6")
  ("A14" "English: Neo-Catalan Declined, 5...c5"
   "c4 e6 Nf3 d5 g3 Nf6 Bg2 Be7 O-O c5")
  ("A14" "English: Neo-Catalan Declined, 5...O-O"
   "c4 e6 Nf3 d5 g3 Nf6 Bg2 Be7 O-O O-O")
  ("A14" "English: Neo-Catalan Declined, 5...O-O 6.b3"
   "c4 e6 Nf3 d5 g3 Nf6 Bg2 Be7 O-O O-O b3")
  ("A14" "English: Neo-Catalan Declined, 5...O-O 6.b3 b6"
   "c4 e6 Nf3 d5 g3 Nf6 Bg2 Be7 O-O O-O b3 b6")
  ("A14" "English: Neo-Catalan Declined, 5...O-O 6.b3 b6 7.Bb2 Bb7"
   "c4 e6 Nf3 d5 g3 Nf6 Bg2 Be7 O-O O-O b3 b6 Bb2 Bb7")
  ("A14" "English: Neo-Catalan Declined, 5...O-O 6.b3 b6 7.Bb2 Bb7 8.e3"
   "c4 e6 Nf3 d5 g3 Nf6 Bg2 Be7 O-O O-O b3 b6 Bb2 Bb7 e3")
  ("A14" "English: Neo-Catalan Declined, 5...O-O 6.b3 c5"
   "c4 e6 Nf3 d5 g3 Nf6 Bg2 Be7 O-O O-O b3 c5")
  ("A14" "English: Neo-Catalan Declined, 5...O-O 6.b3 c5 7.Bb2"
   "c4 e6 Nf3 d5 g3 Nf6 Bg2 Be7 O-O O-O b3 c5 Bb2")
  ("A14" "English: Neo-Catalan Declined, 5...O-O 6.b3 c5 7.Bb2 Nc6"
   "c4 e6 Nf3 d5 g3 Nf6 Bg2 Be7 O-O O-O b3 c5 Bb2 Nc6")
  ("A14" "English: Neo-Catalan Declined, 5...O-O 6.b3 c5 7.Bb2 Nc6 8.e3"
   "c4 e6 Nf3 d5 g3 Nf6 Bg2 Be7 O-O O-O b3 c5 Bb2 Nc6 e3")
  ("A15" "English: Anglo-Indian" "c4 Nf6")
  ("A15" "English: Anglo-Indian, Polish" "c4 Nf6 b4")
  ("A15" "English: Anglo-Indian, 2.g3" "c4 Nf6 g3")
  ("A15" "English: Anglo-Indian, 2.g3 e6" "c4 Nf6 g3 e6")
  ("A15" "English: Anglo-Indian, 2.g3 e6" "c4 Nf6 g3 e6 Bg2")
  ("A15" "English: Anglo-Indian, 2.g3 g6" "c4 Nf6 g3 g6")
  ("A15" "English: Anglo-Indian, 2.g3 g6" "c4 Nf6 g3 g6 Bg2 Bg7")
  ("A15" "English: Anglo-Indian, 2.Nf3" "c4 Nf6 Nf3")
  ("A15" "English: Anglo-Indian, 2.Nf3 g6" "c4 Nf6 Nf3 g6")
  ("A15" "English: Anglo-Indian, 2.Nf3 g6" "c4 Nf6 Nf3 g6 g3 Bg7 Bg2")
  ("A15" "English: Anglo-Indian, 2.Nf3 g6" "c4 Nf6 Nf3 g6 g3 Bg7 Bg2 O-O")
  ("A16" "English: Anglo-Indian, 2.Nc3" "c4 Nf6 Nc3")
  ("A16" "English: Anglo-Indian, 2.Nc3 Nc6" "c4 Nf6 Nc3 Nc6")
  ("A16" "English: Anglo-Indian, 2.Nc3 c6" "c4 Nf6 Nc3 c6")
  ("A16" "English: Anglo-Indian, 2.Nc3 c6 3.e4" "c4 Nf6 Nc3 c6 e4")
  ("A16" "English: Anglo-Indian, 2.Nc3 c6 3.e4 d5" "c4 Nf6 Nc3 c6 e4 d5")
  ("A16" "English: Anglo-Indian, 2.Nc3 c6 3.e4 e5" "c4 Nf6 Nc3 c6 e4 e5")
  ("A16" "English: Anglo-Indian, 2.Nc3 d6" "c4 Nf6 Nc3 d6")
  ("A16" "English: Anglo-Indian, 2.Nc3 g6" "c4 Nf6 Nc3 g6")
  ("A16" "English: Anglo-Indian, 2.Nc3 g6 3.e4" "c4 Nf6 Nc3 g6 e4")
  ("A16" "English: Anglo-Indian, 2.Nc3 g6 3.g3" "c4 Nf6 Nc3 g6 g3")
  ("A16" "English: Anglo-Indian, 2.Nc3 g6 3.g3" "c4 Nf6 Nc3 g6 g3 Bg7")
  ("A16" "English: Anglo-Indian, 2.Nc3 g6 3.g3" "c4 Nf6 Nc3 g6 g3 Bg7 Bg2")
  ("A16" "English: Anglo-Indian, 2.Nc3 g6 3.g3"
   "c4 Nf6 Nc3 g6 g3 Bg7 Bg2 O-O")
  ("A16" "English: Anglo-Indian, 2.Nc3 g6 3.g3"
   "c4 Nf6 Nc3 g6 g3 Bg7 Bg2 O-O e4")
  ("A16" "English: Anglo-Indian, 2.Nc3 g6 3.g3"
   "c4 Nf6 Nc3 g6 g3 Bg7 Bg2 O-O Nf3")
  ("A16" "English: Anglo-Indian, 2.Nc3 g6 3.g3"
   "c4 Nf6 Nc3 g6 g3 Bg7 Bg2 O-O Nf3 d6 O-O")
  ("A16" "English: Anglo-Grünfeld"
   "c4 Nf6 Nc3 d5")
  ("A16" "English: Anglo-Grünfeld" "c4 Nf6 Nc3 d5 Nf3")
  ("A16" "English: Anglo-Grünfeld" "c4 Nf6 Nc3 d5 Nf3 g6")
  ("A16" "English: Anglo-Grünfeld" "c4 Nf6 Nc3 d5 Nf3 g6 Qa4+")
  ("A16" "English: Anglo-Grünfeld" "c4 Nf6 Nc3 d5 Nf3 g6 g3")
  ("A16" "English: Anglo-Grünfeld, 3.cxd5" "c4 Nf6 Nc3 d5 cxd5")
  ("A16" "English: Anglo-Grünfeld, Smyslov Variation"
   "c4 Nf6 Nc3 d5 cxd5 Nxd5 g3 g6 Bg2 Nxc3")
  ("A16" "English: Anglo-Grünfeld, Smyslov Variation"
   "c4 Nf6 Nc3 d5 cxd5 Nxd5 g3 g6 Bg2 Nxc3 bxc3")
  ("A16" "English: Anglo-Grünfeld, Smyslov Variation"
   "c4 Nf6 Nc3 d5 cxd5 Nxd5 g3 g6 Bg2 Nxc3 bxc3 Bg7")
  ("A16" "English: Anglo-Grünfeld, Smyslov, 7.Rb1"
   "c4 Nf6 Nc3 d5 cxd5 Nxd5 g3 g6 Bg2 Nxc3 bxc3 Bg7 Rb1")
  ("A16" "English: Anglo-Grünfeld, Czech Variation"
   "c4 Nf6 Nc3 d5 cxd5 Nxd5 g3 g6 Bg2 Nb6")
  ("A16" "English: Anglo-Grünfeld, 4.Nf3" "c4 Nf6 Nc3 d5 cxd5 Nxd5 Nf3")
  ("A16" "English: Anglo-Grünfeld, 4.Nf3 g6"
   "c4 Nf6 Nc3 d5 cxd5 Nxd5 Nf3 g6")
  ("A16" "English: Anglo-Grünfeld, 4.Nf3 g6 5.g3"
   "c4 Nf6 Nc3 d5 cxd5 Nxd5 Nf3 g6 g3")
  ("A16" "English: Anglo-Grünfeld, 4.Nf3 g6 5.g3"
   "c4 Nf6 Nc3 d5 cxd5 Nxd5 Nf3 g6 g3 Bg7")
  ("A16" "English: Anglo-Grünfeld, Korchnoi Variation"
   "c4 Nf6 Nc3 d5 cxd5 Nxd5 Nf3 g6 g3 Bg7 Bg2 e5")
  ("A16" "English: Anglo-Grünfeld, Andersson-Böök Variation"
   "c4 Nf6 Nc3 d5 cxd5 Nxd5 Nf3 g6 e4")
  ("A16" "English: Anglo-Grünfeld, Andersson-Böök, Queenswap"
   "c4 Nf6 Nc3 d5 cxd5 Nxd5 Nf3 g6 e4 Nxc3 dxc3 Qxd1+ Kxd1")
  ("A16" "English: Anglo-Grünfeld, 4.Nf3 g6 5.Qa4+"
   "c4 Nf6 Nc3 d5 cxd5 Nxd5 Nf3 g6 Qa4+")
  ("A17" "English: Anglo-Indian, 2.Nc3 e6" "c4 Nf6 Nc3 e6")
  ("A17" "English: Anglo-Indian, 2.Nc3 e6 3.g3" "c4 Nf6 Nc3 e6 g3")
  ("A17" "English: Anglo-Indian, 2.Nc3 e6 3.Nf3" "c4 Nf6 Nc3 e6 Nf3")
  ("A17" "English: Anglo-Indian, 2.Nc3 e6 3.Nf3 d5" "c4 Nf6 Nc3 e6 Nf3 d5")
  ("A17" "English: Anglo-Queen's Indian" "c4 Nf6 Nc3 e6 Nf3 b6")
  ("A17" "English: Anglo-Queen's Indian, 4.e4" "c4 Nf6 Nc3 e6 Nf3 b6 e4")
  ("A17" "English: Anglo-Queen's Indian, Romanishin"
   "c4 Nf6 Nc3 e6 Nf3 b6 e4 Bb7 Bd3")
  ("A17" "English: Anglo-Queen's Indian, 4.g3" "c4 Nf6 Nc3 e6 Nf3 b6 g3")
  ("A17" "English: Anglo-Queen's Indian, 4.g3"
   "c4 Nf6 Nc3 e6 Nf3 b6 g3 Bb7 Bg2")
  ("A17" "English: Anglo-Queen's Indian, 4.g3"
   "c4 Nf6 Nc3 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O")
  ("A17" "English: Anglo-Queen's Indian, 4.g3"
   "c4 Nf6 Nc3 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Re1")
  ("A17" "English: Nimzo-English" "c4 Nf6 Nc3 e6 Nf3 Bb4")
  ("A17" "English: Nimzo-English, 4.g3" "c4 Nf6 Nc3 e6 Nf3 Bb4 g3")
  ("A17" "English: Nimzo-English, 4.Qc2" "c4 Nf6 Nc3 e6 Nf3 Bb4 Qc2")
  ("A17" "English: Nimzo-English, 4.Qc2 O-O"
   "c4 Nf6 Nc3 e6 Nf3 Bb4 Qc2 O-O")
  ("A18" "English: Mikenas" "c4 Nf6 Nc3 e6 e4")
  ("A18" "English: Mikenas, Kevitz Defence" "c4 Nf6 Nc3 e6 e4 Nc6")
  ("A18" "English: Mikenas, 3...d6" "c4 Nf6 Nc3 e6 e4 d6")
  ("A18" "English: Mikenas, 3...d6 4.d4 Be7" "c4 Nf6 Nc3 e6 e4 d6 d4 Be7")
  ("A18" "English: Mikenas, French Variation" "c4 Nf6 Nc3 e6 e4 d5")
  ("A18" "English: Mikenas, French, 4.cxd5" "c4 Nf6 Nc3 e6 e4 d5 cxd5")
  ("A18" "English: Mikenas, Flohr Variation" "c4 Nf6 Nc3 e6 e4 d5 e5")
  ("A18" "English: Mikenas, Flohr, 4...Ne4" "c4 Nf6 Nc3 e6 e4 d5 e5 Ne4")
  ("A18" "English: Mikenas, Flohr, 4...d4" "c4 Nf6 Nc3 e6 e4 d5 e5 d4")
  ("A18" "English: Mikenas, Flohr, 7.Nf3"
   "c4 Nf6 Nc3 e6 e4 d5 e5 d4 exf6 dxc3 bxc3 Qxf6 Nf3")
  ("A18" "English: Mikenas, Flohr, 7.d4"
   "c4 Nf6 Nc3 e6 e4 d5 e5 d4 exf6 dxc3 bxc3 Qxf6 d4")
  ("A18" "English: Mikenas, Flohr, 7.d4 c5"
   "c4 Nf6 Nc3 e6 e4 d5 e5 d4 exf6 dxc3 bxc3 Qxf6 d4 c5")
  ("A18" "English: Mikenas, Flohr, 7.d4 e5"
   "c4 Nf6 Nc3 e6 e4 d5 e5 d4 exf6 dxc3 bxc3 Qxf6 d4 e5")
  ("A19" "English: Mikenas, Sicilian Variation" "c4 Nf6 Nc3 e6 e4 c5")
  ("A19" "English: Mikenas, Sicilian, 4.e5" "c4 Nf6 Nc3 e6 e4 c5 e5")
  ("A19" "English: Mikenas, Sicilian, 4.e5 Ng8"
   "c4 Nf6 Nc3 e6 e4 c5 e5 Ng8")
  ("A19" "English: Mikenas, Nei Gambit" "c4 Nf6 Nc3 e6 e4 c5 e5 Ng8 d4")
  ("A19" "English: Mikenas, 5.Nf3" "c4 Nf6 Nc3 e6 e4 c5 e5 Ng8 Nf3")
  ("A19" "English: Mikenas, 5.Nf3 Nc6"
   "c4 Nf6 Nc3 e6 e4 c5 e5 Ng8 Nf3 Nc6")
  ("A19" "English: Mikenas, 5.Nf3 Nc6 6.d4"
   "c4 Nf6 Nc3 e6 e4 c5 e5 Ng8 Nf3 Nc6 d4")
  ("A19" "English: Mikenas, 6.d4 cxd4 7.Nxd4 Nxe5"
   "c4 Nf6 Nc3 e6 e4 c5 e5 Ng8 Nf3 Nc6 d4 cxd4 Nxd4 Nxe5")
  ("A20" "English: King's (1...e5)" "c4 e5")
  ("A20" "English: King's, 2.d3" "c4 e5 d3")
  ("A20" "English: King's, 2.e3" "c4 e5 e3")
  ("A20" "English: King's, 2.g3" "c4 e5 g3")
  ("A20" "English: King's, 2.g3 f5" "c4 e5 g3 f5")
  ("A20" "English: King's, 2.g3 g6" "c4 e5 g3 g6")
  ("A20" "English: King's, 2.g3 g6" "c4 e5 g3 g6 Bg2")
  ("A20" "English: King's, 2.g3 g6" "c4 e5 g3 g6 Bg2 Bg7")
  ("A20" "English: King's, 2.g3 c6" "c4 e5 g3 c6")
  ("A20" "English: King's, 2.g3 c6 3.d4" "c4 e5 g3 c6 d4")
  ("A20" "English: King's, 2.g3 d6" "c4 e5 g3 d6")
  ("A20" "English: King's, 2.g3 d6" "c4 e5 g3 d6 Bg2")
  ("A20" "English: King's, 2.g3 Nc6" "c4 e5 g3 Nc6")
  ("A20" "English: King's, 2.g3 Nc6 3.Bg2" "c4 e5 g3 Nc6 Bg2")
  ("A20" "English: King's, 2.g3 Nf6" "c4 e5 g3 Nf6")
  ("A20" "English: King's, 2.g3 Nf6 3.Bg2" "c4 e5 g3 Nf6 Bg2")
  ("A20" "English: King's, 2.g3 Nf6 3.Bg2 Bc5" "c4 e5 g3 Nf6 Bg2 Bc5")
  ("A20" "English: King's, 2.g3 Nf6 3.Bg2 Nc6" "c4 e5 g3 Nf6 Bg2 Nc6")
  ("A20" "English: King's, 2.g3 Nf6 3.Bg2 c6" "c4 e5 g3 Nf6 Bg2 c6")
  ("A20" "English: King's, 2.g3 Nf6 3.Bg2 d5" "c4 e5 g3 Nf6 Bg2 d5")
  ("A20" "English: King's, Nimzowitsch" "c4 e5 Nf3")
  ("A20" "English: King's, Nimzowitsch, 2...Nc6" "c4 e5 Nf3 Nc6")
  ("A20" "English: King's, Nimzowitsch, Flohr Variation" "c4 e5 Nf3 e4")
  ("A21" "English: King's, 2.Nc3" "c4 e5 Nc3")
  ("A21" "English: King's, 2.Nc3 f5" "c4 e5 Nc3 f5")
  ("A21" "English: King's, 2.Nc3 f5" "c4 e5 Nc3 f5 g3 Nf6")
  ("A21" "English: King's, 2.Nc3 f5" "c4 e5 Nc3 f5 g3 Nf6 Bg2")
  ("A21" "English: King's, 2.Nc3 g6" "c4 e5 Nc3 g6")
  ("A21" "English: King's, 2.Nc3 g6" "c4 e5 Nc3 g6 g3 Bg7 Bg2")
  ("A21" "English: King's, 2.Nc3 d6" "c4 e5 Nc3 d6")
  ("A21" "English: King's, Keres Variation" "c4 e5 Nc3 d6 g3 c6")
  ("A21" "English: King's, Keres Variation" "c4 e5 Nc3 d6 g3 c6 Bg2")
  ("A21" "English: King's, 2.Nc3 d6 3.d4" "c4 e5 Nc3 d6 d4")
  ("A21" "English: King's, 2.Nc3 d6 3.g3" "c4 e5 Nc3 d6 g3")
  ("A21" "English: King's, 2.Nc3 d6 3.Nf3" "c4 e5 Nc3 d6 Nf3")
  ("A21" "English: King's, 2.Nc3 d6 3.Nf3 g6" "c4 e5 Nc3 d6 Nf3 g6")
  ("A21" "English: Lukin Variation" "c4 e5 Nc3 d6 Nf3 f5")
  ("A21" "English: Lukin, 4.d4 e4" "c4 e5 Nc3 d6 Nf3 f5 d4 e4")
  ("A21" "English: Lukin, 5.Nd2" "c4 e5 Nc3 d6 Nf3 f5 d4 e4 Nd2")
  ("A21" "English: Lukin, 5.Nd2 Nf6 6.e3"
   "c4 e5 Nc3 d6 Nf3 f5 d4 e4 Nd2 Nf6 e3")
  ("A21" "English: Lukin, 5.Ng5" "c4 e5 Nc3 d6 Nf3 f5 d4 e4 Ng5")
  ("A21" "English: Lukin, 5.Ng5 Nf6" "c4 e5 Nc3 d6 Nf3 f5 d4 e4 Ng5 Nf6")
  ("A21" "English: Lukin, 5.Ng5 Be7" "c4 e5 Nc3 d6 Nf3 f5 d4 e4 Ng5 Be7")
  ("A21" "English: Lukin, 5.Ng5 c6" "c4 e5 Nc3 d6 Nf3 f5 d4 e4 Ng5 c6")
  ("A21" "English: Smyslov Defence" "c4 e5 Nc3 d6 Nf3 Bg4")
  ("A21" "English: Kramnik-Shirov Counterattack" "c4 e5 Nc3 Bb4")
  ("A21" "English: Kramnik-Shirov, 3.g3" "c4 e5 Nc3 Bb4 g3")
  ("A21" "English: Kramnik-Shirov, 3.g3 Bxc3" "c4 e5 Nc3 Bb4 g3 Bxc3")
  ("A21" "English: Kramnik-Shirov, 3.g3 Bxc3 4.bxc3"
   "c4 e5 Nc3 Bb4 g3 Bxc3 bxc3")
  ("A21" "English: Kramnik-Shirov, 3.Nd5" "c4 e5 Nc3 Bb4 Nd5")
  ("A21" "English: Kramnik-Shirov, 3.Nd5 a5" "c4 e5 Nc3 Bb4 Nd5 a5")
  ("A21" "English: Kramnik-Shirov, 3.Nd5 Ba5" "c4 e5 Nc3 Bb4 Nd5 Ba5")
  ("A21" "English: Kramnik-Shirov, 3.Nd5 Bc5" "c4 e5 Nc3 Bb4 Nd5 Bc5")
  ("A21" "English: Kramnik-Shirov, 3.Nd5 Be7" "c4 e5 Nc3 Bb4 Nd5 Be7")
  ("A21" "English: Kramnik-Shirov, 3.Nd5 Be7 4.d4"
   "c4 e5 Nc3 Bb4 Nd5 Be7 d4")
  ("A22" "English: King's, 2.Nc3 Nf6" "c4 e5 Nc3 Nf6")
  ("A22" "English: King's, 2.Nc3 Nf6 3.e4" "c4 e5 Nc3 Nf6 e4")
  ("A22" "English: King's, 2.Nc3 Nf6 3.e3" "c4 e5 Nc3 Nf6 e3")
  ("A22" "English: King's, 2.Nc3 Nf6 3.e3 Bb4" "c4 e5 Nc3 Nf6 e3 Bb4")
  ("A22" "English: King's, 2.Nc3 Nf6 3.Nf3" "c4 e5 Nc3 Nf6 Nf3")
  ("A22" "English: King's, 2.Nc3 Nf6 3.Nf3 d6" "c4 e5 Nc3 Nf6 Nf3 d6")
  ("A22" "English: King's, 2.Nc3 Nf6 3.Nf3 e4" "c4 e5 Nc3 Nf6 Nf3 e4")
  ("A22" "English: Bellon Gambit" "c4 e5 Nc3 Nf6 Nf3 e4 Ng5 b5")
  ("A22" "English: Bremen System" "c4 e5 Nc3 Nf6 g3")
  ("A22" "English: Bremen, 3...Bc5" "c4 e5 Nc3 Nf6 g3 Bc5")
  ("A22" "English: Bremen, Reverse Dragon" "c4 e5 Nc3 Nf6 g3 d5")
  ("A22" "English: Bremen, Reverse Dragon, 4.cxd5"
   "c4 e5 Nc3 Nf6 g3 d5 cxd5")
  ("A22" "English: Bremen, Reverse Dragon, 4.cxd5 Nxd5"
   "c4 e5 Nc3 Nf6 g3 d5 cxd5 Nxd5")
  ("A22" "English: Bremen, Reverse Dragon, 4.cxd5 Nxd5 5.Bg2"
   "c4 e5 Nc3 Nf6 g3 d5 cxd5 Nxd5 Bg2")
  ("A22" "English: Bremen, Reverse Dragon, 4.cxd5 Nxd5 5.Bg2 Nb6"
   "c4 e5 Nc3 Nf6 g3 d5 cxd5 Nxd5 Bg2 Nb6")
  ("A22" "English: Bremen, Smyslov System" "c4 e5 Nc3 Nf6 g3 Bb4")
  ("A22" "English: Bremen, Smyslov, 4.Bg2" "c4 e5 Nc3 Nf6 g3 Bb4 Bg2")
  ("A22" "English: Bremen, Smyslov, 4.Bg2 Bxc3"
   "c4 e5 Nc3 Nf6 g3 Bb4 Bg2 Bxc3")
  ("A22" "English: Bremen, Smyslov, 4.Bg2 O-O"
   "c4 e5 Nc3 Nf6 g3 Bb4 Bg2 O-O")
  ("A22" "English: Bremen, Smyslov, 4.Bg2 O-O 5.e4"
   "c4 e5 Nc3 Nf6 g3 Bb4 Bg2 O-O e4")
  ("A23" "English: Bremen, Keres System" "c4 e5 Nc3 Nf6 g3 c6")
  ("A23" "English: Bremen, Keres, 4.Nf3" "c4 e5 Nc3 Nf6 g3 c6 Nf3")
  ("A23" "English: Bremen, Keres, 4.Nf3 d6" "c4 e5 Nc3 Nf6 g3 c6 Nf3 d6")
  ("A23" "English: Bremen, Keres, 4.Nf3 d6"
   "c4 e5 Nc3 Nf6 g3 c6 Nf3 d6 Bg2")
  ("A23" "English: Bremen, Keres, 4.Nf3 e4" "c4 e5 Nc3 Nf6 g3 c6 Nf3 e4")
  ("A23" "English: Bremen, Keres, 4.Bg2" "c4 e5 Nc3 Nf6 g3 c6 Bg2")
  ("A23" "English: Bremen, Keres, 4.Bg2 d5" "c4 e5 Nc3 Nf6 g3 c6 Bg2 d5")
  ("A23" "English: Bremen, Keres, 4.Bg2 d5 5.cxd5"
   "c4 e5 Nc3 Nf6 g3 c6 Bg2 d5 cxd5")
  ("A23" "English: Bremen, Keres, 4.Bg2 d5 5.cxd5 cxd5"
   "c4 e5 Nc3 Nf6 g3 c6 Bg2 d5 cxd5 cxd5")
  ("A24" "English: Bremen, 3...g6" "c4 e5 Nc3 Nf6 g3 g6")
  ("A24" "English: Bremen, 3...g6" "c4 e5 Nc3 Nf6 g3 g6 Bg2")
  ("A24" "English: Bremen, 3...g6" "c4 e5 Nc3 Nf6 g3 g6 Bg2 Bg7")
  ("A24" "English: Bremen, 3...g6" "c4 e5 Nc3 Nf6 g3 g6 Bg2 Bg7 d3")
  ("A24" "English: Bremen, 3...g6" "c4 e5 Nc3 Nf6 g3 g6 Bg2 Bg7 e3")
  ("A24" "English: Bremen, 3...g6"
   "c4 e5 Nc3 Nf6 g3 g6 Bg2 Bg7 e3 d6 Nge2 O-O")
  ("A24" "English: Bremen, 3...g6" "c4 e5 Nc3 Nf6 g3 g6 Bg2 Bg7 e4")
  ("A24" "English: Bremen, 3...g6" "c4 e5 Nc3 Nf6 g3 g6 Bg2 Bg7 e4 d6")
  ("A24" "English: Bremen, 3...g6"
   "c4 e5 Nc3 Nf6 g3 g6 Bg2 Bg7 e4 d6 Nf3")
  ("A24" "English: Bremen, 3...g6"
   "c4 e5 Nc3 Nf6 g3 g6 Bg2 Bg7 e4 d6 Nge2 O-O")
  ("A24" "English: Bremen, 3...g6"
   "c4 e5 Nc3 Nf6 g3 g6 Bg2 Bg7 e4 d6 Nge2 O-O d3")
  ("A24" "English: Bremen, 3...g6" "c4 e5 Nc3 Nf6 g3 g6 Bg2 Bg7 Nf3")
  ("A24" "English: Bremen, 3...g6"
   "c4 e5 Nc3 Nf6 g3 g6 Bg2 Bg7 Nf3 d6 O-O O-O")
  ("A24" "English: Bremen, 3...g6"
   "c4 e5 Nc3 Nf6 g3 g6 Bg2 Bg7 Nf3 d6 d3 O-O O-O")
  ("A24" "English: Bremen, 3...g6"
   "c4 e5 Nc3 Nf6 g3 g6 Bg2 Bg7 Nf3 d6 d3 O-O O-O c6")
  ("A25" "English: Closed" "c4 e5 Nc3 Nc6")
  ("A25" "English: Closed" "c4 e5 Nc3 Nc6 e3")
  ("A25" "English: Closed" "c4 e5 Nc3 Nc6 e3 Nf6")
  ("A25" "English: Closed" "c4 e5 Nc3 Nc6 g3")
  ("A25" "English: Closed" "c4 e5 Nc3 Nc6 g3 f5")
  ("A25" "English: Closed" "c4 e5 Nc3 Nc6 g3 f5 Bg2")
  ("A25" "English: Closed" "c4 e5 Nc3 Nc6 g3 f5 Bg2 Nf6")
  ("A25" "English: Closed" "c4 e5 Nc3 Nc6 g3 f5 Bg2 Nf6 e3 g6")
  ("A25" "English: Closed" "c4 e5 Nc3 Nc6 g3 f5 Bg2 Nf6 d3")
  ("A25" "English: Closed" "c4 e5 Nc3 Nc6 g3 Nf6")
  ("A25" "English: Closed" "c4 e5 Nc3 Nc6 g3 Nf6 Bg2")
  ("A25" "English: Closed" "c4 e5 Nc3 Nc6 g3 Nf6 Bg2 Bc5")
  ("A25" "English: Closed" "c4 e5 Nc3 Nc6 g3 Nf6 Bg2 Bc5 e3")
  ("A25" "English: Closed" "c4 e5 Nc3 Nc6 g3 Nf6 Bg2 Bb4")
  ("A25" "English: Closed" "c4 e5 Nc3 Nc6 g3 Nf6 Bg2 Bb4 Nd5")
  ("A25" "English: Closed" "c4 e5 Nc3 Nc6 g3 d6 Bg2")
  ("A25" "English: Closed, Tröger Defence" "c4 e5 Nc3 Nc6 g3 d6 Bg2 Be6")
  ("A25" "English: Closed, Tröger, 5.d3" "c4 e5 Nc3 Nc6 g3 d6 Bg2 Be6 d3")
  ("A25" "English: Closed" "c4 e5 Nc3 Nc6 g3 g6")
  ("A25" "English: Closed" "c4 e5 Nc3 Nc6 g3 g6 Bg2")
  ("A25" "English: Closed" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7")
  ("A25" "English: Closed, 5.e3" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 e3")
  ("A25" "English: Closed, Taimanov Variation"
   "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 e3 d6 Nge2 Nh6")
  ("A25" "English: Closed, Hort Variation"
   "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 e3 d6 Nge2 Be6")
  ("A25" "English: Closed, Hort, 7.d3"
   "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 e3 d6 Nge2 Be6 d3")
  ("A25" "English: Closed, 5.Rb1" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 Rb1")
  ("A25" "English: Closed, 5.Rb1, Taimanov Variation"
   "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 Rb1 Nh6")
  ("A25" "English: Closed, 5.Rb1" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 Rb1 a5")
  ("A25" "English: Closed, 5.e4" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 e4")
  ("A25" "English: Closed, 5.d3" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3")
  ("A25" "English: Closed, 5.d3 Nge7" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 Nge7")
  ("A26" "English: Closed, 5.d3 d6" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6")
  ("A26" "English: Closed, 5.d3 d6 6.e3" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 e3")
  ("A26" "English: Closed, 5.d3 d6 6.Rb1" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Rb1")
  ("A26" "English: Closed, 5.d3 d6 6.Rb1 f5" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Rb1 f5")
  ("A26" "English: Closed, 5.d3 d6 6.Rb1 a5" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Rb1 a5")
  ("A26" "English: Closed, 5.d3 d6 6.Nf3" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Nf3")
  ("A26" "English: Closed, 5.d3 d6 6.Nf3 Nf6" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Nf3 Nf6")
  ("A26" "English: Closed, 5.d3 d6 6.Nf3 Nf6 7.O-O" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Nf3 Nf6 O-O")
  ("A26" "English: Closed, 5.d3 d6 6.Nf3 Nf6 7.O-O O-O" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Nf3 Nf6 O-O O-O")
  ("A26" "English: Closed, 5.d3 d6 6.Nf3 Nf6 7.O-O O-O 8.Rb1" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Nf3 Nf6 O-O O-O Rb1")
  ("A26" "English: Closed, 5.d3 d6 6.Nf3 Nf6 7.O-O O-O 8.Rb1 a5" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Nf3 Nf6 O-O O-O Rb1 a5")
  ("A26" "English: Closed, 5.d3 d6 6.Nf3 Nf6 7.O-O O-O 8.Rb1 a5 9.a3" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Nf3 Nf6 O-O O-O Rb1 a5 a3")
  ("A26" "English: Closed, 5.d3 d6 6.Nf3 Nf6 7.O-O O-O 8.Rb1 a5 9.a3 h6" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Nf3 Nf6 O-O O-O Rb1 a5 a3 h6")
  ("A26" "English: Botvinnik System" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 e4")
  ("A26" "English: Botvinnik System, 6...Nf6" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 e4 Nf6")
  ("A26" "English: Botvinnik System, 6...Nf6" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 e4 Nf6 Nf3")
  ("A26" "English: Botvinnik System, 6...Nf6" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 e4 Nf6 Nf3 O-O O-O")
  ("A26" "English: Botvinnik System, 6...Nf6" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 e4 Nf6 Nge2")
  ("A26" "English: Botvinnik System, 6...Nf6" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 e4 Nf6 Nge2 O-O O-O")
  ("A26" "English: Botvinnik System, 6...Nge7" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 e4 Nge7")
  ("A26" "English: Botvinnik System, 6...Nge7 7.Nge2" "c4 e5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 e4 Nge7 Nge2")
  ("A27" "English: Three Knights" "c4 e5 Nc3 Nc6 Nf3")
  ("A27" "English: Three Knights, 3...Bb4" "c4 e5 Nc3 Nc6 Nf3 Bb4")
  ("A27" "English: Three Knights, 3...d6" "c4 e5 Nc3 Nc6 Nf3 d6")
  ("A27" "English: Three Knights, 3...f5" "c4 e5 Nc3 Nc6 Nf3 f5")
  ("A27" "English: Three Knights, 3...f5 4.d4" "c4 e5 Nc3 Nc6 Nf3 f5 d4")
  ("A27" "English: Three Knights, 3...f5 4.d4 e4" "c4 e5 Nc3 Nc6 Nf3 f5 d4 e4")
  ("A27" "English: Three Knights, 3...g6" "c4 e5 Nc3 Nc6 Nf3 g6")
  ("A27" "English: Three Knights, 3...g6 4.d4" "c4 e5 Nc3 Nc6 Nf3 g6 d4")
  ("A27" "English: Three Knights, 3...g6 4.d4 exd4" "c4 e5 Nc3 Nc6 Nf3 g6 d4 exd4")
  ("A27" "English: Three Knights, 3...g6 4.d4 exd4 5.Nxd4" "c4 e5 Nc3 Nc6 Nf3 g6 d4 exd4 Nxd4")
  ("A28" "English: Four Knights" "c4 e5 Nc3 Nc6 Nf3 Nf6")
  ("A28" "English: Four Knights, Nimzowitsch Variation" "c4 e5 Nc3 Nc6 Nf3 Nf6 e4")
  ("A28" "English: Four Knights, Marini Variation" "c4 e5 Nc3 Nc6 Nf3 Nf6 a3")
  ("A28" "English: Four Knights, Capablanca Variation" "c4 e5 Nc3 Nc6 Nf3 Nf6 d3")
  ("A28" "English: Four Knights, 4.d4" "c4 e5 Nc3 Nc6 Nf3 Nf6 d4")
  ("A28" "English: Four Knights, Nenarokov Variation" "c4 e5 Nc3 Nc6 Nf3 Nf6 d4 exd4 Nxd4 Bb4 Bg5 h6 Bh4 Bxc3+ bxc3 Ne5")
  ("A28" "English: Four Knights, Bradley Beach Variation" "c4 e5 Nc3 Nc6 Nf3 Nf6 d4 e4")
  ("A28" "English: Four Knights, 4.e3" "c4 e5 Nc3 Nc6 Nf3 Nf6 e3")
  ("A28" "English: Four Knights, 4.e3 Bb4" "c4 e5 Nc3 Nc6 Nf3 Nf6 e3 Bb4")
  ("A28" "English: Four Knights, 4.e3 Bb4 5.Qc2" "c4 e5 Nc3 Nc6 Nf3 Nf6 e3 Bb4 Qc2")
  ("A28" "English: Four Knights, Stean Variation" "c4 e5 Nc3 Nc6 Nf3 Nf6 e3 Bb4 Qc2 O-O Nd5 Re8 Qf5")
  ("A28" "English: Four Knights, Romanishin Variation" "c4 e5 Nc3 Nc6 Nf3 Nf6 e3 Bb4 Qc2 Bxc3")
  ("A29" "English: Four Knights, 4.g3" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3")
  ("A29" "English: Four Knights, 4.g3 g6" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 g6")
  ("A29" "English: Four Knights, 4.g3 g6 5.d4" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 g6 d4")
  ("A29" "English: Four Knights, 4.g3 d5" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 d5")
  ("A29" "English: Four Knights, 4.g3 d5 5.cxd5" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 d5 cxd5")
  ("A29" "English: Four Knights, 4.g3 d5 5.cxd5 Nxd5" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 d5 cxd5 Nxd5")
  ("A29" "English: Four Knights, 4.g3 d5 5.cxd5 Nxd5 6.Bg2" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 d5 cxd5 Nxd5 Bg2")
  ("A29" "English: Four Knights, 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Be6" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 d5 cxd5 Nxd5 Bg2 Be6")
  ("A29" "English: Four Knights, 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 d5 cxd5 Nxd5 Bg2 Nb6")
  ("A29" "English: Four Knights, 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 d5 cxd5 Nxd5 Bg2 Nb6 O-O")
  ("A29" "English: Four Knights, 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 d5 cxd5 Nxd5 Bg2 Nb6 O-O Be7")
  ("A29" "English: Four Knights, 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.Rb1" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 d5 cxd5 Nxd5 Bg2 Nb6 O-O Be7 Rb1")
  ("A29" "English: Four Knights, 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.a3" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 d5 cxd5 Nxd5 Bg2 Nb6 O-O Be7 a3")
  ("A29" "English: Four Knights, 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.d3" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 d5 cxd5 Nxd5 Bg2 Nb6 O-O Be7 d3")
  ("A29" "English: Four Knights, 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.d3" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 d5 cxd5 Nxd5 Bg2 Nb6 O-O Be7 d3 O-O")
  ("A29" "English: Four Knights, 4.g3 Bc5" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 Bc5")
  ("A29" "English: Four Knights, 4.g3 Bc5" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 Bc5 Bg2")
  ("A29" "English: Four Knights, 4.g3 Bc5" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 Bc5 Bg2 d6 O-O")
  ("A29" "English: Four Knights, 4.g3 Bc5" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 Bc5 Bg2 d6 O-O O-O")
  ("A29" "English: Four Knights, 4.g3 Bc5" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 Bc5 Bg2 d6 O-O O-O d3")
  ("A29" "English: Four Knights, 4.g3 Bb4" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 Bb4")
  ("A29" "English: Four Knights, 4.g3 Bb4 5.Nd5" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 Bb4 Nd5")
  ("A29" "English: Four Knights, 4.g3 Bb4 5.Bg2" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 Bb4 Bg2")
  ("A29" "English: Four Knights, Main Line 6.O-O" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 Bb4 Bg2 O-O O-O")
  ("A29" "English: Four Knights, Main Line 6.O-O e4" "c4 e5 Nc3 Nc6 Nf3 Nf6 g3 Bb4 Bg2 O-O O-O e4")
  ("A30a" "English: Symmetrical" "c4 c5")
  ("A30a" "English: Symmetrical, 2.b3" "c4 c5 b3")
  ("A30a" "English: Symmetrical, 2.g3" "c4 c5 g3")
  ("A30a" "English: Symmetrical, 2.g3 g6" "c4 c5 g3 g6")
  ("A30b" "English: Symmetrical, 2.Nf3" "c4 c5 Nf3")
  ("A30b" "English: Symmetrical, 2.Nf3 b6" "c4 c5 Nf3 b6")
  ("A30b" "English: Symmetrical, 2.Nf3 b6 3.g3" "c4 c5 Nf3 b6 g3")
  ("A30b" "English: Symmetrical, 2.Nf3 b6 3.g3 Bb7 4.Bg2" "c4 c5 Nf3 b6 g3 Bb7 Bg2")
  ("A30b" "English: Symmetrical, 2.Nf3 g6" "c4 c5 Nf3 g6")
  ("A30b" "English: Symmetrical, 2.Nf3 Nc6" "c4 c5 Nf3 Nc6")
  ("A30c" "English: Symmetrical, 2.Nf3 Nf6" "c4 c5 Nf3 Nf6")
  ("A30d" "English: Symmetrical, 2.Nf3 Nf6 3.g3" "c4 c5 Nf3 Nf6 g3")
  ("A30e" "English: Symmetrical, b6 System" "c4 c5 Nf3 Nf6 g3 b6")
  ("A30e" "English: Symmetrical, b6 System" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7")
  ("A30e" "English: Symmetrical, b6 System" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 Nc3")
  ("A30e" "English: Symmetrical, b6 System" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O")
  ("A30f" "English: Symmetrical, Double Fianchetto" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O g6")
  ("A30f" "English: Symmetrical, Double Fianchetto" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O g6 Nc3 Bg7")
  ("A30g" "English: Symmetrical, Mutual Double Fianchetto" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O g6 b3")
  ("A30g" "English: Symmetrical, Mutual Double Fianchetto" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O g6 b3 Bg7 Bb2 O-O")
  ("A30g" "English: Symmetrical, Mutual Double Fianchetto" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O g6 b3 Bg7 Bb2 O-O Nc3")
  ("A30g" "English: Symmetrical, Mutual Double Fianchetto with ...d5" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O g6 b3 Bg7 Bb2 O-O Nc3 d5")
  ("A30h" "English: Symmetrical, Hedgehog System" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6")
  ("A30h" "English: Symmetrical, Hedgehog System" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3")
  ("A30i" "English: Symmetrical, Hedgehog, 6...a6" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 a6")
  ("A30j" "English: Symmetrical, Hedgehog, 6...d6" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 d6")
  ("A30k" "English: Symmetrical, Hedgehog, 6...d6 7.b3" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 d6 b3")
  ("A30l" "English: Symmetrical, Hedgehog, 6...d6 7.d4" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 d6 d4")
  ("A30m" "English: Symmetrical, Hedgehog System" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 Be7")
  ("A30n" "English: Symmetrical, Hedgehog, 7.Re1" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 Be7 Re1")
  ("A30o" "English: Symmetrical, Hedgehog, 7.Re1 d5" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 Be7 Re1 d5")
  ("A30p" "English: Symmetrical, Hedgehog, 7.b3" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 Be7 b3")
  ("A30p" "English: Symmetrical, Hedgehog, 7.b3" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 Be7 b3 O-O")
  ("A30p" "English: Symmetrical, Hedgehog, 7.b3" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 Be7 b3 O-O Bb2 d6")
  ("A30q" "English: Symmetrical, Hedgehog, 7.d4" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 Be7 d4")
  ("A30r" "English: Symmetrical, Hedgehog, 8.Qxd4" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 Be7 d4 cxd4 Qxd4")
  ("A30s" "English: Symmetrical, Hedgehog, 8.Qxd4 O-O" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 Be7 d4 cxd4 Qxd4 O-O")
  ("A30s" "English: Symmetrical, Hedgehog, 8.Qxd4 O-O" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 Be7 d4 cxd4 Qxd4 O-O Rd1 Nc6")
  ("A30t" "English: Symmetrical, Hedgehog, 8.Qxd4 Nc6" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 Be7 d4 cxd4 Qxd4 Nc6")
  ("A30u" "English: Symmetrical, Hedgehog, 8.Qxd4 d6" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 Be7 d4 cxd4 Qxd4 d6")
  ("A30v" "English: Symmetrical, Hedgehog, 9.b3" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 Be7 d4 cxd4 Qxd4 d6 b3")
  ("A30v" "English: Symmetrical, Hedgehog, 9.b3 Nbd7" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 Be7 d4 cxd4 Qxd4 d6 b3 Nbd7")
  ("A30v" "English: Symmetrical, Hedgehog, 9.b3 Nbd7 10.Nb5" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 Be7 d4 cxd4 Qxd4 d6 b3 Nbd7 Nb5")
  ("A30w" "English: Symmetrical, Hedgehog, 9.Rd1" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 Be7 d4 cxd4 Qxd4 d6 Rd1")
  ("A30x" "English: Symmetrical, Hedgehog, Flexible Formation" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 Be7 d4 cxd4 Qxd4 d6 Rd1 a6 b3 Nbd7")
  ("A30y" "English: Symmetrical, Hedgehog, Flexible Formation" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 Be7 d4 cxd4 Qxd4 d6 Rd1 a6 b3 Nbd7 e4")
  ("A30y" "English: Symmetrical, Hedgehog, Flexible Formation, 11.e4 Qc7" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 Be7 d4 cxd4 Qxd4 d6 Rd1 a6 b3 Nbd7 e4 Qc7")
  ("A30y" "English: Symmetrical, Hedgehog, Flexible Formation, 11.e4 O-O" "c4 c5 Nf3 Nf6 g3 b6 Bg2 Bb7 O-O e6 Nc3 Be7 d4 cxd4 Qxd4 d6 Rd1 a6 b3 Nbd7 e4 O-O")
  ("A31" "English: Symmetrical, Two Knights" "c4 c5 Nf3 Nf6 d4")
  ("A31" "English: Symmetrical, Two Knights, 3...a6" "c4 c5 Nf3 Nf6 d4 a6")
  ("A31" "English: Symmetrical, Two Knights, 3...g6" "c4 c5 Nf3 Nf6 d4 g6")
  ("A31" "English: Symmetrical, Two Knights, 3...g6" "c4 c5 Nf3 Nf6 d4 g6 d5")
  ("A31" "English: Symmetrical, Two Knights, 3...g6" "c4 c5 Nf3 Nf6 d4 g6 Nc3")
  ("A31" "English: Symmetrical, Two Knights" "c4 c5 Nf3 Nf6 d4 cxd4")
  ("A31" "English: Symmetrical, Two Knights" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4")
  ("A31" "English: Symmetrical, Two Knights, 4...b6" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 b6")
  ("A31" "English: Symmetrical, Two Knights, 4...b6" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 b6 Nc3 Bb7")
  ("A31" "English: Symmetrical, Two Knights, 4...g6" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 g6")
  ("A31" "English: Symmetrical, Two Knights, 4...g6" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 g6 Nc3")
  ("A31" "English: Symmetrical, Two Knights, 4...g6" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 g6 Nc3 Bg7")
  ("A31" "English: Symmetrical, Two Knights, 4...g6" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 g6 Nc3 Bg7 e4")
  ("A31" "English: Symmetrical, Two Knights, 4...Nc6" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 Nc6")
  ("A31" "English: Symmetrical, Two Knights, 4...Nc6" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 Nc6 Nc3")
  ("A31" "English: Symmetrical, Two Knights, 4...Nc6" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 Nc6 Nc3 g6")
  ("A31" "English: Symmetrical, Two Knights, 4...e5" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e5")
  ("A31" "English: Symmetrical, Two Knights, 4...e5 5.Nb5" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e5 Nb5")
  ("A32" "English: Symmetrical, Two Knights, 4...e6" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6")
  ("A32" "English: Symmetrical, Two Knights, 5.e3" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 e3")
  ("A32" "English: Symmetrical, Two Knights, 5.g3" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 g3")
  ("A32" "English: Symmetrical, Two Knights, 5.g3 a6" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 g3 a6")
  ("A32" "English: Symmetrical, Two Knights, 5.g3 a6" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 g3 a6 Bg2")
  ("A32" "English: Symmetrical, Two Knights, 5.g3 Qb6" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 g3 Qb6")
  ("A32" "English: Symmetrical, Two Knights, 5.g3 Qb6" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 g3 Qb6 Bg2")
  ("A32" "English: Symmetrical, Two Knights, 5.g3 Qc7" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 g3 Qc7")
  ("A32" "English: Symmetrical, Two Knights, 5.g3 Nc6" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 g3 Nc6")
  ("A32" "English: Symmetrical, Two Knights, 5.g3 Nc6" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 g3 Nc6 Bg2")
  ("A32" "English: Symmetrical, Two Knights, 5.g3 Bb4+" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 g3 Bb4+")
  ("A32" "English: Symmetrical, Two Knights, 5.g3 d5" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 g3 d5")
  ("A32" "English: Symmetrical, Two Knights, 5.g3 d5 6.Bg2" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 g3 d5 Bg2")
  ("A32" "English: Symmetrical, Two Knights, 5.g3 d5 6.Bg2 e5 7.Nf3" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 g3 d5 Bg2 e5 Nf3")
  ("A32" "English: Symmetrical, Two Knights, 5.Nc3" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3")
  ("A32" "English: Symmetrical, Two Knights, 5.Nc3 d5" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 d5")
  ("A32" "English: Symmetrical, Two Knights, 5.Nc3 a6" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 a6")
  ("A32" "English: Symmetrical, Two Knights, 5.Nc3 a6 6.g3" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 a6 g3")
  ("A32" "English: Symmetrical, Two Knights, 5.Nc3 Bb4" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Bb4")
  ("A32" "English: Symmetrical, Two Knights, 5.Nc3 Bb4 6.Qb3" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Bb4 Qb3")
  ("A32" "English: Symmetrical, Two Knights, 5.Nc3 Bb4 6.Nb5" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Bb4 Nb5")
  ("A32" "English: Symmetrical, Two Knights, 5.Nc3 Bb4 6.Bd2" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Bb4 Bd2")
  ("A32" "English: Symmetrical, Two Knights, 5.Nc3 Bb4 6.Bd2 Nc6" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Bb4 Bd2 Nc6")
  ("A33a" "English: Symmetrical, Two Knights, 5.Nc3 Nc6" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Nc6")
  ("A33b" "English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.Bf4" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Nc6 Bf4")
  ("A33c" "English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.Bg5" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Nc6 Bg5")
  ("A33d" "English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.e3" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Nc6 e3")
  ("A33e" "English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.a3" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Nc6 a3")
  ("A33f" "English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.a3 Bc5" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Nc6 a3 Bc5")
  ("A33g" "English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.Ndb5" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Nc6 Ndb5")
  ("A33h" "English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.Ndb5 Bb4" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Nc6 Ndb5 Bb4")
  ("A33i" "English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.Ndb5 d5" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Nc6 Ndb5 d5")
  ("A33j" "English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.Ndb5 d5 Queenswap" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Nc6 Ndb5 d5 Bf4 e5 cxd5 exf4 dxc6 bxc6 Qxd8+ Kxd8")
  ("A33k" "English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.g3" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Nc6 g3")
  ("A33l" "English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.g3 a6" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Nc6 g3 a6")
  ("A33m" "English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.g3 Bb4" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Nc6 g3 Bb4")
  ("A33n" "English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.g3 Bc5" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Nc6 g3 Bc5")
  ("A33o" "English: Symmetrical, Geller Variation" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Nc6 g3 Qb6")
  ("A33p" "English: Symmetrical, Geller, 7.Nb3"
   "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Nc6 g3 Qb6 Nb3")
  ("A33q" "English: Symmetrical, Geller, 7.Nb3 Ne5" "c4 c5 Nf3 Nf6 d4 cxd4 Nxd4 e6 Nc3 Nc6 g3 Qb6 Nb3 Ne5")
  ("A34" "English: Symmetrical" "c4 c5 Nc3")
  ("A34" "English: Symmetrical, 2...b6" "c4 c5 Nc3 b6")
  ("A34" "English: Symmetrical, 2...b6" "c4 c5 Nc3 b6 Nf3")
  ("A34" "English: Symmetrical, 2...b6" "c4 c5 Nc3 b6 Nf3 Bb7")
  ("A34" "English: Symmetrical, 2...g6" "c4 c5 Nc3 g6")
  ("A34" "English: Symmetrical, 2...g6" "c4 c5 Nc3 g6 Nf3")
  ("A34" "English: Symmetrical, 2...g6" "c4 c5 Nc3 g6 g3")
  ("A34" "English: Symmetrical, 2...g6" "c4 c5 Nc3 g6 g3 Bg7 Bg2")
  ("A34" "English: Symmetrical, 2...Nf6" "c4 c5 Nc3 Nf6")
  ("A34" "English: Symmetrical, 2...Nf6" "c4 c5 Nc3 Nf6 g3 d5")
  ("A34" "English: Symmetrical, 2...Nf6 3.g3" "c4 c5 Nc3 Nf6 g3")
  ("A34" "English: Symmetrical, 2...Nf6 3.g3" "c4 c5 Nc3 Nf6 g3 d5 cxd5 Nxd5 Bg2")
  ("A34" "English: Symmetrical, Rubinstein System" "c4 c5 Nc3 Nf6 g3 d5 cxd5 Nxd5 Bg2 Nc7")
  ("A34" "English: Symmetrical, 3 Knights" "c4 c5 Nc3 Nf6 Nf3")
  ("A34" "English: Symmetrical, 3 Knights, 3...b6" "c4 c5 Nc3 Nf6 Nf3 b6")
  ("A34" "English: Symmetrical, 3 Knights, 3...e6" "c4 c5 Nc3 Nf6 Nf3 e6")
  ("A34" "English: Symmetrical, 3 Knights, 3...e6 4.g3" "c4 c5 Nc3 Nf6 Nf3 e6 g3")
  ("A34" "English: Symmetrical, 3 Knights, 3...g6" "c4 c5 Nc3 Nf6 Nf3 g6")
  ("A34" "English: Symmetrical, 3 Knights" "c4 c5 Nc3 Nf6 Nf3 d5")
  ("A34" "English: Symmetrical, 3 Knights, Exchange" "c4 c5 Nc3 Nf6 Nf3 d5 cxd5 Nxd5")
  ("A34" "English: Symmetrical, 3 Knights, 5.g3" "c4 c5 Nc3 Nf6 Nf3 d5 cxd5 Nxd5 g3")
  ("A34" "English: Symmetrical, 3 Knights, 5.e4" "c4 c5 Nc3 Nf6 Nf3 d5 cxd5 Nxd5 e4")
  ("A34" "English: Symmetrical, 3 Knights, 5.e4 Nxc3" "c4 c5 Nc3 Nf6 Nf3 d5 cxd5 Nxd5 e4 Nxc3")
  ("A34" "English: Symmetrical, 3 Knights, Queenswap" "c4 c5 Nc3 Nf6 Nf3 d5 cxd5 Nxd5 e4 Nxc3 dxc3 Qxd1+ Kxd1")
  ("A34" "English: Symmetrical, 3 Knights, 5.e4 Nb4" "c4 c5 Nc3 Nf6 Nf3 d5 cxd5 Nxd5 e4 Nb4")
  ("A34" "English: Symmetrical, 3 Knights, 5.e4 Nb4 6.Bb5+" "c4 c5 Nc3 Nf6 Nf3 d5 cxd5 Nxd5 e4 Nb4 Bb5+")
  ("A34" "English: Symmetrical, 3 Knights, 5.e4 Nb4 6.Bc4" "c4 c5 Nc3 Nf6 Nf3 d5 cxd5 Nxd5 e4 Nb4 Bc4")
  ("A34" "English: Symmetrical, 3 Knights, 5.d4" "c4 c5 Nc3 Nf6 Nf3 d5 cxd5 Nxd5 d4")
  ("A34" "English: Symmetrical, 3 Knights, 5.d4 cxd4" "c4 c5 Nc3 Nf6 Nf3 d5 cxd5 Nxd5 d4 cxd4")
  ("A34" "English: Symmetrical, 3 Knights, 5.d4 Nxc3" "c4 c5 Nc3 Nf6 Nf3 d5 cxd5 Nxd5 d4 Nxc3")
  ("A35a" "English: Symmetrical" "c4 c5 Nc3 Nc6")
  ("A35b" "English: Symmetrical, 2.Nc3 Nc6 3.e3" "c4 c5 Nc3 Nc6 e3")
  ("A35c" "English: Symmetrical, 2.Nc3 Nc6 3.Nf3" "c4 c5 Nc3 Nc6 Nf3")
  ("A35d" "English: Symmetrical, 2.Nc3 Nc6 3.Nf3 g6" "c4 c5 Nc3 Nc6 Nf3 g6")
  ("A35e" "English: Symmetrical, 2.Nc3 Nc6 3.Nf3 g6 4.e3" "c4 c5 Nc3 Nc6 Nf3 g6 e3")
  ("A35f" "English: Symmetrical, 2.Nc3 Nc6 3.Nf3 g6 4.e3 Bg7" "c4 c5 Nc3 Nc6 Nf3 g6 e3 Bg7")
  ("A35g" "English: Symmetrical, Four Knights" "c4 c5 Nc3 Nc6 Nf3 Nf6")
  ("A35g" "English: Symmetrical, Four Knights, 4.d4" "c4 c5 Nc3 Nc6 Nf3 Nf6 d4")
  ("A35h" "English: Symmetrical, Four Knights, 4.e3" "c4 c5 Nc3 Nc6 Nf3 Nf6 e3")
  ("A35i" "English: Symmetrical, Four Knights, 4.e3 e5" "c4 c5 Nc3 Nc6 Nf3 Nf6 e3 e5")
  ("A35j" "English: Symmetrical, Four Knights, 4.g3" "c4 c5 Nc3 Nc6 Nf3 Nf6 g3")
  ("A35k" "English: Symmetrical, Four Knights, 4.g3 d5" "c4 c5 Nc3 Nc6 Nf3 Nf6 g3 d5")
  ("A35l" "English: Symmetrical, Four Knights, 4.g3 d5 5.cxd5" "c4 c5 Nc3 Nc6 Nf3 Nf6 g3 d5 cxd5")
  ("A36a" "English: Symmetrical, 3.g3" "c4 c5 Nc3 Nc6 g3")
  ("A36b" "English: Symmetrical, 3.g3 Nf6" "c4 c5 Nc3 Nc6 g3 Nf6")
  ("A36c" "English: Symmetrical, 3.g3 e6" "c4 c5 Nc3 Nc6 g3 e6")
  ("A36c" "English: Symmetrical, 3.g3 e6 4.Nf3" "c4 c5 Nc3 Nc6 g3 e6 Nf3")
  ("A36c" "English: Symmetrical, Keres-Parma System" "c4 c5 Nc3 Nc6 g3 e6 Nf3 Nf6")
  ("A36d" "English: Symmetrical, Keres-Parma, Main Line Exchange" "c4 c5 Nc3 Nc6 g3 e6 Nf3 Nf6 Bg2 Be7 O-O d5 cxd5 Nxd5")
  ("A36e" "English: Symmetrical, 3.g3 g6" "c4 c5 Nc3 Nc6 g3 g6")
  ("A36e" "English: Symmetrical, 3.g3 g6" "c4 c5 Nc3 Nc6 g3 g6 Bg2")
  ("A36e" "English: Symmetrical, 3.g3 g6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7")
  ("A36f" "English: Symmetrical, 5.d3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3")
  ("A36g" "English: Symmetrical, 5.a3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 a3")
  ("A36h" "English: Symmetrical, 5.a3 e6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 a3 e6")
  ("A36i" "English: Symmetrical, 5.a3 d6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 a3 d6")
  ("A36j" "English: Symmetrical, 5.b3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 b3")
  ("A36k" "English: Symmetrical, 5.e3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e3")
  ("A36l" "English: Symmetrical, 5.e3 e5 (Botvinnik Reversed)" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e3 e5")
  ("A36m" "English: Symmetrical, 5.e3 e6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e3 e6")
  ("A36m" "English: Symmetrical, 5.e3 e6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e3 e6 Nge2")
  ("A36m" "English: Symmetrical, 5.e3 e6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e3 e6 Nge2 Nge7")
  ("A36n" "English: Symmetrical, Botvinnik System" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e4")
  ("A36o" "English: Symmetrical, Botvinnik, 5...Nf6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e4 Nf6")
  ("A36o" "English: Symmetrical, Botvinnik, 5...Nf6 6.Nge2" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e4 Nf6 Nge2")
  ("A36p" "English: Symmetrical, Botvinnik, 5...e6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e4 e6")
  ("A36p" "English: Symmetrical, Botvinnik, 5...e6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e4 e6 Nge2 Nge7")
  ("A36q" "English: Symmetrical, Botvinnik, 5...e6, 8.d3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e4 e6 Nge2 Nge7 O-O O-O d3")
  ("A36r" "English: Symmetrical, Botvinnik, 5...e6, 8.d3 d6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e4 e6 Nge2 Nge7 O-O O-O d3 d6")
  ("A36s" "English: Symmetrical, Botvinnik, 5...d6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e4 d6")
  ("A36t" "English: Symmetrical, Botvinnik, 5...d6 6.Nge2" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e4 d6 Nge2")
  ("A36u" "English: Symmetrical, Botvinnik, 5...d6 6.Nge2 Nf6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e4 d6 Nge2 Nf6")
  ("A36v" "English: Symmetrical, Botvinnik System, 5...d6, 7.O-O O-O" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e4 d6 Nge2 Nf6 O-O O-O")
  ("A36w" "English: Symmetrical, Botvinnik System, 5...d6, 8.d3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e4 d6 Nge2 Nf6 O-O O-O d3")
  ("A36x" "English: Symmetrical, Botvinnik System, 5...d6, 8.d3 Rb8" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e4 d6 Nge2 Nf6 O-O O-O d3 Rb8")
  ("A36y" "English: Symmetrical, Botvinnik System, 5...d6, 8.d3 Ne8" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e4 d6 Nge2 Nf6 O-O O-O d3 Ne8")
  ("A36z" "English: Symmetrical, Botvinnik System, 5...d6, 8.d3 a6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 e4 d6 Nge2 Nf6 O-O O-O d3 a6")
  ("A37a" "English: Symmetrical, 5.Nf3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3")
  ("A37b" "English: Symmetrical, 5.Nf3 a6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 a6")
  ("A37c" "English: Symmetrical, 5.Nf3 Nh6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nh6")
  ("A37d" "English: Symmetrical, 5.Nf3 Nh6 6.O-O" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nh6 O-O")
  ("A37e" "English: Symmetrical, 5.Nf3 d6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 d6")
  ("A37f" "English: Symmetrical, 5.Nf3 d6 6.d3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 d6 d3")
  ("A37g" "English: Symmetrical, 5.Nf3 d6 6.O-O" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 d6 O-O")
  ("A37h" "English: Symmetrical, 5.Nf3 d6 6.O-O Nh6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 d6 O-O Nh6")
  ("A37i" "English: Symmetrical, 5.Nf3 e6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e6")
  ("A37j" "English: Symmetrical, 5.Nf3 e6 6.d3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e6 d3")
  ("A37k" "English: Symmetrical, 5.Nf3 e6 6.e3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e6 e3")
  ("A37l" "English: Symmetrical, 5.Nf3 e6 6.O-O" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e6 O-O")
  ("A37l" "English: Symmetrical, 5.Nf3 e6 6.O-O Nge7" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e6 O-O Nge7")
  ("A37m" "English: Symmetrical, 5.Nf3 e6 6.O-O Nge7 7.e3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e6 O-O Nge7 e3")
  ("A37n" "English: Symmetrical, 5.Nf3 e6 6.O-O Nge7 7.d3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e6 O-O Nge7 d3")
  ("A37o" "English: Symmetrical, 5.Nf3 e6 6.O-O Nge7 7.d3 O-O" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e6 O-O Nge7 d3 O-O")
  ("A37p" "English: Symmetrical, 5.Nf3 e6 6.O-O Nge7 7.d3 O-O 8.Bd2" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e6 O-O Nge7 d3 O-O Bd2")
  ("A37q" "English: Symmetrical, 5.Nf3 e5" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e5")
  ("A37r" "English: Symmetrical, 5.Nf3 e5 6.a3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e5 a3")
  ("A37s" "English: Symmetrical, 5.Nf3 e5 6.d3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e5 d3")
  ("A37t" "English: Symmetrical, 5.Nf3 e5 6.d3 Nge7" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e5 d3 Nge7")
  ("A37u" "English: Symmetrical, 5.Nf3 e5 6.O-O" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e5 O-O")
  ("A37u" "English: Symmetrical, 5.Nf3 e5 6.O-O d6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e5 O-O d6")
  ("A37v" "English: Symmetrical, 5.Nf3 e5 6.O-O d6 7.d3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e5 O-O d6 d3")
  ("A37v" "English: Symmetrical, 5.Nf3 e5 6.O-O d6 7.d3 Nge7" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e5 O-O d6 d3 Nge7")
  ("A37w" "English: Symmetrical, 5.Nf3 e5 6.O-O d6 7.d3 Nge7 8.a3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e5 O-O d6 d3 Nge7 a3")
  ("A37x" "English: Symmetrical, 5.Nf3 e5 6.O-O Nge7" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e5 O-O Nge7")
  ("A37y" "English: Symmetrical, 5.Nf3 e5 6.O-O Nge7 7.d3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e5 O-O Nge7 d3")
  ("A37y" "English: Symmetrical, 5.Nf3 e5 6.O-O Nge7 7.d3 O-O" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e5 O-O Nge7 d3 O-O")
  ("A37y" "English: Symmetrical, 5.Nf3 e5 6.O-O Nge7 7.d3 O-O 8.a3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 e5 O-O Nge7 d3 O-O a3")
  ("A38a" "English: Symmetrical, Main Line" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6")
  ("A38b" "English: Symmetrical, Main Line, 6.d4" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 d4")
  ("A38c" "English: Symmetrical, Main Line, 6.O-O" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O")
  ("A38d" "English: Symmetrical, Main Line, 6.O-O d5" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O d5")
  ("A38e" "English: Symmetrical, Main Line, 6.O-O d6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O d6")
  ("A38f" "English: Symmetrical, Main Line, 6.O-O O-O" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O")
  ("A38g" "English: Symmetrical, Main Line, 7.Rb1" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O Rb1")
  ("A38h" "English: Symmetrical, Main Line, 7.b3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O b3")
  ("A38i" "English: Symmetrical, Main Line, 7.a3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O a3")
  ("A38j" "English: Symmetrical, Main Line, 7.a3 d6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O a3 d6")
  ("A38k" "English: Symmetrical, Main Line, 7.d3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d3")
  ("A38l" "English: Symmetrical, Main Line, 7.d3 a6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d3 a6")
  ("A38m" "English: Symmetrical, Main Line, 7.d3 d5" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d3 d5")
  ("A38n" "English: Symmetrical, Main Line, 7.d3 d6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d3 d6")
  ("A38o" "English: Symmetrical, Main Line, 7.d3 d6 8.Rb1" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d3 d6 Rb1")
  ("A38p" "English: Symmetrical, Main Line, 7.d3 d6 8.Bd2" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d3 d6 Bd2")
  ("A38q" "English: Symmetrical, Main Line, 7.d3 d6 8.a3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d3 d6 a3")
  ("A38r" "English: Symmetrical, Main Line, 7.d3 d6 8.a3 a6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d3 d6 a3 a6")
  ("A39a" "English: Symmetrical, Main Line 7.d4" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d4")
  ("A39b" "English: Symmetrical, Main Line 7.d4" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d4 cxd4")
  ("A39c" "English: Symmetrical, Main Line 7.d4" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d4 cxd4 Nxd4")
  ("A39d" "English: Symmetrical, Main Line 7.d4, 8...Qa5" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d4 cxd4 Nxd4 Qa5")
  ("A39e" "English: Symmetrical, Main Line 7.d4, 8...Qb6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d4 cxd4 Nxd4 Qb6")
  ("A39e" "English: Symmetrical, Main Line 7.d4, 8...Qb6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d4 cxd4 Nxd4 Qb6 Nc2")
  ("A39f" "English: Symmetrical, Main Line 7.d4, 8...a6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d4 cxd4 Nxd4 a6")
  ("A39g" "English: Symmetrical, Main Line 7.d4, 8...d6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d4 cxd4 Nxd4 d6")
  ("A39h" "English: Symmetrical, Main Line 7.d4, 8...Ng4" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d4 cxd4 Nxd4 Ng4")
  ("A39i" "English: Symmetrical, Main Line 7.d4, 8...Ng4 9.e3 d6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d4 cxd4 Nxd4 Ng4 e3 d6")
  ("A39j" "English: Symmetrical, Main Line 7.d4, 8...Nxd4" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d4 cxd4 Nxd4 Nxd4")
  ("A39j" "English: Symmetrical, Main Line 7.d4, 9.Qxd4" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d4 cxd4 Nxd4 Nxd4 Qxd4")
  ("A39k" "English: Symmetrical, Main Line 7.d4, 9...d6" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d4 cxd4 Nxd4 Nxd4 Qxd4 d6")
  ("A39l" "English: Symmetrical, Main Line 7.d4, 10.Qd2" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d4 cxd4 Nxd4 Nxd4 Qxd4 d6 Qd2")
  ("A39m" "English: Symmetrical, Main Line 7.d4, 10.Qd3" "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d4 cxd4 Nxd4 Nxd4 Qxd4 d6 Qd3")
  ("A39n" "English: Symmetrical, Main Line 7.d4, 10.Qd3 Bf5"
   "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d4 cxd4 Nxd4 Nxd4 Qxd4 d6 Qd3 Bf5")
  ("A39o" "English: Symmetrical, Main Line 7.d4, 10.Qd3 Rb8"
   "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d4 cxd4 Nxd4 Nxd4 Qxd4 d6 Qd3 Rb8")
  ("A39p" "English: Symmetrical, Main Line 7.d4, 10.Qd3 a6"
   "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d4 cxd4 Nxd4 Nxd4 Qxd4 d6 Qd3 a6")
  ("A39q" "English: Symmetrical, Main Line 7.d4, 10.Qd3 a6 11.Bd2"
   "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d4 cxd4 Nxd4 Nxd4 Qxd4 d6 Qd3 a6 Bd2")
  ("A39q" "English: Symmetrical, Main Line 7.d4, 10.Qd3 a6 11.Bd2 Rb8"
   "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d4 cxd4 Nxd4 Nxd4 Qxd4 d6 Qd3 a6 Bd2 Rb8")
  ("A39r" "English: Symmetrical, Main Line 7.d4, 10.Qd3 a6 11.Bd2 Rb8 12.Rac1"
   "c4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nf3 Nf6 O-O O-O d4 cxd4 Nxd4 Nxd4 Qxd4 d6 Qd3 a6 Bd2 Rb8 Rac1")
  ("A40a" "Queen's Pawn Game" "d4")
  ("A40b" "Queen's Pawn: 1...c6" "d4 c6")
  ("A40b" "Queen's Pawn: 1...c6 2.Nf3" "d4 c6 Nf3")
  ("A40b" "Queen's Pawn: 1...c6 2.c4" "d4 c6 c4")
  ("A40b" "Queen's Pawn: Jadoul" "d4 c6 c4 b5")
  ("A40c" "Queen's Pawn: Polish Defence" "d4 b5")
  ("A40c" "Queen's Pawn: Polish Defence" "d4 b5 e4")
  ("A40c" "Queen's Pawn: Polish Defence" "d4 b5 e4 Bb7")
  ("A40c" "Queen's Pawn: Polish Defence, Spassky Gambit" "d4 b5 e4 Bb7 Bxb5")
  ("A40d" "Queen's Pawn: English Defence" "d4 b6")
  ("A40d" "Queen's Pawn: English Defence, 2.c4" "d4 b6 c4")
  ("A40d" "Queen's Pawn: English Defence, 2.c4 Bb7" "d4 b6 c4 Bb7")
  ("A40e" "Queen's Pawn: English Defence, 2.c4 e6" "d4 b6 c4 e6")
  ("A40f" "Queen's Pawn: English Defence, 3.a3" "d4 b6 c4 e6 a3")
  ("A40g" "Queen's Pawn: English Defence, 3.e4" "d4 b6 c4 e6 e4")
  ("A40g" "Queen's Pawn: English Defence, Polli Gambit" "d4 b6 c4 e6 e4 Bb7 f3 f5")
  ("A40g" "Queen's Pawn: English Defence, Hartlaub Gambit" "d4 b6 c4 Bb7 Nc3 e6 e4 f5")
  ("A40h" "Queen's Pawn: English Defence, 3.Nc3" "d4 b6 c4 e6 Nc3")
  ("A40i" "Englund Gambit" "d4 e5")
  ("A40i" "Englund Gambit Accepted" "d4 e5 dxe5")
  ("A40i" "Englund Gambit: Soller" "d4 e5 dxe5 f6")
  ("A40i" "Englund Gambit: Hartlaub" "d4 e5 dxe5 d6")
  ("A40i" "Englund Gambit: 2.dxe5 Nc6" "d4 e5 dxe5 Nc6")
  ("A40i" "Englund Gambit: 2.dxe5 Nc6 3.Nf3" "d4 e5 dxe5 Nc6 Nf3")
  ("A40i" "Englund Gambit: Soller Deferred" "d4 e5 dxe5 Nc6 Nf3 f6")
  ("A40i" "Englund Gambit: Zilbermints" "d4 e5 dxe5 Nc6 Nf3 Nge7")
  ("A40i" "Englund Gambit: 2.dxe5 Nc6 3.Nf3 Qe7" "d4 e5 dxe5 Nc6 Nf3 Qe7")
  ("A40j" "Queen's Pawn: Bogoljubow-Miles Defence" "d4 Nc6")
  ("A40j" "Queen's Pawn: Bogoljubow-Miles, 2.Bg5" "d4 Nc6 Bg5")
  ("A40j" "Queen's Pawn: Bogoljubow-Miles, 2.d5" "d4 Nc6 d5")
  ("A40k" "Queen's Pawn: Bogoljubow-Miles, 2.c4" "d4 Nc6 c4")
  ("A40k" "Queen's Pawn: Bogoljubow-Miles, Pozarek Gambit" "d4 Nc6 c4 e5 dxe5 Nxe5 Nc3 Nxc4")
  ("A40l" "Queen's Pawn: Bogoljubow-Miles, 2.Nf3" "d4 Nc6 Nf3")
  ("A40m" "Queen's Pawn: 1...e6" "d4 e6")
  ("A40n" "Queen's Pawn: 1...e6 2.Nf3" "d4 e6 Nf3")
  ("A40n" "Queen's Pawn: 1...e6 2.Nf3 c5" "d4 e6 Nf3 c5")
  ("A40o" "Queen's Pawn: 1...e6 2.c4" "d4 e6 c4")
  ("A40p" "Queen's Pawn: Keres Defence" "d4 e6 c4 Bb4+")
  ("A40q" "Queen's Pawn: Keres Defence, 3.Bd2" "d4 e6 c4 Bb4+ Bd2")
  ("A40q" "Queen's Pawn: Keres Defence, 3.Bd2 Bxd2+" "d4 e6 c4 Bb4+ Bd2 Bxd2+")
  ("A40q" "Queen's Pawn: Keres Defence, Kangaroo Variation" "d4 e6 c4 Bb4+ Bd2 Bxd2+ Qxd2 b6 Nc3 Bb7 e4 Nh6")
  ("A40r" "Queen's Pawn: Keres Defence, 3.Bd2 a5" "d4 e6 c4 Bb4+ Bd2 a5")
  ("A40s" "Queen's Pawn: Modern" "d4 g6")
  ("A40t" "Queen's Pawn: Modern" "d4 g6 Nf3")
  ("A40u" "Queen's Pawn: Modern" "d4 g6 c4")
  ("A40u" "Queen's Pawn: Modern" "d4 g6 c4 Bg7")
  ("A40v" "Queen's Pawn: Modern" "d4 g6 c4 Bg7 e4")
  ("A40w" "Queen's Pawn: Modern" "d4 g6 c4 Bg7 Nf3")
  ("A40w" "Queen's Pawn: Modern" "d4 g6 c4 Bg7 Nf3 c5")
  ("A40x" "Queen's Pawn: Modern" "d4 g6 c4 Bg7 Nc3")
  ("A40x" "Queen's Pawn: Modern" "d4 g6 c4 Bg7 Nc3 c5")
  ("A40x" "Queen's Pawn: Modern" "d4 g6 c4 Bg7 Nc3 c5 d5")
  ("A40y" "Queen's Pawn: Modern, Beefeater Defence" "d4 g6 c4 Bg7 Nc3 c5 d5 Bxc3+ bxc3 f5")
  ("A41a" "Neo-Old Indian" "d4 d6")
  ("A41b" "Neo-Old Indian: 2.Bg5" "d4 d6 Bg5")
  ("A41c" "Neo-Old Indian: 2.g3" "d4 d6 g3")
  ("A41d" "Neo-Old Indian: 2.Nf3" "d4 d6 Nf3")
  ("A41e" "Neo-Old Indian / Modern" "d4 d6 Nf3 g6")
  ("A41e" "Neo-Old Indian / Modern: 3.Bf4" "d4 d6 Nf3 g6 Bf4")
  ("A41e" "Neo-Old Indian / Modern: 3.Bf4" "d4 d6 Nf3 g6 Bf4 Bg7")
  ("A41e" "Neo-Old Indian / Modern: 3.g3" "d4 d6 Nf3 g6 g3")
  ("A41e" "Neo-Old Indian / Modern: 3.g3" "d4 d6 Nf3 g6 g3 Bg7")
  ("A41e" "Neo-Old Indian / Modern: 3.g3" "d4 d6 Nf3 g6 g3 Bg7 Bg2")
  ("A41f" "Neo-Old Indian: Wade Defence" "d4 d6 Nf3 Bg4")
  ("A41f" "Neo-Old Indian: Wade Defence, 3.e3" "d4 d6 Nf3 Bg4 e3")
  ("A41f" "Neo-Old Indian: Wade Defence, 3.e3 Nd7" "d4 d6 Nf3 Bg4 e3 Nd7")
  ("A41f" "Neo-Old Indian: Wade Defence, 3.e3 Nf6" "d4 d6 Nf3 Bg4 e3 Nf6")
  ("A41g" "Neo-Old Indian: Wade Defence, 3.c4" "d4 d6 Nf3 Bg4 c4")
  ("A41g" "Neo-Old Indian: Wade Defence, 3.c4 e5" "d4 d6 Nf3 Bg4 c4 e5")
  ("A41g" "Neo-Old Indian: Wade Defence, 3.c4 e5 4.Nc3" "d4 d6 Nf3 Bg4 c4 e5 Nc3")
  ("A41g" "Neo-Old Indian: Wade Defence, 3.c4 e5 4.Nc3 Nc6" "d4 d6 Nf3 Bg4 c4 e5 Nc3 Nc6")
  ("A41g" "Neo-Old Indian: Wade Defence, 3.c4 e5 4.dxe5" "d4 d6 Nf3 Bg4 c4 e5 dxe5")
  ("A41g" "Neo-Old Indian: Wade Defence, 3.c4 e5 4.dxe5 Nc6 Gambit" "d4 d6 Nf3 Bg4 c4 e5 dxe5 Nc6")
  ("A41h" "Neo-Old Indian: Wade Defence, 3.c4 Nd7" "d4 d6 Nf3 Bg4 c4 Nd7")
  ("A41h" "Neo-Old Indian: Wade Defence, 3.c4 Nd7 4.Nc3" "d4 d6 Nf3 Bg4 c4 Nd7 Nc3")
  ("A41h" "Neo-Old Indian: Wade Defence, 3.c4 Nd7 4.Nc3 e5" "d4 d6 Nf3 Bg4 c4 Nd7 Nc3 e5")
  ("A41i" "Neo-Old Indian: Wade Defence, 3.c4 Bxf3" "d4 d6 Nf3 Bg4 c4 Bxf3")
  ("A41j" "Neo-Old Indian: Wade Defence, 3.e4" "d4 d6 Nf3 Bg4 e4")
  ("A41k" "Neo-Old Indian: Wade Defence, 3.e4 Nf6" "d4 d6 Nf3 Bg4 e4 Nf6")
  ("A41l" "Neo-Old Indian: 2.c4" "d4 d6 c4")
  ("A41m" "Neo-Old Indian: 2.c4 e5" "d4 d6 c4 e5")
  ("A41n" "Neo-Old Indian: 2.c4 e5 3.d5" "d4 d6 c4 e5 d5")
  ("A41o" "Neo-Old Indian: 2.c4 e5 3.dxe5" "d4 d6 c4 e5 dxe5")
  ("A41o" "Neo-Old Indian: Queenswap" "d4 d6 c4 e5 dxe5 dxe5 Qxd8+ Kxd8")
  ("A41p" "Neo-Old Indian: 2.c4 e5 3.Nf3" "d4 d6 c4 e5 Nf3")
  ("A41p" "Neo-Old Indian: 2.c4 e5 3.Nf3 e4" "d4 d6 c4 e5 Nf3 e4")
  ("A41q" "Neo-Old Indian: Modern" "d4 d6 c4 g6")
  ("A41q" "Neo-Old Indian: Modern, 3.e4" "d4 d6 c4 g6 e4")
  ("A41q" "Neo-Old Indian: Modern, 3.e4 Bg7" "d4 d6 c4 g6 e4 Bg7")
  ("A41r" "Neo-Old Indian: Modern, 3.Nf3" "d4 d6 c4 g6 Nf3")
  ("A41r" "Neo-Old Indian: Modern, 3.Nf3 Bg7" "d4 d6 c4 g6 Nf3 Bg7")
  ("A41r" "Neo-Old Indian: Modern, 3.Nf3 Bg7 4.g3" "d4 d6 c4 g6 Nf3 Bg7 g3")
  ("A41s" "Neo-Old Indian: Modern, 3.Nf3 Bg7 4.e4" "d4 d6 c4 g6 Nf3 Bg7 e4")
  ("A41s" "Neo-Old Indian: Modern, Rossolimo Variation" "d4 d6 c4 g6 Nf3 Bg7 e4 Bg4")
  ("A41t" "Neo-Old Indian: Modern, 3.Nc3" "d4 d6 c4 g6 Nc3")
  ("A41t" "Neo-Old Indian: Modern, 3.Nc3 Bg7" "d4 d6 c4 g6 Nc3 Bg7")
  ("A41u" "Neo-Old Indian: Modern, 3.Nc3 Bg7 4.Nf3" "d4 d6 c4 g6 Nc3 Bg7 Nf3")
  ("A41v" "Neo-Old Indian: Modern, 3.Nc3 Bg7 4.Nf3 Bf4" "d4 d6 c4 g6 Nc3 Bg7 Nf3 Bg4")
  ("A41w" "Neo-Old Indian: Modern, 3.Nc3 Bg7 4.Nf3 Bf4 5.e3" "d4 d6 c4 g6 Nc3 Bg7 Nf3 Bg4 e3")
  ("A41w" "Neo-Old Indian: Modern, 3.Nc3 Bg7 4.Nf3 Bf4 5.e3 Nc6" "d4 d6 c4 g6 Nc3 Bg7 Nf3 Bg4 e3 Nc6")
  ("A42a" "Modern: Averbakh" "d4 d6 c4 g6 Nc3 Bg7 e4")
  ("A42b" "Modern: Averbakh, Randspringer Variation" "d4 d6 c4 g6 Nc3 Bg7 e4 f5")
  ("A42b" "Modern: Averbakh, Randspringer, 5.Nf3" "d4 d6 c4 g6 Nc3 Bg7 e4 f5 Nf3")
  ("A42c" "Modern: c4 Pterodactyl" "d4 d6 c4 g6 Nc3 Bg7 e4 c5")
  ("A42c" "Modern: c4 Pterodactyl" "d4 d6 c4 g6 Nc3 Bg7 e4 c5 Nf3")
  ("A42c" "Modern: c4 Pterodactyl" "d4 d6 c4 g6 Nc3 Bg7 e4 c5 Nf3 Qa5")
  ("A42d" "Modern: Averbakh, 4...c6" "d4 d6 c4 g6 Nc3 Bg7 e4 c6")
  ("A42d" "Modern: Averbakh, 4...c6 5.Be3" "d4 d6 c4 g6 Nc3 Bg7 e4 c6 Be3")
  ("A42e" "Modern: Averbakh, 4...c6 5.Nf3" "d4 d6 c4 g6 Nc3 Bg7 e4 c6 Nf3")
  ("A42f" "Modern: Averbakh, 4...Nd7" "d4 d6 c4 g6 Nc3 Bg7 e4 Nd7")
  ("A42f" "Modern: Averbakh, 4...Nd7 5.Nf3" "d4 d6 c4 g6 Nc3 Bg7 e4 Nd7 Nf3")
  ("A42g" "Modern: Averbakh, Kotov Variation" "d4 d6 c4 g6 Nc3 Bg7 e4 Nc6")
  ("A42g" "Modern: Averbakh, Kotov, 5.Nf3" "d4 d6 c4 g6 Nc3 Bg7 e4 Nc6 Nf3")
  ("A42g" "Modern: Averbakh, Kotov, 5.Nge2" "d4 d6 c4 g6 Nc3 Bg7 e4 Nc6 Nge2")
  ("A42h" "Modern: Averbakh, Kotov, 5.d5" "d4 d6 c4 g6 Nc3 Bg7 e4 Nc6 d5")
  ("A42i" "Modern: Averbakh, Kotov, 5.Be3" "d4 d6 c4 g6 Nc3 Bg7 e4 Nc6 Be3")
  ("A42j" "Modern: Averbakh, Kotov, 5.Be3 e5" "d4 d6 c4 g6 Nc3 Bg7 e4 Nc6 Be3 e5")
  ("A42j" "Modern: Averbakh, Kotov, 5.Be3 e5 6.Nge2" "d4 d6 c4 g6 Nc3 Bg7 e4 Nc6 Be3 e5 Nge2")
  ("A42k" "Modern: Averbakh, Kotov, 5.Be3 e5 6.d5"
   "d4 d6 c4 g6 Nc3 Bg7 e4 Nc6 Be3 e5 d5")
  ("A42l" "Modern: Averbakh, Kotov, 5.Be3 e5 6.d5 Nce7"
   "d4 d6 c4 g6 Nc3 Bg7 e4 Nc6 Be3 e5 d5 Nce7")
  ("A42l" "Modern: Averbakh, Kotov, 5.Be3 e5 6.d5 Nce7 7.c5"
   "d4 d6 c4 g6 Nc3 Bg7 e4 Nc6 Be3 e5 d5 Nce7 c5")
  ("A42m" "Modern: Averbakh, Kotov, 5.Be3 e5 6.d5 Nce7 7.g4"
   "d4 d6 c4 g6 Nc3 Bg7 e4 Nc6 Be3 e5 d5 Nce7 g4")
  ("A42n" "Modern: Averbakh, 4...e5" "d4 d6 c4 g6 Nc3 Bg7 e4 e5")
  ("A42o" "Modern: Averbakh, 4...e5 5.Nge2" "d4 d6 c4 g6 Nc3 Bg7 e4 e5 Nge2")
  ("A42p" "Modern: Averbakh, 4...e5 5.Nf3" "d4 d6 c4 g6 Nc3 Bg7 e4 e5 Nf3")
  ("A42q" "Modern: Averbakh, 4...e5 5.Nf3 Nd7"
   "d4 d6 c4 g6 Nc3 Bg7 e4 e5 Nf3 Nd7")
  ("A42r" "Modern: Averbakh, 4...e5 5.Nf3 Nd7 6.Be2"
   "d4 d6 c4 g6 Nc3 Bg7 e4 e5 Nf3 Nd7 Be2")
  ("A42s" "Modern: Averbakh, 4...e5 5.Nf3 Nd7 6.Be2 Ne7"
   "d4 d6 c4 g6 Nc3 Bg7 e4 e5 Nf3 Nd7 Be2 Ne7")
  ("A42t" "Modern: Averbakh, 4...e5 5.d5" "d4 d6 c4 g6 Nc3 Bg7 e4 e5 d5")
  ("A42u" "Modern: Averbakh, 4...e5 5.d5 Nd7"
   "d4 d6 c4 g6 Nc3 Bg7 e4 e5 d5 Nd7")
  ("A42v" "Modern: Averbakh, 4...e5 5.dxe5" "d4 d6 c4 g6 Nc3 Bg7 e4 e5 dxe5")
  ("A42v" "Modern: Averbakh, 4...e5 5.dxe5 dxe5"
   "d4 d6 c4 g6 Nc3 Bg7 e4 e5 dxe5 dxe5")
  ("A42v" "Modern: Averbakh, Queenswap"
   "d4 d6 c4 g6 Nc3 Bg7 e4 e5 dxe5 dxe5 Qxd8+ Kxd8")
  ("A42w" "Modern: Averbakh, Queenswap, 7.f4"
   "d4 d6 c4 g6 Nc3 Bg7 e4 e5 dxe5 dxe5 Qxd8+ Kxd8 f4")
  ("A43a" "Old Benoni" "d4 c5")
  ("A43a" "Old Benoni: Nakamura Gambit" "d4 c5 b4")
  ("A43b" "Old Benoni: 2.dxc5" "d4 c5 dxc5")
  ("A43b" "Old Benoni: Cormorant Gambit" "d4 c5 dxc5 b6")
  ("A43c" "Old Benoni: 2.c3" "d4 c5 c3")
  ("A43d" "Old Benoni: 2.e3" "d4 c5 e3")
  ("A43e" "Old Benoni: 2.d5" "d4 c5 d5")
  ("A43e" "Old Benoni: 2.d5 b5" "d4 c5 d5 b5")
  ("A43f" "Old Benoni: 2.d5 e6" "d4 c5 d5 e6")
  ("A43g" "Old Benoni: Franco-Benoni" "d4 c5 d5 e6 e4")
  ("A43h" "Old Benoni: 2.d5 e6 3.c4" "d4 c5 d5 e6 c4")
  ("A43h" "Old Benoni: 2.d5 e6 3.c4" "d4 c5 d5 e6 c4 exd5 cxd5")
  ("A43h" "Old Benoni: 2.d5 e6 3.c4" "d4 c5 d5 e6 c4 exd5 cxd5 d6")
  ("A43h" "Old Benoni: 2.d5 e6 3.c4" "d4 c5 d5 e6 c4 exd5 cxd5 d6 e4")
  ("A43i" "Old Benoni: 2.d5 e6 3.c4" "d4 c5 d5 e6 c4 exd5 cxd5 d6 Nc3")
  ("A43i" "Old Benoni: 2.d5 e6 3.c4"
   "d4 c5 d5 e6 c4 exd5 cxd5 d6 Nc3 g6 e4 Bg7")
  ("A43i" "Old Benoni: 2.d5 e6 3.c4"
   "d4 c5 d5 e6 c4 exd5 cxd5 d6 Nc3 g6 e4 Bg7 Nf3")
  ("A43j" "Old Benoni: Clarendon Court Defence" "d4 c5 d5 f5")
  ("A43k" "Old Benoni: 2.d5 Nf6" "d4 c5 d5 Nf6")
  ("A43k" "Old Benoni: 2.d5 Nf6 3.Nc3" "d4 c5 d5 Nf6 Nc3")
  ("A43k" "Old Benoni: Woozle" "d4 c5 d5 Nf6 Nc3 Qa5")
  ("A43l" "Old Benoni: 2.d5 Nf6 3.Nf3" "d4 c5 d5 Nf6 Nf3")
  ("A43l" "Old Benoni: 2.d5 Nf6 3.Nf3 e6" "d4 c5 d5 Nf6 Nf3 e6")
  ("A43l" "Old Benoni: 2.d5 Nf6 3.Nf3 e6 4.Nc3" "d4 c5 d5 Nf6 Nf3 e6 Nc3")
  ("A43m" "Old Benoni: 2.d5 Nf6 3.Nf3 g6" "d4 c5 d5 Nf6 Nf3 g6")
  ("A43m" "Old Benoni: 2.d5 Nf6 3.Nf3 g6 4.Nc3" "d4 c5 d5 Nf6 Nf3 g6 Nc3")
  ("A43n" "Old Benoni: Neo-Benko" "d4 c5 d5 Nf6 Nf3 b5")
  ("A43o" "Old Benoni: Neo-Benko, 4.Bg5" "d4 c5 d5 Nf6 Nf3 b5 Bg5")
  ("A43p" "Old Benoni: Neo-Benko, 4.Bg5 d6" "d4 c5 d5 Nf6 Nf3 b5 Bg5 d6")
  ("A43q" "Old Benoni: Neo-Benko, 4.Bg5 Ne4" "d4 c5 d5 Nf6 Nf3 b5 Bg5 Ne4")
  ("A43r" "Old Benoni: Hawk" "d4 c5 d5 Nf6 Nf3 c4")
  ("A43r" "Old Benoni: Hawk, 4.e4" "d4 c5 d5 Nf6 Nf3 c4 e4")
  ("A43s" "Old Benoni: Schmidt" "d4 c5 d5 d6")
  ("A43s" "Old Benoni: Schmidt, 3.Nf3" "d4 c5 d5 d6 Nf3")
  ("A43s" "Old Benoni: Schmidt, 3.Nf3 Nf6" "d4 c5 d5 d6 Nf3 Nf6")
  ("A43s" "Old Benoni: Schmidt, 3.Nc3" "d4 c5 d5 d6 Nc3")
  ("A43s" "Old Benoni: Schmidt, 3.Nc3 g6" "d4 c5 d5 d6 Nc3 g6")
  ("A43s" "Old Benoni: Schmidt, 3.Nc3 Nf6" "d4 c5 d5 d6 Nc3 Nf6")
  ("A43s" "Old Benoni: Schmidt, 3.e4" "d4 c5 d5 d6 e4")
  ("A43t" "Old Benoni: Schmidt, 3.e4 g6" "d4 c5 d5 d6 e4 g6")
  ("A43t" "Old Benoni: Schmidt, 3.e4 g6" "d4 c5 d5 d6 e4 g6 Nf3 Bg7")
  ("A43t" "Old Benoni: Schmidt, 3.e4 g6" "d4 c5 d5 d6 e4 g6 Nf3 Bg7 Be2")
  ("A43t" "Old Benoni: Schmidt, 3.e4 g6" "d4 c5 d5 d6 e4 g6 Nc3 Bg7")
  ("A43u" "Old Benoni: Schmidt, 3.e4 Nf6" "d4 c5 d5 d6 e4 Nf6")
  ("A43u" "Old Benoni: Schmidt, 3.e4 Nf6" "d4 c5 d5 d6 e4 Nf6 Nc3")
  ("A43u" "Old Benoni: Schmidt, 3.e4 Nf6" "d4 c5 d5 d6 e4 Nf6 Nc3 g6")
  ("A43u" "Old Benoni: Schmidt, 3.e4 Nf6" "d4 c5 d5 d6 e4 Nf6 Nc3 g6 Nf3")
  ("A43u" "Old Benoni: Schmidt, 3.e4 Nf6" "d4 c5 d5 d6 e4 Nf6 Nc3 g6 Nf3 Bg7")
  ("A43v" "Old Benoni: Schmidt, 6.h3" "d4 c5 d5 d6 e4 Nf6 Nc3 g6 Nf3 Bg7 h3")
  ("A43v" "Old Benoni: Schmidt, 6.h3"
   "d4 c5 d5 d6 e4 Nf6 Nc3 g6 Nf3 Bg7 h3 O-O")
  ("A43w" "Old Benoni: Schmidt, 6.Bb5+"
   "d4 c5 d5 d6 e4 Nf6 Nc3 g6 Nf3 Bg7 Bb5+")
  ("A43x" "Old Benoni: Schmidt, 6.Be2"
   "d4 c5 d5 d6 e4 Nf6 Nc3 g6 Nf3 Bg7 Be2")
  ("A43x" "Old Benoni: Schmidt, 6.Be2 O-O"
   "d4 c5 d5 d6 e4 Nf6 Nc3 g6 Nf3 Bg7 Be2 O-O")
  ("A43x" "Old Benoni: Schmidt, 6.Be2 O-O 7.O-O"
   "d4 c5 d5 d6 e4 Nf6 Nc3 g6 Nf3 Bg7 Be2 O-O O-O")
  ("A43x" "Old Benoni: Schmidt, 6.Be2 O-O 7.O-O e6"
   "d4 c5 d5 d6 e4 Nf6 Nc3 g6 Nf3 Bg7 Be2 O-O O-O e6")
  ("A43y" "Old Benoni: Schmidt, 6.Be2 O-O 7.O-O Na6"
   "d4 c5 d5 d6 e4 Nf6 Nc3 g6 Nf3 Bg7 Be2 O-O O-O Na6")
  ("A43z" "Old Benoni: Schmidt, 6.Be2 O-O 7.O-O Na6 8.h3"
   "d4 c5 d5 d6 e4 Nf6 Nc3 g6 Nf3 Bg7 Be2 O-O O-O Na6 h3")
  ("A44a" "Old Benoni: Czech" "d4 c5 d5 e5")
  ("A44b" "Old Benoni: Czech, 3.dxe6" "d4 c5 d5 e5 dxe6")
  ("A44c" "Old Benoni: Czech, 3.c4" "d4 c5 d5 e5 c4")
  ("A44d" "Old Benoni: Czech, 3.c4 d6" "d4 c5 d5 e5 c4 d6")
  ("A44e" "Old Benoni: Czech, 3.c4 d6 4.e4" "d4 c5 d5 e5 c4 d6 e4")
  ("A44f" "Old Benoni: Czech, 3.c4 d6 4.e4 Be7" "d4 c5 d5 e5 c4 d6 e4 Be7")
  ("A44g" "Old Benoni: Czech, 3.c4 d6 4.e4 Be7 5.Nc3"
   "d4 c5 d5 e5 c4 d6 e4 Be7 Nc3")
  ("A44h" "Old Benoni: Czech, 3.c4 d6 4.e4 g6" "d4 c5 d5 e5 c4 d6 e4 g6")
  ("A44h" "Old Benoni: Czech, 3.c4 d6 4.e4 g6 5.Nc3"
   "d4 c5 d5 e5 c4 d6 e4 g6 Nc3")
  ("A44i" "Old Benoni: Czech, 3.c4 d6 4.e4 g6 5.Nc3 Bg7"
   "d4 c5 d5 e5 c4 d6 e4 g6 Nc3 Bg7")
  ("A44j" "Old Benoni: Czech, 3.c4 d6 4.e4 g6 5.Nc3 Bg7 6.Nf3"
   "d4 c5 d5 e5 c4 d6 e4 g6 Nc3 Bg7 Nf3")
  ("A44k" "Old Benoni: Czech, 3.c4 d6 4.e4 g6 5.Nc3 Bg7 6.Bd3"
   "d4 c5 d5 e5 c4 d6 e4 g6 Nc3 Bg7 Bd3")
  ("A44l" "Old Benoni: Czech, 3.e4" "d4 c5 d5 e5 e4")
  ("A44m" "Old Benoni: Czech, 3.e4 d6" "d4 c5 d5 e5 e4 d6")
  ("A44n" "Old Benoni: Czech, 3.e4 d6 4.Nf3" "d4 c5 d5 e5 e4 d6 Nf3")
  ("A44o" "Old Benoni: Czech, 3.e4 d6 4.Bb5+" "d4 c5 d5 e5 e4 d6 Bb5+")
  ("A44p" "Old Benoni: Czech, 3.e4 d6 4.Bd3" "d4 c5 d5 e5 e4 d6 Bd3")
  ("A44q" "Old Benoni: Czech, 3.e4 d6 4.Nc3" "d4 c5 d5 e5 e4 d6 Nc3")
  ("A44r" "Old Benoni: Czech, 3.e4 d6 4.Nc3 Nf6" "d4 c5 d5 e5 e4 d6 Nc3 Nf6")
  ("A44s" "Old Benoni: Czech, 3.e4 d6 4.Nc3 g6" "d4 c5 d5 e5 e4 d6 Nc3 g6")
  ("A44t" "Old Benoni: Czech, 3.e4 d6 4.Nc3 a6" "d4 c5 d5 e5 e4 d6 Nc3 a6")
  ("A44u" "Old Benoni: Czech, 3.e4 d6 4.Nc3 a6 5.a4 Be7"
   "d4 c5 d5 e5 e4 d6 Nc3 a6 a4 Be7")
  ("A44v" "Old Benoni: Czech, 3.e4 d6 4.Nc3 Be7" "d4 c5 d5 e5 e4 d6 Nc3 Be7")
  ("A44w" "Old Benoni: Czech, 3.e4 d6 4.Nc3 Be7 5.Bb5+"
   "d4 c5 d5 e5 e4 d6 Nc3 Be7 Bb5+")
  ("A44x" "Old Benoni: Czech, 3.e4 d6 4.Nc3 Be7 5.Nf3"
   "d4 c5 d5 e5 e4 d6 Nc3 Be7 Nf3")
  ("A44y" "Old Benoni: Czech, 3.e4 d6 4.Nc3 Be7 5.Nf3 Bg4"
   "d4 c5 d5 e5 e4 d6 Nc3 Be7 Nf3 Bg4")
  ("A45a" "Queen's Pawn: Indian" "d4 Nf6")
  ("A45a" "Indian: Paleface Attack" "d4 Nf6 f3")
  ("A45a" "Indian: Blackmar-Diemer Gambit (without Nc3)" "d4 Nf6 f3 d5 e4")
  ("A45a" "Indian: Gedult Attack" "d4 Nf6 f3 d5 g4")
  ("A45a" "Indian: Omega Gambit" "d4 Nf6 e4")
  ("A45a" "Indian: Arafat Gambit" "d4 Nf6 e4 Nxe4 Bd3 Nf6 Nf3")
  ("A45a" "Indian: Gibbins Gambit" "d4 Nf6 g4")
  ("A45a" "Indian: Gibbins Gambit, Oshima Defence" "d4 Nf6 g4 e5")
  ("A45a" "Indian: Gibbins Gambit Accepted" "d4 Nf6 g4 Nxg4")
  ("A45b" "Indian: Canard Opening" "d4 Nf6 f4")
  ("A45c" "Indian: 2.Nd2" "d4 Nf6 Nd2")
  ("A45c" "Indian: Lazard Gambit" "d4 Nf6 Nd2 e5")
  ("A45d" "Indian: 2.e3" "d4 Nf6 e3")
  ("A45d" "Indian: 2.e3 e6" "d4 Nf6 e3 e6")
  ("A45d" "Indian: 2.e3 g6" "d4 Nf6 e3 g6")
  ("A45e" "Indian: 2.c3" "d4 Nf6 c3")
  ("A45e" "Indian: 2.c3 g6" "d4 Nf6 c3 g6")
  ("A45e" "Indian: 2.c3 g6 3.Bg5" "d4 Nf6 c3 g6 Bg5")
  ("A45f" "Indian: 2.Nc3" "d4 Nf6 Nc3")
  ("A45g" "Indian: 2.Bf4" "d4 Nf6 Bf4")
  ("A45h" "Indian: 2.g3" "d4 Nf6 g3")
  ("A45h" "Indian: 2.g3 g6" "d4 Nf6 g3 g6")
  ("A45i" "Indian: 2.g3 c5" "d4 Nf6 g3 c5")
  ("A45i" "Indian: 2.g3 c5 3.d5 b5" "d4 Nf6 g3 c5 d5 b5")
  ("A45j" "Trompowsky Opening" "d4 Nf6 Bg5")
  ("A45j" "Trompowsky 2...d6" "d4 Nf6 Bg5 d6")
  ("A45j" "Trompowsky 2...d6 3.Nc3" "d4 Nf6 Bg5 d6 Nc3")
  ("A45j" "Trompowsky 2...d6 3.Bxf6" "d4 Nf6 Bg5 d6 Bxf6")
  ("A45k" "Trompowsky 2...g6" "d4 Nf6 Bg5 g6")
  ("A45k" "Trompowsky 2...g6 3.Nc3" "d4 Nf6 Bg5 g6 Nc3")
  ("A45k" "Trompowsky 2...g6 3.Bxf6" "d4 Nf6 Bg5 g6 Bxf6")
  ("A45l" "Trompowsky 2...g6 3.Bxf6 exf6 4.e3" "d4 Nf6 Bg5 g6 Bxf6 exf6 e3")
  ("A45m" "Trompowsky: 2...e6" "d4 Nf6 Bg5 e6")
  ("A45m" "Trompowsky: 2...e6 3.Nc3" "d4 Nf6 Bg5 e6 Nc3")
  ("A45m" "Trompowsky: 2...e6 3.e3" "d4 Nf6 Bg5 e6 e3")
  ("A45m" "Trompowsky: 2...e6 3.Nd2" "d4 Nf6 Bg5 e6 Nd2")
  ("A45n" "Trompowsky: 2...e6 3.e4" "d4 Nf6 Bg5 e6 e4")
  ("A45n" "Trompowsky: 2...e6 3.e4 h6" "d4 Nf6 Bg5 e6 e4 h6")
  ("A45n" "Trompowsky: 2...e6 3.e4 h6 4.Bxf6" "d4 Nf6 Bg5 e6 e4 h6 Bxf6")
  ("A45n" "Trompowsky: 2...e6 3.e4 h6 4.Bxf6 Qxf6" "d4 Nf6 Bg5 e6 e4 h6 Bxf6 Qxf6")
  ("A45n" "Trompowsky: 2...e6 3.e4 h6 4.Bxf6 Qxf6 5.c3" "d4 Nf6 Bg5 e6 e4 h6 Bxf6 Qxf6 c3")
  ("A45o" "Trompowsky: 2...e6 3.e4 h6 4.Bxf6 Qxf6 5.Nc3" "d4 Nf6 Bg5 e6 e4 h6 Bxf6 Qxf6 Nc3")
  ("A45o" "Trompowsky: 2...e6 3.e4 h6 4.Bxf6 Qxf6 5.Nc3 Bb4" "d4 Nf6 Bg5 e6 e4 h6 Bxf6 Qxf6 Nc3 Bb4")
  ("A45o" "Trompowsky: 2...e6 3.e4 h6 4.Bxf6 Qxf6 5.Nc3 d6" "d4 Nf6 Bg5 e6 e4 h6 Bxf6 Qxf6 Nc3 d6")
  ("A45o" "Trompowsky: 2...e6 3.e4 h6 4.Bxf6 Qxf6 5.Nc3 d6 6.Qd2" "d4 Nf6 Bg5 e6 e4 h6 Bxf6 Qxf6 Nc3 d6 Qd2")
  ("A45o" "Trompowsky: 2...e6 3.e4 h6 4.Bxf6 Qxf6 5.Nc3 d6 6.Qd2 g5" "d4 Nf6 Bg5 e6 e4 h6 Bxf6 Qxf6 Nc3 d6 Qd2 g5")
  ("A45p" "Trompowsky: 2...c5" "d4 Nf6 Bg5 c5")
  ("A45p" "Trompowsky: 2...c5 3.dxc5" "d4 Nf6 Bg5 c5 dxc5")
  ("A45p" "Trompowsky: 2...c5 3.Nc3" "d4 Nf6 Bg5 c5 Nc3")
  ("A45p" "Trompowsky: 2...c5 3.d5" "d4 Nf6 Bg5 c5 d5")
  ("A45p" "Trompowsky: 2...c5 3.d5 Qb6" "d4 Nf6 Bg5 c5 d5 Qb6")
  ("A45p" "Trompowsky: 2...c5 3.d5 Qb6 4.Nc3" "d4 Nf6 Bg5 c5 d5 Qb6 Nc3")
  ("A45q" "Trompowsky: 2...c5 3.Bxf6" "d4 Nf6 Bg5 c5 Bxf6")
  ("A45q" "Trompowsky: 2...c5 3.Bxf6 gxf6" "d4 Nf6 Bg5 c5 Bxf6 gxf6")
  ("A45q" "Trompowsky: 2...c5 3.Bxf6 gxf6 4.d5" "d4 Nf6 Bg5 c5 Bxf6 gxf6 d5")
  ("A45r" "Trompowsky: 2...c5 3.Bxf6 gxf6 4.d5 Qb6"
   "d4 Nf6 Bg5 c5 Bxf6 gxf6 d5 Qb6")
  ("A45r" "Trompowsky: 2...c5 3.Bxf6 gxf6 4.d5 Qb6 5.Qc1"
   "d4 Nf6 Bg5 c5 Bxf6 gxf6 d5 Qb6 Qc1")
  ("A45r" "Trompowsky: 2...c5 3.Bxf6 gxf6 4.d5 Qb6 5.Qc1 f5"
   "d4 Nf6 Bg5 c5 Bxf6 gxf6 d5 Qb6 Qc1 f5")
  ("A45r" "Trompowsky: 2...c5 3.Bxf6 gxf6 4.d5 Qb6 5.Qc1 f5 6.c4"
   "d4 Nf6 Bg5 c5 Bxf6 gxf6 d5 Qb6 Qc1 f5 c4")
  ("A45r" "Trompowsky: 2...c5 3.Bxf6 gxf6 4.d5 Qb6 5.Qc1 f5 6.g3"
   "d4 Nf6 Bg5 c5 Bxf6 gxf6 d5 Qb6 Qc1 f5 g3")
  ("A45r" "Trompowsky: 2...c5 3.Bxf6 gxf6 4.d5 Qb6 5.Qc1 f5 6.e3"
   "d4 Nf6 Bg5 c5 Bxf6 gxf6 d5 Qb6 Qc1 f5 e3")
  ("A45r" "Trompowsky: 2...c5 3.Bxf6 gxf6 4.d5 Qb6 5.Qc1 f5 6.e3 Bg7"
   "d4 Nf6 Bg5 c5 Bxf6 gxf6 d5 Qb6 Qc1 f5 e3 Bg7")
  ("A45s" "Trompowsky: 2...Ne4" "d4 Nf6 Bg5 Ne4")
  ("A45s" "Trompowsky: 2...Ne4 3.h4" "d4 Nf6 Bg5 Ne4 h4")
  ("A45s" "Trompowsky: 2...Ne4 3.h4 d5" "d4 Nf6 Bg5 Ne4 h4 d5")
  ("A45s" "Trompowsky: 2...Ne4 3.h4 c5" "d4 Nf6 Bg5 Ne4 h4 c5")
  ("A45s" "Trompowsky: 2...Ne4 3.h4 c5 4.dxc5" "d4 Nf6 Bg5 Ne4 h4 c5 dxc5")
  ("A45s" "Trompowsky: 2...Ne4 3.h4 c5 4.d5" "d4 Nf6 Bg5 Ne4 h4 c5 d5")
  ("A45t" "Trompowsky: 2...Ne4 3.Bh4" "d4 Nf6 Bg5 Ne4 Bh4")
  ("A45t" "Trompowsky: 2...Ne4 3.Bh4 g5" "d4 Nf6 Bg5 Ne4 Bh4 g5")
  ("A45t" "Trompowsky: 2...Ne4 3.Bh4 d5" "d4 Nf6 Bg5 Ne4 Bh4 d5")
  ("A45t" "Trompowsky: 2...Ne4 3.Bh4 c5" "d4 Nf6 Bg5 Ne4 Bh4 c5")
  ("A45t" "Trompowsky: 2...Ne4 3.Bh4 c5 4.f3" "d4 Nf6 Bg5 Ne4 Bh4 c5 f3")
  ("A45u" "Trompowsky: 2...Ne4 3.Bf4" "d4 Nf6 Bg5 Ne4 Bf4")
  ("A45u" "Trompowsky: Borg Variation" "d4 Nf6 Bg5 Ne4 Bf4 g5")
  ("A45u" "Trompowsky: 2...Ne4 3.Bf4 d5" "d4 Nf6 Bg5 Ne4 Bf4 d5")
  ("A45u" "Trompowsky: 2...Ne4 3.Bf4 d5 4.Nd2" "d4 Nf6 Bg5 Ne4 Bf4 d5 Nd2")
  ("A45v" "Trompowsky: 2...Ne4 3.Bf4 d5 4.f3" "d4 Nf6 Bg5 Ne4 Bf4 d5 f3")
  ("A45v" "Trompowsky: 2...Ne4 3.Bf4 d5 4.f3 Nf6"
   "d4 Nf6 Bg5 Ne4 Bf4 d5 f3 Nf6")
  ("A45w" "Trompowsky: 2...Ne4 3.Bf4 d5 4.e3" "d4 Nf6 Bg5 Ne4 Bf4 d5 e3")
  ("A45w" "Trompowsky: 2...Ne4 3.Bf4 d5 4.e3 c5" "d4 Nf6 Bg5 Ne4 Bf4 d5 e3 c5")
  ("A45x" "Trompowsky: 2...Ne4 3.Bf4 c5" "d4 Nf6 Bg5 Ne4 Bf4 c5")
  ("A45x" "Trompowsky: 2...Ne4 3.Bf4 c5 4.d5" "d4 Nf6 Bg5 Ne4 Bf4 c5 d5")
  ("A45x" "Trompowsky: 2...Ne4 3.Bf4 c5 4.d5 Qb6" "d4 Nf6 Bg5 Ne4 Bf4 c5 d5 Qb6")
  ("A45y" "Trompowsky: 2...Ne4 3.Bf4 c5 4.f3" "d4 Nf6 Bg5 Ne4 Bf4 c5 f3")
  ("A45y" "Trompowsky: 2...Ne4 3.Bf4 c5 4.f3 Qa5+" "d4 Nf6 Bg5 Ne4 Bf4 c5 f3 Qa5+")
  ("A45y" "Trompowsky: 2...Ne4 3.Bf4 c5 4.f3 Qa5+ 5.c3 Nf6 6.d5" "d4 Nf6 Bg5 Ne4 Bf4 c5 f3 Qa5+ c3 Nf6 d5")
  ("A45z" "Trompowsky: 2...Ne4 3.Bf4 c5 4.f3 Qa5+ 5.c3 Nf6 6.Nd2" "d4 Nf6 Bg5 Ne4 Bf4 c5 f3 Qa5+ c3 Nf6 Nd2")
  ("A46a" "Indian: 2.Nf3" "d4 Nf6 Nf3")
  ("A46a" "Indian: Döry Defence" "d4 Nf6 Nf3 Ne4")
  ("A46b" "Indian: 2.Nf3 b5" "d4 Nf6 Nf3 b5")
  ("A46b" "Indian: 2.Nf3 b5 3.g3" "d4 Nf6 Nf3 b5 g3")
  ("A46c" "Neo-Benoni" "d4 Nf6 Nf3 c5")
  ("A46c" "Neo-Benoni 3.dxc5" "d4 Nf6 Nf3 c5 dxc5")
  ("A46c" "Neo-Benoni: 3.e3" "d4 Nf6 Nf3 c5 e3")
  ("A46c" "Neo-Benoni: 3.e3 cxd4" "d4 Nf6 Nf3 c5 e3 cxd4")
  ("A46d" "Neo-Benoni: 3.c3" "d4 Nf6 Nf3 c5 c3")
  ("A46d" "Neo-Benoni: 3.c3 cxd4" "d4 Nf6 Nf3 c5 c3 cxd4")
  ("A46d" "Neo-Benoni: 3.c3 b6" "d4 Nf6 Nf3 c5 c3 b6")
  ("A46d" "Neo-Benoni: 3.c3 g6" "d4 Nf6 Nf3 c5 c3 g6")
  ("A46e" "Neo-Benoni: 3.c3 e6" "d4 Nf6 Nf3 c5 c3 e6")
  ("A46f" "Neo-Benoni: 3.g3" "d4 Nf6 Nf3 c5 g3")
  ("A46f" "Neo-Benoni: 3.g3 cxd4" "d4 Nf6 Nf3 c5 g3 cxd4")
  ("A46f" "Neo-Benoni: 3.g3 cxd4 4.Nxd4" "d4 Nf6 Nf3 c5 g3 cxd4 Nxd4")
  ("A46g" "Indian: 2.Nf3 d6" "d4 Nf6 Nf3 d6")
  ("A46h" "Indian: 2.Nf3 d6 3.g3" "d4 Nf6 Nf3 d6 g3")
  ("A46i" "Indian: 2.Nf3 d6 3.Bg5" "d4 Nf6 Nf3 d6 Bg5")
  ("A46i" "Indian: 2.Nf3 d6 3.Bg5 Nbd7" "d4 Nf6 Nf3 d6 Bg5 Nbd7")
  ("A46j" "Indian: 2.Nf3 e6" "d4 Nf6 Nf3 e6")
  ("A46j" "Indian: 2.Nf3 e6 3.c3" "d4 Nf6 Nf3 e6 c3")
  ("A46j" "Indian: 2.Nf3 e6 3.c3 b6" "d4 Nf6 Nf3 e6 c3 b6")
  ("A46j" "Indian: 1.d4 Nf6 2.Nf3 e6 3.c3 b6 4.Bg5" "d4 Nf6 Nf3 e6 c3 b6 Bg5")
  ("A46k" "Indian: 1.d4 Nf6 2.Nf3 e6 3.e3" "d4 Nf6 Nf3 e6 e3")
  ("A46k" "Indian: 1.d4 Nf6 2.Nf3 e6 3.e3 c5" "d4 Nf6 Nf3 e6 e3 c5")
  ("A46l" "Indian: 1.d4 Nf6 2.Nf3 e6 3.e3 c5 4.Bd3" "d4 Nf6 Nf3 e6 e3 c5 Bd3")
  ("A46m" "Indian: 1.d4 Nf6 2.Nf3 e6 3.g3" "d4 Nf6 Nf3 e6 g3")
  ("A46m" "Indian: 1.d4 Nf6 2.Nf3 e6 3.g3 b5" "d4 Nf6 Nf3 e6 g3 b5")
  ("A46m" "Indian: 1.d4 Nf6 2.Nf3 e6 3.g3 b5 4.Bg2 Bb7" "d4 Nf6 Nf3 e6 g3 b5 Bg2 Bb7")
  ("A46n" "Indian: 1.d4 Nf6 2.Nf3 e6 3.g3 b5 4.Bg2 Bb7 5.O-O" "d4 Nf6 Nf3 e6 g3 b5 Bg2 Bb7 O-O")
  ("A46o" "Indian: 1.d4 Nf6 2.Nf3 e6 3.g3 c5" "d4 Nf6 Nf3 e6 g3 c5")
  ("A46o" "Indian: 1.d4 Nf6 2.Nf3 e6 3.g3 c5 4.Bg2" "d4 Nf6 Nf3 e6 g3 c5 Bg2")
  ("A46o" "Indian: 1.d4 Nf6 2.Nf3 e6 3.g3 c5 4.Bg2 cxd4" "d4 Nf6 Nf3 e6 g3 c5 Bg2 cxd4")
  ("A46o" "Indian: 1.d4 Nf6 2.Nf3 e6 3.g3 c5 4.Bg2 Nc6" "d4 Nf6 Nf3 e6 g3 c5 Bg2 Nc6")
  ("A46o" "Indian: 1.d4 Nf6 2.Nf3 e6 3.g3 c5 4.Bg2 Qc7" "d4 Nf6 Nf3 e6 g3 c5 Bg2 Qc7")
  ("A46o" "Indian: 1.d4 Nf6 2.Nf3 e6 3.g3 c5 4.Bg2 Qa5+" "d4 Nf6 Nf3 e6 g3 c5 Bg2 Qa5+")
  ("A46p" "Indian: London System" "d4 Nf6 Nf3 e6 Bf4")
  ("A46p" "Indian: London, 3...c5" "d4 Nf6 Nf3 e6 Bf4 c5")
  ("A46p" "Indian: London, 3...c5 4.e3" "d4 Nf6 Nf3 e6 Bf4 c5 e3")
  ("A46p" "Indian: London, 3...c5 4.e3 Qb6" "d4 Nf6 Nf3 e6 Bf4 c5 e3 Qb6")
  ("A46q" "Indian: London, 3...c5 4.c3" "d4 Nf6 Nf3 e6 Bf4 c5 c3")
  ("A46r" "Torre Attack" "d4 Nf6 Nf3 e6 Bg5")
  ("A46r" "Torre Attack: 3...b6" "d4 Nf6 Nf3 e6 Bg5 b6")
  ("A46r" "Torre Attack: 3...Be7" "d4 Nf6 Nf3 e6 Bg5 Be7")
  ("A46s" "Torre Attack: 3...c5" "d4 Nf6 Nf3 e6 Bg5 c5")
  ("A46s" "Torre Attack: Wagner Gambit" "d4 Nf6 Nf3 e6 Bg5 c5 e4")
  ("A46t" "Torre Attack: 3...c5 4.c3" "d4 Nf6 Nf3 e6 Bg5 c5 c3")
  ("A46t" "Torre Attack: 3...c5 4.c3 Qb6" "d4 Nf6 Nf3 e6 Bg5 c5 c3 Qb6")
  ("A46t" "Torre Attack: 3...c5 4.c3 h6" "d4 Nf6 Nf3 e6 Bg5 c5 c3 h6")
  ("A46t" "Torre Attack: 3...c5 4.c3 h6 5.Bh4" "d4 Nf6 Nf3 e6 Bg5 c5 c3 h6 Bh4")
  ("A46u" "Torre Attack: 3...c5 4.e3" "d4 Nf6 Nf3 e6 Bg5 c5 e3")
  ("A46u" "Torre Attack: 3...c5 4.e3 cxd4" "d4 Nf6 Nf3 e6 Bg5 c5 e3 cxd4")
  ("A46u" "Torre Attack: 3...c5 4.e3 Qb6" "d4 Nf6 Nf3 e6 Bg5 c5 e3 Qb6")
  ("A46v" "Torre Attack: 3...c5 4.e3 Be7" "d4 Nf6 Nf3 e6 Bg5 c5 e3 Be7")
  ("A46w" "Torre Attack: 3...c5 4.e3 h6" "d4 Nf6 Nf3 e6 Bg5 c5 e3 h6")
  ("A46w" "Torre Attack: 3...c5 4.e3 h6 5.Bh4" "d4 Nf6 Nf3 e6 Bg5 c5 e3 h6 Bh4")
  ("A46x" "Torre Attack: 3...h6" "d4 Nf6 Nf3 e6 Bg5 h6")
  ("A46x" "Torre Attack: 3...h6 4.Bh4" "d4 Nf6 Nf3 e6 Bg5 h6 Bh4")
  ("A46x" "Torre Attack: 3...h6 4.Bh4 g5" "d4 Nf6 Nf3 e6 Bg5 h6 Bh4 g5")
  ("A46y" "Torre Attack: 3...h6 4.Bxf6" "d4 Nf6 Nf3 e6 Bg5 h6 Bxf6")
  ("A46y" "Torre Attack: 3...h6 4.Bxf6 Qxf6 5.e4"
   "d4 Nf6 Nf3 e6 Bg5 h6 Bxf6 Qxf6 e4")
  ("A46y" "Torre Attack: 3...h6 4.Bxf6 Qxf6 5.e4 b6" "d4 Nf6 Nf3 e6 Bg5 h6 Bxf6 Qxf6 e4 b6")
  ("A46y" "Torre Attack: 3...h6 4.Bxf6 Qxf6 5.e4 c5" "d4 Nf6 Nf3 e6 Bg5 h6 Bxf6 Qxf6 e4 c5")
  ("A46z" "Torre Attack: 3...h6 4.Bxf6 Qxf6 5.e4 d6" "d4 Nf6 Nf3 e6 Bg5 h6 Bxf6 Qxf6 e4 d6")
  ("A46z" "Torre Attack: 3...h6 4.Bxf6 Qxf6 5.e4 d6 6.Nc3" "d4 Nf6 Nf3 e6 Bg5 h6 Bxf6 Qxf6 e4 d6 Nc3")
  ("A46z" "Torre Attack: 3...h6 4.Bxf6 Qxf6 5.e4 d6 6.Nc3 g6" "d4 Nf6 Nf3 e6 Bg5 h6 Bxf6 Qxf6 e4 d6 Nc3 g6")
  ("A46z" "Torre Attack: 3...h6 4.Bxf6 Qxf6 5.e4 d6 6.Nc3 Nd7" "d4 Nf6 Nf3 e6 Bg5 h6 Bxf6 Qxf6 e4 d6 Nc3 Nd7")
  ("A46z" "Torre Attack: 3...h6 4.Bxf6 Qxf6 5.e4 d6 6.Nc3 Nd7 7.Qd2" "d4 Nf6 Nf3 e6 Bg5 h6 Bxf6 Qxf6 e4 d6 Nc3 Nd7 Qd2")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6 Bf4")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6 Bf4 e6")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6 Bf4 e6 e3")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6 Bf4 e6 e3 c5")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6 Bf4 Bb7")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6 Bf4 Bb7 e3")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6 Bf4 Bb7 e3 e6")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6 Bg5")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6 Bg5 Bb7")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6 e3")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6 e3 e6")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6 e3 e6 Bd3")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6 e3 e6 Bd3 c5")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6 e3 Bb7")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6 e3 Bb7 Bd3")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6 e3 Bb7 Bd3 e6")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6 e3 Bb7 Bd3 e6 O-O")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6 e3 Bb7 Bd3 e6 O-O c5")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6 g3")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6 g3 e6")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6 g3 Bb7 Bg2")
  ("A47" "Neo-Queen's Indian" "d4 Nf6 Nf3 b6 g3 Bb7 Bg2 e6")
  ("A47" "Neo-Queen's Indian: Marienbad System" "d4 Nf6 Nf3 b6 g3 Bb7 Bg2 c5")
  ("A47" "Neo-Queen's Indian: Marienbad System, Berg Variation" "d4 Nf6 Nf3 b6 g3 Bb7 Bg2 c5 c4 cxd4 Qxd4")
  ("A48a" "Neo-King's Indian" "d4 Nf6 Nf3 g6")
  ("A48a" "Neo-King's Indian" "d4 Nf6 Nf3 g6 Nbd2")
  ("A48b" "Neo-King's Indian" "d4 Nf6 Nf3 g6 c3")
  ("A48b" "Neo-King's Indian" "d4 Nf6 Nf3 g6 c3 Bg7")
  ("A48c" "Neo-King's Indian" "d4 Nf6 Nf3 g6 e3")
  ("A48c" "Neo-King's Indian" "d4 Nf6 Nf3 g6 e3 Bg7")
  ("A48d" "Neo-King's Indian" "d4 Nf6 Nf3 g6 e3 c5")
  ("A48e" "Neo-King's Indian" "d4 Nf6 Nf3 g6 Nc3")
  ("A48f" "Neo-King's Indian: London System" "d4 Nf6 Nf3 g6 Bf4")
  ("A48g" "Neo-King's Indian: London System" "d4 Nf6 Nf3 g6 Bf4 Bg7")
  ("A48h" "Neo-King's Indian: London System" "d4 Nf6 Nf3 g6 Bf4 Bg7 Nbd2")
  ("A48i" "Neo-King's Indian: London System" "d4 Nf6 Nf3 g6 Bf4 Bg7 c3")
  ("A48j" "Neo-King's Indian: London System" "d4 Nf6 Nf3 g6 Bf4 Bg7 e3")
  ("A48j" "Neo-King's Indian: London System" "d4 Nf6 Nf3 g6 Bf4 Bg7 e3 O-O")
  ("A48k" "Neo-King's Indian: London System" "d4 Nf6 Nf3 g6 Bf4 Bg7 e3 O-O Be2")
  ("A48k" "Neo-King's Indian: London System"
   "d4 Nf6 Nf3 g6 Bf4 Bg7 e3 O-O Be2 d6")
  ("A48l" "Neo-King's Indian: London System" "d4 Nf6 Nf3 g6 Bf4 Bg7 e3 O-O Be2 d6 h3")
  ("A48m" "Neo-King's Indian: Torre Attack" "d4 Nf6 Nf3 g6 Bg5")
  ("A48n" "Neo-King's Indian: Torre Attack" "d4 Nf6 Nf3 g6 Bg5 Ne4")
  ("A48o" "Neo-King's Indian: Torre Attack" "d4 Nf6 Nf3 g6 Bg5 Bg7")
  ("A48o" "Neo-King's Indian: Torre Attack" "d4 Nf6 Nf3 g6 Bg5 Bg7 c3")
  ("A48o" "Neo-King's Indian: Torre Attack" "d4 Nf6 Nf3 g6 Bg5 Bg7 e3")
  ("A48p" "Neo-King's Indian: Torre Attack" "d4 Nf6 Nf3 g6 Bg5 Bg7 Nc3")
  ("A48q" "Neo-King's Indian: Torre Attack" "d4 Nf6 Nf3 g6 Bg5 Bg7 Nbd2")
  ("A48r" "Neo-King's Indian: Torre Attack" "d4 Nf6 Nf3 g6 Bg5 Bg7 Nbd2 O-O")
  ("A48s" "Neo-King's Indian: Torre Attack" "d4 Nf6 Nf3 g6 Bg5 Bg7 Nbd2 O-O e4")
  ("A48t" "Neo-King's Indian: Torre Attack" "d4 Nf6 Nf3 g6 Bg5 Bg7 Nbd2 O-O e4 d6")
  ("A48u" "Neo-King's Indian: Torre Attack" "d4 Nf6 Nf3 g6 Bg5 Bg7 Nbd2 O-O e4 d5")
  ("A48v" "Neo-King's Indian: Torre Attack" "d4 Nf6 Nf3 g6 Bg5 Bg7 Nbd2 O-O c3")
  ("A48v" "Neo-King's Indian: Torre Attack"
   "d4 Nf6 Nf3 g6 Bg5 Bg7 Nbd2 O-O c3 d6")
  ("A48w" "Neo-King's Indian: Torre Attack" "d4 Nf6 Nf3 g6 Bg5 Bg7 Nbd2 O-O c3 d6 e4")
  ("A48x" "Neo-King's Indian: Torre Attack" "d4 Nf6 Nf3 g6 Bg5 Bg7 Nbd2 O-O c3 d6 e4 c5")
  ("A49" "Neo-King's Indian: Fianchetto System" "d4 Nf6 Nf3 g6 g3")
  ("A49" "Neo-King's Indian: Fianchetto System" "d4 Nf6 Nf3 g6 g3 Bg7")
  ("A49" "Neo-King's Indian: Fianchetto System" "d4 Nf6 Nf3 g6 g3 Bg7 Bg2")
  ("A49" "Neo-King's Indian: Fianchetto System" "d4 Nf6 Nf3 g6 g3 Bg7 Bg2 O-O")
  ("A49" "Neo-King's Indian: Double Fianchetto System" "d4 Nf6 Nf3 g6 g3 Bg7 Bg2 O-O b3 d6 Bb2")
  ("A49" "Neo-King's Indian: Fianchetto System" "d4 Nf6 Nf3 g6 g3 Bg7 Bg2 O-O O-O")
  ("A49" "Neo-King's Indian: Fianchetto System" "d4 Nf6 Nf3 g6 g3 Bg7 Bg2 O-O O-O d6")
  ("A50a" "Indian: 2.c4" "d4 Nf6 c4")
  ("A50b" "Indian: Mexican Defence (Two Knights Tango)" "d4 Nf6 c4 Nc6")
  ("A50c" "Indian: Mexican Defence, 3.Nc3" "d4 Nf6 c4 Nc6 Nc3")
  ("A50d" "Indian: Mexican Defence, 3.Nf3" "d4 Nf6 c4 Nc6 Nf3")
  ("A50d" "Indian: Mexican Defence, 3.Nf3 d6" "d4 Nf6 c4 Nc6 Nf3 d6")
  ("A50e" "Indian: Mexican Defence, 3.Nf3 e6" "d4 Nf6 c4 Nc6 Nf3 e6")
  ("A50f" "Indian: Mexican Defence, 3.Nf3 e6 4.a3" "d4 Nf6 c4 Nc6 Nf3 e6 a3")
  ("A50g" "Indian: Mexican Defence, 3.Nf3 e6 4.Nc3" "d4 Nf6 c4 Nc6 Nf3 e6 Nc3")
  ("A50h" "Indian: Slav-Indian" "d4 Nf6 c4 c6")
  ("A50i" "Indian: Slav-Indian, 3.Nf3" "d4 Nf6 c4 c6 Nf3")
  ("A50j" "Indian: Slav-Indian, 3.Nc3" "d4 Nf6 c4 c6 Nc3")
  ("A50k" "Indian: 2.c4 a6" "d4 Nf6 c4 a6")
  ("A50l" "Indian: Queen's Indian Accelerated" "d4 Nf6 c4 b6")
  ("A50m" "Indian: Queen's Indian Accelerated" "d4 Nf6 c4 b6 Nc3 Bb7")
  ("A50n" "Indian: Queen's Indian Accelerated" "d4 Nf6 c4 b6 Nc3 Bb7 Qc2")
  ("A51a" "Budapest" "d4 Nf6 c4 e5")
  ("A51b" "Budapest: 3.e3" "d4 Nf6 c4 e5 e3")
  ("A51c" "Budapest: 3.d5" "d4 Nf6 c4 e5 d5")
  ("A51d" "Budapest: 3.dxe5" "d4 Nf6 c4 e5 dxe5")
  ("A51d" "Budapest: Fajarowicz" "d4 Nf6 c4 e5 dxe5 Ne4")
  ("A51e" "Budapest: Fajarowicz, Steiner Variation" "d4 Nf6 c4 e5 dxe5 Ne4 Qc2")
  ("A51f" "Budapest: Fajarowicz, 4.Nd2" "d4 Nf6 c4 e5 dxe5 Ne4 Nd2")
  ("A51g" "Budapest: Fajarowicz, 4.a3" "d4 Nf6 c4 e5 dxe5 Ne4 a3")
  ("A51h" "Budapest: Fajarowicz, 4.Nf3" "d4 Nf6 c4 e5 dxe5 Ne4 Nf3")
  ("A51i" "Budapest: Fajarowicz, 4.Nf3 Bb4+" "d4 Nf6 c4 e5 dxe5 Ne4 Nf3 Bb4+")
  ("A51j" "Budapest: Fajarowicz, 4.Nf3 Nc6" "d4 Nf6 c4 e5 dxe5 Ne4 Nf3 Nc6")
  ("A51k" "Budapest: Fajarowicz, 4.Nf3 Nc6 5.a3" "d4 Nf6 c4 e5 dxe5 Ne4 Nf3 Nc6 a3")
  ("A52a" "Budapest: 3...Ng4" "d4 Nf6 c4 e5 dxe5 Ng4")
  ("A52b" "Budapest: 3...Ng4 4.e3" "d4 Nf6 c4 e5 dxe5 Ng4 e3")
  ("A52c" "Budapest: Alekhine Variation" "d4 Nf6 c4 e5 dxe5 Ng4 e4")
  ("A52c" "Budapest: Alekhine, Balogh Gambit" "d4 Nf6 c4 e5 dxe5 Ng4 e4 d6")
  ("A52d" "Budapest: Alekhine, Abonyi Variation" "d4 Nf6 c4 e5 dxe5 Ng4 e4 Nxe5 f4 Nec6")
  ("A52e" "Budapest: Adler Variation" "d4 Nf6 c4 e5 dxe5 Ng4 Nf3")
  ("A52f" "Budapest: Adler, 4...Bc5" "d4 Nf6 c4 e5 dxe5 Ng4 Nf3 Bc5")
  ("A52g" "Budapest: Adler, 4...Bc5 5.e3 Nc6 6.Be2" "d4 Nf6 c4 e5 dxe5 Ng4 Nf3 Bc5 e3 Nc6 Be2")
  ("A52h" "Budapest: Rubinstein Variation" "d4 Nf6 c4 e5 dxe5 Ng4 Bf4")
  ("A52i" "Budapest: Rubinstein, 4...Bb4+" "d4 Nf6 c4 e5 dxe5 Ng4 Bf4 Bb4+")
  ("A52j" "Budapest: Rubinstein, 4...Nc6" "d4 Nf6 c4 e5 dxe5 Ng4 Bf4 Nc6")
  ("A52k" "Budapest: Rubinstein, Main Line" "d4 Nf6 c4 e5 dxe5 Ng4 Bf4 Nc6 Nf3 Bb4+")
  ("A52l" "Budapest: Rubinstein, Main Line, 6.Nbd2" "d4 Nf6 c4 e5 dxe5 Ng4 Bf4 Nc6 Nf3 Bb4+ Nbd2")
  ("A52m" "Budapest: Rubinstein, Main Line, 6.Nbd2 Qe7 7.e3" "d4 Nf6 c4 e5 dxe5 Ng4 Bf4 Nc6 Nf3 Bb4+ Nbd2 Qe7 e3")
  ("A53" "Old Indian" "d4 Nf6 c4 d6")
  ("A53" "Old Indian: 3.g3" "d4 Nf6 c4 d6 g3")
  ("A53" "Old Indian: 3.Nf3" "d4 Nf6 c4 d6 Nf3")
  ("A53" "Old Indian: 3.Nf3 c6" "d4 Nf6 c4 d6 Nf3 c6")
  ("A53" "Old Indian: 3.Nf3 Nbd7" "d4 Nf6 c4 d6 Nf3 Nbd7")
  ("A53" "Old Indian: 3.Nf3 Bf5" "d4 Nf6 c4 d6 Nf3 Bf5")
  ("A53" "Old Indian: 3.Nf3 Bg4" "d4 Nf6 c4 d6 Nf3 Bg4")
  ("A53" "Old Indian: 3.Nf3 Bg4 4.Qb3" "d4 Nf6 c4 d6 Nf3 Bg4 Qb3")
  ("A53" "Old Indian: 3.Nf3 Bg4 4.Nc3" "d4 Nf6 c4 d6 Nf3 Bg4 Nc3")
  ("A53" "Old Indian: 3.Nc3" "d4 Nf6 c4 d6 Nc3")
  ("A53" "Old Indian: 3.Nc3 c6" "d4 Nf6 c4 d6 Nc3 c6")
  ("A53" "Old Indian: 3.Nc3 Nbd7" "d4 Nf6 c4 d6 Nc3 Nbd7")
  ("A53" "Old Indian: 3.Nc3 Nbd7 4.Nf3" "d4 Nf6 c4 d6 Nc3 Nbd7 Nf3")
  ("A53" "Old Indian: 3.Nc3 Nbd7 4.e4" "d4 Nf6 c4 d6 Nc3 Nbd7 e4")
  ("A53" "Old Indian: 3.Nc3 Nbd7 4.e4 e5" "d4 Nf6 c4 d6 Nc3 Nbd7 e4 e5")
  ("A53" "Old Indian: 3.Nc3 Nbd7 4.e4 e5 5.d5" "d4 Nf6 c4 d6 Nc3 Nbd7 e4 e5 d5")
  ("A53" "Old Indian: 3.Nc3 Nbd7 4.e4 e5 5.Nge2" "d4 Nf6 c4 d6 Nc3 Nbd7 e4 e5 Nge2")
  ("A53" "Old Indian: Janowski" "d4 Nf6 c4 d6 Nc3 Bf5")
  ("A53" "Old Indian: Ukrainian" "d4 Nf6 c4 d6 Nc3 e5")
  ("A53" "Old Indian: Ukranian, 4.e4" "d4 Nf6 c4 d6 Nc3 e5 e4")
  ("A53" "Old Indian: Ukranian, 4.e3" "d4 Nf6 c4 d6 Nc3 e5 e3")
  ("A53" "Old Indian: Dus-Khotimirsky" "d4 Nf6 c4 d6 Nc3 e5 e3 Nbd7 Bd3")
  ("A53" "Old Indian: Ukrainian, 4.d5" "d4 Nf6 c4 d6 Nc3 e5 d5")
  ("A53" "Old Indian: Ukrainian, 4.d5 Be7" "d4 Nf6 c4 d6 Nc3 e5 d5 Be7")
  ("A53" "Old Indian: Ukrainian, 4.dxe5" "d4 Nf6 c4 d6 Nc3 e5 dxe5")
  ("A53" "Old Indian: Ukrainian, Queenswap" "d4 Nf6 c4 d6 Nc3 e5 dxe5 dxe5 Qxd8+ Kxd8")
  ("A53" "Old Indian: Ukrainian, Queenswap, 6.Nf3" "d4 Nf6 c4 d6 Nc3 e5 dxe5 dxe5 Qxd8+ Kxd8 Nf3")
  ("A53" "Old Indian: Ukrainian, Queenswap, 6.Nf3 Nfd7" "d4 Nf6 c4 d6 Nc3 e5 dxe5 dxe5 Qxd8+ Kxd8 Nf3 Nfd7")
  ("A54" "Old Indian: 4.Nf3" "d4 Nf6 c4 d6 Nc3 e5 Nf3")
  ("A54" "Old Indian: 4.Nf3 exd4" "d4 Nf6 c4 d6 Nc3 e5 Nf3 exd4")
  ("A54" "Old Indian: 4.Nf3 Nc6" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nc6")
  ("A54" "Old Indian: 4.Nf3 e4" "d4 Nf6 c4 d6 Nc3 e5 Nf3 e4")
  ("A54" "Old Indian: 4.Nf3 e4 5.Ng5" "d4 Nf6 c4 d6 Nc3 e5 Nf3 e4 Ng5")
  ("A54" "Old Indian: 4.Nf3 Nbd7" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7")
  ("A54" "Old Indian: 5.e3" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e3")
  ("A54" "Old Indian: 5.g3" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 g3")
  ("A54" "Old Indian: 5.g3 c6" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 g3 c6")
  ("A54" "Old Indian: 5.g3 c6" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 g3 c6 Bg2")
  ("A54" "Old Indian: 5.g3 g6" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 g3 g6")
  ("A54" "Old Indian: 5.g3 g6" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 g3 g6 Bg2")
  ("A54" "Old Indian: 5.g3 g6" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 g3 g6 Bg2 Bg7")
  ("A54" "Old Indian: 5.g3 Be7" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 g3 Be7")
  ("A54" "Old Indian: 5.g3 Be7" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 g3 Be7 Bg2")
  ("A54" "Old Indian: 5.g3 Be7" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 g3 Be7 Bg2 O-O")
  ("A54" "Old Indian: 5.g3 Be7" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 g3 Be7 Bg2 O-O O-O")
  ("A54" "Old Indian: 5.g3 Be7, Main Line" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 g3 Be7 Bg2 O-O O-O c6")
  ("A54" "Old Indian: 5.g3 Be7, Main Line, 8.Qc2" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 g3 Be7 Bg2 O-O O-O c6 Qc2")
  ("A54" "Old Indian: 5.Bg5" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 Bg5")
  ("A54" "Old Indian: 5.Bg5 c6" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 Bg5 c6")
  ("A54" "Old Indian: 5.Bg5 Be7" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 Bg5 Be7")
  ("A54" "Old Indian: 5.Bg5 Be7 6.e3"
   "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 Bg5 Be7 e3")
  ("A54" "Old Indian: 5.Bg5 Be7 6.e3 c6"
   "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 Bg5 Be7 e3 c6")
  ("A54" "Old Indian: 5.Bg5 Be7 6.e3 O-O"
   "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 Bg5 Be7 e3 O-O")
  ("A54" "Old Indian: 5.Bg5 Be7 6.e3 O-O 7.Qc2"
   "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 Bg5 Be7 e3 O-O Qc2")
  ("A54" "Old Indian: 5.Bg5 Be7 6.e3 O-O 7.Qc2 c6"
   "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 Bg5 Be7 e3 O-O Qc2 c6")
  ("A55a" "Old Indian: 5.e4" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4")
  ("A55b" "Old Indian: 5.e4 g6" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 g6")
  ("A55c" "Old Indian: 5.e4 c6" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 c6")
  ("A55c" "Old Indian: 5.e4 c6 6.Be2" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 c6 Be2")
  ("A55d" "Old Indian: 5.e4 Be7" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7")
  ("A55e" "Old Indian: 5.e4 Be7 6.g3" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 g3")
  ("A55e" "Old Indian: 5.e4 Be7 6.g3 O-O" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 g3 O-O")
  ("A55e" "Old Indian: 5.e4 Be7 6.g3 c6" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 g3 c6")
  ("A55e" "Old Indian: 5.e4 Be7 6.g3 c6 7.Bg2" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 g3 c6 Bg2")
  ("A55e" "Old Indian: 5.e4 Be7 6.g3 c6 7.Bg2 O-O"
   "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 g3 c6 Bg2 O-O")
  ("A55e" "Old Indian: 5.e4 Be7 6.g3 c6 7.Bg2 O-O 8.O-O" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 g3 c6 Bg2 O-O O-O")
  ("A55e" "Old Indian: 5.e4 Be7 6.g3 c6 7.Bg2 O-O 8.O-O Qc7" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 g3 c6 Bg2 O-O O-O Qc7")
  ("A55f" "Old Indian: 5.e4 Be7 6.g3 c6 7.Bg2 O-O 8.O-O Re8" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 g3 c6 Bg2 O-O O-O Re8")
  ("A55g" "Old Indian: 5.e4 Be7 6.g3 c6 7.Bg2 O-O 8.O-O a6" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 g3 c6 Bg2 O-O O-O a6")
  ("A55h" "Old Indian: 5.e4 Be7 6.g3 c6 7.Bg2 O-O 8.O-O a6 9.a4" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 g3 c6 Bg2 O-O O-O a6 a4")
  ("A55i" "Old Indian: 5.e4 Be7 6.Be2" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 Be2")
  ("A55i" "Old Indian: 5.e4 Be7 6.Be2 O-O"
   "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 Be2 O-O")
  ("A55j" "Old Indian: 5.e4 Be7 6.Be2 c6" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 Be2 c6")
  ("A55j" "Old Indian: 5.e4 Be7 6.Be2 c6 7.O-O" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 Be2 c6 O-O")
  ("A55j" "Old Indian: 5.e4 Be7 6.Be2 c6 7.O-O a6" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 Be2 c6 O-O a6")
  ("A55k" "Old Indian: Main Line" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 Be2 c6 O-O O-O")
  ("A55l" "Old Indian: Main Line, 8.h3" "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 Be2 c6 O-O O-O h3")
  ("A55m" "Old Indian: Main Line, 8.Be3"
   "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 Be2 c6 O-O O-O Be3")
  ("A55n" "Old Indian: Main Line, 8.Be3 a6"
   "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 Be2 c6 O-O O-O Be3 a6")
  ("A55o" "Old Indian: Main Line, 8.Qc2"
   "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 Be2 c6 O-O O-O Qc2")
  ("A55o" "Old Indian: Main Line, 8.Qc2 Re8"
   "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 Be2 c6 O-O O-O Qc2 Re8")
  ("A55o" "Old Indian: Main Line, 8.Qc2 Qc7"
   "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 Be2 c6 O-O O-O Qc2 Qc7")
  ("A55p" "Old Indian: Main Line, 8.Qc2 a6"
   "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 Be2 c6 O-O O-O Qc2 a6")
  ("A55q" "Old Indian: Main Line, 8.Re1"
   "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 Be2 c6 O-O O-O Re1")
  ("A55r" "Old Indian: Main Line, 8.Re1 Re8"
   "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 Be2 c6 O-O O-O Re1 Re8")
  ("A55s" "Old Indian: Main Line, 8.Re1 a6"
   "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 Be2 c6 O-O O-O Re1 a6")
  ("A55t" "Old Indian: Main Line, 8.Re1 a6 9.Bf1"
   "d4 Nf6 c4 d6 Nc3 e5 Nf3 Nbd7 e4 Be7 Be2 c6 O-O O-O Re1 a6 Bf1")
  ("A56a" "Benoni: 2...c5" "d4 Nf6 c4 c5")
  ("A56b" "Benoni: 2...c5 3.e3" "d4 Nf6 c4 c5 e3")
  ("A56b" "Benoni: 2...c5 3.e3 e6" "d4 Nf6 c4 c5 e3 e6")
  ("A56c" "Benoni: 2...c5 3.e3 g6" "d4 Nf6 c4 c5 e3 g6")
  ("A56d" "Benoni: 2...c5 3.e3 g6 4.Nc3" "d4 Nf6 c4 c5 e3 g6 Nc3")
  ("A56e" "Benoni: 3.dxc5" "d4 Nf6 c4 c5 dxc5")
  ("A56f" "Benoni: 3.d5" "d4 Nf6 c4 c5 d5")
  ("A56g" "Benoni: 3.d5 a6" "d4 Nf6 c4 c5 d5 a6")
  ("A56h" "Benoni: 3.d5 g6" "d4 Nf6 c4 c5 d5 g6")
  ("A56h" "Benoni: 3.d5 g6" "d4 Nf6 c4 c5 d5 g6 Nc3")
  ("A56i" "Benoni: 3.d5 d6" "d4 Nf6 c4 c5 d5 d6")
  ("A56j" "Benoni: 3.d5 d6 4.Nc3 g6" "d4 Nf6 c4 c5 d5 d6 Nc3 g6")
  ("A56j" "Benoni: Bronstein's Gambit" "d4 Nf6 c4 c5 d5 g6 Nc3 d6 e4 b5")
  ("A56k" "Benoni: 3.d5 d6 4.Nc3 g6 5.e4 Bg7" "d4 Nf6 c4 c5 d5 d6 Nc3 g6 e4 Bg7")
  ("A56l" "Benoni: 3.d5 d6 4.Nc3 g6 5.e4 Bg7 6.f3" "d4 Nf6 c4 c5 d5 d6 Nc3 g6 e4 Bg7 f3")
  ("A56m" "Benoni: 3.d5 d6 4.Nc3 g6 5.e4 Bg7 6.Bd3"
   "d4 Nf6 c4 c5 d5 d6 Nc3 g6 e4 Bg7 Bd3")
  ("A56n" "Benoni: Vulture" "d4 Nf6 c4 c5 d5 Ne4")
  ("A56o" "Benoni: Czech" "d4 Nf6 c4 c5 d5 e5")
  ("A56p" "Benoni: Czech, 4.Nc3 d6" "d4 Nf6 c4 c5 d5 e5 Nc3 d6")
  ("A56q" "Benoni: Czech, 5.e4 g6" "d4 Nf6 c4 c5 d5 e5 Nc3 d6 e4 g6")
  ("A56r" "Benoni: Czech, 5.e4 Be7" "d4 Nf6 c4 c5 d5 e5 Nc3 d6 e4 Be7")
  ("A56s" "Benoni: Czech, 5.e4 Be7 6.g3" "d4 Nf6 c4 c5 d5 e5 Nc3 d6 e4 Be7 g3")
  ("A56s" "Benoni: Czech, 5.e4 Be7 6.g3 O-O" "d4 Nf6 c4 c5 d5 e5 Nc3 d6 e4 Be7 g3 O-O")
  ("A56s" "Benoni: Czech, 5.e4 Be7 6.g3 O-O 7.Bg2" "d4 Nf6 c4 c5 d5 e5 Nc3 d6 e4 Be7 g3 O-O Bg2")
  ("A56t" "Benoni: Czech, 5.e4 Be7 6.g3 O-O 7.Bg2 Ne8" "d4 Nf6 c4 c5 d5 e5 Nc3 d6 e4 Be7 g3 O-O Bg2 Ne8")
  ("A56u" "Benoni: Czech, 5.e4 Be7 6.Bd3" "d4 Nf6 c4 c5 d5 e5 Nc3 d6 e4 Be7 Bd3")
  ("A56v" "Benoni: Czech, 5.e4 Be7 6.Nf3"
   "d4 Nf6 c4 c5 d5 e5 Nc3 d6 e4 Be7 Nf3")
  ("A56w" "Benoni: Czech, 5.e4 Be7 6.Nf3 O-O" "d4 Nf6 c4 c5 d5 e5 Nc3 d6 e4 Be7 Nf3 O-O")
  ("A56w" "Benoni: Czech, 5.e4 Be7 6.Nf3 O-O 7.h3" "d4 Nf6 c4 c5 d5 e5 Nc3 d6 e4 Be7 Nf3 O-O h3")
  ("A56x" "Benoni: Czech, 5.e4 Be7 6.Nf3 O-O 7.Be2" "d4 Nf6 c4 c5 d5 e5 Nc3 d6 e4 Be7 Nf3 O-O Be2")
  ("A57a" "Benko Gambit" "d4 Nf6 c4 c5 d5 b5")
  ("A57b" "Benko Gambit: 4.a4" "d4 Nf6 c4 c5 d5 b5 a4")
  ("A57c" "Benko Gambit: 4.Nd2" "d4 Nf6 c4 c5 d5 b5 Nd2")
  ("A57d" "Benko Gambit: 4.Nf3" "d4 Nf6 c4 c5 d5 b5 Nf3")
  ("A57d" "Benko Gambit: 4.Nf3 bxc4" "d4 Nf6 c4 c5 d5 b5 Nf3 bxc4")
  ("A57e" "Benko Gambit: 4.Nf3 Bb7" "d4 Nf6 c4 c5 d5 b5 Nf3 Bb7")
  ("A57e" "Benko Gambit: 4.Nf3 Bb7 5.a4" "d4 Nf6 c4 c5 d5 b5 Nf3 Bb7 a4")
  ("A57f" "Benko Gambit: 4.Nf3 g6" "d4 Nf6 c4 c5 d5 b5 Nf3 g6")
  ("A57g" "Benko Gambit: 4.Nf3 g6 5.cxb5" "d4 Nf6 c4 c5 d5 b5 Nf3 g6 cxb5")
  ("A57g" "Benko Gambit: 4.Nf3 g6 5.cxb5 a6"
   "d4 Nf6 c4 c5 d5 b5 Nf3 g6 cxb5 a6")
  ("A57h" "Benko Gambit: 4.cxb5" "d4 Nf6 c4 c5 d5 b5 cxb5")
  ("A57h" "Benko Gambit: 4.cxb5 a6" "d4 Nf6 c4 c5 d5 b5 cxb5 a6")
  ("A57i" "Benko Gambit: 4.cxb5 a6 5.b6" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 b6")
  ("A57j" "Benko Gambit: 4.cxb5 a6 5.b6 Qxb6" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 b6 Qxb6")
  ("A57k" "Benko Gambit: 4.cxb5 a6 5.b6 d6" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 b6 d6")
  ("A57l" "Benko Gambit: 4.cxb5 a6 5.b6 e6" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 b6 e6")
  ("A57m" "Benko Gambit: 4.cxb5 a6 5.e3" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 e3")
  ("A57n" "Benko Gambit: 4.cxb5 a6 5.e3 g6" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 e3 g6")
  ("A57n" "Benko Gambit: 4.cxb5 a6 5.e3 g6 6.Nc3 d6" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 e3 g6 Nc3 d6")
  ("A57n" "Benko Gambit: 4.cxb5 a6 5.e3 g6 6.Nc3 Bg7"
   "d4 Nf6 c4 c5 d5 b5 cxb5 a6 e3 g6 Nc3 Bg7")
  ("A57o" "Benko Gambit: 4.cxb5 a6 5.f3" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 f3")
  ("A57p" "Benko Gambit: 4.cxb5 a6 5.f3 e6" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 f3 e6")
  ("A57q" "Benko Gambit: 4.cxb5 a6 5.f3 axb5" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 f3 axb5")
  ("A57r" "Benko Gambit: Zaitsev Variation" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 Nc3")
  ("A57r" "Benko Gambit: Zaitsev, 5...Qa5" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 Nc3 Qa5")
  ("A57s" "Benko Gambit: Zaitsev, 5...axb5" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 Nc3 axb5")
  ("A57s" "Benko Gambit: Zaitsev, 5...axb5 6.e4 b4" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 Nc3 axb5 e4 b4")
  ("A57t" "Benko Gambit: Zaitsev, 8.Nf3" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 Nc3 axb5 e4 b4 Nb5 d6 Nf3")
  ("A57u" "Benko Gambit: Zaitsev, Nescafe Frappe Attack" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 Nc3 axb5 e4 b4 Nb5 d6 Bc4")
  ("A57v" "Benko Gambit: Zaitsev, 8.Bf4" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 Nc3 axb5 e4 b4 Nb5 d6 Bf4")
  ("A57w" "Benko Gambit: Zaitsev, 8.Bf4 g5"
   "d4 Nf6 c4 c5 d5 b5 cxb5 a6 Nc3 axb5 e4 b4 Nb5 d6 Bf4 g5")
  ("A58a" "Benko Gambit: 5.bxa6" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6")
  ("A58b" "Benko Gambit: 5.bxa6 g6" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 g6")
  ("A58c" "Benko Gambit: 5.bxa6 Bxa6" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6")
  ("A58c" "Benko Gambit: Accepted, 6.g3" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 g3")
  ("A58d" "Benko Gambit: Accepted, 6.g3 d6 7.Bg2 g6" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 g3 d6 Bg2 g6")
  ("A58d" "Benko Gambit: Accepted, 6.g3 d6 7.Bg2 g6 8.b3" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 g3 d6 Bg2 g6 b3")
  ("A58e" "Benko Gambit: Accepted, 6.Nc3" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3")
  ("A58f" "Benko Gambit: Accepted, 6.Nc3 g6" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 g6")
  ("A58g" "Benko Gambit: Accepted, 6.Nc3 d6" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6")
  ("A58g" "Benko Gambit: Accepted, 7.f4"
   "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 f4")
  ("A58g" "Benko Gambit: Accepted, 7.f4" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 f4 g6")
  ("A58h" "Benko Gambit: Accepted, 7.g3" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 g3")
  ("A58h" "Benko Gambit: Accepted, 7.g3" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 g3 g6")
  ("A58i" "Benko Gambit: Accepted, 7.Nf3" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 Nf3")
  ("A58i" "Benko Gambit: Accepted, 7.Nf3 g6" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 Nf3 g6")
  ("A58j" "Benko Gambit: Accepted, 7.Nf3 g6 8.Nd2" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 Nf3 g6 Nd2")
  ("A58j" "Benko Gambit: Accepted, 7.Nf3 g6 8.Nd2 Qa5" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 Nf3 g6 Nd2 Qa5")
  ("A58j" "Benko Gambit: Accepted, 7.Nf3 g6 8.Nd2 Bg7" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 Nf3 g6 Nd2 Bg7")
  ("A58k" "Benko Gambit: Fianchetto Variation" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 Nf3 g6 g3")
  ("A58k" "Benko Gambit: Fianchetto Variation" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 Nf3 g6 g3 Bg7")
  ("A58l" "Benko Gambit: Fianchetto, 9.Bh3" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 Nf3 g6 g3 Bg7 Bh3")
  ("A58m" "Benko Gambit: Fianchetto, 9.Bg2" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 Nf3 g6 g3 Bg7 Bg2")
  ("A58m" "Benko Gambit: Fianchetto, 9...Nbd7" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 Nf3 g6 g3 Bg7 Bg2 Nbd7")
  ("A58n" "Benko Gambit: Fianchetto, 9...Nbd7 10.O-O Nb6" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 Nf3 g6 g3 Bg7 Bg2 Nbd7 O-O Nb6")
  ("A58o" "Benko Gambit: Fianchetto, 9...O-O" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 Nf3 g6 g3 Bg7 Bg2 O-O")
  ("A58p" "Benko Gambit: Fianchetto, Main Line" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Nbd7")
  ("A58q" "Benko Gambit: Fianchetto, Main Line, 11.Rb1" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Nbd7 Rb1")
  ("A58r" "Benko Gambit: Fianchetto, Main Line, 11.Re1" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Nbd7 Re1")
  ("A58s" "Benko Gambit: Fianchetto, Main Line, 11.Qc2" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Nbd7 Qc2")
  ("A58t" "Benko Gambit: Fianchetto, Main Line, 11.Qc2 Qb6" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Nbd7 Qc2 Qb6")
  ("A59a" "Benko Gambit: 7.e4" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4")
  ("A59b" "Benko Gambit: 7.e4 Bxf1 8.Kxf1 g6" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4 Bxf1 Kxf1 g6")
  ("A59c" "Benko Gambit: 7.e4 Line, 9.Nge2" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4 Bxf1 Kxf1 g6 Nge2")
  ("A59d" "Benko Gambit: 7.e4 Line, 9.Nf3" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4 Bxf1 Kxf1 g6 Nf3")
  ("A59e" "Benko Gambit: 7.e4 Line, 9.Nf3 Bg7 10.h3" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4 Bxf1 Kxf1 g6 Nf3 Bg7 h3")
  ("A59f" "Benko Gambit: 7.e4 Line, 9.Nf3 Bg7 10.h3 Nbd7" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4 Bxf1 Kxf1 g6 Nf3 Bg7 h3 Nbd7")
  ("A59g" "Benko Gambit: 7.e4 Line, 9.g4" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4 Bxf1 Kxf1 g6 g4")
  ("A59h" "Benko Gambit: 7.e4 Line, 9.g3" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4 Bxf1 Kxf1 g6 g3")
  ("A59i" "Benko Gambit: 7.e4, Main Line" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4 Bxf1 Kxf1 g6 g3 Bg7 Kg2 O-O Nf3")
  ("A59j" "Benko Gambit: 7.e4, Main Line, 11...Nbd7" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4 Bxf1 Kxf1 g6 g3 Bg7 Kg2 O-O Nf3 Nbd7")
  ("A59k" "Benko Gambit: 7.e4, Main Line, 11...Nbd7 12.Re1" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4 Bxf1 Kxf1 g6 g3 Bg7 Kg2 O-O Nf3 Nbd7 Re1")
  ("A59l" "Benko Gambit: 7.e4, Main Line, 11...Nbd7 12.Re1 Qa5" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4 Bxf1 Kxf1 g6 g3 Bg7 Kg2 O-O Nf3 Nbd7 Re1 Qa5")
  ("A59m" "Benko Gambit: 7.e4, Main Line, 11...Nbd7 12.Re1 Ng4" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4 Bxf1 Kxf1 g6 g3 Bg7 Kg2 O-O Nf3 Nbd7 Re1 Ng4")
  ("A59n" "Benko Gambit: 7.e4, Main Line, 11...Nbd7 12.h3" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4 Bxf1 Kxf1 g6 g3 Bg7 Kg2 O-O Nf3 Nbd7 h3")
  ("A59o" "Benko Gambit: 7.e4, Main Line, 11...Nbd7 12.h3 Ra6" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4 Bxf1 Kxf1 g6 g3 Bg7 Kg2 O-O Nf3 Nbd7 h3 Ra6")
  ("A59o" "Benko Gambit: 7.e4, Main Line, 11...Nbd7 12.h3 Ra6 13.Re1" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4 Bxf1 Kxf1 g6 g3 Bg7 Kg2 O-O Nf3 Nbd7 h3 Ra6 Re1")
  ("A59p" "Benko Gambit: 7.e4, Main Line, 11...Nbd7 12.h3 Qb6" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4 Bxf1 Kxf1 g6 g3 Bg7 Kg2 O-O Nf3 Nbd7 h3 Qb6")
  ("A59p" "Benko Gambit: 7.e4, Main Line, 11...Nbd7 12.h3 Qb6 13.Re1" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4 Bxf1 Kxf1 g6 g3 Bg7 Kg2 O-O Nf3 Nbd7 h3 Qb6 Re1")
  ("A59q" "Benko Gambit: 7.e4, Main Line, 11...Nbd7 12.h3 Qa5" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4 Bxf1 Kxf1 g6 g3 Bg7 Kg2 O-O Nf3 Nbd7 h3 Qa5")
  ("A59q" "Benko Gambit: 7.e4, Main Line, 11...Nbd7 12.h3 Qa5 13.Re1" "d4 Nf6 c4 c5 d5 b5 cxb5 a6 bxa6 Bxa6 Nc3 d6 e4 Bxf1 Kxf1 g6 g3 Bg7 Kg2 O-O Nf3 Nbd7 h3 Qa5 Re1")
  ("A60a" "Benoni: 3.d5 e6" "d4 Nf6 c4 c5 d5 e6")
  ("A60b" "Benoni: 4.Nf3" "d4 Nf6 c4 c5 d5 e6 Nf3")
  ("A60c" "Benoni: 4.Nf3 exd5 5.cxd5" "d4 Nf6 c4 c5 d5 e6 Nf3 exd5 cxd5")
  ("A60d" "Benoni: Snake Variation vs. 4.Nf3" "d4 Nf6 c4 c5 d5 e6 Nf3 exd5 cxd5 Bd6")
  ("A60e" "Benoni: 4.g3" "d4 Nf6 c4 c5 d5 e6 g3")
  ("A60f" "Benoni: 4.g3 exd5 5.cxd5 b5" "d4 Nf6 c4 c5 d5 e6 g3 exd5 cxd5 b5")
  ("A60g" "Benoni: 4.Nc3" "d4 Nf6 c4 c5 d5 e6 Nc3")
  ("A60h" "Benoni: 4.Nc3 exd5 5.Nxd5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 Nxd5")
  ("A60i" "Benoni: 4.Nc3 exd5 5.cxd5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5")
  ("A60j" "Benoni: Snake Variation" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 Bd6")
  ("A60k" "Benoni: Snake, 6.Nf3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 Bd6 Nf3")
  ("A60l" "Benoni: Snake, 6.Nf3 Bc7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 Bd6 Nf3 Bc7")
  ("A60m" "Benoni: Snake, 6.e4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 Bd6 e4")
  ("A60n" "Benoni: Snake, 6.e4 O-O 7.Nf3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 Bd6 e4 O-O Nf3")
  ("A60o" "Benoni: 4.Nc3 exd5 5.cxd5 g6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 g6")
  ("A60p" "Benoni: 4.Nc3 exd5 5.cxd5 d6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6")
  ("A60q" "Benoni: 4.Nc3 exd5 5.cxd5 d6 6.Nf3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3")
  ("A61" "Benoni: 6.Nf3 g6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6")
  ("A61" "Benoni: 6.Nf3 g6 7.h3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 h3")
  ("A61" "Benoni: 6.Nf3 g6 7.Bf4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 Bf4")
  ("A61" "Benoni: 6.Nf3 g6 7.Bf4 a6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 Bf4 a6")
  ("A61" "Benoni: 6.Nf3 g6 7.Bf4 Bg7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 Bf4 Bg7")
  ("A61" "Benoni: 6.Nf3 g6 7.Bf4 Bg7 8.Nd2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 Bf4 Bg7 Nd2")
  ("A61" "Benoni: 6.Nf3 g6 7.Bf4 Bg7 8.Qa4+" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 Bf4 Bg7 Qa4+")
  ("A61" "Benoni: Uhlmann Variation" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 Bg5")
  ("A61" "Benoni: Uhlmann, 7...Bg7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 Bg5 Bg7")
  ("A61" "Benoni: Uhlmann, 7...h6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 Bg5 h6")
  ("A61" "Benoni: Nimzowitsch Variation" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 Nd2")
  ("A61" "Benoni: Nimzowitsch, 7...Nbd7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 Nd2 Nbd7")
  ("A61" "Benoni: Nimzowitsch, 7...Bg7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 Nd2 Bg7")
  ("A61" "Benoni: Nimzowitsch, 7...Bg7 8.Nc4 O-O 9.Bf4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 Nd2 Bg7 Nc4 O-O Bf4")
  ("A61" "Benoni: Nimzowitsch, 7...Bg7 8.Nc4 O-O 9.Bg5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 Nd2 Bg7 Nc4 O-O Bg5")
  ("A61" "Benoni: Fianchetto Variation" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3")
  ("A62" "Benoni: Fianchetto, 8.Bg2 O-O" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O")
  ("A62" "Benoni: Fianchetto, 9.O-O" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O")
  ("A62" "Benoni: Fianchetto, 9.O-O a6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O a6")
  ("A62" "Benoni: Fianchetto, 9.O-O Na6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Na6")
  ("A62" "Benoni: Fianchetto, 9.O-O Na6 10.Nd2 Nc7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Na6 Nd2 Nc7")
  ("A62" "Benoni: Fianchetto, 9.O-O Re8" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Re8")
  ("A63" "Benoni: Fianchetto, 9...Nbd7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Nbd7")
  ("A63" "Benoni: Fianchetto, 9...Nbd7 10.Nd2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Nbd7 Nd2")
  ("A63" "Benoni: Fianchetto, 9...Nbd7 10.Nd2 Re8" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Nbd7 Nd2 Re8")
  ("A63" "Benoni: Fianchetto, 9...a6 10.a4 Nbd7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O a6 a4 Nbd7")
  ("A63" "Benoni: Fianchetto, 9...Nbd7 10.Nd2 a6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Nbd7 Nd2 a6")
  ("A63" "Benoni: Fianchetto, 9...Nbd7 10.Nd2 a6 11.a4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Nbd7 Nd2 a6 a4")
  ("A64" "Benoni: Fianchetto, 11...Re8" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Nbd7 Nd2 a6 a4 Re8")
  ("A64" "Benoni: Fianchetto, 11...Re8 12.a5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Nbd7 Nd2 a6 a4 Re8 a5")
  ("A64" "Benoni: Fianchetto, 11...Re8 12.Nc4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Nbd7 Nd2 a6 a4 Re8 Nc4")
  ("A64" "Benoni: Fianchetto, 11...Re8 12.Nc4 Ne5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Nbd7 Nd2 a6 a4 Re8 Nc4 Ne5")
  ("A64" "Benoni: Fianchetto, 11...Re8 12.h3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Nbd7 Nd2 a6 a4 Re8 h3")
  ("A64" "Benoni: Fianchetto, 11...Re8 12.h3 Rb8" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Nbd7 Nd2 a6 a4 Re8 h3 Rb8")
  ("A64" "Benoni: Fianchetto, 11...Re8 12.h3 Rb8 13.Nc4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Nbd7 Nd2 a6 a4 Re8 h3 Rb8 Nc4")
  ("A64" "Benoni: Fianchetto, 11...Re8 12.h3 Rb8 13.Nc4 Ne5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Nbd7 Nd2 a6 a4 Re8 h3 Rb8 Nc4 Ne5")
  ("A64" "Benoni: Fianchetto, 11...Re8 12.h3 Rb8 13.Nc4 Nb6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 Nf3 g6 g3 Bg7 Bg2 O-O O-O Nbd7 Nd2 a6 a4 Re8 h3 Rb8 Nc4 Nb6")
  ("A65a" "Benoni: 6.e4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4")
  ("A65a" "Benoni: 6.e4 Be7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 Be7")
  ("A65b" "Benoni: 6.e4 g6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6")
  ("A65b" "Benoni: 6.e4 g6 7.h3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 h3")
  ("A65c" "Benoni: 6.e4 g6 7.Bf4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Bf4")
  ("A65d" "Benoni: 6.e4 g6 7.Bf4 a6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Bf4 a6")
  ("A65e" "Benoni: 6.e4 g6 7.Bf4 a6 8.Nf3 b5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Bf4 a6 Nf3 b5")
  ("A65e" "Benoni: 6.e4 g6 7.Bf4 a6 8.Nf3 b5 9.Qe2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Bf4 a6 Nf3 b5 Qe2")
  ("A65f" "Benoni: 6.e4 g6 7.Bd3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Bd3")
  ("A65f" "Benoni: 6.e4 g6 7.Bd3 Bg7 8.h3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Bd3 Bg7 h3")
  ("A65g" "Benoni: 6.e4 g6 7.Bd3 Bg7 8.Nge2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Bd3 Bg7 Nge2")
  ("A65g" "Benoni: 6.e4 g6 7.Bd3 Bg7 8.Nge2 O-O" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Bd3 Bg7 Nge2 O-O")
  ("A65g" "Benoni: 6.e4 g6 7.Bd3 Bg7 8.Nge2 O-O 9.O-O" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Bd3 Bg7 Nge2 O-O O-O")
  ("A65h" "Benoni: 6.e4 g6 7.Bd3 Bg7 8.Nge2 O-O 9.O-O b6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Bd3 Bg7 Nge2 O-O O-O b6")
  ("A65i" "Benoni: 6.e4 g6 7.Bd3 Bg7 8.Nge2 O-O 9.O-O Na6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Bd3 Bg7 Nge2 O-O O-O Na6")
  ("A65j" "Benoni: 6.e4 g6 7.Bd3 Bg7 8.Nge2 O-O 9.O-O a6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Bd3 Bg7 Nge2 O-O O-O a6")
  ("A65k" "Benoni: Sämisch (6.e4 g6 7.f3)" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f3")
  ("A65k" "Benoni: Sämisch, 7...Bg7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f3 Bg7")
  ("A65l" "Benoni: Sämisch, 8.Nge2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f3 Bg7 Nge2")
  ("A65m" "Benoni: Sämisch, 8.Be3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f3 Bg7 Be3")
  ("A65n" "Benoni: Sämisch, 8.Bg5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f3 Bg7 Bg5")
  ("A65n" "Benoni: Sämisch, 8.Bg5 O-O" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f3 Bg7 Bg5 O-O")
  ("A65o" "Benoni: Sämisch, 8.Bg5 O-O 9.Nge2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f3 Bg7 Bg5 O-O Nge2")
  ("A65p" "Benoni: Sämisch, 8.Bg5 O-O 9.Qd2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f3 Bg7 Bg5 O-O Qd2")
  ("A65q" "Benoni: Sämisch, 8.Bg5 O-O 9.Qd2 a6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f3 Bg7 Bg5 O-O Qd2 a6")
  ("A65r" "Benoni: Sämisch, 8.Bg5 h6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f3 Bg7 Bg5 h6")
  ("A65r" "Benoni: Sämisch, 8.Bg5 h6 9.Be3 O-O" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f3 Bg7 Bg5 h6 Be3 O-O")
  ("A65s" "Benoni: Sämisch, 8.Bg5 h6 9.Be3 O-O 10.Nge2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f3 Bg7 Bg5 h6 Be3 O-O Nge2")
  ("A65t" "Benoni: Sämisch, 8.Bg5 h6 9.Be3 O-O 10.Qd2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f3 Bg7 Bg5 h6 Be3 O-O Qd2")
  ("A65u" "Benoni: Sämisch, 8.Bg5 h6 9.Be3 O-O 10.Qd2 Re8" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f3 Bg7 Bg5 h6 Be3 O-O Qd2 Re8")
  ("A65v" "Benoni: Sämisch, 8.Bg5 h6 9.Be3 O-O 10.Qd2 a6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f3 Bg7 Bg5 h6 Be3 O-O Qd2 a6")
  ("A65v" "Benoni: Sämisch, 8.Bg5 h6 9.Be3 O-O 10.Qd2 a6 11.a4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f3 Bg7 Bg5 h6 Be3 O-O Qd2 a6 a4")
  ("A65w" "Benoni: Sämisch, 8.Bg5 h6 9.Be3 O-O 10.Qd2 a6 11.a4 h5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f3 Bg7 Bg5 h6 Be3 O-O Qd2 a6 a4 h5")
  ("A65x" "Benoni: Sämisch, 8.Bg5 h6 9.Be3 O-O 10.Qd2 a6 11.a4 Nbd7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f3 Bg7 Bg5 h6 Be3 O-O Qd2 a6 a4 Nbd7")
  ("A65y" "Benoni: Sämisch, 8.Bg5 h6 9.Be3 O-O 10.Qd2 a6 11.a4 Re8" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f3 Bg7 Bg5 h6 Be3 O-O Qd2 a6 a4 Re8")
  ("A65y" "Benoni: Sämisch, 8.Bg5 h6 9.Be3 O-O 10.Qd2 a6 11.a4 Re8 12.Nge2 Nbd7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f3 Bg7 Bg5 h6 Be3 O-O Qd2 a6 a4 Re8 Nge2 Nbd7")
  ("A66" "Benoni: Four Pawns Attack" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4")
  ("A66" "Benoni: Four Pawns Attack" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7")
  ("A66" "Benoni: Four Pawns, Mikenas Attack" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 e5")
  ("A66" "Benoni: Mikenas Attack, 8...dxe5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 e5 dxe5")
  ("A66" "Benoni: Mikenas Attack, 8...Nfd7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 e5 Nfd7")
  ("A66" "Benoni: Mikenas Attack, 8...Nfd7 9.e6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 e5 Nfd7 e6")
  ("A66" "Benoni: Mikenas Attack, 8...Nfd7 9.Nf3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 e5 Nfd7 Nf3")
  ("A66" "Benoni: Mikenas Attack, 8...Nfd7 9.Nb5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 e5 Nfd7 Nb5")
  ("A66" "Benoni: Mikenas Attack, 9.Nb5 dxe5 10.Nd6+" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 e5 Nfd7 Nb5 dxe5 Nd6+")
  ("A66" "Benoni: Mikenas Attack, 9.Nb5 dxe5 10.Nd6+ Ke7 11.Nxc8+" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 e5 Nfd7 Nb5 dxe5 Nd6+ Ke7 Nxc8+")
  ("A66" "Benoni: Mikenas Attack, 9.Nb5 dxe5 10.Nd6+ Ke7 11.Nxc8+ Qxc8 12.Nf3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 e5 Nfd7 Nb5 dxe5 Nd6+ Ke7 Nxc8+ Qxc8 Nf3")
  ("A67a" "Benoni: Four Pawns, Taimanov (Alatortsev) Variation" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Bb5+")
  ("A67b" "Benoni: Four Pawns, Taimanov, 8...Nbd7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Bb5+ Nbd7")
  ("A67c" "Benoni: Four Pawns, Taimanov, 8...Nbd7 9.e5 dxe5 10.fxe5 Nh5 11.e6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Bb5+ Nbd7 e5 dxe5 fxe5 Nh5 e6")
  ("A67d" "Benoni: Four Pawns, Taimanov, 8...Nfd7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Bb5+ Nfd7")
  ("A67e" "Benoni: Four Pawns, Taimanov, 9.Bd3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Bb5+ Nfd7 Bd3")
  ("A67f" "Benoni: Four Pawns, Taimanov, 9.Bd3 O-O" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Bb5+ Nfd7 Bd3 O-O")
  ("A67g" "Benoni: Four Pawns, Taimanov, 9.Bd3 O-O 10.Nf3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Bb5+ Nfd7 Bd3 O-O Nf3")
  ("A67h" "Benoni: Four Pawns, Taimanov, 9.Bd3 O-O 10.Nf3 a6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Bb5+ Nfd7 Bd3 O-O Nf3 a6")
  ("A67i" "Benoni: Four Pawns, Taimanov, 9.Bd3 O-O 10.Nf3 a6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Bb5+ Nfd7 Bd3 O-O Nf3 a6 a4")
  ("A67j" "Benoni: Four Pawns, Taimanov, 9.Bd3 O-O 10.Nf3 Na6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Bb5+ Nfd7 Bd3 O-O Nf3 Na6")
  ("A67k" "Benoni: Four Pawns, Taimanov, 9.a4 (Zaitsev)" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Bb5+ Nfd7 a4")
  ("A67l" "Benoni: Four Pawns, Taimanov, 9.a4 Qh4+" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Bb5+ Nfd7 a4 Qh4+")
  ("A67m" "Benoni: Four Pawns, Taimanov, 9.a4 a6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Bb5+ Nfd7 a4 a6")
  ("A67n" "Benoni: Four Pawns, Taimanov, 9.a4 a6 10.Bd3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Bb5+ Nfd7 a4 a6 Bd3")
  ("A67o" "Benoni: Four Pawns, Taimanov, 9.a4 a6 10.Be2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Bb5+ Nfd7 a4 a6 Be2")
  ("A67p" "Benoni: Four Pawns, Taimanov, 9.a4 O-O" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Bb5+ Nfd7 a4 O-O")
  ("A67q" "Benoni: Four Pawns, Taimanov, 9.a4 O-O 10.Nf3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Bb5+ Nfd7 a4 O-O Nf3")
  ("A67r" "Benoni: Four Pawns, Taimanov, 9.a4 O-O 10.Nf3 Na6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Bb5+ Nfd7 a4 O-O Nf3 Na6")
  ("A67s" "Benoni: Four Pawns, Taimanov, 9.a4 O-O 10.Nf3 Na6 11.O-O Nc7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Bb5+ Nfd7 a4 O-O Nf3 Na6 O-O Nc7")
  ("A68a" "Benoni: Four Pawns, 8.Nf3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3")
  ("A68a" "Benoni: Four Pawns, 8.Nf3 O-O" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O")
  ("A68b" "Benoni: Four Pawns, 9.Bd3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Bd3")
  ("A68c" "Benoni: Four Pawns, 9.Be2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2")
  ("A68d" "Benoni: Four Pawns, 9.Be2 b5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 b5")
  ("A68e" "Benoni: Four Pawns, 9.Be2 b5 10.e5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 b5 e5")
  ("A68f" "Benoni: Four Pawns, 9.Be2 b5 10.e5 dxe5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 b5 e5 dxe5")
  ("A68g" "Benoni: Four Pawns, 9.Be2 b5 10.e5 dxe5 11.fxe5 Ng4 12.Bg5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 b5 e5 dxe5 fxe5 Ng4 Bg5")
  ("A68h" "Benoni: Four Pawns, 9.Be2 Bg4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 Bg4")
  ("A68i" "Benoni: Four Pawns, 9.Be2 Bg4 10.e5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 Bg4 e5")
  ("A68j" "Benoni: Four Pawns, 9.Be2 Bg4 10.O-O" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 Bg4 O-O")
  ("A68k" "Benoni: Four Pawns, 9.Be2 Bg4 10.O-O Nbd7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 Bg4 O-O Nbd7")
  ("A68l" "Benoni: Four Pawns, 9.Be2 Bg4 10.O-O Nbd7 11.h3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 Bg4 O-O Nbd7 h3")
  ("A68m" "Benoni: Four Pawns, 9.Be2 Bg4 10.O-O Nbd7 11.h3 Bxf3 12.Bxf3 Re8" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 Bg4 O-O Nbd7 h3 Bxf3 Bxf3 Re8")
  ("A68n" "Benoni: Four Pawns, 9.Be2 Bg4 10.O-O Nbd7 11.h3 Bxf3 12.Bxf3 Re8 13.Re1" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 Bg4 O-O Nbd7 h3 Bxf3 Bxf3 Re8 Re1")
  ("A69a" "Benoni: Four Pawns, Main Line" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 Re8")
  ("A69b" "Benoni: Four Pawns, Main Line, 10.O-O" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 Re8 O-O")
  ("A69c" "Benoni: Four Pawns, Main Line, 10.Nd2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 Re8 Nd2")
  ("A69d" "Benoni: Four Pawns, Main Line, 10.Nd2 a6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 Re8 Nd2 a6")
  ("A69e" "Benoni: Four Pawns, Main Line, 10.Nd2 Nbd7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 Re8 Nd2 Nbd7")
  ("A69f" "Benoni: Four Pawns, Main Line, 10.e5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 Re8 e5")
  ("A69g" "Benoni: Four Pawns, Main Line, 10.e5: 12.O-O" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 Re8 e5 dxe5 fxe5 Ng4 O-O")
  ("A69h" "Benoni: Four Pawns, Main Line, 10.e5: 12.e6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 Re8 e5 dxe5 fxe5 Ng4 e6")
  ("A69i" "Benoni: Four Pawns, Main Line, 10.e5: 12.Bg5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 Re8 e5 dxe5 fxe5 Ng4 Bg5")
  ("A69j" "Benoni: Four Pawns, Main Line, 10.e5: 12.Bg5 f6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 Re8 e5 dxe5 fxe5 Ng4 Bg5 f6")
  ("A69k" "Benoni: Four Pawns, Main Line, 10.e5: 12.Bg5 Qb6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 Re8 e5 dxe5 fxe5 Ng4 Bg5 Qb6")
  ("A69l" "Benoni: Four Pawns, Main Line, 10.e5: 12.Bg5 Qb6 13.O-O Nxe5 14.Nxe5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 Re8 e5 dxe5 fxe5 Ng4 Bg5 Qb6 O-O Nxe5 Nxe5")
  ("A69m" "Benoni: Four Pawns, Main Line, 10.e5: 12.Bg5 Qb6 13.O-O Nxe5 14.d6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 f4 Bg7 Nf3 O-O Be2 Re8 e5 dxe5 fxe5 Ng4 Bg5 Qb6 O-O Nxe5 d6")
  ("A70a" "Benoni: Classical" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3")
  ("A70b" "Benoni: Classical, 7...a6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 a6")
  ("A70b" "Benoni: Classical, 7...a6 8.a4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 a6 a4")
  ("A70b" "Benoni: Classical, 7...a6 8.a4 Bg4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 a6 a4 Bg4")
  ("A70c" "Benoni: Classical, 7...a6 8.a4 Bg4 9.Be2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 a6 a4 Bg4 Be2")
  ("A70d" "Benoni: Classical, 7...Bg7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7")
  ("A70e" "Benoni: Classical, 8.Be2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2")
  ("A70e" "Benoni: Classical, 8.Be2 a6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 a6")
  ("A70f" "Benoni: Classical, 8.Qa4+" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Qa4+")
  ("A70f" "Benoni: Classical, 8.Qa4+ Bd7 9.Qb3 Qc7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Qa4+ Bd7 Qb3 Qc7")
  ("A70g" "Benoni: Classical, 8.Bf4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Bf4")
  ("A70g" "Benoni: Classical, 8.Bf4 O-O 9.Nd2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Bf4 O-O Nd2")
  ("A70h" "Benoni: Classical, 8.Bd3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Bd3")
  ("A70i" "Benoni: Classical, 8.Bd3 O-O 9.O-O" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Bd3 O-O O-O")
  ("A70j" "Benoni: Classical, 8.h3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 h3")
  ("A70k" "Benoni: Classical, 8.h3 O-O 9.Bd3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 h3 O-O Bd3")
  ("A70l" "Benoni: Classical, 8.h3 O-O 9.Bd3 Bd7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 h3 O-O Bd3 Bd7")
  ("A70m" "Benoni: Classical, 8.h3 O-O 9.Bd3 Na6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 h3 O-O Bd3 Na6")
  ("A70n" "Benoni: Classical, 8.h3 O-O 9.Bd3 Re8" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 h3 O-O Bd3 Re8")
  ("A70o" "Benoni: Classical, 8.h3 O-O 9.Bd3 Re8 10.O-O c4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 h3 O-O Bd3 Re8 O-O c4")
  ("A70p" "Benoni: Classical, 8.h3 O-O 9.Bd3 a6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 h3 O-O Bd3 a6")
  ("A70q" "Benoni: Classical, 8.h3 O-O 9.Bd3 a6 10.O-O b5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 h3 O-O Bd3 a6 O-O b5")
  ("A70r" "Benoni: Classical, 8.h3 O-O 9.Bd3 a6 10.a4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 h3 O-O Bd3 a6 a4")
  ("A70s" "Benoni: Classical, 8.h3 O-O 9.Bd3 a6 10.a4 Nbd7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 h3 O-O Bd3 a6 a4 Nbd7")
  ("A70t" "Benoni: Classical, 8.h3 O-O 9.Bd3 a6 10.a4 Nbd7 11.O-O Re8" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 h3 O-O Bd3 a6 a4 Nbd7 O-O Re8")
  ("A70u" "Benoni: Classical, 8.h3 O-O 9.Bd3 b5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 h3 O-O Bd3 b5")
  ("A70v" "Benoni: Classical, 8.h3 O-O 9.Bd3 b5 10.Bxb5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 h3 O-O Bd3 b5 Bxb5")
  ("A70w" "Benoni: Classical, 8.h3 O-O 9.Bd3 b5 10.Nxb5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 h3 O-O Bd3 b5 Nxb5")
  ("A70w" "Benoni: Classical, 8.h3 O-O 9.Bd3 b5 10.Nxb5 Nxe4"
   "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 h3 O-O Bd3 b5 Nxb5 Nxe4")
  ("A70x" "Benoni: Classical, 8.h3 O-O 9.Bd3 b5 10.Nxb5 Re8"
   "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 h3 O-O Bd3 b5 Nxb5 Re8")
  ("A70y" "Benoni: Classical, 8.h3 O-O 9.Bd3 b5 10.Nxb5 Re8 11.O-O Nxe4"
   "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 h3 O-O Bd3 b5 Nxb5 Re8 O-O Nxe4")
  ("A71" "Benoni: Classical, 8.Bg5"
   "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Bg5")
  ("A71" "Benoni: Classical, 8.Bg5 h6 9.Bh4 g5"
   "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Bg5 h6 Bh4 g5")
  ("A71" "Benoni: Classical, 8.Bg5 h6 9.Bh4 a6"
   "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Bg5 h6 Bh4 a6")
  ("A71" "Benoni: Classical, 8.Bg5 h6 9.Bh4 a6 10.Nd2"
   "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Bg5 h6 Bh4 a6 Nd2")
  ("A71" "Benoni: Classical, 8.Bg5 h6 9.Bh4 a6 10.Nd2 b5 11.Be2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Bg5 h6 Bh4 a6 Nd2 b5 Be2")
  ("A72" "Benoni: Classical, 8.Be2 O-O" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O")
  ("A72" "Benoni: Classical, 8.Be2 O-O 9.Nd2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O Nd2")
  ("A72" "Benoni: Classical, 8.Be2 O-O 9.Bg5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O Bg5")
  ("A72" "Benoni: Classical, 8.Be2 O-O 9.Bg5 h6 10.Bh4 g5 11.Bg3 Nh5 12.Nd2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O Bg5 h6 Bh4 g5 Bg3 Nh5 Nd2")
  ("A72" "Benoni: Classical, 8.Be2 O-O 9.Bf4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O Bf4")
  ("A72" "Benoni: Classical, 8.Be2 O-O 9.Bf4 b5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O Bf4 b5")
  ("A72" "Benoni: Classical, 8.Be2 O-O 9.Bf4 a6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O Bf4 a6")
  ("A73" "Benoni: Classical, 9.O-O" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O")
  ("A73" "Benoni: Classical, 9.O-O Nbd7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Nbd7")
  ("A73" "Benoni: Classical, 9.O-O Na6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Na6")
  ("A73" "Benoni: Classical, 9.O-O Na6 10.Nd2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Na6 Nd2")
  ("A73" "Benoni: Classical, 9.O-O Na6 10.Nd2 Nc7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Na6 Nd2 Nc7")
  ("A73" "Benoni: Classical, 9.O-O Bg4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Bg4")
  ("A73" "Benoni: Classical, 9.O-O Bg4 10.Bg5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Bg4 Bg5")
  ("A73" "Benoni: Classical, 9.O-O Bg4 10.Bf4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Bg4 Bf4")
  ("A73" "Benoni: Classical, 9.O-O Bg4 10.h3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Bg4 h3")
  ("A73" "Benoni: Classical, 9.O-O a6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O a6")
  ("A74" "Benoni: Classical, 9.O-O a6 10.a4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O a6 a4")
  ("A74" "Benoni: Classical, 9.O-O a6 10.a4 Nbd7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O a6 a4 Nbd7")
  ("A74" "Benoni: Classical, 9.O-O a6 10.a4 Nbd7 11.Nd2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O a6 a4 Nbd7 Nd2")
  ("A74" "Benoni: Classical, 9.O-O a6 10.a4 Nbd7 11.Bg5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O a6 a4 Nbd7 Bg5")
  ("A74" "Benoni: Classical, 9.O-O a6 10.a4 Nbd7 11.Bf4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O a6 a4 Nbd7 Bf4")
  ("A74" "Benoni: Classical, 9.O-O a6 10.a4 Nbd7 11.Bf4 Qe7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O a6 a4 Nbd7 Bf4 Qe7")
  ("A75" "Benoni: Classical, 9.O-O a6 10.a4 Bg4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O a6 a4 Bg4")
  ("A75" "Benoni: Classical, 9.O-O a6 10.a4 Bg4 11.h3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O a6 a4 Bg4 h3")
  ("A75" "Benoni: Classical, 9.O-O a6 10.a4 Bg4 11.Nd2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O a6 a4 Bg4 Nd2")
  ("A75" "Benoni: Classical, 9.O-O a6 10.a4 Bg4 11.Bg5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O a6 a4 Bg4 Bg5")
  ("A75" "Benoni: Classical, 9.O-O a6 10.a4 Bg4 11.Bg5 h6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O a6 a4 Bg4 Bg5 h6")
  ("A75" "Benoni: Classical, 9.O-O a6 10.a4 Bg4 11.Bf4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O a6 a4 Bg4 Bf4")
  ("A75" "Benoni: Classical, 9.O-O a6 10.a4 Bg4 11.Bf4 Qe7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O a6 a4 Bg4 Bf4 Qe7")
  ("A75" "Benoni: Classical, 9.O-O a6 10.a4 Bg4 11.Bf4 Re8" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O a6 a4 Bg4 Bf4 Re8")
  ("A75" "Benoni: Classical, 9.O-O a6 10.a4 Bg4 11.Bf4 Re8 12.Nd2 Bxe2 13.Qxe2 Nh5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O a6 a4 Bg4 Bf4 Re8 Nd2 Bxe2 Qxe2 Nh5")
  ("A75" "Benoni: Classical, 9.O-O a6 10.a4 Bg4 11.Bf4 Bxf3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O a6 a4 Bg4 Bf4 Bxf3")
  ("A75" "Benoni: Classical, 9.O-O a6 10.a4 Bg4 11.Bf4 Bxf3 12.Bxf3 Qe7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O a6 a4 Bg4 Bf4 Bxf3 Bxf3 Qe7")
  ("A75" "Benoni: Classical, 9.O-O a6 10.a4 Bg4 11.Bf4 Bxf3 12.Bxf3 Qe7 13.Re1" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O a6 a4 Bg4 Bf4 Bxf3 Bxf3 Qe7 Re1")
  ("A75" "Benoni: Classical, 9.O-O a6 10.a4 Bg4 11.Bf4 Bxf3 12.Bxf3 Qe7 with 14.a5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O a6 a4 Bg4 Bf4 Bxf3 Bxf3 Qe7 Re1 Nbd7 a5")
  ("A76" "Benoni: Classical, Main Line" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8")
  ("A76" "Benoni: Classical, Main Line, 10.Qc2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Qc2")
  ("A76" "Benoni: Classical, Main Line, 10.Qc2 Bg4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Qc2 Bg4")
  ("A76" "Benoni: Classical, Main Line, 10.Qc2 Na6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Qc2 Na6")
  ("A76" "Benoni: Classical, Main Line, 10.Qc2 Na6 11.Bf4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Qc2 Na6 Bf4")
  ("A76" "Benoni: Classical, Main Line, 10.Qc2 Na6 11.Re1" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Qc2 Na6 Re1")
  ("A76" "Benoni: Classical, Main Line, 10.Qc2 Na6 11.Re1 Bg4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Qc2 Na6 Re1 Bg4")
  ("A77" "Benoni: Classical, Main Line, 10.Nd2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2")
  ("A77" "Benoni: Classical, Main Line, 10.Nd2 a6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 a6")
  ("A77" "Benoni: Classical, Main Line, 10.Nd2 Nbd7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Nbd7")
  ("A77" "Benoni: Classical, Main Line, 10.Nd2 Nbd7 11.a4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Nbd7 a4")
  ("A77" "Benoni: Classical, Main Line, 10.Nd2 Nbd7 11.a4 a6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Nbd7 a4 a6")
  ("A77" "Benoni: Classical, Main Line, 10.Nd2 Nbd7 11.a4 a6 12.Ra3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Nbd7 a4 a6 Ra3")
  ("A77" "Benoni: Classical, Main Line, 10.Nd2 Nbd7 11.a4 a6 12.Qc2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Nbd7 a4 a6 Qc2")
  ("A77" "Benoni: Classical, Main Line, 10.Nd2 Nbd7 11.a4 a6 12.h3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Nbd7 a4 a6 h3")
  ("A77" "Benoni: Classical, Main Line, 10.Nd2 Nbd7 11.a4 Ne5" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Nbd7 a4 Ne5")
  ("A77" "Benoni: Classical, Main Line, 10.Nd2 Nbd7 11.a4 Ne5 12.Ndb1" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Nbd7 a4 Ne5 Ndb1")
  ("A77" "Benoni: Classical, Main Line, 10.Nd2 Nbd7 11.a4 Ne5 12.Ra3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Nbd7 a4 Ne5 Ra3")
  ("A77" "Benoni: Classical, Main Line, 10.Nd2 Nbd7 11.a4 Ne5 12.Re1" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Nbd7 a4 Ne5 Re1")
  ("A77" "Benoni: Classical, Main Line, 10.Nd2 Nbd7 11.a4 Ne5 12.Qc2" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Nbd7 a4 Ne5 Qc2")
  ("A78" "Benoni: Classical, Main Line, 10.Nd2 Na6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Na6")
  ("A78" "Benoni: Classical, Main Line, 10.Nd2 Na6 11.Kh1" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Na6 Kh1")
  ("A78" "Benoni: Classical, Main Line, 10.Nd2 Na6 11.Rb1" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Na6 Rb1")
  ("A78" "Benoni: Classical, Main Line, 10.Nd2 Na6 11.Re1" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Na6 Re1")
  ("A78" "Benoni: Classical, Main Line, 10.Nd2 Na6 11.f4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Na6 f4")
  ("A78" "Benoni: Classical, Main Line, 10.Nd2 Na6 11.f4 Nc7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Na6 f4 Nc7")
  ("A79" "Benoni: Classical, Main Line, 10.Nd2 Na6 11.f3" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Na6 f3")
  ("A79" "Benoni: Classical, Main Line, 10.Nd2 Na6 11.f3 Nc7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Na6 f3 Nc7")
  ("A79" "Benoni: Classical, Main Line, 10.Nd2 Na6 11.f3 Nc7 12.a4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Na6 f3 Nc7 a4")
  ("A79" "Benoni: Classical, Main Line, 10.Nd2 Na6 11.f3 Nc7 12.a4 Nd7" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Na6 f3 Nc7 a4 Nd7")
  ("A79" "Benoni: Classical, Main Line, 10.Nd2 Na6 11.f3 Nc7 12.a4 b6" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Na6 f3 Nc7 a4 b6")
  ("A79" "Benoni: Classical, Main Line, 10.Nd2 Na6 11.f3 Nc7 12.a4 b6 13.Kh1" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Na6 f3 Nc7 a4 b6 Kh1")
  ("A79" "Benoni: Classical, Main Line, 10.Nd2 Na6 11.f3 Nc7 12.a4 b6 13.Nc4" "d4 Nf6 c4 c5 d5 e6 Nc3 exd5 cxd5 d6 e4 g6 Nf3 Bg7 Be2 O-O O-O Re8 Nd2 Na6 f3 Nc7 a4 b6 Nc4")
  ("A80a" "Dutch" "d4 f5")
  ("A80b" "Dutch: Krejcik Gambit" "d4 f5 g4")
  ("A80b" "Dutch: Krejcik Gambit Accepted" "d4 f5 g4 fxg4")
  ("A80c" "Dutch: Korchnoi Attack" "d4 f5 h3")
  ("A80c" "Dutch: Korchnoi, Janzen Gambit" "d4 f5 h3 Nf6 g4")
  ("A80d" "Dutch: 2.Bg5" "d4 f5 Bg5")
  ("A80d" "Dutch: 2.Bg5 d5" "d4 f5 Bg5 d5")
  ("A80d" "Dutch: 2.Bg5 c6" "d4 f5 Bg5 c6")
  ("A80e" "Dutch: 2.Bg5 Nf6" "d4 f5 Bg5 Nf6")
  ("A80f" "Dutch: 2.Bg5 h6" "d4 f5 Bg5 h6")
  ("A80g" "Dutch: 2.Bg5 g6" "d4 f5 Bg5 g6")
  ("A80h" "Dutch: 2.Bg5 g6 3.Nc3" "d4 f5 Bg5 g6 Nc3")
  ("A80i" "Dutch: Alapin" "d4 f5 Qd3")
  ("A80i" "Dutch: Alapin, Manhattan Gambit" "d4 f5 Qd3 d6 g4")
  ("A80i" "Dutch: Von Pretzel Gambit" "d4 f5 Qd3 e6 g4")
  ("A80j" "Dutch: 2.Nc3" "d4 f5 Nc3")
  ("A80k" "Dutch: 2.Nc3 d5" "d4 f5 Nc3 d5")
  ("A80k" "Dutch: 2.Nc3 d5, Euwe Gambit" "d4 f5 Nc3 d5 e4")
  ("A80l" "Dutch: 2.Nc3 d5 3.Bg5" "d4 f5 Nc3 d5 Bg5")
  ("A80m" "Dutch: 2.Nc3 Nf6" "d4 f5 Nc3 Nf6")
  ("A80m" "Dutch: Spielmann Gambit" "d4 f5 Nc3 Nf6 g4")
  ("A80n" "Dutch: 2.Nc3 Nf6 3.Bg5" "d4 f5 Nc3 Nf6 Bg5")
  ("A80n" "Dutch: 2.Nc3 Nf6 3.Bg5 e6" "d4 f5 Nc3 Nf6 Bg5 e6")
  ("A80o" "Dutch: 2.Nc3 Nf6 3.Bg5 d5" "d4 f5 Nc3 Nf6 Bg5 d5")
  ("A80p" "Dutch: 2.Nc3 Nf6 3.Bg5 d5 4.Bxf6 exf6" "d4 f5 Nc3 Nf6 Bg5 d5 Bxf6 exf6")
  ("A80p" "Dutch: 2.Nc3 Nf6 3.Bg5 d5 4.Bxf6 exf6 5.e3" "d4 f5 Nc3 Nf6 Bg5 d5 Bxf6 exf6 e3")
  ("A80p" "Dutch: 2.Nc3 Nf6 3.Bg5 d5 4.Bxf6 exf6 5.e3 c6" "d4 f5 Nc3 Nf6 Bg5 d5 Bxf6 exf6 e3 c6")
  ("A80q" "Dutch: 2.Nf3" "d4 f5 Nf3")
  ("A80r" "Dutch: 2.Nf3 e6" "d4 f5 Nf3 e6")
  ("A80s" "Dutch: 2.Nf3 e6 3.d5" "d4 f5 Nf3 e6 d5")
  ("A80t" "Dutch: 2.Nf3 Nf6" "d4 f5 Nf3 Nf6")
  ("A80u" "Dutch: Barcza System" "d4 f5 Nf3 Nf6 c3")
  ("A80v" "Dutch: 2.Nf3 Nf6 3.Bg5" "d4 f5 Nf3 Nf6 Bg5")
  ("A81" "Dutch: 2.g3" "d4 f5 g3")
  ("A81" "Dutch: 2.g3 e6" "d4 f5 g3 e6")
  ("A81" "Dutch: 2.g3 e6 3.Nf3" "d4 f5 g3 e6 Nf3")
  ("A81" "Dutch: 2.g3 e6 3.Nf3 Nf6" "d4 f5 g3 e6 Nf3 Nf6")
  ("A81" "Dutch: 2.g3 Nf6" "d4 f5 g3 Nf6")
  ("A81" "Dutch: 2.g3 Nf6 3.Nf3" "d4 f5 g3 Nf6 Nf3")
  ("A81" "Dutch: 2.g3 Nf6 3.Bg2" "d4 f5 g3 Nf6 Bg2")
  ("A81" "Dutch: 2.g3 Nf6 3.Bg2 e6" "d4 f5 g3 Nf6 Bg2 e6")
  ("A81" "Dutch: Blackburne Variation" "d4 f5 g3 Nf6 Bg2 e6 Nh3")
  ("A81" "Dutch: 2.g3 Nf6 3.Bg2 g6" "d4 f5 g3 Nf6 Bg2 g6")
  ("A81" "Dutch: 2.g3 Nf6 3.Bg2 g6 4.Nf3" "d4 f5 g3 Nf6 Bg2 g6 Nf3")
  ("A81" "Dutch: Leningrad, Basman Variation" "d4 f5 g3 g6 Bg2 Bg7 Nf3 c6 O-O Nh6")
  ("A81" "Dutch: Leningrad, Carlsbad Variation" "d4 f5 g3 g6 Bg2 Bg7 Nh3")
  ("A82" "Dutch: Staunton Gambit" "d4 f5 e4")
  ("A82" "Dutch: Staunton Gambit, Balogh Defence" "d4 f5 e4 d6")
  ("A82" "Dutch: Staunton Gambit Accepted" "d4 f5 e4 fxe4")
  ("A82" "Dutch: Staunton Gambit, 3.Nc3" "d4 f5 e4 fxe4 Nc3")
  ("A82" "Dutch: Staunton Gambit, 3.Nc3 e6" "d4 f5 e4 fxe4 Nc3 e6")
  ("A82" "Dutch: Staunton Gambit, 3.Nc3 g6" "d4 f5 e4 fxe4 Nc3 g6")
  ("A82" "Dutch: Staunton Gambit, 3.Nc3 Nf6" "d4 f5 e4 fxe4 Nc3 Nf6")
  ("A82" "Dutch: Staunton Gambit, Tartakower Variation" "d4 f5 e4 fxe4 Nc3 Nf6 g4")
  ("A82" "Dutch: Staunton Gambit, 4.f3" "d4 f5 e4 fxe4 Nc3 Nf6 f3")
  ("A82" "Dutch: Staunton Gambit, 4.f3 e6" "d4 f5 e4 fxe4 Nc3 Nf6 f3 e6")
  ("A82" "Dutch: Staunton Gambit, 4.f3 Nc6" "d4 f5 e4 fxe4 Nc3 Nf6 f3 Nc6")
  ("A82" "Dutch: Staunton Gambit, 4.f3 exf3" "d4 f5 e4 fxe4 Nc3 Nf6 f3 exf3")
  ("A82" "Dutch: Staunton Gambit, 4.f3 exf3 5.Nxf3"
   "d4 f5 e4 fxe4 Nc3 Nf6 f3 exf3 Nxf3")
  ("A82" "Dutch: Staunton Gambit, 4.f3 d5" "d4 f5 e4 fxe4 Nc3 Nf6 f3 d5")
  ("A82" "Dutch: Staunton Gambit, 4.f3 d5 5.fxe4" "d4 f5 e4 fxe4 Nc3 Nf6 f3 d5 fxe4")
  ("A83a" "Dutch: Staunton Gambit, Staunton Variation" "d4 f5 e4 fxe4 Nc3 Nf6 Bg5")
  ("A83b" "Dutch: Staunton Gambit, Nimzowitsch Variation" "d4 f5 e4 fxe4 Nc3 Nf6 Bg5 b6")
  ("A83c" "Dutch: Staunton Gambit, Chigorin Variation" "d4 f5 e4 fxe4 Nc3 Nf6 Bg5 c6")
  ("A83d" "Dutch: Staunton Gambit, 4.Bg5 g6" "d4 f5 e4 fxe4 Nc3 Nf6 Bg5 g6")
  ("A83e" "Dutch: Staunton Gambit, Alekhine Variation" "d4 f5 e4 fxe4 Nc3 Nf6 Bg5 g6 h4")
  ("A83f" "Dutch: Staunton Gambit, Lasker Variation" "d4 f5 e4 fxe4 Nc3 Nf6 Bg5 g6 f3")
  ("A83g" "Dutch: Staunton Gambit, 4.Bg5 e6" "d4 f5 e4 fxe4 Nc3 Nf6 Bg5 e6")
  ("A83h" "Dutch: Staunton Gambit, 4.Bg5 e6 5.Nxe4" "d4 f5 e4 fxe4 Nc3 Nf6 Bg5 e6 Nxe4")
  ("A83i" "Dutch: Staunton Gambit, 4.Bg5 e6 5.Nxe4" "d4 f5 e4 fxe4 Nc3 Nf6 Bg5 e6 Nxe4 Be7 Bxf6 Bxf6 Nf3")
  ("A83j" "Dutch: Staunton Gambit, 4.Bg5 Nc6" "d4 f5 e4 fxe4 Nc3 Nf6 Bg5 Nc6")
  ("A83k" "Dutch: Staunton Gambit, 4.Bg5 Nc6 5.f3" "d4 f5 e4 fxe4 Nc3 Nf6 Bg5 Nc6 f3")
  ("A83l" "Dutch: Staunton Gambit, 4.Bg5 Nc6 5.d5"
   "d4 f5 e4 fxe4 Nc3 Nf6 Bg5 Nc6 d5")
  ("A83m" "Dutch: Staunton Gambit, 4.Bg5 Nc6 5.d5 Ne5 6.Qd4" "d4 f5 e4 fxe4 Nc3 Nf6 Bg5 Nc6 d5 Ne5 Qd4")
  ("A84" "Dutch: 2.c4" "d4 f5 c4")
  ("A84" "Dutch: 2.c4 d6" "d4 f5 c4 d6")
  ("A84" "Dutch: 2.c4 g6" "d4 f5 c4 g6")
  ("A84" "Dutch: Bladel Variation" "d4 f5 c4 g6 Nc3 Nh6")
  ("A84" "Dutch: 2.c4 e6" "d4 f5 c4 e6")
  ("A84" "Dutch: 2.c4 e6 3.Nf3" "d4 f5 c4 e6 Nf3")
  ("A84" "Dutch: 2.c4 e6 3.Nf3 Nf6" "d4 f5 c4 e6 Nf3 Nf6")
  ("A84" "Dutch: Rubinstein Variation" "d4 f5 c4 e6 Nc3")
  ("A84" "Dutch: Rubinstein, 3...d5" "d4 f5 c4 e6 Nc3 d5")
  ("A84" "Dutch: Rubinstein, 3...d5 4.e3 c6" "d4 f5 c4 e6 Nc3 d5 e3 c6")
  ("A84" "Dutch: Staunton Gambit Deferred" "d4 f5 c4 e6 e4")
  ("A84" "Dutch: 2.c4 Nf6" "d4 f5 c4 Nf6")
  ("A84" "Dutch: 2.c4 Nf6" "d4 f5 c4 Nf6 Nf3")
  ("A85" "Dutch: 2.c4 Nf6 3.Nc3" "d4 f5 c4 Nf6 Nc3")
  ("A85" "Dutch: 2.c4 Nf6 3.Nc3 d6" "d4 f5 c4 Nf6 Nc3 d6")
  ("A85" "Dutch: 2.c4 Nf6 3.Nc3 e6" "d4 f5 c4 Nf6 Nc3 e6")
  ("A85" "Dutch: 2.c4 Nf6 3.Nc3 e6 4.a3" "d4 f5 c4 Nf6 Nc3 e6 a3")
  ("A85" "Dutch: 2.c4 Nf6 3.Nc3 e6 4.Qc2" "d4 f5 c4 Nf6 Nc3 e6 Qc2")
  ("A85" "Dutch: 2.c4 Nf6 3.Nc3 e6 4.Bg5" "d4 f5 c4 Nf6 Nc3 e6 Bg5")
  ("A85" "Dutch: 2.c4 Nf6 3.Nc3 e6 4.e3" "d4 f5 c4 Nf6 Nc3 e6 e3")
  ("A85" "Dutch: 2.c4 Nf6 3.Nc3 e6 4.e3 d5" "d4 f5 c4 Nf6 Nc3 e6 e3 d5")
  ("A85" "Dutch: 2.c4 Nf6 3.Nc3 e6 4.e3 Bb4" "d4 f5 c4 Nf6 Nc3 e6 e3 Bb4")
  ("A85" "Dutch: 2.c4 Nf6 3.Nc3 e6 4.Nf3"
   "d4 f5 c4 Nf6 Nc3 e6 Nf3")
  ("A85" "Dutch: 2.c4 Nf6 3.Nc3 g6" "d4 f5 c4 Nf6 Nc3 g6")
  ("A85" "Dutch: 2.c4 Nf6 3.Nc3 g6 4.f3" "d4 f5 c4 Nf6 Nc3 g6 f3")
  ("A85" "Dutch: 2.c4 Nf6 3.Nc3 g6 4.Bg5" "d4 f5 c4 Nf6 Nc3 g6 Bg5")
  ("A85" "Dutch: 2.c4 Nf6 3.Nc3 g6 4.Nf3" "d4 f5 c4 Nf6 Nc3 g6 Nf3")
  ("A85" "Dutch: 2.c4 Nf6 3.Nc3 g6 4.Nf3 Bg7" "d4 f5 c4 Nf6 Nc3 g6 Nf3 Bg7")
  ("A85" "Dutch: 2.c4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.e3" "d4 f5 c4 Nf6 Nc3 g6 Nf3 Bg7 e3")
  ("A85" "Dutch: 2.c4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Bf4" "d4 f5 c4 Nf6 Nc3 g6 Nf3 Bg7 Bf4")
  ("A85" "Dutch: 2.c4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Bg5" "d4 f5 c4 Nf6 Nc3 g6 Nf3 Bg7 Bg5")
  ("A86" "Dutch: 2.c4 Nf6 3.g3" "d4 f5 c4 Nf6 g3")
  ("A86" "Dutch: 2.c4 Nf6 3.g3 d6" "d4 f5 c4 Nf6 g3 d6")
  ("A86" "Dutch: Hort-Antoshin System" "d4 f5 c4 Nf6 g3 d6 Bg2 c6 Nc3 Qc7")
  ("A86" "Dutch: Leningrad Variation" "d4 f5 c4 Nf6 g3 g6")
  ("A86" "Dutch: Leningrad, 4.Nc3" "d4 f5 c4 Nf6 g3 g6 Nc3")
  ("A86" "Dutch: Leningrad, 4.Nc3 Bg7" "d4 f5 c4 Nf6 g3 g6 Nc3 Bg7")
  ("A86" "Dutch: Leningrad, 4.Nf3" "d4 f5 c4 Nf6 g3 g6 Nf3")
  ("A86" "Dutch: Leningrad, 4.Nf3 Bg7" "d4 f5 c4 Nf6 g3 g6 Nf3 Bg7")
  ("A86" "Dutch: Leningrad, 4.Nf3 Bg7 5.Nc3" "d4 f5 c4 Nf6 g3 g6 Nf3 Bg7 Nc3")
  ("A86" "Dutch: Leningrad, 4.Bg2" "d4 f5 c4 Nf6 g3 g6 Bg2")
  ("A86" "Dutch: Leningrad, 4.Bg2 d6" "d4 f5 c4 Nf6 g3 g6 Bg2 d6")
  ("A86" "Dutch: Leningrad, 4.Bg2 Bg7" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7")
  ("A86" "Dutch: Leningrad, 4.Bg2 Bg7 5.Nh3" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nh3")
  ("A86" "Dutch: Leningrad, 4.Bg2 Bg7 5.Nc3" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nc3")
  ("A86" "Dutch: Leningrad, 4.Bg2 Bg7 5.Nc3 d6" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nc3 d6")
  ("A86" "Dutch: Leningrad, 4.Bg2 Bg7 5.Nc3 d6 6.Nh3" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nc3 d6 Nh3")
  ("A86" "Dutch: Leningrad, 4.Bg2 Bg7 5.Nc3 d6 6.d5" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nc3 d6 d5")
  ("A86" "Dutch: Leningrad, 4.Bg2 Bg7 5.Nc3 O-O" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nc3 O-O")
  ("A86" "Dutch: Leningrad, 4.Bg2 Bg7 5.Nc3 O-O 6.Nh3" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nc3 O-O Nh3")
  ("A87" "Dutch: Leningrad, Main Line" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3")
  ("A87" "Dutch: Leningrad, Main Line, 5...d6" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 d6")
  ("A87" "Dutch: Leningrad, Main Line, 5...d6 6.Nc3"
   "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 d6 Nc3")
  ("A87" "Dutch: Leningrad, Main Line, 5...O-O" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O")
  ("A87" "Dutch: Leningrad, Main Line, 6.Nc3" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O Nc3")
  ("A87" "Dutch: Leningrad, Main Line, 6.Nc3 d6" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O Nc3 d6")
  ("A87" "Dutch: Leningrad, Main Line, 6.O-O" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O")
  ("A87" "Dutch: Leningrad, Main Line, 6...c6" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O c6")
  ("A87" "Dutch: Leningrad, Main Line, 6...d6" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6")
  ("A87" "Dutch: Leningrad, Main Line, 7.b3" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 b3")
  ("A87" "Dutch: Leningrad, Main Line, 7.b3 c6" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 b3 c6")
  ("A87" "Dutch: Leningrad, Main Line, 7.d5" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 d5")
  ("A87" "Dutch: Leningrad, Main Line, 7.d5 c6" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 d5 c6")
  ("A87" "Dutch: Leningrad, Main Line, 7.d5 c5" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 d5 c5")
  ("A87" "Dutch: Leningrad, Main Line, 7.Nc3" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3")
  ("A87" "Dutch: Leningrad, Main Line, 7.Nc3 e6" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 e6")
  ("A87" "Dutch: Leningrad, Main Line, 7.Nc3 Na6" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 Na6")
  ("A87" "Dutch: Leningrad, Main Line, 7.Nc3 Qe8" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 Qe8")
  ("A87" "Dutch: Leningrad, Main Line, 7.Nc3 Qe8 8.Re1" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 Qe8 Re1")
  ("A87" "Dutch: Leningrad, Main Line, 7.Nc3 Qe8 8.Nd5" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 Qe8 Nd5")
  ("A87" "Dutch: Leningrad, Main Line, 7.Nc3 Qe8 8.b3" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 Qe8 b3")
  ("A87" "Dutch: Leningrad, Main Line, 7.Nc3 Qe8 8.d5" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 Qe8 d5")
  ("A87" "Dutch: Leningrad, Main Line, 7.Nc3 Qe8 8.d5 a5" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 Qe8 d5 a5")
  ("A87" "Dutch: Leningrad, Main Line, 7.Nc3 Qe8 8.d5 Na6" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 Qe8 d5 Na6")
  ("A87" "Dutch: Leningrad, Main Line, 7.Nc3 Qe8 8.d5 Na6 9.Rb1" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 Qe8 d5 Na6 Rb1")
  ("A88" "Dutch: Leningrad, Main Line, 7.Nc3 c6" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 c6")
  ("A88" "Dutch: Leningrad, Main Line, 7.Nc3 c6 8.Re1" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 c6 Re1")
  ("A88" "Dutch: Leningrad, Main Line, 7.Nc3 c6 8.Qc2" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 c6 Qc2")
  ("A88" "Dutch: Leningrad, Main Line, 7.Nc3 c6 8.b3"
   "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 c6 b3")
  ("A88" "Dutch: Leningrad, Main Line, 7.Nc3 c6 8.b3 Na6" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 c6 b3 Na6")
  ("A88" "Dutch: Leningrad, Main Line, 7.Nc3 c6 8.b3 Qe8" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 c6 b3 Qe8")
  ("A88" "Dutch: Leningrad, Main Line, 7.Nc3 c6 8.b3 Qa5" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 c6 b3 Qa5")
  ("A88" "Dutch: Leningrad, Main Line, 7.Nc3 c6 8.d5" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 c6 d5")
  ("A88" "Dutch: Leningrad, Main Line, 7.Nc3 c6 8.d5 cxd5" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 c6 d5 cxd5")
  ("A88" "Dutch: Leningrad, Main Line, 7.Nc3 c6 8.d5 Qe8" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 c6 d5 Qe8")
  ("A88" "Dutch: Leningrad, Main Line, 7.Nc3 c6 8.d5 Qa5" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 c6 d5 Qa5")
  ("A88" "Dutch: Leningrad, Main Line, 7.Nc3 c6 8.d5 Bd7" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 c6 d5 Bd7")
  ("A88" "Dutch: Leningrad, Main Line, 7.Nc3 c6 8.d5 e5" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 c6 d5 e5")
  ("A88" "Dutch: Leningrad, Main Line, 7.Nc3 c6 8.d5 e5 9.dxe6 Bxe6 10.b3" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 c6 d5 e5 dxe6 Bxe6 b3")
  ("A88" "Dutch: Leningrad, Main Line, 7.Nc3 c6 8.d5 e5 9.dxe6 Bxe6 10.Qd3" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 c6 d5 e5 dxe6 Bxe6 Qd3")
  ("A89" "Dutch: Leningrad, Main Line, 7.Nc3 Nc6" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 Nc6")
  ("A89" "Dutch: Leningrad, Main Line, 7.Nc3 Nc6 8.b3" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 Nc6 b3")
  ("A89" "Dutch: Leningrad, Main Line, 7.Nc3 Nc6 8.d5" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 Nc6 d5")
  ("A89" "Dutch: Leningrad, Main Line, 7.Nc3 Nc6 8.d5 Na5" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 Nc6 d5 Na5")
  ("A89" "Dutch: Leningrad, Main Line, 7.Nc3 Nc6 8.d5 Na5 9.Qd3" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 Nc6 d5 Na5 Qd3")
  ("A89" "Dutch: Leningrad, Main Line, 7.Nc3 Nc6 8.d5 Na5 9.Nd2" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 Nc6 d5 Na5 Nd2")
  ("A89" "Dutch: Leningrad, Main Line, 7.Nc3 Nc6 8.d5 Ne5" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 Nc6 d5 Ne5")
  ("A89" "Dutch: Leningrad, Main Line, 7.Nc3 Nc6 8.d5 Ne5 9.Nxe5" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 Nc6 d5 Ne5 Nxe5")
  ("A89" "Dutch: Leningrad, Main Line, 7.Nc3 Nc6 8.d5 Ne5 9.Nxe5 dxe5 10.Qb3" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 Nc6 d5 Ne5 Nxe5 dxe5 Qb3")
  ("A89" "Dutch: Leningrad, Main Line, 7.Nc3 Nc6 8.d5 Ne5 9.Nxe5 dxe5 10.e4" "d4 f5 c4 Nf6 g3 g6 Bg2 Bg7 Nf3 O-O O-O d6 Nc3 Nc6 d5 Ne5 Nxe5 dxe5 e4")
  ("A90" "Dutch: 2.c4 Nf6 3.g3 e6" "d4 f5 c4 Nf6 g3 e6")
  ("A90" "Dutch: 2.c4 Nf6 3.g3 e6 4.Nc3" "d4 f5 c4 Nf6 g3 e6 Nc3")
  ("A90" "Dutch: 2.c4 Nf6 3.g3 e6 4.Nc3 d5" "d4 f5 c4 Nf6 g3 e6 Nc3 d5")
  ("A90" "Dutch: 2.c4 Nf6 3.g3 e6 4.Nf3" "d4 f5 c4 Nf6 g3 e6 Nf3")
  ("A90" "Dutch: 2.c4 Nf6 3.g3 e6 4.Nf3 d5" "d4 f5 c4 Nf6 g3 e6 Nf3 d5")
  ("A90" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2" "d4 f5 c4 Nf6 g3 e6 Bg2")
  ("A90" "Dutch: Dutch-Indian (Nimzo-Dutch) Variation" "d4 f5 c4 Nf6 g3 e6 Bg2 Bb4+")
  ("A90" "Dutch: Dutch-Indian, 5.Nc3" "d4 f5 c4 Nf6 g3 e6 Bg2 Bb4+ Nc3")
  ("A90" "Dutch: Dutch-Indian, 5.Nd2" "d4 f5 c4 Nf6 g3 e6 Bg2 Bb4+ Nd2")
  ("A90" "Dutch: Dutch-Indian, 5.Bd2" "d4 f5 c4 Nf6 g3 e6 Bg2 Bb4+ Bd2")
  ("A90" "Dutch: Dutch-Indian, Alekhine Variation" "d4 f5 c4 Nf6 g3 e6 Bg2 Bb4+ Bd2 Be7")
  ("A90" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 d5" "d4 f5 c4 Nf6 g3 e6 Bg2 d5")
  ("A90" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 d5 5.Nh3" "d4 f5 c4 Nf6 g3 e6 Bg2 d5 Nh3")
  ("A90" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 d5 5.Nf3" "d4 f5 c4 Nf6 g3 e6 Bg2 d5 Nf3")
  ("A90" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 c6" "d4 f5 c4 Nf6 g3 e6 Bg2 c6")
  ("A90" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 c6 5.Nh3" "d4 f5 c4 Nf6 g3 e6 Bg2 c6 Nh3")
  ("A90" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 c6 5.Nf3" "d4 f5 c4 Nf6 g3 e6 Bg2 c6 Nf3")
  ("A90" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 c6 5.Nf3 d5" "d4 f5 c4 Nf6 g3 e6 Bg2 c6 Nf3 d5")
  ("A90" "Dutch: 2.c4 Nf6 3.g3 e6 5.Nf3 d5 6.Nc3" "d4 f5 c4 Nf6 g3 e6 Bg2 c6 Nf3 d5 Nc3")
  ("A90" "Dutch: 2.c4 Nf6 3.g3 e6 5.Nf3 d5 6.Qc2" "d4 f5 c4 Nf6 g3 e6 Bg2 c6 Nf3 d5 Qc2")
  ("A90" "Dutch: 2.c4 Nf6 3.g3 e6 5.Nf3 d5 6.Qc2 Bd6" "d4 f5 c4 Nf6 g3 e6 Bg2 c6 Nf3 d5 Qc2 Bd6")
  ("A90" "Dutch: 2.c4 Nf6 3.g3 e6 5.Nf3 d5 6.O-O" "d4 f5 c4 Nf6 g3 e6 Bg2 c6 Nf3 d5 O-O")
  ("A90" "Dutch: 2.c4 Nf6 3.g3 e6 5.Nf3 d5 6.O-O Bd6" "d4 f5 c4 Nf6 g3 e6 Bg2 c6 Nf3 d5 O-O Bd6")
  ("A90" "Dutch: 2.c4 Nf6 3.g3 e6 5.Nf3 d5 6.O-O Bd6 7.b3" "d4 f5 c4 Nf6 g3 e6 Bg2 c6 Nf3 d5 O-O Bd6 b3")
  ("A91" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7")
  ("A91" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nh3" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nh3")
  ("A91" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nh3 O-O 6.O-O" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nh3 O-O O-O")
  ("A91" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nh3 O-O 6.O-O d6" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nh3 O-O O-O d6")
  ("A91" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nh3 O-O 6.O-O d6 7.Nc3" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nh3 O-O O-O d6 Nc3")
  ("A91" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nh3 O-O 6.O-O d6 7.Nc3 c6" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nh3 O-O O-O d6 Nc3 c6")
  ("A91" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nh3 O-O 6.O-O d6 7.Nc3 Qe8" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nh3 O-O O-O d6 Nc3 Qe8")
  ("A91" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nc3" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nc3")
  ("A91" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nc3 d5" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nc3 d5")
  ("A91" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nc3 O-O" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nc3 O-O")
  ("A91" "Dutch: Botvinnik-Bronstein Variation" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nc3 O-O e3")
  ("A91" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3")
  ("A91" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 d6" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 d6")
  ("A91" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 d6 6.Nc3" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 d6 Nc3")
  ("A91" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 d5" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 d5")
  ("A91" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 d5 6.O-O"
   "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 d5 O-O")
  ("A91" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 d5 6.O-O c6" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 d5 O-O c6")
  ("A92" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O")
  ("A92" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.d5" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O d5")
  ("A92" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.Nc3" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O Nc3")
  ("A92" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.Nc3 d6" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O Nc3 d6")
  ("A92" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O")
  ("A92" "Dutch: Alekhine Variation" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O Ne4")
  ("A92" "Dutch: Alekhine, 7.d5" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O Ne4 d5")
  ("A92" "Dutch: Alekhine, 7.Nbd2" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O Ne4 Nbd2")
  ("A92" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O c6" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O c6")
  ("A92" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O c6 7.b3" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O c6 b3")
  ("A92" "Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O c6 7.b3 a5" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O c6 b3 a5")
  ("A92" "Dutch: Stonewall Variation" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5")
  ("A92" "Dutch: Stonewall, 7.Nbd2" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 Nbd2")
  ("A92" "Dutch: Stonewall, 7.Nbd2 c6" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 Nbd2 c6")
  ("A92" "Dutch: Stonewall, 7.Qc2" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 Qc2")
  ("A92" "Dutch: Stonewall, 7.Qc2 c6" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 Qc2 c6")
  ("A92" "Dutch: Stonewall, 7.Qc2 c6 8.Nbd2" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 Qc2 c6 Nbd2")
  ("A93" "Dutch: Stonewall, Botvinnik Variation" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 b3")
  ("A93" "Dutch: Stonewall, Botvinnik, 7...b6" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 b3 b6")
  ("A93" "Dutch: Stonewall, Botvinnik, 7...Nc6" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 b3 Nc6")
  ("A93" "Dutch: Stonewall, Botvinnik, 7...c6" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 b3 c6")
  ("A93" "Dutch: Stonewall, Botvinnik, 8.Bb2" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 b3 c6 Bb2")
  ("A93" "Dutch: Stonewall, Botvinnik, 8.Qc2" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 b3 c6 Qc2")
  ("A93" "Dutch: Stonewall, Botvinnik, 8.Qc2 Ne4" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 b3 c6 Qc2 Ne4")
  ("A94" "Dutch: Stonewall, Botvinnik, 8.Ba3" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 b3 c6 Ba3")
  ("A94" "Dutch: Stonewall, Botvinnik, 8.Ba3 Bd7"
   "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 b3 c6 Ba3 Bd7")
  ("A94" "Dutch: Stonewall, Botvinnik, 8.Ba3 Nbd7" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 b3 c6 Ba3 Nbd7")
  ("A94" "Dutch: Stonewall, Botvinnik, 8.Ba3 Nbd7 9.Bxe7" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 b3 c6 Ba3 Nbd7 Bxe7")
  ("A94" "Dutch: Stonewall, Botvinnik, 8.Ba3 Bxa3" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 b3 c6 Ba3 Bxa3")
  ("A94" "Dutch: Stonewall, Botvinnik, 8.Ba3 Bxa3 9.Nxa3" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 b3 c6 Ba3 Bxa3 Nxa3")
  ("A94" "Dutch: Stonewall, Botvinnik, 8.Ba3 Bxa3 9.Nxa3 Nbd7" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 b3 c6 Ba3 Bxa3 Nxa3 Nbd7")
  ("A94" "Dutch: Stonewall, Botvinnik, 8.Ba3 Bxa3 9.Nxa3 Qe7" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 b3 c6 Ba3 Bxa3 Nxa3 Qe7")
  ("A94" "Dutch: Stonewall, Botvinnik, 8.Ba3 Bxa3 9.Nxa3 Qe7 10.Qc1"
   "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 b3 c6 Ba3 Bxa3 Nxa3 Qe7 Qc1")
  ("A92" "Dutch: Stonewall, 7.Nc3"
   "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 Nc3")
  ("A95" "Dutch: Stonewall, 7.Nc3 c6"
   "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 Nc3 c6")
  ("A95" "Dutch: Stonewall, 7.Nc3 c6 8.Ne5"
   "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 Nc3 c6 Ne5")
  ("A95" "Dutch: Stonewall, 7.Nc3 c6 8.Bf4"
   "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 Nc3 c6 Bf4")
  ("A95" "Dutch: Stonewall, 7.Nc3 c6 8.Bg5"
   "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 Nc3 c6 Bg5")
  ("A95" "Dutch: Stonewall, 7.Nc3 c6 8.Qc2"
   "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 Nc3 c6 Qc2")
  ("A95" "Dutch: Stonewall: Chekhover Variation"
   "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 Nc3 c6 Qc2 Qe8 Bg5")
  ("A95" "Dutch: Stonewall, 7.Nc3 c6 8.b3" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 Nc3 c6 b3")
  ("A95" "Dutch: Stonewall, 7.Nc3 c6 8.b3 Qe8" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d5 Nc3 c6 b3 Qe8")
  ("A96" "Dutch: Classical" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6")
  ("A96" "Dutch: Classical, 7.b3"
   "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 b3")
  ("A96" "Dutch: Classical, 7.b3 a5" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 b3 a5")
  ("A96" "Dutch: Classical, 7.b3 a5 8.Bb2" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 b3 a5 Bb2")
  ("A96" "Dutch: Classical, 7.b3 Qe8" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 b3 Qe8")
  ("A96" "Dutch: Classical, 7.b3 Qe8 8.Bb2" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 b3 Qe8 Bb2")
  ("A96" "Dutch: Classical, 7.Nc3" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3")
  ("A96" "Dutch: Classical, 7.Nc3 a5" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 a5")
  ("A96" "Dutch: Classical, 7.Nc3 a5 8.Qc2" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 a5 Qc2")
  ("A96" "Dutch: Classical, 7.Nc3 a5 8.Re1" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 a5 Re1")
  ("A96" "Dutch: Classical, 7.Nc3 a5 8.b3" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 a5 b3")
  ("A97" "Dutch: Ilyin-Zhenevsky Variation" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8")
  ("A97" "Dutch: Ilyin-Zhenevsky, 8.b4" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 b4")
  ("A97" "Dutch: Ilyin-Zhenevsky, Winter Variation" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 Re1")
  ("A97" "Dutch: Ilyin-Zhenevsky, Winter, 8...Ne4" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 Re1 Ne4")
  ("A97" "Dutch: Ilyin-Zhenevsky, Winter, 8...Qh5" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 Re1 Qh5")
  ("A97" "Dutch: Ilyin-Zhenevsky, Winter, 8...Qg6" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 Re1 Qg6")
  ("A97" "Dutch: Ilyin-Zhenevsky, Winter, 8...Qg6 9.e4" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 Re1 Qg6 e4")
  ("A97" "Dutch: Ilyin-Zhenevsky, Winter, 8...Qg6 9.e4 fxe4" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 Re1 Qg6 e4 fxe4")
  ("A98" "Dutch: Ilyin-Zhenevsky, 8.Qc2" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 Qc2")
  ("A98" "Dutch: Ilyin-Zhenevsky, 8.Qc2 Nc6" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 Qc2 Nc6")
  ("A98" "Dutch: Ilyin-Zhenevsky, 8.Qc2 Qh5" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 Qc2 Qh5")
  ("A99" "Dutch: Ilyin-Zhenevsky, 8.b3"
   "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 b3")
  ("A99" "Dutch: Ilyin-Zhenevsky, 8.b3 c6"
   "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 b3 c6")
  ("A99" "Dutch: Ilyin-Zhenevsky, 8.b3 Nc6"
   "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 b3 Nc6")
  ("A99" "Dutch: Ilyin-Zhenevsky, 8.b3 Nbd7"
   "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 b3 Nbd7")
  ("A99" "Dutch: Ilyin-Zhenevsky, 8.b3 Qh5"
   "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 b3 Qh5")
  ("A99" "Dutch: Ilyin-Zhenevsky, 8.b3 Qh5 9.Bb2"
   "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 b3 Qh5 Bb2")
  ("A99" "Dutch: Ilyin-Zhenevsky, 8.b3 a5"
   "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 b3 a5")
  ("A99" "Dutch: Ilyin-Zhenevsky, 8.b3 a5 9.Qc2"
   "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 b3 a5 Qc2")
  ("A99" "Dutch: Ilyin-Zhenevsky, 8.b3 a5 9.Ba3"
   "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 b3 a5 Ba3")
  ("A99" "Dutch: Ilyin-Zhenevsky, 8.b3 a5 9.Bb2"
   "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 b3 a5 Bb2")
  ("A99" "Dutch: Ilyin-Zhenevsky, 8.b3 a5 9.Bb2 c6"
   "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 b3 a5 Bb2 c6")
  ("A99" "Dutch: Ilyin-Zhenevsky, 8.b3 a5 9.Bb2 Na6" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 b3 a5 Bb2 Na6")
  ("A99" "Dutch: Ilyin-Zhenevsky, 8.b3 a5 9.Bb2 Qh5" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 b3 a5 Bb2 Qh5")
  ("A99" "Dutch: Ilyin-Zhenevsky, 8.b3 a5 9.Bb2 Qh5 10.e3" "d4 f5 c4 Nf6 g3 e6 Bg2 Be7 Nf3 O-O O-O d6 Nc3 Qe8 b3 a5 Bb2 Qh5 e3")
  ("B00a" "King's Pawn" "e4")
  ("B00a" "King's Pawn: Hippopotamus Defence" "e4 Nh6 d4 g6 c4 f6")
  ("B00a" "King's Pawn: Fred" "e4 f5")
  ("B00b" "Reversed Grob (Borg/Basman Defence)" "e4 g5")
  ("B00b" "Reversed Grob (Borg/Basman Defence)" "e4 g5 d4")
  ("B00c" "St. George Defence" "e4 a6")
  ("B00c" "St. George Defence" "e4 a6 d4")
  ("B00c" "Basman's Creepy-Crawly System (as Black)" "e4 a6 d4 h6")
  ("B00d" "Owen Defence" "e4 b6")
  ("B00d" "Owen Defence" "e4 b6 d4")
  ("B00e" "Owen Defence: French" "e4 b6 d4 e6")
  ("B00f" "Owen Defence: 2.d4 Bb7" "e4 b6 d4 Bb7")
  ("B00f" "Owen Defence: Naselwaus Gambit" "e4 b6 d4 Bb7 Bg5")
  ("B00f" "Owen Defence: Smith Gambit" "e4 b6 d4 Bb7 Nf3")
  ("B00g" "Owen Defence: 3.Bd3" "e4 b6 d4 Bb7 Bd3")
  ("B00g" "Owen Defence: Matinovsky Gambit" "e4 b6 d4 Bb7 Bd3 f5")
  ("B00h" "Owen Defence: 3.Bd3 Nf6" "e4 b6 d4 Bb7 Bd3 Nf6")
  ("B00i" "Owen Defence: 3.Bd3 e6" "e4 b6 d4 Bb7 Bd3 e6")
  ("B00j" "Owen Defence: 3.Bd3 e6 4.Nf3" "e4 b6 d4 Bb7 Bd3 e6 Nf3")
  ("B00k" "Owen Defence: 3.Bd3 e6 4.Nf3 c5" "e4 b6 d4 Bb7 Bd3 e6 Nf3 c5")
  ("B00k" "Owen Defence: 3.Bd3 e6 4.Nf3 c5 5.c3" "e4 b6 d4 Bb7 Bd3 e6 Nf3 c5 c3")
  ("B00l" "Nimzowitsch Defence" "e4 Nc6")
  ("B00l" "Nimzowitsch Defence: Wheeler Gambit" "e4 Nc6 b4")
  ("B00m" "Nimzowitsch Defence: 2.Nc3" "e4 Nc6 Nc3")
  ("B00m" "Nimzowitsch Defence: 2.Nc3 Nf6" "e4 Nc6 Nc3 Nf6")
  ("B00m" "Nimzowitsch Defence: 2.Nc3 e6" "e4 Nc6 Nc3 e6")
  ("B00n" "Nimzowitsch Defence: 2.Nf3" "e4 Nc6 Nf3")
  ("B00n" "Nimzowitsch Defence: Colorado Counter" "e4 Nc6 Nf3 f5")
  ("B00o" "Nimzowitsch Defence: 2.Nf3 d6" "e4 Nc6 Nf3 d6")
  ("B00o" "Nimzowitsch Defence: 2.Nf3 d6 3.d4" "e4 Nc6 Nf3 d6 d4")
  ("B00o" "Nimzowitsch Defence: 2.Nf3 d6 3.d4 Bg4" "e4 Nc6 Nf3 d6 d4 Bg4")
  ("B00p" "Nimzowitsch Defence: 2.Nf3 d6 3.d4 Nf6" "e4 Nc6 Nf3 d6 d4 Nf6")
  ("B00q" "Nimzowitsch Defence: 2.Nf3 d6 3.d4 Nf6 4.Nc3" "e4 Nc6 Nf3 d6 d4 Nf6 Nc3")
  ("B00q" "Nimzowitsch Defence: 2.Nf3 d6 3.d4 Nf6 4.Nc3 g6" "e4 Nc6 Nf3 d6 d4 Nf6 Nc3 g6")
  ("B00r" "Nimzowitsch Defence: 2.Nf3 d6 3.d4 Nf6 4.Nc3 Bg4" "e4 Nc6 Nf3 d6 d4 Nf6 Nc3 Bg4")
  ("B00r" "Nimzowitsch Defence: 2.Nf3 d6 3.d4 Nf6 4.Nc3 Bg4 5.d5" "e4 Nc6 Nf3 d6 d4 Nf6 Nc3 Bg4 d5")
  ("B00r" "Nimzowitsch Defence: 2.Nf3 d6 3.d4 Nf6 4.Nc3 Bg4 5.Bb5"
   "e4 Nc6 Nf3 d6 d4 Nf6 Nc3 Bg4 Bb5")
  ("B00r" "Nimzowitsch Defence: 2.Nf3 d6 3.d4 Nf6 4.Nc3 Bg4 5.Be2"
   "e4 Nc6 Nf3 d6 d4 Nf6 Nc3 Bg4 Be2")
  ("B00s" "Nimzowitsch Defence: 2.Nf3 d6 3.d4 Nf6 4.Nc3 Bg4 5.Be3" "e4 Nc6 Nf3 d6 d4 Nf6 Nc3 Bg4 Be3")
  ("B00t" "Nimzowitsch Defence: 2.d4" "e4 Nc6 d4")
  ("B00t" "Nimzowitsch Defence: 2.d4 d6" "e4 Nc6 d4 d6")
  ("B00t" "Nimzowitsch Defence: 2.d4 d6 3.Nc3" "e4 Nc6 d4 d6 Nc3")
  ("B00u" "Nimzowitsch Defence: 2.d4 e5" "e4 Nc6 d4 e5")
  ("B00u" "Nimzowitsch Defence: 2.d4 e5 3.dxe5" "e4 Nc6 d4 e5 dxe5")
  ("B00u" "Nimzowitsch Defence: Bielefelder Gambit" "e4 Nc6 d4 e5 dxe5 Bc5")
  ("B00u" "Nimzowitsch Defence: 2.d4 e5 3.d5" "e4 Nc6 d4 e5 d5")
  ("B00v" "Nimzowitsch Defence: 2.d4 d5" "e4 Nc6 d4 d5")
  ("B00v" "Nimzowitsch Defence: 2.d4 d5 3.exd5" "e4 Nc6 d4 d5 exd5")
  ("B00v" "Nimzowitsch Defence: Aachen Gambit" "e4 Nc6 d4 d5 exd5 Nb4")
  ("B00v" "Nimzowitsch Defence: 2.d4 d5 3.exd5 Qxd5" "e4 Nc6 d4 d5 exd5 Qxd5")
  ("B00v" "Nimzowitsch Defence: Marshall Gambit" "e4 Nc6 d4 d5 exd5 Qxd5 Nc3")
  ("B00v" "Nimzowitsch Defence: 2.d4 d5 3.exd5 Qxd5 4.Nf3" "e4 Nc6 d4 d5 exd5 Qxd5 Nf3")
  ("B00w" "Nimzowitsch Defence: Bogoljubow Variation" "e4 Nc6 d4 d5 Nc3")
  ("B00w" "Nimzowitsch Defence: Bogoljubow, 3...e5" "e4 Nc6 d4 d5 Nc3 e5")
  ("B00w" "Nimzowitsch Defence: Bogoljubow, 3...dxe4" "e4 Nc6 d4 d5 Nc3 dxe4")
  ("B00x" "Nimzowitsch Defence: 2.d4 d5 3.e5" "e4 Nc6 d4 d5 e5")
  ("B00x" "Nimzowitsch Defence: 2.d4 d5 3.e5 Bf5" "e4 Nc6 d4 d5 e5 Bf5")
  ("B00x" "Nimzowitsch Defence: 2.d4 d5 3.e5 Bf5 4.c3" "e4 Nc6 d4 d5 e5 Bf5 c3")
  ("B01a" "Scandinavian (Centre Counter)" "e4 d5")
  ("B01a" "Scandinavian: 2.d3" "e4 d5 d3")
  ("B01a" "Scandinavian: 2.e5" "e4 d5 e5")
  ("B01a" "Scandinavian: 2.exd5" "e4 d5 exd5")
  ("B01a" "Scandinavian: Böhnke Gambit" "e4 d5 exd5 e5")
  ("B01b" "Scandinavian: 2...Qxd5" "e4 d5 exd5 Qxd5")
  ("B01b" "Scandinavian: 2...Qxd5 3.Nf3" "e4 d5 exd5 Qxd5 Nf3")
  ("B01b" "Scandinavian: 2...Qxd5 3.Nf3 Nf6" "e4 d5 exd5 Qxd5 Nf3 Nf6")
  ("B01b" "Scandinavian: 2...Qxd5 3.d4" "e4 d5 exd5 Qxd5 d4")
  ("B01b" "Scandinavian: 2...Qxd5 3.d4 Nf6" "e4 d5 exd5 Qxd5 d4 Nf6")
  ("B01b" "Scandinavian: 2...Qxd5 3.d4 e5" "e4 d5 exd5 Qxd5 d4 e5")
  ("B01b" "Scandinavian: 2...Qxd5 3.Nc3" "e4 d5 exd5 Qxd5 Nc3")
  ("B01c" "Scandinavian: 2...Qxd5 3.Nc3 Qd8" "e4 d5 exd5 Qxd5 Nc3 Qd8")
  ("B01d" "Scandinavian: Schiller Defence" "e4 d5 exd5 Qxd5 Nc3 Qd6")
  ("B01d" "Scandinavian: Schiller, 4.d4 Nf6" "e4 d5 exd5 Qxd5 Nc3 Qd6 d4 Nf6")
  ("B01d" "Scandinavian: Schiller, Bronstein Variation" "e4 d5 exd5 Qxd5 Nc3 Qd6 d4 Nf6 Nf3 a6")
  ("B01e" "Scandinavian: 2...Qxd5 3.Nc3 Qa5" "e4 d5 exd5 Qxd5 Nc3 Qa5")
  ("B01e" "Scandinavian, Mieses Gambit" "e4 d5 exd5 Qxd5 Nc3 Qa5 b4")
  ("B01e" "Scandinavian: 2...Qxd5 3.Nc3 Qa5 4.g3" "e4 d5 exd5 Qxd5 Nc3 Qa5 g3")
  ("B01e" "Scandinavian: 2...Qxd5 3.Nc3 Qa5 4.Bc4" "e4 d5 exd5 Qxd5 Nc3 Qa5 Bc4")
  ("B01e" "Scandinavian: 2...Qxd5 3.Nc3 Qa5 4.Bc4 Nf6" "e4 d5 exd5 Qxd5 Nc3 Qa5 Bc4 Nf6")
  ("B01f" "Scandinavian: 2...Qxd5 3.Nc3 Qa5 4.Nf3" "e4 d5 exd5 Qxd5 Nc3 Qa5 Nf3")
  ("B01f" "Scandinavian: 2...Qxd5 3.Nc3 Qa5 4.Nf3 Nf6" "e4 d5 exd5 Qxd5 Nc3 Qa5 Nf3 Nf6")
  ("B01f" "Scandinavian: 2...Qxd5 3.Nc3 Qa5 4.Nf3 Nf6 5.Be2" "e4 d5 exd5 Qxd5 Nc3 Qa5 Nf3 Nf6 Be2")
  ("B01g" "Scandinavian: 2...Qxd5 3.Nc3 Qa5 4.d4" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4")
  ("B01g" "Scandinavian: Anderssen Counterattack" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 e5")
  ("B01g" "Scandinavian: Anderssen Counterattack, Goteborg Variation" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 e5 Nf3")
  ("B01g" "Scandinavian: Anderssen Counterattack, Collijn Variation" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 e5 Nf3 Bg4")
  ("B01g" "Scandinavian: Anderssen Counterattack, 5.dxe5" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 e5 dxe5")
  ("B01h" "Scandinavian: 2...Qxd5 3.Nc3 Qa5 4.d4 c6" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 c6")
  ("B01h" "Scandinavian: 2...Qxd5 3.Nc3 Qa5 4.d4 c6 5.Bc4" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 c6 Bc4")
  ("B01h" "Scandinavian: 2...Qxd5 3.Nc3 Qa5 4.d4 c6 5.Nf3" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 c6 Nf3")
  ("B01i" "Scandinavian: 2...Qxd5 3.Nc3 Qa5 4.d4 Nf6" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6")
  ("B01i" "Scandinavian: 2...Qxd5, 5.Bd2" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Bd2")
  ("B01i" "Scandinavian: 2...Qxd5, 5.Bd2 c6" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Bd2 c6")
  ("B01i" "Scandinavian: 2...Qxd5, 5.Bc4" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Bc4")
  ("B01i" "Scandinavian: 2...Qxd5, 5.Bc4 c6" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Bc4 c6")
  ("B01j" "Scandinavian: 2...Qxd5, 5.Nf3" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3")
  ("B01j" "Scandinavian: 2...Qxd5, 5.Nf3 Bg4" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 Bg4")
  ("B01k" "Scandinavian: Lasker Variation" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 Bg4 h3")
  ("B01l" "Scandinavian: 2...Qxd5, 5.Nf3 Bf5" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 Bf5")
  ("B01l" "Scandinavian: Grünfeld Variation" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 Bf5 Ne5 c6 g4")
  ("B01l" "Scandinavian: 2...Qxd5, 5.Nf3 Bf5 6.Bc4" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 Bf5 Bc4")
  ("B01m" "Scandinavian: 2...Qxd5, Main Line" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 c6")
  ("B01n" "Scandinavian: 2...Qxd5, Main Line, 6.Bc4" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 c6 Bc4")
  ("B01n" "Scandinavian: 2...Qxd5, Main Line, 6.Bc4 Bg4" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 c6 Bc4 Bg4")
  ("B01o" "Scandinavian: 2...Qxd5, Main Line, 6.Bc4 Bf5" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 c6 Bc4 Bf5")
  ("B01p" "Scandinavian: 2...Qxd5, Main Line, 6.Bc4 Bf5 7.Bd2" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 c6 Bc4 Bf5 Bd2")
  ("B01p" "Scandinavian: 2...Qxd5, Main Line, 6.Bc4 Bf5 7.Bd2 e6" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 c6 Bc4 Bf5 Bd2 e6")
  ("B01p" "Scandinavian: 2...Qxd5, Main Line, 8.Nd5" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 c6 Bc4 Bf5 Bd2 e6 Nd5")
  ("B01q" "Scandinavian: 2...Qxd5, Main Line, 8.Qe2" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 c6 Bc4 Bf5 Bd2 e6 Qe2")
  ("B01q" "Scandinavian: 2...Qxd5, Main Line, 8.Qe2 Bb4" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 c6 Bc4 Bf5 Bd2 e6 Qe2 Bb4")
  ("B01q" "Scandinavian: 2...Qxd5, Main Line, 8.Qe2 Bb4 9.a3" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 c6 Bc4 Bf5 Bd2 e6 Qe2 Bb4 a3")
  ("B01q" "Scandinavian: 2...Qxd5, Main Line, 8.Qe2 Bb4 9.O-O-O" "e4 d5 exd5 Qxd5 Nc3 Qa5 d4 Nf6 Nf3 c6 Bc4 Bf5 Bd2 e6 Qe2 Bb4 O-O-O")
  ("B01r" "Scandinavian: 2...Nf6" "e4 d5 exd5 Nf6")
  ("B01r" "Scandinavian: 2...Nf6 3.Bc4" "e4 d5 exd5 Nf6 Bc4")
  ("B01r" "Scandinavian: 2...Nf6 3.Nf3" "e4 d5 exd5 Nf6 Nf3")
  ("B01r" "Scandinavian: 2...Nf6 3.Nf3 Nxd5" "e4 d5 exd5 Nf6 Nf3 Nxd5")
  ("B01s" "Scandinavian: 2...Nf6 3.Bb5+" "e4 d5 exd5 Nf6 Bb5+")
  ("B01s" "Scandinavian: 2...Nf6 3.Bb5+ Nbd7" "e4 d5 exd5 Nf6 Bb5+ Nbd7")
  ("B01s" "Scandinavian: 2...Nf6 3.Bb5+ Bd7" "e4 d5 exd5 Nf6 Bb5+ Bd7")
  ("B01s" "Scandinavian: 2...Nf6 3.Bb5+ Bd7 4.Bc4" "e4 d5 exd5 Nf6 Bb5+ Bd7 Bc4")
  ("B01s" "Scandinavian: 2...Nf6 3.Bb5+ Bd7 4.Bc4 Bg4" "e4 d5 exd5 Nf6 Bb5+ Bd7 Bc4 Bg4")
  ("B01s" "Scandinavian: 2...Nf6 3.Bb5+ Bd7 4.Be2" "e4 d5 exd5 Nf6 Bb5+ Bd7 Be2")
  ("B01s" "Scandinavian: 2...Nf6 3.Bb5+ Bd7 4.Be2 Nxd5 5.d4 Bf5" "e4 d5 exd5 Nf6 Bb5+ Bd7 Be2 Nxd5 d4 Bf5")
  ("B01t" "Scandinavian: 2...Nf6 3.c4" "e4 d5 exd5 Nf6 c4")
  ("B01t" "Scandinavian: Scandinavian Gambit" "e4 d5 exd5 Nf6 c4 c6")
  ("B01t" "Scandinavian: Scandinavian Gambit Accepted" "e4 d5 exd5 Nf6 c4 c6 dxc6")
  ("B01t" "Scandinavian: Icelandic Gambit" "e4 d5 exd5 Nf6 c4 e6")
  ("B01t" "Scandinavian: Icelandic Gambit Accepted" "e4 d5 exd5 Nf6 c4 e6 dxe6")
  ("B01t" "Scandinavian: Icelandic Gambit Accepted" "e4 d5 exd5 Nf6 c4 e6 dxe6 Bxe6")
  ("B01t" "Scandinavian: Icelandic Gambit, 5.d4" "e4 d5 exd5 Nf6 c4 e6 dxe6 Bxe6 d4")
  ("B01t" "Scandinavian: Icelandic Gambit, 5.Nf3" "e4 d5 exd5 Nf6 c4 e6 dxe6 Bxe6 Nf3")
  ("B01u" "Scandinavian: 2...Nf6 3.d4" "e4 d5 exd5 Nf6 d4")
  ("B01u" "Scandinavian: Richter Variation" "e4 d5 exd5 Nf6 d4 g6")
  ("B01u" "Scandinavian: Portuguese Variation" "e4 d5 exd5 Nf6 d4 Bg4")
  ("B01u" "Scandinavian: Portuguese, 4.Bb5+" "e4 d5 exd5 Nf6 d4 Bg4 Bb5+")
  ("B01u" "Scandinavian: Portuguese, 4.Nf3" "e4 d5 exd5 Nf6 d4 Bg4 Nf3")
  ("B01u" "Scandinavian: Portuguese, 4.Nf3 Qxd5" "e4 d5 exd5 Nf6 d4 Bg4 Nf3 Qxd5")
  ("B01u" "Scandinavian: Portuguese, 4.Nf3 Qxd5 5.Be2" "e4 d5 exd5 Nf6 d4 Bg4 Nf3 Qxd5 Be2")
  ("B01u" "Scandinavian: Portuguese, 4.Nf3 Qxd5 5.Be2 Nc6" "e4 d5 exd5 Nf6 d4 Bg4 Nf3 Qxd5 Be2 Nc6")
  ("B01u" "Scandinavian: Portuguese, 4.Be2" "e4 d5 exd5 Nf6 d4 Bg4 Be2")
  ("B01u" "Scandinavian: Portuguese, 4.Be2 Bxe2" "e4 d5 exd5 Nf6 d4 Bg4 Be2 Bxe2")
  ("B01v" "Scandinavian: Portuguese, 4.f3" "e4 d5 exd5 Nf6 d4 Bg4 f3")
  ("B01v" "Scandinavian: Portuguese, 4.f3 Bf5" "e4 d5 exd5 Nf6 d4 Bg4 f3 Bf5")
  ("B01v" "Scandinavian: Portuguese, 4.f3 Bf5 5.c4" "e4 d5 exd5 Nf6 d4 Bg4 f3 Bf5 c4")
  ("B01v" "Scandinavian: Portuguese, 4.f3 Bf5 5.Bb5+" "e4 d5 exd5 Nf6 d4 Bg4 f3 Bf5 Bb5+")
  ("B01v" "Scandinavian: Portuguese, 4.f3 Bf5 5.Bb5+ Nbd7" "e4 d5 exd5 Nf6 d4 Bg4 f3 Bf5 Bb5+ Nbd7")
  ("B01v" "Scandinavian: Portuguese, 4.f3 Bf5 5.Bb5+ Nbd7 6.c4" "e4 d5 exd5 Nf6 d4 Bg4 f3 Bf5 Bb5+ Nbd7 c4")
  ("B01w" "Scandinavian: Marshall Variation" "e4 d5 exd5 Nf6 d4 Nxd5")
  ("B01w" "Scandinavian: Marshall, 4.Nf3" "e4 d5 exd5 Nf6 d4 Nxd5 Nf3")
  ("B01w" "Scandinavian: Marshall, 4.Nf3 Bf5" "e4 d5 exd5 Nf6 d4 Nxd5 Nf3 Bf5")
  ("B01w" "Scandinavian: Marshall, 4.Nf3 Bg4" "e4 d5 exd5 Nf6 d4 Nxd5 Nf3 Bg4")
  ("B01w" "Scandinavian: Marshall, 4.Nf3 Bg4 5.Be2" "e4 d5 exd5 Nf6 d4 Nxd5 Nf3 Bg4 Be2")
  ("B01w" "Scandinavian: Marshall, 4.Nf3 Bg4 5.Be2 e6" "e4 d5 exd5 Nf6 d4 Nxd5 Nf3 Bg4 Be2 e6")
  ("B01x" "Scandinavian: Marshall, 4.Nf3 g6" "e4 d5 exd5 Nf6 d4 Nxd5 Nf3 g6")
  ("B01x" "Scandinavian: Marshall, 4.Nf3 g6 5.Be2" "e4 d5 exd5 Nf6 d4 Nxd5 Nf3 g6 Be2")
  ("B01x" "Scandinavian: Marshall, 4.Nf3 g6 5.Be2 Bg7" "e4 d5 exd5 Nf6 d4 Nxd5 Nf3 g6 Be2 Bg7")
  ("B01y" "Scandinavian: Marshall, 4.c4" "e4 d5 exd5 Nf6 d4 Nxd5 c4")
  ("B01y" "Scandinavian: Marshall, 4.c4 Nf6" "e4 d5 exd5 Nf6 d4 Nxd5 c4 Nf6")
  ("B01y" "Scandinavian: Marshall, 4.c4 Nb6" "e4 d5 exd5 Nf6 d4 Nxd5 c4 Nb6")
  ("B01y" "Scandinavian: Marshall, 4.c4 Nb6 5.Nc3" "e4 d5 exd5 Nf6 d4 Nxd5 c4 Nb6 Nc3")
  ("B01y" "Scandinavian: Marshall, 4.c4 Nb6 5.Nc3 e5" "e4 d5 exd5 Nf6 d4 Nxd5 c4 Nb6 Nc3 e5")
  ("B01z" "Scandinavian: Marshall, 4.c4 Nb6 5.Nf3" "e4 d5 exd5 Nf6 d4 Nxd5 c4 Nb6 Nf3")
  ("B01z" "Scandinavian: Marshall, 4.c4 Nb6 5.Nf3 Bg4" "e4 d5 exd5 Nf6 d4 Nxd5 c4 Nb6 Nf3 Bg4")
  ("B01z" "Scandinavian: Marshall, 4.c4 Nb6 5.Nf3 Bg4 6.Be2 e6" "e4 d5 exd5 Nf6 d4 Nxd5 c4 Nb6 Nf3 Bg4 Be2 e6")
  ("B01z" "Scandinavian: Marshall, 4.c4 Nb6 5.Nf3 Bg4 6.c5" "e4 d5 exd5 Nf6 d4 Nxd5 c4 Nb6 Nf3 Bg4 c5")
  ("B01z" "Scandinavian: Marshall, 4.c4 Nb6 5.Nf3 g6" "e4 d5 exd5 Nf6 d4 Nxd5 c4 Nb6 Nf3 g6")
  ("B01z" "Scandinavian: Marshall, 4.c4 Nb6 5.Nf3 g6 6.Be2" "e4 d5 exd5 Nf6 d4 Nxd5 c4 Nb6 Nf3 g6 Be2")
  ("B01z" "Scandinavian: Marshall, 4.c4 Nb6 5.Nf3 g6 6.Be2 Bg7" "e4 d5 exd5 Nf6 d4 Nxd5 c4 Nb6 Nf3 g6 Be2 Bg7")
  ("B01z" "Scandinavian: Marshall, 4.c4 Nb6 5.Nf3 g6 6.h3" "e4 d5 exd5 Nf6 d4 Nxd5 c4 Nb6 Nf3 g6 h3")
  ("B01z" "Scandinavian: Marshall, 4.c4 Nb6 5.Nf3 g6 6.h3 Bg7"
   "e4 d5 exd5 Nf6 d4 Nxd5 c4 Nb6 Nf3 g6 h3 Bg7")
  ("B01z" "Scandinavian: Marshall, 4.c4 Nb6 5.Nf3 g6 6.Nc3" "e4 d5 exd5 Nf6 d4 Nxd5 c4 Nb6 Nf3 g6 Nc3")
  ("B01z" "Scandinavian: Marshall, 4.c4 Nb6 5.Nf3 g6 6.Nc3 Bg7" "e4 d5 exd5 Nf6 d4 Nxd5 c4 Nb6 Nf3 g6 Nc3 Bg7")
  ("B02a" "Alekhine Defence" "e4 Nf6")
  ("B02a" "Alekhine: Krejcik Variation" "e4 Nf6 Bc4")
  ("B02b" "Alekhine: Maroczy Variation" "e4 Nf6 d3")
  ("B02c" "Alekhine: Scandinavian Variation" "e4 Nf6 Nc3")
  ("B02c" "Alekhine: Scandinavian Variation" "e4 Nf6 Nc3 d5")
  ("B02d" "Alekhine: Scandinavian, 3.e5" "e4 Nf6 Nc3 d5 e5")
  ("B02e" "Alekhine: Scandinavian, 3.e5 Ne4" "e4 Nf6 Nc3 d5 e5 Ne4")
  ("B02f" "Alekhine: Scandinavian, 3.e5 Nfd7" "e4 Nf6 Nc3 d5 e5 Nfd7")
  ("B02f" "Alekhine: Spielmann Gambit" "e4 Nf6 Nc3 d5 e5 Nfd7 e6")
  ("B02g" "Alekhine: Scandinavian, Exchange" "e4 Nf6 Nc3 d5 exd5")
  ("B02g" "Alekhine: Scandinavian, Geschev Gambit" "e4 Nf6 Nc3 d5 exd5 c6")
  ("B02g" "Alekhine: Scandinavian, Exchange" "e4 Nf6 Nc3 d5 exd5 Nxd5")
  ("B02g" "Alekhine: Scandinavian, Exchange, 4.Nf3" "e4 Nf6 Nc3 d5 exd5 Nxd5 Nf3")
  ("B02g" "Alekhine: Scandinavian, Exchange, 4.Nxd5" "e4 Nf6 Nc3 d5 exd5 Nxd5 Nxd5")
  ("B02g" "Alekhine: Scandinavian, Exchange, 4.Nxd5" "e4 Nf6 Nc3 d5 exd5 Nxd5 Nxd5 Qxd5")
  ("B02h" "Alekhine: Scandinavian, Exchange, 4.Bc4" "e4 Nf6 Nc3 d5 exd5 Nxd5 Bc4")
  ("B02i" "Alekhine: Scandinavian, Exchange, 4.Bc4 Nb6" "e4 Nf6 Nc3 d5 exd5 Nxd5 Bc4 Nb6")
  ("B02j" "Alekhine: 2.e5" "e4 Nf6 e5")
  ("B02j" "Alekhine: Mokele Mbembe (Bücker) Variation" "e4 Nf6 e5 Ne4")
  ("B02j" "Alekhine: Brooklyn Defence (Retreat Variation)" "e4 Nf6 e5 Ng8")
  ("B02k" "Alekhine: 2.e5 Nd5" "e4 Nf6 e5 Nd5")
  ("B02k" "Alekhine: Welling Variation" "e4 Nf6 e5 Nd5 b3")
  ("B02l" "Alekhine: 3.Bc4" "e4 Nf6 e5 Nd5 Bc4")
  ("B02l" "Alekhine: Kmoch Variation" "e4 Nf6 e5 Nd5 Bc4 Nb6 Bb3 c5 d3")
  ("B02m" "Alekhine: Sämisch Attack" "e4 Nf6 e5 Nd5 Nc3")
  ("B02n" "Alekhine: Sämisch Attack, 3...Nxc3" "e4 Nf6 e5 Nd5 Nc3 Nxc3")
  ("B02o" "Alekhine: Chase Variation" "e4 Nf6 e5 Nd5 c4")
  ("B02o" "Alekhine: Chase Variation" "e4 Nf6 e5 Nd5 c4 Nb6")
  ("B02o" "Alekhine: Chase, Steiner Variation" "e4 Nf6 e5 Nd5 c4 Nb6 b3")
  ("B02p" "Alekhine: Two Pawns (Lasker) Attack" "e4 Nf6 e5 Nd5 c4 Nb6 c5")
  ("B02q" "Alekhine: Two Pawns Attack, 5.Nc3" "e4 Nf6 e5 Nd5 c4 Nb6 c5 Nd5 Nc3")
  ("B02r" "Alekhine: Two Pawns Attack, 5.Bc4" "e4 Nf6 e5 Nd5 c4 Nb6 c5 Nd5 Bc4")
  ("B02r" "Alekhine: Two Pawns Attack, Mikenas Variation" "e4 Nf6 e5 Nd5 c4 Nb6 c5 Nd5 Bc4 e6 Nc3 d6")
  ("B03a" "Alekhine: 3.d4" "e4 Nf6 e5 Nd5 d4")
  ("B03a" "Alekhine: O'Sullivan Gambit" "e4 Nf6 e5 Nd5 d4 b5")
  ("B03b" "Alekhine: 3.d4 d6" "e4 Nf6 e5 Nd5 d4 d6")
  ("B03c" "Alekhine: 3.d4 d6 4.exd6" "e4 Nf6 e5 Nd5 d4 d6 exd6")
  ("B03d" "Alekhine: Balogh Variation" "e4 Nf6 e5 Nd5 d4 d6 Bc4")
  ("B03e" "Alekhine: 4.c4" "e4 Nf6 e5 Nd5 d4 d6 c4")
  ("B03e" "Alekhine: 4.c4 Nb6" "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6")
  ("B03f" "Alekhine: 4.c4 Nb6 5.Nf3" "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 Nf3")
  ("B03g" "Alekhine: Four Pawns Attack" "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4")
  ("B03g" "Alekhine: Four Pawns Attack, Planinc Variation" "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 g5")
  ("B03h" "Alekhine: Four Pawns Attack, Trifunovic Variation" "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 Bf5")
  ("B03i" "Alekhine: Four Pawns Attack, Fianchetto Variation" "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 g6")
  ("B03j" "Alekhine: Four Pawns Attack, 5...dxe5" "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 dxe5")
  ("B03j" "Alekhine: Four Pawns Attack, 5...dxe5" "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 dxe5 fxe5")
  ("B03k" "Alekhine: Four Pawns Attack, 6...c5" "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 dxe5 fxe5 c5")
  ("B03l" "Alekhine: Four Pawns Attack, 6...Bf5" "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 dxe5 fxe5 Bf5")
  ("B03l" "Alekhine: Four Pawns Attack, Fahrni Variation" "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 dxe5 fxe5 Bf5 Nc3 e6 Nf3 Bb4 Bd3")
  ("B03l" "Alekhine: Four Pawns Attack, Korchnoi Variation" "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 dxe5 fxe5 Bf5 Nc3 e6 Nf3 Be7 Be2 O-O O-O f6")
  ("B03m" "Alekhine: Four Pawns Attack, 6...Nc6" "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 dxe5 fxe5 Nc6")
  ("B03m" "Alekhine: Four Pawns Attack, Ilyin-Zhenevsky Variation" "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 dxe5 fxe5 Nc6 Nf3 Bg4 e6 fxe6 c5")
  ("B03n" "Alekhine: Four Pawns Attack, 7.Be3" "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 f4 dxe5 fxe5 Nc6 Be3")
  ("B03o" "Alekhine: Exchange Variation" "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 exd6")
  ("B03o" "Alekhine: Exchange, 5...exd6" "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 exd6 exd6")
  ("B03p" "Alekhine: Exchange, 5...exd6 6.Nc3" "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 exd6 exd6 Nc3")
  ("B03q" "Alekhine: Exchange, 5...exd6 6.Nc3 Be7" "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 exd6 exd6 Nc3 Be7")
  ("B03r" "Alekhine: Exchange, 5...cxd6" "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 exd6 cxd6")
  ("B03s" "Alekhine: Exchange, 5...cxd6 6.Nc3" "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 exd6 cxd6 Nc3")
  ("B03t" "Alekhine: Exchange, 5...cxd6 6.Nc3 g6 7.Be3"
   "e4 Nf6 e5 Nd5 d4 d6 c4 Nb6 exd6 cxd6 Nc3 g6 Be3")
  ("B04a" "Alekhine: Modern Variation" "e4 Nf6 e5 Nd5 d4 d6 Nf3")
  ("B04b" "Alekhine: Modern, 4...Nc6" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Nc6")
  ("B04c" "Alekhine: Modern, 4...c6" "e4 Nf6 e5 Nd5 d4 d6 Nf3 c6")
  ("B04d" "Alekhine: Modern, 4...c6 5.c4" "e4 Nf6 e5 Nd5 d4 d6 Nf3 c6 c4")
  ("B04e" "Alekhine: Modern, Schmid Variation" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Nb6")
  ("B04f" "Alekhine: Modern, Larsen Variation" "e4 Nf6 e5 Nd5 d4 d6 Nf3 dxe5")
  ("B04g" "Alekhine: Modern, Larsen, 5.Nxe5 g6" "e4 Nf6 e5 Nd5 d4 d6 Nf3 dxe5 Nxe5 g6")
  ("B04h" "Alekhine: Modern, Larsen, 5.Nxe5 g6 6.Bc4" "e4 Nf6 e5 Nd5 d4 d6 Nf3 dxe5 Nxe5 g6 Bc4")
  ("B04i" "Alekhine: Modern, Larsen, 5.Nxe5 g6 6.Bc4 c6 7.O-O" "e4 Nf6 e5 Nd5 d4 d6 Nf3 dxe5 Nxe5 g6 Bc4 c6 O-O")
  ("B04j" "Alekhine: Modern, Fianchetto Variation" "e4 Nf6 e5 Nd5 d4 d6 Nf3 g6")
  ("B04k" "Alekhine: Modern, Fianchetto, 5.Bc4" "e4 Nf6 e5 Nd5 d4 d6 Nf3 g6 Bc4")
  ("B04l" "Alekhine: Modern, Fianchetto, 5.Bc4 Nb6" "e4 Nf6 e5 Nd5 d4 d6 Nf3 g6 Bc4 Nb6")
  ("B04m" "Alekhine: Modern, Fianchetto, 5.Bc4 Nb6 6.Bb3 Bg7" "e4 Nf6 e5 Nd5 d4 d6 Nf3 g6 Bc4 Nb6 Bb3 Bg7")
  ("B04n" "Alekhine: Modern, Fianchetto, Keres Variation" "e4 Nf6 e5 Nd5 d4 d6 Nf3 g6 Bc4 Nb6 Bb3 Bg7 a4")
  ("B04o" "Alekhine: Modern, Fianchetto, 5.Bc4 Nb6 6.Bb3 Bg7 7.Ng5" "e4 Nf6 e5 Nd5 d4 d6 Nf3 g6 Bc4 Nb6 Bb3 Bg7 Ng5")
  ("B05a" "Alekhine: Modern, 4...Bg4" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4")
  ("B05b" "Alekhine: Modern, Panov Variation" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 h3")
  ("B05c" "Alekhine: Modern, Alekhine Variation" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 c4")
  ("B05c" "Alekhine: Modern, Alekhine Variation" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 c4 Nb6")
  ("B05d" "Alekhine: Modern, Alekhine Variation, 6.exd6" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 c4 Nb6 exd6")
  ("B05d" "Alekhine: Modern, Alekhine Variation, 6.exd6 cxd6"
   "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 c4 Nb6 exd6 cxd6")
  ("B05e" "Alekhine: Modern, Alekhine Variation, 6.exd6 exd6" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 c4 Nb6 exd6 exd6")
  ("B05f" "Alekhine: Modern, 5.Be2" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 Be2")
  ("B05g" "Alekhine: Modern, 5.Be2 Nc6" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 Be2 Nc6")
  ("B05h" "Alekhine: Modern, Flohr Variation" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 Be2 c6")
  ("B05i" "Alekhine: Modern, Flohr, 6.c4" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 Be2 c6 c4")
  ("B05j" "Alekhine: Modern, Flohr, 6.O-O" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 Be2 c6 O-O")
  ("B05k" "Alekhine: Modern, 5.Be2 e6" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 Be2 e6")
  ("B05l" "Alekhine: Modern, 5.Be2 e6 6.O-O" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 Be2 e6 O-O")
  ("B05m" "Alekhine: Modern, Main Line" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 Be2 e6 O-O Be7 c4")
  ("B05n" "Alekhine: Modern, Main Line, 8.h3" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 Be2 e6 O-O Be7 c4 Nb6 h3")
  ("B05n" "Alekhine: Modern, Main Line, 8.h3 Bh5" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 Be2 e6 O-O Be7 c4 Nb6 h3 Bh5")
  ("B05o" "Alekhine: Modern, Main Line, 8.h3 Bh5 9.Nc3" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 Be2 e6 O-O Be7 c4 Nb6 h3 Bh5 Nc3")
  ("B05o" "Alekhine: Modern, Main Line, 8.h3 Bh5 9.Nc3 O-O" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 Be2 e6 O-O Be7 c4 Nb6 h3 Bh5 Nc3 O-O")
  ("B05o" "Alekhine: Modern, Main Line, 8.h3 Bh5 9.Nc3 O-O 10.Be3" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 Be2 e6 O-O Be7 c4 Nb6 h3 Bh5 Nc3 O-O Be3")
  ("B05p" "Alekhine: Modern, Main Line, 8.h3 Bh5 9.Nc3 O-O 10.Be3 d5" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 Be2 e6 O-O Be7 c4 Nb6 h3 Bh5 Nc3 O-O Be3 d5")
  ("B05q" "Alekhine: Modern, Main Line, 8.exd6" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 Be2 e6 O-O Be7 c4 Nb6 exd6")
  ("B05r" "Alekhine: Modern, Main Line, 8.Nc3" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 Be2 e6 O-O Be7 c4 Nb6 Nc3")
  ("B05s" "Alekhine: Modern, Main Line, 8.Nc3 O-O 9.Be3" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 Be2 e6 O-O Be7 c4 Nb6 Nc3 O-O Be3")
  ("B05t" "Alekhine: Modern, Main Line, 8.Nc3 O-O 9.Be3 Nc6" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 Be2 e6 O-O Be7 c4 Nb6 Nc3 O-O Be3 Nc6")
  ("B05u" "Alekhine: Modern, Main Line, 8.Nc3 O-O 9.Be3 Nc6 10.exd6 cxd6" "e4 Nf6 e5 Nd5 d4 d6 Nf3 Bg4 Be2 e6 O-O Be7 c4 Nb6 Nc3 O-O Be3 Nc6 exd6 cxd6")
  ("B06a" "Modern" "e4 g6")
  ("B06b" "Modern" "e4 g6 Nc3")
  ("B06b" "Modern" "e4 g6 Nc3 d6")
  ("B06b" "Modern" "e4 g6 Nc3 Bg7")
  ("B06c" "Modern" "e4 g6 Nc3 Bg7 f4 d6")
  ("B06c" "Modern" "e4 g6 f4")
  ("B06c" "Modern" "e4 g6 f4 d6")
  ("B06c" "Modern" "e4 g6 f4 Bg7 Nf3")
  ("B06c" "Modern" "e4 g6 f4 Bg7 Nf3 d6")
  ("B06d" "Modern" "e4 g6 d4")
  ("B06d" "Modern: Norwegian Defence" "e4 g6 d4 Nf6")
  ("B06d" "Modern: Norwegian Defence" "e4 g6 d4 Nf6 e5 Nh5 g4 Ng7")
  ("B06d" "Modern" "e4 g6 d4 c6")
  ("B06e" "Modern" "e4 g6 d4 d6")
  ("B06f" "Modern" "e4 g6 d4 Bg7")
  ("B06f" "Modern: 3.Bc4" "e4 g6 d4 Bg7 Bc4")
  ("B06g" "Modern: 3.c3" "e4 g6 d4 Bg7 c3")
  ("B06g" "Modern: 3.c3" "e4 g6 d4 Bg7 c3 d6")
  ("B06g" "Modern: c3 Pterodactyl" "e4 g6 d4 Bg7 c3 d6 f4 c5")
  ("B06h" "Modern: Geller System" "e4 g6 d4 Bg7 c3 d6 Nf3")
  ("B06i" "Modern: 3.Nf3" "e4 g6 d4 Bg7 Nf3")
  ("B06j" "Modern: 3.Nf3 d6" "e4 g6 d4 Bg7 Nf3 d6")
  ("B06k" "Modern: 3.Nf3 d6 4.Bc4" "e4 g6 d4 Bg7 Nf3 d6 Bc4")
  ("B06l" "Modern: 3.Nc3" "e4 g6 d4 Bg7 Nc3")
  ("B06l" "Modern: Mittenberger Gambit" "e4 g6 d4 Bg7 Nc3 d5")
  ("B06l" "Modern: Nc3 Pterodactyl" "e4 g6 d4 Bg7 Nc3 c5")
  ("B06m" "Modern: 3.Nc3" "e4 g6 d4 Bg7 Nc3 d6")
  ("B06n" "Modern: 3.Nc3 d6 4.Bc4" "e4 g6 d4 Bg7 Nc3 d6 Bc4")
  ("B06n" "Modern: 3.Nc3 d6 4.Bc4" "e4 g6 d4 Bg7 Nc3 d6 Bc4 c6")
  ("B06n" "Modern: 3.Nc3 d6 4.Bc4" "e4 g6 d4 Bg7 Nc3 d6 Bc4 c6 Qf3")
  ("B06n" "Modern: 3.Nc3 d6 4.Bc4" "e4 g6 d4 Bg7 Nc3 d6 Bc4 c6 Qf3 Nf6")
  ("B06n" "Modern: 3.Nc3 d6 4.Bc4" "e4 g6 d4 Bg7 Nc3 d6 Bc4 c6 Qf3 e6")
  ("B06o" "Modern: 3.Nc3 d6 4.Be3" "e4 g6 d4 Bg7 Nc3 d6 Be3")
  ("B06p" "Modern: 3.Nc3 d6 4.Be3 a6" "e4 g6 d4 Bg7 Nc3 d6 Be3 a6")
  ("B06q" "Modern: 3.Nc3 d6 4.Be3 c6" "e4 g6 d4 Bg7 Nc3 d6 Be3 c6")
  ("B06r" "Modern: Two Knights Variation" "e4 g6 d4 Bg7 Nc3 d6 Nf3")
  ("B06r" "Modern: Two Knights, Suttles Variation" "e4 g6 d4 Bg7 Nc3 d6 Nf3 c6")
  ("B06r" "Modern: Two Knights, Suttles, Tal Gambit" "e4 g6 d4 Bg7 Nc3 d6 Nf3 c6 Bg5 Qb6 Qd2")
  ("B06s" "Modern: Pseudo-Austrian Attack" "e4 g6 d4 Bg7 Nc3 d6 f4")
  ("B06s" "Modern: Pseudo-Austrian Attack" "e4 g6 d4 Bg7 Nc3 d6 f4 c6")
  ("B06t" "Modern: Pseudo-Austrian Attack" "e4 g6 d4 Bg7 Nc3 d6 f4 c6 Nf3")
  ("B06t" "Modern: Pseudo-Austrian Attack" "e4 g6 d4 Bg7 Nc3 d6 f4 Nc6")
  ("B06u" "Modern: Three Pawns Attack" "e4 g6 d4 Bg7 f4")
  ("B07a" "Pirc" "e4 d6")
  ("B07a" "Pirc" "e4 d6 g3")
  ("B07a" "Pirc" "e4 d6 c4")
  ("B07a" "Pirc: 2.Nc3" "e4 d6 Nc3")
  ("B07a" "Pirc: 2.Nc3" "e4 d6 Nc3 Nf6")
  ("B07b" "Pirc: 2.Nf3" "e4 d6 Nf3")
  ("B07b" "Pirc/Reti: Wade Defence" "e4 d6 Nf3 Bg4")
  ("B07b" "Pirc: 2.Nf3 Nf6" "e4 d6 Nf3 Nf6")
  ("B07b" "Pirc: 2.Nf3 Nf6 3.Nc3" "e4 d6 Nf3 Nf6 Nc3")
  ("B07c" "Pirc: 2.f4" "e4 d6 f4")
  ("B07c" "Pirc: 2.f4 Nf6" "e4 d6 f4 Nf6")
  ("B07c" "Pirc: 2.f4 Nf6 3.Nc3" "e4 d6 f4 Nf6 Nc3")
  ("B07c" "Pirc: 2.f4 Nf6 3.Nc3 g6 4.Nf3 Bg7" "e4 d6 f4 Nf6 Nc3 g6 Nf3 Bg7")
  ("B07d" "Pirc: 2.d4" "e4 d6 d4")
  ("B07d" "Pirc: 2.d4 c6" "e4 d6 d4 c6")
  ("B07d" "Pirc: Lengfellner System" "e4 d6 d4 e6")
  ("B07d" "Pirc: 2.d4 Nd7" "e4 d6 d4 Nd7")
  ("B07d" "Pirc: 2.d4 Nf6" "e4 d6 d4 Nf6")
  ("B07d" "Pirc: Roscher Gambit" "e4 d6 d4 Nf6 Nf3")
  ("B07d" "Pirc: 3.Nbd2" "e4 d6 d4 Nf6 Nbd2")
  ("B07d" "Pirc: 3.Nbd2 g6" "e4 d6 d4 Nf6 Nbd2 g6")
  ("B07d" "Pirc: 3.Nbd2 g6" "e4 d6 d4 Nf6 Nbd2 g6 c3 Bg7")
  ("B07e" "Pirc: 3.f3" "e4 d6 d4 Nf6 f3")
  ("B07f" "Pirc: 3.f3 e5" "e4 d6 d4 Nf6 f3 e5")
  ("B07f" "Pirc: 3.f3 e5 Queenswap" "e4 d6 d4 Nf6 f3 e5 dxe5 dxe5 Qxd8+")
  ("B07f" "Pirc: 3.f3 e5 4.d5" "e4 d6 d4 Nf6 f3 e5 d5")
  ("B07g" "Pirc: 3.f3 g6" "e4 d6 d4 Nf6 f3 g6")
  ("B07h" "Pirc: 3.Bd3" "e4 d6 d4 Nf6 Bd3")
  ("B07h" "Pirc: 3.Bd3 e5" "e4 d6 d4 Nf6 Bd3 e5")
  ("B07h" "Pirc: 3.Bd3 e5 4.c3 d5" "e4 d6 d4 Nf6 Bd3 e5 c3 d5")
  ("B07h" "Pirc: 3.Bd3 e5 4.c3 d5" "e4 d6 d4 Nf6 Bd3 e5 c3 d5 dxe5 dxe4")
  ("B07h" "Pirc: 3.Bd3 e5 4.c3 d5" "e4 d6 d4 Nf6 Bd3 e5 c3 d5 dxe5 Nxe4")
  ("B07i" "Pirc: 3.Bd3 g6" "e4 d6 d4 Nf6 Bd3 g6")
  ("B07i" "Pirc: 3.Bd3 g6" "e4 d6 d4 Nf6 Bd3 g6 Nf3")
  ("B07i" "Pirc: 3.Bd3 g6" "e4 d6 d4 Nf6 Bd3 g6 Nf3 Bg7")
  ("B07j" "Pirc: 3.Bd3 g6 4.Nf3 Bg7 5.c3" "e4 d6 d4 Nf6 Bd3 g6 Nf3 Bg7 c3")
  ("B07k" "Pirc: 3.Nc3" "e4 d6 d4 Nf6 Nc3")
  ("B07l" "Pirc: 3.Nc3 Nbd7" "e4 d6 d4 Nf6 Nc3 Nbd7")
  ("B07m" "Pirc: 3.Nc3 e5" "e4 d6 d4 Nf6 Nc3 e5")
  ("B07m" "Pirc: 3.Nc3 e5 Queenswap" "e4 d6 d4 Nf6 Nc3 e5 dxe5 dxe5 Qxd8+")
  ("B07n" "Pirc: Pytel/Czech" "e4 d6 d4 Nf6 Nc3 c6")
  ("B07o" "Pirc: Czech, 4.Nf3" "e4 d6 d4 Nf6 Nc3 c6 Nf3")
  ("B07p" "Pirc: Czech, 4.f4" "e4 d6 d4 Nf6 Nc3 c6 f4")
  ("B07p" "Pirc: Czech, 4.f4 Qa5" "e4 d6 d4 Nf6 Nc3 c6 f4 Qa5")
  ("B07q" "Pirc: 3...g6" "e4 d6 d4 Nf6 Nc3 g6")
  ("B07q" "Pirc: 3...g6" "e4 d6 d4 Nf6 Nc3 g6 h4")
  ("B07q" "Pirc: 4.Nge2" "e4 d6 d4 Nf6 Nc3 g6 Nge2")
  ("B07q" "Pirc: 4.Nge2" "e4 d6 d4 Nf6 Nc3 g6 Nge2 Bg7")
  ("B07r" "Pirc: Sveshnikov (4.g3)" "e4 d6 d4 Nf6 Nc3 g6 g3")
  ("B07r" "Pirc: Sveshnikov (4.g3)" "e4 d6 d4 Nf6 Nc3 g6 g3 Bg7")
  ("B07r" "Pirc: Sveshnikov (4.g3)" "e4 d6 d4 Nf6 Nc3 g6 g3 Bg7 Bg2 c6")
  ("B07s" "Pirc: Holmov (4.Bc4)" "e4 d6 d4 Nf6 Nc3 g6 Bc4")
  ("B07s" "Pirc: Holmov (4.Bc4)" "e4 d6 d4 Nf6 Nc3 g6 Bc4 Bg7")
  ("B07t" "Pirc: 4.Be3" "e4 d6 d4 Nf6 Nc3 g6 Be3")
  ("B07t" "Pirc: 4.Be3 c6" "e4 d6 d4 Nf6 Nc3 g6 Be3 c6")
  ("B07u" "Pirc: 4.Be3 Bg7" "e4 d6 d4 Nf6 Nc3 g6 Be3 Bg7")
  ("B07u" "Pirc: 4.Be3, 150 Attack" "e4 d6 d4 Nf6 Nc3 g6 Be3 Bg7 Qd2")
  ("B07v" "Pirc: 4.Be3, 150 Attack" "e4 d6 d4 Nf6 Nc3 g6 Be3 Bg7 Qd2 c6")
  ("B07v" "Pirc: 4.Be3, 150 Attack" "e4 d6 d4 Nf6 Nc3 g6 Be3 Bg7 Qd2 c6 f3 b5")
  ("B07w" "Pirc: Byrne 4.Bg5" "e4 d6 d4 Nf6 Nc3 g6 Bg5")
  ("B07x" "Pirc: 4.Bg5 Bg7" "e4 d6 d4 Nf6 Nc3 g6 Bg5 Bg7")
  ("B07y" "Pirc: 4.Be2" "e4 d6 d4 Nf6 Nc3 g6 Be2")
  ("B07y" "Pirc: 4.Be2" "e4 d6 d4 Nf6 Nc3 g6 Be2 Bg7")
  ("B07y" "Pirc: Chinese Variation" "e4 d6 d4 Nf6 Nc3 g6 Be2 Bg7 g4")
  ("B07z" "Pirc: Bayonet/Mariotti Attack" "e4 d6 d4 Nf6 Nc3 g6 Be2 Bg7 h4")
  ("B08a" "Pirc: Classical" "e4 d6 d4 Nf6 Nc3 g6 Nf3")
  ("B08a" "Pirc: Classical" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7")
  ("B08b" "Pirc: Classical, 5.h3" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 h3")
  ("B08b" "Pirc: Classical, 5.h3" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 h3 c6")
  ("B08b" "Pirc: Classical, 5.h3" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 h3 O-O")
  ("B08c" "Pirc: Classical, Spassky System" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 h3 O-O Be3")
  ("B08c" "Pirc: Classical, Spassky System, 6...d5" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 h3 O-O Be3 d5")
  ("B08d" "Pirc: Classical, Spassky System, 6...a6" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 h3 O-O Be3 a6")
  ("B08e" "Pirc: Classical, Spassky System, 6...c6" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 h3 O-O Be3 c6")
  ("B08f" "Pirc: Classical, 5.a4" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 a4")
  ("B08f" "Pirc: Classical, 5.a4 c6" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 a4 c6")
  ("B08g" "Pirc: Classical, 5.Bc4" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Bc4")
  ("B08g" "Pirc: Classical, 5.Bc4 c6" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Bc4 c6")
  ("B08h" "Pirc: Classical, 5.Be3" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be3")
  ("B08h" "Pirc: Classical, 5.Be3 a6 6.a4" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be3 a6 a4")
  ("B08i" "Pirc: Classical, 5.Be3 c6" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be3 c6")
  ("B08j" "Pirc: Classical, 5.Be2" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2")
  ("B08j" "Pirc: Classical, 5.Be2 a6 6.a4"
   "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2 a6 a4")
  ("B08k" "Pirc: Classical, 5.Be2 c6" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2 c6")
  ("B08l" "Pirc: Classical, 5.Be2 O-O" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2 O-O")
  ("B08m" "Pirc: Classical, 5.Be2 O-O 6.Be3" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2 O-O Be3")
  ("B08n" "Pirc: Classical, 5.Be2 O-O 6.O-O" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2 O-O O-O")
  ("B08o" "Pirc: Classical, 5.Be2 O-O 6.O-O Nc6" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2 O-O O-O Nc6")
  ("B08p" "Pirc: Classical, 5.Be2 O-O 6.O-O c6" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2 O-O O-O c6")
  ("B08q" "Pirc: Classical, 5.Be2 O-O 6.O-O c6 7.h3" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2 O-O O-O c6 h3")
  ("B08r" "Pirc: Classical, 5.Be2 O-O 6.O-O c6 7.a4" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2 O-O O-O c6 a4")
  ("B08s" "Pirc: Classical, 5.Be2 O-O 6.O-O c6 7.a4 Nbd7" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2 O-O O-O c6 a4 Nbd7")
  ("B08t" "Pirc: Classical, 5.Be2 O-O 6.O-O Bg4" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2 O-O O-O Bg4")
  ("B08u" "Pirc: Classical, 5.Be2 O-O 6.O-O Bg4 7.Be3 Nc6 8.Qd2" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2 O-O O-O Bg4 Be3 Nc6 Qd2")
  ("B08v" "Pirc: Classical, 5.Be2 O-O 6.O-O Bg4 7.Be3 Nc6 8.Qd2 e5" "e4 d6 d4 Nf6 Nc3 g6 Nf3 Bg7 Be2 O-O O-O Bg4 Be3 Nc6 Qd2 e5")
  ("B09a" "Pirc: Austrian Attack" "e4 d6 d4 Nf6 Nc3 g6 f4")
  ("B09b" "Pirc: Austrian Attack" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7")
  ("B09c" "Pirc: Austrian, Ljubojevic Variation" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Bc4")
  ("B09d" "Pirc: Austrian, 5.Nf3" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3")
  ("B09e" "Pirc: Austrian, 5...O-O" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O")
  ("B09f" "Pirc: Austrian, 5...O-O 6.e5" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O e5")
  ("B09g" "Pirc: Austrian, 5...O-O 6.Be3" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O Be3")
  ("B09h" "Pirc: Austrian, 5...O-O 6.Be2" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O Be2")
  ("B09i" "Pirc: Austrian, 5...O-O 6.Bd3" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O Bd3")
  ("B09j" "Pirc: Austrian, 5...O-O 6.Bd3 Nc6" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O Bd3 Nc6")
  ("B09k" "Pirc: Austrian, 5...O-O 6.Bd3 Nc6 7.e5" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O Bd3 Nc6 e5")
  ("B09l" "Pirc: Austrian, 5...O-O 6.Bd3 Na6" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O Bd3 Na6")
  ("B09m" "Pirc: Austrian, 5...O-O 6.Bd3 Na6 7.O-O c5" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O Bd3 Na6 O-O c5")
  ("B09m" "Pirc: Austrian, 5...O-O 6.Bd3 Na6 7.O-O c5 8.d5" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O Bd3 Na6 O-O c5 d5")
  ("B09n" "Pirc: Austrian, 5...O-O 6.Bd3 Na6 7.O-O c5 8.d5 Bg4" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 O-O Bd3 Na6 O-O c5 d5 Bg4")
  ("B09o" "Pirc: Austrian, 5...c5" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 c5")
  ("B09p" "Pirc: Austrian, 5...c5 6.dxc5" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 c5 dxc5")
  ("B09q" "Pirc: Austrian, 5...c5 6.dxc5 Qa5 7.Bd3" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 c5 dxc5 Qa5 Bd3")
  ("B09r" "Pirc: Austrian, 5...c5 6.Bb5+" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 c5 Bb5+")
  ("B09s" "Pirc: Austrian, 5...c5 6.Bb5+" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 c5 Bb5+ Bd7")
  ("B09t" "Pirc: Austrian, 5...c5 6.Bb5+ Bd7 7.e5" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 c5 Bb5+ Bd7 e5")
  ("B09u" "Pirc: Austrian, 5...c5 6.Bb5+ Bd7 7.e5 Ng4" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 c5 Bb5+ Bd7 e5 Ng4")
  ("B09v" "Pirc: Austrian, 5...c5 6.Bb5+ Bd7 7.e5 Ng4 8.Bxd7+" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 c5 Bb5+ Bd7 e5 Ng4 Bxd7+")
  ("B09w" "Pirc: Austrian, 5...c5 6.Bb5+ Bd7 7.e5 Ng4 8.e6" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 c5 Bb5+ Bd7 e5 Ng4 e6")
  ("B09w" "Pirc: Austrian, 5...c5, Seirawan Variation"
   "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 c5 Bb5+ Bd7 e5 Ng4 e6 fxe6")
  ("B09x" "Pirc: Austrian, 5...c5 6.Bb5+ Bd7 7.e5 Ng4 8.e6 Bxb5" "e4 d6 d4 Nf6 Nc3 g6 f4 Bg7 Nf3 c5 Bb5+ Bd7 e5 Ng4 e6 Bxb5")
  ("B10a" "Caro-Kann" "e4 c6")
  ("B10a" "Caro-Kann: 2.Ne2" "e4 c6 Ne2")
  ("B10a" "Caro-Kann: 2.f4" "e4 c6 f4")
  ("B10b" "Caro-Kann: Breyer Variation" "e4 c6 d3")
  ("B10b" "Caro-Kann: Breyer Variation" "e4 c6 d3 d5")
  ("B10c" "Caro-Kann: Breyer, 3.Nd2" "e4 c6 d3 d5 Nd2")
  ("B10d" "Caro-Kann: Breyer, 3.Nd2 g6" "e4 c6 d3 d5 Nd2 g6")
  ("B10e" "Caro-Kann: Breyer, 3.Nd2 e5" "e4 c6 d3 d5 Nd2 e5")
  ("B10f" "Caro-Kann: Breyer, Main Line" "e4 c6 d3 d5 Nd2 e5 Ngf3 Bd6 g3")
  ("B10g" "Caro-Kann: English Variation" "e4 c6 c4")
  ("B10h" "Caro-Kann: English Variation" "e4 c6 c4 e5")
  ("B10i" "Caro-Kann: English Variation" "e4 c6 c4 d5")
  ("B10i" "Caro-Kann: English Variation" "e4 c6 c4 d5 cxd5")
  ("B10i" "Caro-Kann: English Variation" "e4 c6 c4 d5 cxd5 cxd5")
  ("B10i" "Caro-Kann: English Variation" "e4 c6 c4 d5 exd5")
  ("B10i" "Caro-Kann: English Variation" "e4 c6 c4 d5 exd5 cxd5")
  ("B10j" "Caro-Kann: English, Exchange" "e4 c6 c4 d5 exd5 cxd5 cxd5")
  ("B10k" "Caro-Kann: English, Exchange, 4...Nf6" "e4 c6 c4 d5 exd5 cxd5 cxd5 Nf6")
  ("B10l" "Caro-Kann: English, Exchange, 4...Nf6 5.Bb5+" "e4 c6 c4 d5 exd5 cxd5 cxd5 Nf6 Bb5+")
  ("B10m" "Caro-Kann: English, Exchange, 4...Nf6 5.Nc3" "e4 c6 c4 d5 exd5 cxd5 cxd5 Nf6 Nc3")
  ("B10n" "Caro-Kann: English, Exchange, 4...Nf6 5.Nc3 Nxd5" "e4 c6 c4 d5 exd5 cxd5 cxd5 Nf6 Nc3 Nxd5")
  ("B10o" "Caro-Kann: 2.Nf3" "e4 c6 Nf3")
  ("B10p" "Caro-Kann: 2.Nc3" "e4 c6 Nc3")
  ("B10q" "Caro-Kann: 2.Nc3 d5" "e4 c6 Nc3 d5")
  ("B10r" "Caro-Kann: Goldman/Spielmann" "e4 c6 Nc3 d5 Qf3")
  ("B10s" "Caro-Kann: Two Knights Variation" "e4 c6 Nc3 d5 Nf3")
  ("B10t" "Caro-Kann: Two Knights, 3...dxe4" "e4 c6 Nc3 d5 Nf3 dxe4")
  ("B10t" "Caro-Kann: Hector Gambit" "e4 c6 Nc3 d5 Nf3 dxe4 Ng5")
  ("B10u" "Caro-Kann: Two Knights, 3...dxe4 4.Nxe4" "e4 c6 Nc3 d5 Nf3 dxe4 Nxe4")
  ("B10v" "Caro-Kann: Two Knights, 3...dxe4 4.Nxe4 Nf6" "e4 c6 Nc3 d5 Nf3 dxe4 Nxe4 Nf6")
  ("B11a" "Caro-Kann: Two Knights, 3...Bg4" "e4 c6 Nc3 d5 Nf3 Bg4")
  ("B11b" "Caro-Kann: Two Knights, 3...Bg4 4.h3" "e4 c6 Nc3 d5 Nf3 Bg4 h3")
  ("B11b" "Caro-Kann: Two Knights, 3...Bg4 4.h3 Bh5" "e4 c6 Nc3 d5 Nf3 Bg4 h3 Bh5")
  ("B11c" "Caro-Kann: Two Knights, 3...Bg4 4.h3 Bh5, 7.g4 Bg6" "e4 c6 Nc3 d5 Nf3 Bg4 h3 Bh5 exd5 cxd5 Bb5+ Nc6 g4 Bg6")
  ("B11d" "Caro-Kann: Two Knights, 3...Bg4 4.h3 Bxf3" "e4 c6 Nc3 d5 Nf3 Bg4 h3 Bxf3")
  ("B11d" "Caro-Kann: Two Knights, 3...Bg4 4.h3 Bxf3 5.Qxf3" "e4 c6 Nc3 d5 Nf3 Bg4 h3 Bxf3 Qxf3")
  ("B11e" "Caro-Kann: Two Knights, 3...Bg4 4.h3 Bxf3 5.Qxf3 dxe4" "e4 c6 Nc3 d5 Nf3 Bg4 h3 Bxf3 Qxf3 dxe4")
  ("B11e" "Caro-Kann: Two Knights, 3...Bg4 4.h3 Bxf3 5.Qxf3 dxe4" "e4 c6 Nc3 d5 Nf3 Bg4 h3 Bxf3 Qxf3 dxe4 Nxe4")
  ("B11f" "Caro-Kann: Two Knights, 3...Bg4 4.h3 Bxf3 5.Qxf3 Nf6" "e4 c6 Nc3 d5 Nf3 Bg4 h3 Bxf3 Qxf3 Nf6")
  ("B11g" "Caro-Kann: Two Knights, 3...Bg4 4.h3 Bxf3 5.Qxf3 e6" "e4 c6 Nc3 d5 Nf3 Bg4 h3 Bxf3 Qxf3 e6")
  ("B11h" "Caro-Kann: Two Knights, 3...Bg4 4.h3 Bxf3 5.Qxf3 e6 6.d4" "e4 c6 Nc3 d5 Nf3 Bg4 h3 Bxf3 Qxf3 e6 d4")
  ("B11i" "Caro-Kann: Two Knights, 3...Bg4 4.h3 Bxf3 5.Qxf3 e6 6.g3" "e4 c6 Nc3 d5 Nf3 Bg4 h3 Bxf3 Qxf3 e6 g3")
  ("B11i" "Caro-Kann: Two Knights, 3...Bg4 4.h3 Bxf3 5.Qxf3 e6 6.g3 Nf6" "e4 c6 Nc3 d5 Nf3 Bg4 h3 Bxf3 Qxf3 e6 g3 Nf6")
  ("B11j" "Caro-Kann: Two Knights, 3...Bg4 4.h3 Bxf3 5.Qxf3 e6 6.d3" "e4 c6 Nc3 d5 Nf3 Bg4 h3 Bxf3 Qxf3 e6 d3")
  ("B11k" "Caro-Kann: Two Knights, 3...Bg4 4.h3 Bxf3 5.Qxf3 e6 6.d3 Nd7" "e4 c6 Nc3 d5 Nf3 Bg4 h3 Bxf3 Qxf3 e6 d3 Nd7")
  ("B11l" "Caro-Kann: Two Knights, 3...Bg4 4.h3 Bxf3 5.Qxf3 e6 6.d3 Nf6" "e4 c6 Nc3 d5 Nf3 Bg4 h3 Bxf3 Qxf3 e6 d3 Nf6")
  ("B11m" "Caro-Kann: Two Knights, 3...Bg4 4.h3 Bxf3 5.Qxf3 e6 6.d3 Nf6 7.a3" "e4 c6 Nc3 d5 Nf3 Bg4 h3 Bxf3 Qxf3 e6 d3 Nf6 a3")
  ("B11n" "Caro-Kann: Two Knights, 3...Bg4 4.h3 Bxf3 5.Qxf3 e6 6.d3 Nf6 7.Bd2" "e4 c6 Nc3 d5 Nf3 Bg4 h3 Bxf3 Qxf3 e6 d3 Nf6 Bd2")
  ("B12a" "Caro-Kann: 2.d4" "e4 c6 d4")
  ("B12a" "Caro-Kann: de Bruycker Defence" "e4 c6 d4 Na6")
  ("B12a" "Caro-Kann: Masi Defence" "e4 c6 d4 Nf6")
  ("B12b" "Caro-Kann: 2.d4 d5" "e4 c6 d4 d5")
  ("B12b" "Caro-Kann: Ulysses Gambit" "e4 c6 d4 d5 Nf3")
  ("B12b" "Caro-Kann: Ulysses Gambit" "e4 c6 d4 d5 Nf3 dxe4 Ng5")
  ("B12c" "Caro-Kann: Mieses Gambit" "e4 c6 d4 d5 Be3")
  ("B12d" "Caro-Kann: Maroczy (Fantasy) Variation" "e4 c6 d4 d5 f3")
  ("B12e" "Caro-Kann: Maroczy (Fantasy), 3...e6" "e4 c6 d4 d5 f3 e6")
  ("B12f" "Caro-Kann: Maroczy (Fantasy), 3...dxe4" "e4 c6 d4 d5 f3 dxe4")
  ("B12f" "Caro-Kann: Maroczy (Fantasy), Gambit line" "e4 c6 d4 d5 f3 dxe4 fxe4 e5 Nf3 exd4 Bc4")
  ("B12g" "Caro-Kann: 3.Nd2" "e4 c6 d4 d5 Nd2")
  ("B12g" "Caro-Kann: 3.Nd2 dxe4" "e4 c6 d4 d5 Nd2 dxe4")
  ("B12g" "Caro-Kann: Edinburgh Variation" "e4 c6 d4 d5 Nd2 Qb6")
  ("B12h" "Caro-Kann: Gurgenidze/Modern: 3.Nd2 g6" "e4 c6 d4 d5 Nd2 g6")
  ("B12h" "Caro-Kann: Gurgenidze/Modern: 3.Nd2 g6 4.Ngf3" "e4 c6 d4 d5 Nd2 g6 Ngf3")
  ("B12h" "Caro-Kann: Gurgenidze/Modern: 3.Nd2 g6 4.Ngf3 Bg7" "e4 c6 d4 d5 Nd2 g6 Ngf3 Bg7")
  ("B12h" "Caro-Kann: Gurgenidze/Modern: 3.Nd2 g6 4.Ngf3 Bg7 5.h3" "e4 c6 d4 d5 Nd2 g6 Ngf3 Bg7 h3")
  ("B12h" "Caro-Kann: Gurgenidze/Modern: 3.Nd2 g6 4.Ngf3 Bg7 5.c3" "e4 c6 d4 d5 Nd2 g6 Ngf3 Bg7 c3")
  ("B12i" "Caro-Kann: Advance Variation" "e4 c6 d4 d5 e5")
  ("B12j" "Caro-Kann: Advance, 3...c5" "e4 c6 d4 d5 e5 c5")
  ("B12j" "Caro-Kann: Advance, 3...c5 4.dxc5" "e4 c6 d4 d5 e5 c5 dxc5")
  ("B12k" "Caro-Kann: Advance, 3...c5 4.dxc5 Nc6" "e4 c6 d4 d5 e5 c5 dxc5 Nc6")
  ("B12l" "Caro-Kann: Advance, 3...Bf5" "e4 c6 d4 d5 e5 Bf5")
  ("B12l" "Caro-Kann: Advance, Bayonet Variation" "e4 c6 d4 d5 e5 Bf5 g4")
  ("B12m" "Caro-Kann: Advance, 4.h4" "e4 c6 d4 d5 e5 Bf5 h4")
  ("B12n" "Caro-Kann: Advance, 4.c3" "e4 c6 d4 d5 e5 Bf5 c3")
  ("B12n" "Caro-Kann: Advance, Short Variation" "e4 c6 d4 d5 e5 Bf5 c3 e6 Be2")
  ("B12o" "Caro-Kann: Advance, 4.Bd3" "e4 c6 d4 d5 e5 Bf5 Bd3")
  ("B12p" "Caro-Kann: Advance, 4.Nf3" "e4 c6 d4 d5 e5 Bf5 Nf3")
  ("B12p" "Caro-Kann: Advance, 4.Nf3 e6" "e4 c6 d4 d5 e5 Bf5 Nf3 e6")
  ("B12q" "Caro-Kann: Advance, 4.Nf3 e6 5.Be2" "e4 c6 d4 d5 e5 Bf5 Nf3 e6 Be2")
  ("B12r" "Caro-Kann: Advance, 4.Nf3 e6 5.Be2 Nd7" "e4 c6 d4 d5 e5 Bf5 Nf3 e6 Be2 Nd7")
  ("B12s" "Caro-Kann: Advance, 4.Nf3 e6 5.Be2 c5" "e4 c6 d4 d5 e5 Bf5 Nf3 e6 Be2 c5")
  ("B12t" "Caro-Kann: Advance, 4.Nf3 e6 5.Be2 c5 6.O-O" "e4 c6 d4 d5 e5 Bf5 Nf3 e6 Be2 c5 O-O")
  ("B12t" "Caro-Kann: Advance, 4.Nf3 e6 5.Be2 c5 6.O-O" "e4 c6 d4 d5 e5 Bf5 Nf3 e6 Be2 c5 O-O Ne7")
  ("B12t" "Caro-Kann: Advance, 4.Nf3 e6 5.Be2 c5 6.O-O" "e4 c6 d4 d5 e5 Bf5 Nf3 e6 Be2 c5 O-O Nd7")
  ("B12u" "Caro-Kann: Advance, 4.Nf3 e6 5.Be2 c5 6.Be3" "e4 c6 d4 d5 e5 Bf5 Nf3 e6 Be2 c5 Be3")
  ("B12u" "Caro-Kann: Advance, 4.Nf3 e6 5.Be2 c5 6.Be3" "e4 c6 d4 d5 e5 Bf5 Nf3 e6 Be2 c5 Be3 Ne7")
  ("B12u" "Caro-Kann: Advance, 4.Nf3 e6 5.Be2 c5 6.Be3"
   "e4 c6 d4 d5 e5 Bf5 Nf3 e6 Be2 c5 Be3 Nd7")
  ("B12u" "Caro-Kann: Advance, 4.Nf3 e6 5.Be2 c5 6.Be3" "e4 c6 d4 d5 e5 Bf5 Nf3 e6 Be2 c5 Be3 Nd7 O-O")
  ("B12v" "Caro-Kann: Advance, 4.Nc3" "e4 c6 d4 d5 e5 Bf5 Nc3")
  ("B12v" "Caro-Kann: Advance, 4.Nc3 h5" "e4 c6 d4 d5 e5 Bf5 Nc3 h5")
  ("B12v" "Caro-Kann: Advance, 4.Nc3 Qb6" "e4 c6 d4 d5 e5 Bf5 Nc3 Qb6")
  ("B12v" "Caro-Kann: Advance, 4.Nc3 e6" "e4 c6 d4 d5 e5 Bf5 Nc3 e6")
  ("B12w" "Caro-Kann: Advance, Main Line" "e4 c6 d4 d5 e5 Bf5 Nc3 e6 g4")
  ("B12w" "Caro-Kann: Advance, Main Line, 6.Nge2" "e4 c6 d4 d5 e5 Bf5 Nc3 e6 g4 Bg6 Nge2")
  ("B12x" "Caro-Kann: Advance, Main Line, 6.Nge2 c5" "e4 c6 d4 d5 e5 Bf5 Nc3 e6 g4 Bg6 Nge2 c5")
  ("B13a" "Caro-Kann: Exchange Variation" "e4 c6 d4 d5 exd5")
  ("B13a" "Caro-Kann: Exchange, 3...Qxd5" "e4 c6 d4 d5 exd5 Qxd5")
  ("B13b" "Caro-Kann: Exchange, 3...cxd5" "e4 c6 d4 d5 exd5 cxd5")
  ("B13c" "Caro-Kann: Exchange, 4.Nf3" "e4 c6 d4 d5 exd5 cxd5 Nf3")
  ("B13d" "Caro-Kann: Exchange, 4.Nf3 Nf6" "e4 c6 d4 d5 exd5 cxd5 Nf3 Nf6")
  ("B13e" "Caro-Kann: Exchange, 4.Bd3" "e4 c6 d4 d5 exd5 cxd5 Bd3")
  ("B13f" "Caro-Kann: Exchange, 4.Bd3 Nc6" "e4 c6 d4 d5 exd5 cxd5 Bd3 Nc6")
  ("B13f" "Caro-Kann: Exchange, 4.Bd3 Nc6 5.c3" "e4 c6 d4 d5 exd5 cxd5 Bd3 Nc6 c3")
  ("B13g" "Caro-Kann: Exchange, 4.Bd3 Nc6 5.c3 g6" "e4 c6 d4 d5 exd5 cxd5 Bd3 Nc6 c3 g6")
  ("B13h" "Caro-Kann: Exchange, 4.Bd3 Nc6 5.c3 Nf6" "e4 c6 d4 d5 exd5 cxd5 Bd3 Nc6 c3 Nf6")
  ("B13i" "Caro-Kann: Exchange, 4.Bd3 Nc6 5.c3 Nf6 6.Nf3" "e4 c6 d4 d5 exd5 cxd5 Bd3 Nc6 c3 Nf6 Nf3")
  ("B13j" "Caro-Kann: Exchange, Rubinstein Variation" "e4 c6 d4 d5 exd5 cxd5 Bd3 Nc6 c3 Nf6 Bf4")
  ("B13k" "Caro-Kann: Exchange, Rubinstein, 6...Bg4" "e4 c6 d4 d5 exd5 cxd5 Bd3 Nc6 c3 Nf6 Bf4 Bg4")
  ("B13l" "Caro-Kann: Exchange, Rubinstein, 7.Qb3 Qc8" "e4 c6 d4 d5 exd5 cxd5 Bd3 Nc6 c3 Nf6 Bf4 Bg4 Qb3 Qc8")
  ("B13m" "Caro-Kann: Exchange, Rubinstein, 7.Qb3 Qd7" "e4 c6 d4 d5 exd5 cxd5 Bd3 Nc6 c3 Nf6 Bf4 Bg4 Qb3 Qd7")
  ("B13n" "Caro-Kann: Panov-Botvinnik Attack" "e4 c6 d4 d5 exd5 cxd5 c4")
  ("B13n" "Caro-Kann: Panov-Botvinnik, 4...e6" "e4 c6 d4 d5 exd5 cxd5 c4 e6")
  ("B13o" "Caro-Kann: Panov-Botvinnik, 4...Nf6" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6")
  ("B13o" "Caro-Kann: Panov-Botvinnik, Gunderam Variation" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 c5")
  ("B13p" "Caro-Kann: Panov-Botvinnik, 5.Nc3" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3")
  ("B13p" "Caro-Kann: Panov-Botvinnik, 5...dxc4" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 dxc4")
  ("B13p" "Caro-Kann: Panov-Botvinnik, 5...dxc4"
   "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 dxc4 Bxc4")
  ("B13q" "Caro-Kann: Panov-Botvinnik, 5...Nc6" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6")
  ("B13q" "Caro-Kann: Panov-Botvinnik, 5...Nc6 6.cxd5" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 cxd5")
  ("B13q" "Caro-Kann: Panov-Botvinnik, 5...Nc6 6.cxd5 Nxd5" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 cxd5 Nxd5")
  ("B13r" "Caro-Kann: Panov-Botvinnik, 5...Nc6 6.Nf3" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Nf3")
  ("B13s" "Caro-Kann: Panov-Botvinnik, 5...Nc6 6.Nf3 Bg4" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Nf3 Bg4")
  ("B13s" "Caro-Kann: Panov-Botvinnik, 5...Nc6 6.Nf3 Bg4" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Nf3 Bg4 cxd5")
  ("B13s" "Caro-Kann: Panov-Botvinnik, 5...Nc6 6.Nf3 Bg4" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Nf3 Bg4 cxd5 Nxd5")
  ("B13t" "Caro-Kann: Panov-Botvinnik, 5...Nc6 6.Nf3 Bg4: 8.Qb3" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Nf3 Bg4 cxd5 Nxd5 Qb3")
  ("B13t" "Caro-Kann: Panov-Botvinnik, 5...Nc6 6.Nf3 Bg4: 9.gxf3 Nb6" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Nf3 Bg4 cxd5 Nxd5 Qb3 Bxf3 gxf3 Nb6")
  ("B13u" "Caro-Kann: Panov-Botvinnik, 5...Nc6 6.Nf3 Bg4: Main Line" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Nf3 Bg4 cxd5 Nxd5 Qb3 Bxf3 gxf3 e6")
  ("B13v" "Caro-Kann: Panov-Botvinnik, 5...Nc6 6.Bg5" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Bg5")
  ("B13v" "Caro-Kann: Panov-Botvinnik, 5...Nc6, Spielmann Variation" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Bg5 Qb6")
  ("B13v" "Caro-Kann: Panov-Botvinnik, 5...Nc6 6.Bg5 dxc4" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Bg5 dxc4")
  ("B13v" "Caro-Kann: Panov-Botvinnik, 5...Nc6, Herzog Defence" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Bg5 dxc4 d5 Na5")
  ("B13w" "Caro-Kann: Panov-Botvinnik, 5...Nc6, Czerniak Variation" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Bg5 Qa5")
  ("B13x" "Caro-Kann: Panov-Botvinnik, 5...Nc6 6.Bg5 Be6" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Bg5 Be6")
  ("B13y" "Caro-Kann: Panov-Botvinnik, 5...Nc6, Normal Variation" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Bg5 e6")
  ("B13y" "Caro-Kann: Panov-Botvinnik, 5...Nc6, Normal Variation" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Bg5 e6 Nf3")
  ("B13y" "Caro-Kann: Panov-Botvinnik, 5...Nc6, Normal Variation" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Bg5 e6 Nf3 Be7")
  ("B13z" "Caro-Kann: Panov-Botvinnik, 5...Nc6, Normal Variaiton, 8.c5" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Bg5 e6 Nf3 Be7 c5")
  ("B13z" "Caro-Kann: Panov-Botvinnik, 5...Nc6, Normal Variation, 8.c5 O-O" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Bg5 e6 Nf3 Be7 c5 O-O")
  ("B13z" "Caro-Kann: Panov-Botvinnik, 5...Nc6, Normal Variation, 8.c5 O-O 9.Bb5" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 Nc6 Bg5 e6 Nf3 Be7 c5 O-O Bb5")
  ("B14a" "Caro-Kann: Panov-Botvinnik, 5...g6" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 g6")
  ("B14a" "Caro-Kann: Panov-Botvinnik, 5...g6 6.Nf3"
   "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 g6 Nf3")
  ("B14b" "Caro-Kann: Panov-Botvinnik, 5...g6 6.cxd5" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 g6 cxd5")
  ("B14c" "Caro-Kann: Panov-Botvinnik, 5...g6 6.cxd5 Nxd5" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 g6 cxd5 Nxd5")
  ("B14d" "Caro-Kann: Panov-Botvinnik, 5...g6 6.cxd5 Nxd5 7.Bc4" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 g6 cxd5 Nxd5 Bc4")
  ("B14e" "Caro-Kann: Panov-Botvinnik, 5...g6 6.cxd5 Bg7" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 g6 cxd5 Bg7")
  ("B14f" "Caro-Kann: Panov-Botvinnik, 5...g6 6.Qb3" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 g6 Qb3")
  ("B14f" "Caro-Kann: Panov-Botvinnik, 5...g6 6.Qb3 Bg7 7.cxd5" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 g6 Qb3 Bg7 cxd5")
  ("B14f" "Caro-Kann: Panov-Botvinnik, 5...g6, Main Line" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 g6 Qb3 Bg7 cxd5 O-O")
  ("B14g" "Caro-Kann: Panov-Botvinnik, 5...g6, Main Line, 8.Be2" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 g6 Qb3 Bg7 cxd5 O-O Be2")
  ("B14h" "Caro-Kann: Panov-Botvinnik, 5...g6, Main Line, 8.Be2 Nbd7" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 g6 Qb3 Bg7 cxd5 O-O Be2 Nbd7")
  ("B14i" "Caro-Kann: Panov-Botvinnik, 5...e6" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 e6")
  ("B14j" "Caro-Kann: Panov-Botvinnik, 5...e6 6.Nf3" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 e6 Nf3")
  ("B14j" "Caro-Kann: Panov-Botvinnik, 5...e6 6.Nf3 Nc6" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 e6 Nf3 Nc6")
  ("B14k" "Caro-Kann: Panov-Botvinnik, 5...e6 6.Nf3 Be7" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 e6 Nf3 Be7")
  ("B14l" "Caro-Kann: Panov-Botvinnik, 5...e6 6.Nf3 Be7 7.Bd3" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 e6 Nf3 Be7 Bd3")
  ("B14m" "Caro-Kann: Panov-Botvinnik, 5...e6 6.Nf3 Be7 7.cxd5" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 e6 Nf3 Be7 cxd5")
  ("B14n" "Caro-Kann: Panov-Botvinnik, 5...e6 6.Nf3 Be7 7.cxd5 Nxd5" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 e6 Nf3 Be7 cxd5 Nxd5")
  ("B14o" "Caro-Kann: Panov-Botvinnik, 5...e6 6.Nf3 Be7 7.cxd5 Nxd5 8.Bd3" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 e6 Nf3 Be7 cxd5 Nxd5 Bd3")
  ("B14p" "Caro-Kann: Panov-Botvinnik, 5...e6 6.Nf3 Bb4" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 e6 Nf3 Bb4")
  ("B14q" "Caro-Kann: Panov-Botvinnik, 5...e6 6.Nf3 Bb4 7.cxd5 exd5" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 e6 Nf3 Bb4 cxd5 exd5")
  ("B14r" "Caro-Kann: Panov-Botvinnik, 5...e6 6.Nf3 Bb4 7.cxd5 Nxd5" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 e6 Nf3 Bb4 cxd5 Nxd5")
  ("B14s" "Caro-Kann: Panov-Botvinnik, 5...e6 6.Nf3 Bb4 7.cxd5 Nxd5 8.Qc2" "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 e6 Nf3 Bb4 cxd5 Nxd5 Qc2")
  ("B14t" "Caro-Kann: Panov-Botvinnik, 5...e6 6.Nf3 Bb4 7.cxd5 Nxd5 8.Qc2 Nc6"
   "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 e6 Nf3 Bb4 cxd5 Nxd5 Qc2 Nc6")
  ("B14u"
   "Caro-Kann: Panov-Botvinnik, 5...e6 6.Nf3 Bb4 7.cxd5 Nxd5 8.Qc2 Nc6 9.Bd3"
   "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 e6 Nf3 Bb4 cxd5 Nxd5 Qc2 Nc6 Bd3")
  ("B14v" "Caro-Kann: Panov-Botvinnik, 5...e6 6.Nf3 Bb4 7.cxd5 Nxd5 8.Bd2"
   "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 e6 Nf3 Bb4 cxd5 Nxd5 Bd2")
  ("B14w" "Caro-Kann: Panov-Botvinnik, 5...e6 6.Nf3 Bb4 7.cxd5 Nxd5 8.Bd2 Nc6"
   "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 e6 Nf3 Bb4 cxd5 Nxd5 Bd2 Nc6")
  ("B14x" "Caro-Kann: Panov-Botvinnik, 5...e6 6.Nf3 Bb4 7.cxd5 Nxd5 8.Bd2 Nc6"
   "e4 c6 d4 d5 exd5 cxd5 c4 Nf6 Nc3 e6 Nf3 Bb4 cxd5 Nxd5 Bd2 Nc6 Bd3 O-O")
  ("B15a" "Caro-Kann: 3.Nc3" "e4 c6 d4 d5 Nc3")
  ("B15b" "Caro-Kann: Gurgenidze Counterattack" "e4 c6 d4 d5 Nc3 b5")
  ("B15c" "Caro-Kann: Gurgenidze/Modern" "e4 c6 d4 d5 Nc3 g6")
  ("B15d" "Caro-Kann: Gurgenidze: 4.Be3" "e4 c6 d4 d5 Nc3 g6 Be3")
  ("B15d" "Caro-Kann: Gurgenidze: 4.Be3" "e4 c6 d4 d5 Nc3 g6 Be3 Bg7")
  ("B15e" "Caro-Kann: Gurgenidze: 4.h3" "e4 c6 d4 d5 Nc3 g6 h3")
  ("B15e" "Caro-Kann: Gurgenidze: 4.h3" "e4 c6 d4 d5 Nc3 g6 h3 Bg7")
  ("B15f" "Caro-Kann: Gurgenidze: 4.e5" "e4 c6 d4 d5 Nc3 g6 e5")
  ("B15f" "Caro-Kann: Gurgenidze: 4.e5" "e4 c6 d4 d5 Nc3 g6 e5 Bg7")
  ("B15g" "Caro-Kann: Gurgenidze: 4.e5 Bg7 5.f4" "e4 c6 d4 d5 Nc3 g6 e5 Bg7 f4")
  ("B15g" "Caro-Kann: Gurgenidze: 4.e5 Bg7 5.f4 Nh6" "e4 c6 d4 d5 Nc3 g6 e5 Bg7 f4 Nh6")
  ("B15h" "Caro-Kann: Gurgenidze: 4.e5 Bg7 5.f4 h5" "e4 c6 d4 d5 Nc3 g6 e5 Bg7 f4 h5")
  ("B15i" "Caro-Kann: Gurgenidze: 4.e5 Bg7 5.f4 h5 6.Nf3" "e4 c6 d4 d5 Nc3 g6 e5 Bg7 f4 h5 Nf3")
  ("B15j" "Caro-Kann: Gurgenidze: 4.Nf3" "e4 c6 d4 d5 Nc3 g6 Nf3")
  ("B15k" "Caro-Kann: Gurgenidze: 4.Nf3 Bg7" "e4 c6 d4 d5 Nc3 g6 Nf3 Bg7")
  ("B15k" "Caro-Kann: Gurgenidze: 4.Nf3 Bg7 5.exd5" "e4 c6 d4 d5 Nc3 g6 Nf3 Bg7 exd5")
  ("B15k" "Caro-Kann: Gurgenidze: 4.Nf3 Bg7 5.e5" "e4 c6 d4 d5 Nc3 g6 Nf3 Bg7 e5")
  ("B15l" "Caro-Kann: Gurgenidze: 4.Nf3 Bg7 5.h3" "e4 c6 d4 d5 Nc3 g6 Nf3 Bg7 h3")
  ("B15m" "Caro-Kann: Gurgenidze: 4.Nf3 Bg7 5.h3 dxe4" "e4 c6 d4 d5 Nc3 g6 Nf3 Bg7 h3 dxe4")
  ("B15m" "Caro-Kann: Gurgenidze: 4.Nf3 Bg7 5.h3 dxe4" "e4 c6 d4 d5 Nc3 g6 Nf3 Bg7 h3 dxe4 Nxe4")
  ("B15n" "Caro-Kann: Gurgenidze: 4.Nf3 Bg7 5.h3 Nf6" "e4 c6 d4 d5 Nc3 g6 Nf3 Bg7 h3 Nf6")
  ("B15o" "Caro-Kann: Gurgenidze: 4.Nf3 Bg7 5.h3 Nf6 6.e5" "e4 c6 d4 d5 Nc3 g6 Nf3 Bg7 h3 Nf6 e5")
  ("B15p" "Caro-Kann: 3.Nc3 dxe4" "e4 c6 d4 d5 Nc3 dxe4")
  ("B15p" "Caro-Kann: Rasa-Studier Gambit" "e4 c6 d4 d5 Nc3 dxe4 f3")
  ("B15p" "Caro-Kann: von Hennig Gambit" "e4 c6 d4 d5 Nc3 dxe4 Bc4")
  ("B15q" "Caro-Kann: 4.Nxe4" "e4 c6 d4 d5 Nc3 dxe4 Nxe4")
  ("B15r" "Caro-Kann: 4.Nxe4 Nf6" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6")
  ("B15r" "Caro-Kann: 4.Nxe4 Nf6 5.f3 Gambit" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 f3")
  ("B15r" "Caro-Kann: Alekhine Gambit" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Bd3")
  ("B15s" "Caro-Kann: 4.Nxe4 Nf6 5.Ng3" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Ng3")
  ("B15t" "Caro-Kann: 4.Nxe4 Nf6 5.Nxf6+" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+")
  ("B15t" "Caro-Kann: Tartakower (Nimzowitsch) Variation" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ exf6")
  ("B15u" "Caro-Kann: Tartakower, Forgacs Variation" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ exf6 Bc4")
  ("B15v" "Caro-Kann: Tartakower, 6.c3" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ exf6 c3")
  ("B16a" "Caro-Kann: Bronstein-Larsen" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ gxf6")
  ("B16b" "Caro-Kann: Bronstein-Larsen, 6.Qd3" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ gxf6 Qd3")
  ("B16c" "Caro-Kann: Bronstein-Larsen, 6.Ne2" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ gxf6 Ne2")
  ("B16d" "Caro-Kann: Bronstein-Larsen, 6.Bc4" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ gxf6 Bc4")
  ("B16e" "Caro-Kann: Bronstein-Larsen, 6.Nf3" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ gxf6 Nf3")
  ("B16f" "Caro-Kann: Bronstein-Larsen, 6.Nf3 Bf5" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ gxf6 Nf3 Bf5")
  ("B16g" "Caro-Kann: Bronstein-Larsen, 6.Nf3 Bg4" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ gxf6 Nf3 Bg4")
  ("B16h" "Caro-Kann: Bronstein-Larsen, 6.Nf3 Bg4 7.Be2 e6" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ gxf6 Nf3 Bg4 Be2 e6")
  ("B16i" "Caro-Kann: Bronstein-Larsen, 6.c3" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ gxf6 c3")
  ("B16j" "Caro-Kann: Bronstein-Larsen, 6.c3 Bf5" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ gxf6 c3 Bf5")
  ("B16k" "Caro-Kann: Bronstein-Larsen, 6.c3 Bf5 7.Ne2" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ gxf6 c3 Bf5 Ne2")
  ("B16l" "Caro-Kann: Bronstein-Larsen, 6.c3 Bf5 7.Nf3" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ gxf6 c3 Bf5 Nf3")
  ("B16m" "Caro-Kann: Bronstein-Larsen, 6.c3 Bf5 7.Nf3 Qc7" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ gxf6 c3 Bf5 Nf3 Qc7")
  ("B16n" "Caro-Kann: Bronstein-Larsen, 6.c3 Bf5 7.Nf3 e6" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nf6 Nxf6+ gxf6 c3 Bf5 Nf3 e6")
  ("B17a" "Caro-Kann: Steinitz Variation" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7")
  ("B17b" "Caro-Kann: Steinitz, 5.Nf3" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Nf3")
  ("B17c" "Caro-Kann: Steinitz, 5.Nf3 Ngf6" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Nf3 Ngf6")
  ("B17d" "Caro-Kann: Steinitz, 5.Nf3 Ngf6 6.Nxf6+" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Nf3 Ngf6 Nxf6+")
  ("B17e" "Caro-Kann: Steinitz, 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.Bc4" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Nf3 Ngf6 Nxf6+ Nxf6 Bc4")
  ("B17f" "Caro-Kann: Steinitz, 5.Nf3 Ngf6 6.Ng3" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Nf3 Ngf6 Ng3")
  ("B17g" "Caro-Kann: Steinitz, 5.Nf3 Ngf6 6.Ng3 e6" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Nf3 Ngf6 Ng3 e6")
  ("B17h" "Caro-Kann: Steinitz, 5.Ng5" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Ng5")
  ("B17i" "Caro-Kann: Steinitz, 5.Ng5 Ngf6" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Ng5 Ngf6")
  ("B17j" "Caro-Kann: Steinitz, 5.Ng5 Ngf6 6.Bd3" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Ng5 Ngf6 Bd3")
  ("B17k" "Caro-Kann: Steinitz, 5.Ng5 Ngf6 6.Bd3 e6" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Ng5 Ngf6 Bd3 e6")
  ("B17l" "Caro-Kann: Steinitz, 5.Ng5 Ngf6 6.Bd3 e6 7.N1f3 Bd6 8.Qe2" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Ng5 Ngf6 Bd3 e6 N1f3 Bd6 Qe2")
  ("B17m" "Caro-Kann: Steinitz, 5.Ng5 Ngf6 6.Bd3, Main Line 10.Qxe4" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Ng5 Ngf6 Bd3 e6 N1f3 Bd6 Qe2 h6 Ne4 Nxe4 Qxe4")
  ("B17n" "Caro-Kann: Steinitz, 5.Ng5 Ngf6 6.Bd3, Main Line 10.Qxe4 Qc7" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Ng5 Ngf6 Bd3 e6 N1f3 Bd6 Qe2 h6 Ne4 Nxe4 Qxe4 Qc7")
  ("B17o" "Caro-Kann: Steinitz, 5.Ng5 Ngf6 6.Bd3, Main Line 10.Qxe4 Nf6" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Ng5 Ngf6 Bd3 e6 N1f3 Bd6 Qe2 h6 Ne4 Nxe4 Qxe4 Nf6")
  ("B17p" "Caro-Kann: Steinitz, 5.Bc4" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Bc4")
  ("B17q" "Caro-Kann: Steinitz, 5.Bc4 Ngf6" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Bc4 Ngf6")
  ("B17r" "Caro-Kann: Steinitz, 5.Bc4 Ngf6 6.Ng5" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Bc4 Ngf6 Ng5")
  ("B17s" "Caro-Kann: Steinitz, 5.Bc4 Ngf6 6.Ng5, 8.Bb3" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Bc4 Ngf6 Ng5 e6 Qe2 Nb6 Bb3")
  ("B17t" "Caro-Kann: Steinitz, 5.Bc4 Ngf6 6.Ng5, 8.Bd3" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Bc4 Ngf6 Ng5 e6 Qe2 Nb6 Bd3")
  ("B17u" "Caro-Kann: Steinitz, 5.Bc4 Ngf6 6.Ng5, 8.Bd3 h6" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Bc4 Ngf6 Ng5 e6 Qe2 Nb6 Bd3 h6")
  ("B18a" "Caro-Kann: Classical" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5")
  ("B18b" "Caro-Kann: Classical, 5.Nc5" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Nc5")
  ("B18c" "Caro-Kann: Classical, 5.Nc5 b6" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Nc5 b6")
  ("B18d" "Caro-Kann: Classical, 5.Ng3" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3")
  ("B18e" "Caro-Kann: Classical, 5.Ng3 Bg6" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6")
  ("B18f" "Caro-Kann: Classical, Maroczy Attack" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 f4")
  ("B18g" "Caro-Kann: Classical, Flohr Variation" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 Nh3")
  ("B18h" "Caro-Kann: Classical, 6.N1e2" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 N1e2")
  ("B18i" "Caro-Kann: Classical, 6.Bc4" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 Bc4")
  ("B18j" "Caro-Kann: Classical, 6.Bc4 e6 7.N1e2" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 Bc4 e6 N1e2")
  ("B18k" "Caro-Kann: Classical, 6.Bc4 e6 7.N1e2 Nf6" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 Bc4 e6 N1e2 Nf6")
  ("B18l" "Caro-Kann: Classical, 6.Nf3" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 Nf3")
  ("B18m" "Caro-Kann: Classical, 6.Nf3 Nd7" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 Nf3 Nd7")
  ("B18n" "Caro-Kann: Classical, 6.Nf3 Nd7 7.Bd3" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 Nf3 Nd7 Bd3")
  ("B18o" "Caro-Kann: Classical, 6.Nf3 Nd7 7.Bd3 e6" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 Nf3 Nd7 Bd3 e6")
  ("B18p" "Caro-Kann: Classical, 6.h4" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4")
  ("B18p" "Caro-Kann: Classical, 6.h4 h6" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6")
  ("B18q" "Caro-Kann: Classical, 6.h4 h6 7.Nh3" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nh3")
  ("B18r" "Caro-Kann: Classical, 6.h4 h6 7.f4" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 f4")
  ("B18s" "Caro-Kann: Classical, 6.h4 h6 7.h5" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 h5")
  ("B19a" "Caro-Kann: Classical, 7.Nf3" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3")
  ("B19b" "Caro-Kann: Classical, 7.Nf3 e6" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 e6")
  ("B19c" "Caro-Kann: Classical, 7.Nf3 Nf6" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nf6")
  ("B19d" "Caro-Kann: Classical, 7.Nf3 Nf6 8.h5" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nf6 h5")
  ("B19d" "Caro-Kann: Classical, 7.Nf3 Nf6 8.h5" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nf6 h5 Bh7")
  ("B19e" "Caro-Kann: Classical, 7.Nf3 Nf6 8.Ne5" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nf6 Ne5")
  ("B19f" "Caro-Kann: Classical, 7.Nf3 Nf6 8.Ne5 Bh7 9.Bd3" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nf6 Ne5 Bh7 Bd3")
  ("B19g" "Caro-Kann: Classical, 7.Nf3 Nd7" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7")
  ("B19h" "Caro-Kann: Classical, Spassky Variation" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5")
  ("B19h" "Caro-Kann: Classical, Spassky Variation" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7")
  ("B19i" "Caro-Kann: Classical, Spassky, 10.Qxd3" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3 Bxd3 Qxd3")
  ("B19j" "Caro-Kann: Classical, Spassky, 10.Qxd3 Ngf6" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3 Bxd3 Qxd3 Ngf6")
  ("B19k" "Caro-Kann: Classical, Spassky, 10.Qxd3 e6" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3 Bxd3 Qxd3 e6")
  ("B19l" "Caro-Kann: Classical, Spassky, 10.Qxd3 e6 11.Bf4" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3 Bxd3 Qxd3 e6 Bf4")
  ("B19m" "Caro-Kann: Classical, Spassky, 10.Qxd3 Qc7" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3 Bxd3 Qxd3 Qc7")
  ("B19n" "Caro-Kann: Classical, Spassky, 10.Qxd3 Qc7 11.Bd2" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3 Bxd3 Qxd3 Qc7 Bd2")
  ("B19o" "Caro-Kann: Classical, Spassky, 10.Qxd3 Qc7 11.Bd2 e6" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3 Bxd3 Qxd3 Qc7 Bd2 e6")
  ("B19p" "Caro-Kann: Classical, Spassky, 10.Qxd3 Qc7 11.Bd2 e6 12.O-O-O" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3 Bxd3 Qxd3 Qc7 Bd2 e6 O-O-O")
  ("B19q" "Caro-Kann: Classical, Spassky, Main Line" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3 Bxd3 Qxd3 Qc7 Bd2 e6 O-O-O Ngf6")
  ("B19r" "Caro-Kann: Classical, Spassky, Main Line, 13.Ne4" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3 Bxd3 Qxd3 Qc7 Bd2 e6 O-O-O Ngf6 Ne4")
  ("B19s" "Caro-Kann: Classical, Spassky, Main Line, 13.Ne4 O-O-O" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3 Bxd3 Qxd3 Qc7 Bd2 e6 O-O-O Ngf6 Ne4 O-O-O")
  ("B19t" "Caro-Kann: Classical, Spassky, Main Line, 14.g3 Nxe4" "e4 c6 d4 d5 Nc3 dxe4 Nxe4 Bf5 Ng3 Bg6 h4 h6 Nf3 Nd7 h5 Bh7 Bd3 Bxd3 Qxd3 Qc7 Bd2 e6 O-O-O Ngf6 Ne4 O-O-O g3 Nxe4")
  ("B20" "Sicilian Defence" "e4 c5")
  ("B20" "Sicilian: Mengarini" "e4 c5 a3")
  ("B20" "Sicilian: Keres Variation (2.Ne2)" "e4 c5 Ne2")
  ("B20" "Sicilian: 2.Bc4" "e4 c5 Bc4")
  ("B20" "Sicilian: Wing Gambit" "e4 c5 b4")
  ("B20" "Sicilian: Wing Gambit, Santasiere Variation" "e4 c5 b4 cxb4 c4")
  ("B20" "Sicilian: Wing Gambit, Marshall Variation" "e4 c5 b4 cxb4 a3")
  ("B20" "Sicilian: Wing Gambit, Marienbad Variation" "e4 c5 b4 cxb4 a3 d5 exd5 Qxd5 Bb2")
  ("B20" "Sicilian: Wing Gambit, Carlsbad Variation" "e4 c5 b4 cxb4 a3 bxa3")
  ("B20" "Sicilian: Snyder" "e4 c5 b3")
  ("B20" "Sicilian: Snyder, 2...e6" "e4 c5 b3 e6")
  ("B20" "Sicilian: Snyder, 2...d6" "e4 c5 b3 d6")
  ("B20" "Sicilian: Snyder, 2...Nc6" "e4 c5 b3 Nc6")
  ("B20" "Sicilian: English (2.c4)" "e4 c5 c4")
  ("B20" "Sicilian: English, 2...e6" "e4 c5 c4 e6")
  ("B20" "Sicilian: English, 2...d6" "e4 c5 c4 d6")
  ("B20" "Sicilian: English, 2...Nc6" "e4 c5 c4 Nc6")
  ("B20" "Sicilian: English, 2...Nc6 3.Nf3" "e4 c5 c4 Nc6 Nf3")
  ("B20" "Sicilian: English, 2...Nc6 3.Ne2" "e4 c5 c4 Nc6 Ne2")
  ("B20" "Sicilian: English, 2...Nc6 3.Nc3" "e4 c5 c4 Nc6 Nc3")
  ("B20" "Sicilian: English, 2...Nc6 3.Nc3 g6" "e4 c5 c4 Nc6 Nc3 g6")
  ("B20" "Sicilian: 2.g3" "e4 c5 g3")
  ("B20" "Sicilian: 2.g3" "e4 c5 g3 g6")
  ("B20" "Sicilian: 2.g3" "e4 c5 g3 g6 Bg2 Bg7")
  ("B20" "Sicilian: 2.g3" "e4 c5 g3 g6 Bg2 Bg7 f4")
  ("B20" "Sicilian: 2.g3" "e4 c5 g3 g6 Bg2 Bg7 f4 d6")
  ("B20" "Sicilian: 2.d3" "e4 c5 d3")
  ("B20" "Sicilian: 2.d3 e6" "e4 c5 d3 e6")
  ("B20" "Sicilian: 2.d3 e6 3.g3" "e4 c5 d3 e6 g3")
  ("B20" "Sicilian: 2.d3 Nc6" "e4 c5 d3 Nc6")
  ("B20" "Sicilian: 2.d3 Nc6 3.g3" "e4 c5 d3 Nc6 g3")
  ("B21a" "Sicilian: Grand Prix Attack" "e4 c5 f4")
  ("B21b" "Sicilian: Grand Prix, 2...g6" "e4 c5 f4 g6")
  ("B21c" "Sicilian: Grand Prix, 2...d6" "e4 c5 f4 d6")
  ("B21d" "Sicilian: Grand Prix, 2...e6" "e4 c5 f4 e6")
  ("B21d" "Sicilian: Grand Prix, 2...e6 3.Nf3" "e4 c5 f4 e6 Nf3")
  ("B21e" "Sicilian: Grand Prix, 2...Nc6" "e4 c5 f4 Nc6")
  ("B21e" "Sicilian: Grand Prix, 2...Nc6 3.d3" "e4 c5 f4 Nc6 d3")
  ("B21f" "Sicilian: Grand Prix, 2...Nc6 3.Nf3" "e4 c5 f4 Nc6 Nf3")
  ("B21g" "Sicilian: Grand Prix, 2...Nc6 3.Nf3 e6" "e4 c5 f4 Nc6 Nf3 e6")
  ("B21h" "Sicilian: Grand Prix, 2...Nc6 3.Nf3 g6" "e4 c5 f4 Nc6 Nf3 g6")
  ("B21i" "Sicilian: Grand Prix, Tal Defence" "e4 c5 f4 d5")
  ("B21i" "Sicilian: Grand Prix, Tal Defence, 3.e5" "e4 c5 f4 d5 e5")
  ("B21i" "Sicilian: Grand Prix, Toilet Variation" "e4 c5 f4 d5 Nc3")
  ("B21j" "Sicilian: Grand Prix, Tal Defence, 3.exd5" "e4 c5 f4 d5 exd5")
  ("B21j" "Sicilian: Grand Prix, Tal Defence, 3.exd5 Qxd5" "e4 c5 f4 d5 exd5 Qxd5")
  ("B21k" "Sicilian: Grand Prix, Tal Gambit" "e4 c5 f4 d5 exd5 Nf6")
  ("B21l" "Sicilian: Grand Prix, Tal Gambit, 4.Bb5+" "e4 c5 f4 d5 exd5 Nf6 Bb5+")
  ("B21m" "Sicilian: Smith-Morra Gambit" "e4 c5 d4")
  ("B21m" "Sicilian: Smith-Morra, 2...d5" "e4 c5 d4 d5")
  ("B21m" "Sicilian: Smith-Morra, 2...cxd4" "e4 c5 d4 cxd4")
  ("B21m" "Sicilian: Halasz Gambit" "e4 c5 d4 cxd4 f4")
  ("B21n" "Sicilian: Smith-Morra, Morphy Gambit" "e4 c5 d4 cxd4 Nf3")
  ("B21n" "Sicilian: Smith-Morra, Andreaschek Gambit" "e4 c5 d4 cxd4 Nf3 e5 c3")
  ("B21o" "Sicilian: Smith-Morra, 3.c3" "e4 c5 d4 cxd4 c3")
  ("B21p" "Sicilian: Smith-Morra, 3.c3 Nf6" "e4 c5 d4 cxd4 c3 Nf6")
  ("B21q" "Sicilian: Smith-Morra, 3.c3 d5" "e4 c5 d4 cxd4 c3 d5")
  ("B21r" "Sicilian: Smith-Morra, 3.c3 d3" "e4 c5 d4 cxd4 c3 d3")
  ("B21s" "Sicilian: Smith-Morra Accepted" "e4 c5 d4 cxd4 c3 dxc3")
  ("B21s" "Sicilian: Smith-Morra Accepted" "e4 c5 d4 cxd4 c3 dxc3 Nxc3")
  ("B21t" "Sicilian: Smith-Morra, 4.Nxc3 d6" "e4 c5 d4 cxd4 c3 dxc3 Nxc3 d6")
  ("B21u" "Sicilian: Smith-Morra, 4.Nxc3 e6" "e4 c5 d4 cxd4 c3 dxc3 Nxc3 e6")
  ("B21v" "Sicilian: Smith-Morra, 4.Nxc3 e6 5.Nf3" "e4 c5 d4 cxd4 c3 dxc3 Nxc3 e6 Nf3")
  ("B21w" "Sicilian: Smith-Morra, 4.Nxc3 Nc6" "e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6")
  ("B21w" "Sicilian: Smith-Morra, 4.Nxc3 Nc6 5.Nf3" "e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3")
  ("B21x" "Sicilian: Smith-Morra, 4.Nxc3 Nc6 5.Nf3 e6" "e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 e6")
  ("B21x" "Sicilian: Smith-Morra, 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4" "e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 e6 Bc4")
  ("B21x" "Sicilian: Smith-Morra, 4.Nxc3 Nc6 5.Nf3 e6 6.Bc4 a6" "e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 e6 Bc4 a6")
  ("B21y" "Sicilian: Smith-Morra, 4.Nxc3 Nc6 5.Nf3 d6" "e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 d6")
  ("B21y" "Sicilian: Smith-Morra, 5.Nf3 d6 6.Bc4" "e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 d6 Bc4")
  ("B21y" "Sicilian: Smith-Morra, 5.Nf3 d6 6.Bc4 a6" "e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 d6 Bc4 a6")
  ("B21y" "Sicilian: Smith-Morra, 5.Nf3 d6 6.Bc4 e6" "e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 d6 Bc4 e6")
  ("B21y" "Sicilian: Smith-Morra, 5.Nf3 d6 6.Bc4 e6 7.O-O" "e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 d6 Bc4 e6 O-O")
  ("B21y" "Sicilian: Smith-Morra Gambit, Chicago Defence" "e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 d6 Bc4 e6 O-O a6 Qe2 b5 Bb3 Ra7")
  ("B21z" "Sicilian: Smith-Morra, 5.Nf3 d6 6.Bc4 e6 7.O-O Nf6" "e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 d6 Bc4 e6 O-O Nf6")
  ("B21z" "Sicilian: Smith-Morra, 5.Nf3 d6 6.Bc4 e6 7.O-O Nf6 8.Qe2 Be7" "e4 c5 d4 cxd4 c3 dxc3 Nxc3 Nc6 Nf3 d6 Bc4 e6 O-O Nf6 Qe2 Be7")
  ("B22a" "Sicilian: Alapin" "e4 c5 c3")
  ("B22a" "Sicilian: Alapin, 2...e5" "e4 c5 c3 e5")
  ("B22a" "Sicilian: Alapin, 2...g6" "e4 c5 c3 g6")
  ("B22a" "Sicilian: Alapin, 2...g6 3.d4" "e4 c5 c3 g6 d4")
  ("B22a" "Sicilian: Alapin, 2...g6 3.d4 cxd4" "e4 c5 c3 g6 d4 cxd4")
  ("B22b" "Sicilian: Alapin, 2...Nc6" "e4 c5 c3 Nc6")
  ("B22b" "Sicilian: Alapin, 2...Nc6 3.Nf3" "e4 c5 c3 Nc6 Nf3")
  ("B22b" "Sicilian: Alapin, 2...Nc6 3.d4" "e4 c5 c3 Nc6 d4")
  ("B22c" "Sicilian: Alapin, 2...e6" "e4 c5 c3 e6")
  ("B22c" "Sicilian: Alapin, 2...e6 3.Nf3" "e4 c5 c3 e6 Nf3")
  ("B22c" "Sicilian: Alapin, 2...e6 3.Nf3 d5" "e4 c5 c3 e6 Nf3 d5")
  ("B22d" "Sicilian: Alapin, 2...e6 3.d4" "e4 c5 c3 e6 d4")
  ("B22d" "Sicilian: Alapin, 2...e6 3.d4 d5" "e4 c5 c3 e6 d4 d5")
  ("B22d" "Sicilian: Alapin, 2...e6 3.d4 d5 4.exd5" "e4 c5 c3 e6 d4 d5 exd5")
  ("B22d" "Sicilian: Alapin, 2...e6 3.d4 d5 4.exd5 exd5" "e4 c5 c3 e6 d4 d5 exd5 exd5")
  ("B22d" "Sicilian: Alapin, 2...e6 3.d4 d5 4.exd5 exd5 5.Nf3" "e4 c5 c3 e6 d4 d5 exd5 exd5 Nf3")
  ("B22d" "Sicilian: Alapin, 2...e6 3.d4 d5 4.exd5 exd5 5.Nf3 Nc6" "e4 c5 c3 e6 d4 d5 exd5 exd5 Nf3 Nc6")
  ("B22e" "Sicilian: Alapin, 2...d6" "e4 c5 c3 d6")
  ("B22f" "Sicilian: Alapin, 2...d5" "e4 c5 c3 d5")
  ("B22f" "Sicilian: Alapin, 2...d5 3.exd5" "e4 c5 c3 d5 exd5")
  ("B22f" "Sicilian: Alapin, 2...d5 3.exd5 Qxd5" "e4 c5 c3 d5 exd5 Qxd5")
  ("B22f" "Sicilian: Alapin, 2...d5 3.exd5 Qxd5 4.d4" "e4 c5 c3 d5 exd5 Qxd5 d4")
  ("B22f" "Sicilian: Alapin, 2...d5 3.exd5 Qxd5 4.d4 cxd4" "e4 c5 c3 d5 exd5 Qxd5 d4 cxd4")
  ("B22f" "Sicilian: Alapin, 2...d5 3.exd5 Qxd5 4.d4 cxd4 5.cxd4" "e4 c5 c3 d5 exd5 Qxd5 d4 cxd4 cxd4")
  ("B22g" "Sicilian: Alapin, 2...d5 3.exd5 Qxd5 4.d4 e6" "e4 c5 c3 d5 exd5 Qxd5 d4 e6")
  ("B22g" "Sicilian: Alapin, 2...d5 3.exd5 Qxd5 4.d4 e6 5.Nf3" "e4 c5 c3 d5 exd5 Qxd5 d4 e6 Nf3")
  ("B22h" "Sicilian: Alapin, 2...d5 3.exd5 Qxd5 4.d4 Nc6" "e4 c5 c3 d5 exd5 Qxd5 d4 Nc6")
  ("B22h" "Sicilian: Alapin, 2...d5 3.exd5 Qxd5 4.d4 Nc6 5.Nf3" "e4 c5 c3 d5 exd5 Qxd5 d4 Nc6 Nf3")
  ("B22h" "Sicilian: Alapin, 2...d5 3.exd5 Qxd5 4.d4 Nc6 5.Nf3 cxd4" "e4 c5 c3 d5 exd5 Qxd5 d4 Nc6 Nf3 cxd4")
  ("B22h" "Sicilian: Alapin, 2...d5 3.exd5 Qxd5 4.d4 Nc6 5.Nf3 cxd4 6.cxd4" "e4 c5 c3 d5 exd5 Qxd5 d4 Nc6 Nf3 cxd4 cxd4")
  ("B22i" "Sicilian: Alapin, 2...d5 3.exd5 Qxd5 4.d4 Nc6 5.Nf3 Bg4" "e4 c5 c3 d5 exd5 Qxd5 d4 Nc6 Nf3 Bg4")
  ("B22j" "Sicilian: Alapin, 2...d5 3.exd5 Qxd5 4.d4 Nf6" "e4 c5 c3 d5 exd5 Qxd5 d4 Nf6")
  ("B22j" "Sicilian: Alapin, 2...d5 3.exd5 Qxd5 4.d4 Nf6 5.Nf3" "e4 c5 c3 d5 exd5 Qxd5 d4 Nf6 Nf3")
  ("B22k" "Sicilian: Alapin, 2...d5 3.exd5 Qxd5 4.d4 Nf6 5.Nf3 Bg4" "e4 c5 c3 d5 exd5 Qxd5 d4 Nf6 Nf3 Bg4")
  ("B22l" "Sicilian: Alapin, 2...d5 3.exd5 Qxd5 4.d4 Nf6 5.Nf3 Bg4 6.Be2 e6" "e4 c5 c3 d5 exd5 Qxd5 d4 Nf6 Nf3 Bg4 Be2 e6")
  ("B22m" "Sicilian: Alapin, 2...d5 3.exd5 Qxd5 4.d4 Nf6 5.Nf3 e6 6.Be3" "e4 c5 c3 d5 exd5 Qxd5 d4 Nf6 Nf3 e6 Be3")
  ("B22n" "Sicilian: Alapin, 2...d5 3.exd5 Qxd5 4.d4 Nf6 5.Nf3 e6 6.Be2" "e4 c5 c3 d5 exd5 Qxd5 d4 Nf6 Nf3 e6 Be2")
  ("B22o" "Sicilian: Alapin, 2...Nf6" "e4 c5 c3 Nf6")
  ("B22o" "Sicilian: Alapin, 2...Nf6 3.e5" "e4 c5 c3 Nf6 e5")
  ("B22o" "Sicilian: Alapin, 2...Nf6 3.e5 Nd5" "e4 c5 c3 Nf6 e5 Nd5")
  ("B22o" "Sicilian: Alapin, 2...Nf6 3.e5 Nd5 4.g3" "e4 c5 c3 Nf6 e5 Nd5 g3")
  ("B22p" "Sicilian: Alapin, 2...Nf6 3.e5 Nd5 4.Nf3" "e4 c5 c3 Nf6 e5 Nd5 Nf3")
  ("B22p" "Sicilian: Alapin, 2...Nf6 3.e5 Nd5 4.Nf3 Nc6" "e4 c5 c3 Nf6 e5 Nd5 Nf3 Nc6")
  ("B22p" "Sicilian: Alapin, Heidenfeld Variation" "e4 c5 c3 Nf6 e5 Nd5 Nf3 Nc6 Na3")
  ("B22p" "Sicilian: Alapin, 2...Nf6 3.e5 Nd5 4.d4" "e4 c5 c3 Nf6 e5 Nd5 d4")
  ("B22q" "Sicilian: Alapin, 2...Nf6 3.e5 Nd5 4.d4 cxd4" "e4 c5 c3 Nf6 e5 Nd5 d4 cxd4")
  ("B22q" "Sicilian: Alapin, 2...Nf6, 5.Bc4" "e4 c5 c3 Nf6 e5 Nd5 d4 cxd4 Bc4")
  ("B22q" "Sicilian: Alapin, 2...Nf6, 5.Qxd4" "e4 c5 c3 Nf6 e5 Nd5 d4 cxd4 Qxd4")
  ("B22r" "Sicilian: Alapin, 2...Nf6 3.e5 Nd5 4.d4 cxd4 5.Nf3" "e4 c5 c3 Nf6 e5 Nd5 d4 cxd4 Nf3")
  ("B22r" "Sicilian: Alapin, 2...Nf6 3.e5 Nd5 4.d4 cxd4 5.Nf3 e6" "e4 c5 c3 Nf6 e5 Nd5 d4 cxd4 Nf3 e6")
  ("B22r" "Sicilian: Alapin, 2...Nf6 3.e5 Nd5 4.d4 cxd4 5.Nf3 Nc6" "e4 c5 c3 Nf6 e5 Nd5 d4 cxd4 Nf3 Nc6")
  ("B22s" "Sicilian: Alapin, 2...Nf6 3.e5 Nd5 4.d4 cxd4 5.Nf3 Nc6 6.Bc4" "e4 c5 c3 Nf6 e5 Nd5 d4 cxd4 Nf3 Nc6 Bc4")
  ("B22t" "Sicilian: Alapin, 2...Nf6, 5.cxd4" "e4 c5 c3 Nf6 e5 Nd5 d4 cxd4 cxd4")
  ("B22t" "Sicilian: Alapin, 2...Nf6, 5.cxd4 d6" "e4 c5 c3 Nf6 e5 Nd5 d4 cxd4 cxd4 d6")
  ("B22t" "Sicilian: Alapin, 2...Nf6, 5.cxd4 Nc6" "e4 c5 c3 Nf6 e5 Nd5 d4 cxd4 cxd4 Nc6")
  ("B22t" "Sicilian: Alapin, 2...Nf6, 5.cxd4 Nc6 6.Nf3" "e4 c5 c3 Nf6 e5 Nd5 d4 cxd4 cxd4 Nc6 Nf3")
  ("B22t" "Sicilian: Alapin, 2...Nf6, 5.cxd4 d6" "e4 c5 c3 Nf6 e5 Nd5 d4 cxd4 cxd4 d6 Nf3")
  ("B22u" "Sicilian: Alapin, 2...Nf6, 5.cxd4 d6 6.Nf3 Nc6" "e4 c5 c3 Nf6 e5 Nd5 d4 cxd4 cxd4 d6 Nf3 Nc6")
  ("B22v" "Sicilian: Alapin, 2...Nf6, 5.cxd4 e6" "e4 c5 c3 Nf6 e5 Nd5 d4 cxd4 cxd4 e6")
  ("B22v" "Sicilian: Alapin, 2...Nf6, 5.cxd4 e6 6.Nf3" "e4 c5 c3 Nf6 e5 Nd5 d4 cxd4 cxd4 e6 Nf3")
  ("B22v" "Sicilian: Alapin, 2...Nf6, 5.cxd4 e6 6.Nf3 Nc6" "e4 c5 c3 Nf6 e5 Nd5 d4 cxd4 cxd4 e6 Nf3 Nc6")
  ("B22w" "Sicilian: Alapin, 2...Nf6, 5.cxd4 e6 6.Nf3 d6" "e4 c5 c3 Nf6 e5 Nd5 d4 cxd4 cxd4 e6 Nf3 d6")
  ("B22x" "Sicilian: Alapin, 2...Nf6, 5.cxd4 e6 6.Nf3 b6" "e4 c5 c3 Nf6 e5 Nd5 d4 cxd4 cxd4 e6 Nf3 b6")
  ("B23a" "Sicilian: Closed" "e4 c5 Nc3")
  ("B23b" "Sicilian: Closed" "e4 c5 Nc3 g6")
  ("B23c" "Sicilian: Closed" "e4 c5 Nc3 d6")
  ("B23c" "Sicilian: Closed" "e4 c5 Nc3 d6 Nge2")
  ("B23d" "Sicilian: Closed" "e4 c5 Nc3 d6 g3")
  ("B23e" "Sicilian: Closed" "e4 c5 Nc3 d6 f4")
  ("B23f" "Sicilian: Closed" "e4 c5 Nc3 e6")
  ("B23g" "Sicilian: Closed" "e4 c5 Nc3 e6 f4")
  ("B23h" "Sicilian: Closed" "e4 c5 Nc3 e6 Nge2")
  ("B23i" "Sicilian: Closed" "e4 c5 Nc3 e6 g3")
  ("B23j" "Sicilian: Closed, Korchnoi Variation" "e4 c5 Nc3 e6 g3 d5")
  ("B23k" "Sicilian: Closed, 2...Nc6" "e4 c5 Nc3 Nc6")
  ("B23l" "Sicilian: Closed, 2...Nc6 3.Bb5" "e4 c5 Nc3 Nc6 Bb5")
  ("B23m" "Sicilian: Closed, 2...Nc6 3.Bb5 Nd4" "e4 c5 Nc3 Nc6 Bb5 Nd4")
  ("B23n" "Sicilian: Chameleon Variation" "e4 c5 Nc3 Nc6 Nge2")
  ("B23n" "Sicilian: Chameleon, 3...e5" "e4 c5 Nc3 Nc6 Nge2 e5")
  ("B23n" "Sicilian: Chameleon, 3...g6" "e4 c5 Nc3 Nc6 Nge2 g6")
  ("B23o" "Sicilian: Closed, Grand Prix" "e4 c5 Nc3 Nc6 f4")
  ("B23o" "Sicilian: Closed, Grand Prix, 3...d6" "e4 c5 Nc3 Nc6 f4 d6")
  ("B23p" "Sicilian: Closed, Grand Prix, 3...d6 4.Nf3 g6" "e4 c5 Nc3 Nc6 f4 d6 Nf3 g6")
  ("B23q" "Sicilian: Closed, Grand Prix, 3...e6" "e4 c5 Nc3 Nc6 f4 e6")
  ("B23q" "Sicilian: Closed, Grand Prix, 3...e6 4.Nf3" "e4 c5 Nc3 Nc6 f4 e6 Nf3")
  ("B23r" "Sicilian: Closed, Grand Prix, 3...e6 4.Nf3 d5" "e4 c5 Nc3 Nc6 f4 e6 Nf3 d5")
  ("B23s" "Sicilian: Closed, Grand Prix, 3...g6" "e4 c5 Nc3 Nc6 f4 g6")
  ("B23t" "Sicilian: Closed, Grand Prix, 3...g6 4.Nf3 Bg7 5.Bc4" "e4 c5 Nc3 Nc6 f4 g6 Nf3 Bg7 Bc4")
  ("B23u" "Sicilian: Closed, Grand Prix, 3...g6 4.Nf3 Bg7 5.Bc4 e6" "e4 c5 Nc3 Nc6 f4 g6 Nf3 Bg7 Bc4 e6")
  ("B23v" "Sicilian: Closed, Grand Prix, Schofman Variation" "e4 c5 Nc3 Nc6 f4 g6 Nf3 Bg7 Bc4 e6 f5")
  ("B23w" "Sicilian: Closed, Grand Prix, 3...g6 4.Nf3 Bg7 5.Bb5" "e4 c5 Nc3 Nc6 f4 g6 Nf3 Bg7 Bb5")
  ("B23w" "Sicilian: Closed, Grand Prix, 3...g6 4.Nf3 Bg7 5.Bb5 Nd4" "e4 c5 Nc3 Nc6 f4 g6 Nf3 Bg7 Bb5 Nd4")
  ("B23x" "Sicilian: Closed, Grand Prix, 3...g6 4.Nf3 Bg7 5.Bb5 Nd4 6.Bd3" "e4 c5 Nc3 Nc6 f4 g6 Nf3 Bg7 Bb5 Nd4 Bd3")
  ("B23y" "Sicilian: Closed, Grand Prix, 3...g6 4.Nf3 Bg7 5.Bb5 Nd4 6.O-O" "e4 c5 Nc3 Nc6 f4 g6 Nf3 Bg7 Bb5 Nd4 O-O")
  ("B24" "Sicilian: Closed, 3.g3" "e4 c5 Nc3 Nc6 g3")
  ("B24" "Sicilian: Closed, 3.g3 e6" "e4 c5 Nc3 Nc6 g3 e6")
  ("B24" "Sicilian: Closed, 3.g3 g6" "e4 c5 Nc3 Nc6 g3 g6")
  ("B24" "Sicilian: Closed, 3.g3 g6" "e4 c5 Nc3 Nc6 g3 g6 d3")
  ("B24" "Sicilian: Closed, 3.g3 g6" "e4 c5 Nc3 Nc6 g3 g6 Bg2")
  ("B24" "Sicilian: Closed, 3.g3 g6" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7")
  ("B24" "Sicilian: Closed, 3.g3 g6, 5.Nge2" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 Nge2")
  ("B24" "Sicilian: Closed, 3.g3 g6, 5.f4" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 f4")
  ("B24" "Sicilian: Closed, 3.g3 g6, 5.d3" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3")
  ("B24" "Sicilian: Closed, 3.g3 g6, 5.d3 e6" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 e6")
  ("B24" "Sicilian: Closed, Smyslov Variation" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 e6 Be3 Nd4 Nce2")
  ("B24" "Sicilian: Closed, 3.g3 g6, 5.d3 e6 6.f4" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 e6 f4")
  ("B25a" "Sicilian: Closed, 3.g3, 5.d3 d6" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6")
  ("B25b" "Sicilian: Closed, 3.g3, 5.d3 d6 6.Nge2" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Nge2")
  ("B25c" "Sicilian: Closed, Botvinnik" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Nge2 e5")
  ("B25d" "Sicilian: Closed, 3.g3, 5.d3 d6 6.Nge2 e6" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Nge2 e6")
  ("B25e" "Sicilian: Closed, 6.f4" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4")
  ("B25f" "Sicilian: Closed, 6.f4 Rb8" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 Rb8")
  ("B25g" "Sicilian: Closed, 6.f4 Nf6" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 Nf6")
  ("B25h" "Sicilian: Closed, 6.f4 Nf6 7.Nf3" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 Nf6 Nf3")
  ("B25i" "Sicilian: Closed, 6.f4 e5" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e5")
  ("B25j" "Sicilian: Closed, 6.f4 e5 7.Nf3" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e5 Nf3")
  ("B25j" "Sicilian: Closed, 6.f4 e5 7.Nf3 Nge7" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e5 Nf3 Nge7")
  ("B25k" "Sicilian: Closed, 6.f4 e5 7.Nf3 Nge7 8.O-O" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e5 Nf3 Nge7 O-O")
  ("B25l" "Sicilian: Closed, 6.f4 e6" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e6")
  ("B25m" "Sicilian: Closed, 6.f4 e6" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e6 Nf3")
  ("B25n" "Sicilian: Closed, 6.f4 e6" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e6 Nf3 Nge7")
  ("B25o" "Sicilian: Closed, 6.f4 e6" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e6 Nf3 Nge7 O-O")
  ("B25p" "Sicilian: Closed, 6.f4 e6" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e6 Nf3 Nge7 O-O O-O")
  ("B25q" "Sicilian: Closed, 6.f4 e6: 9.Be3" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e6 Nf3 Nge7 O-O O-O Be3")
  ("B25r" "Sicilian: Closed, 6.f4 e6: 9.Be3 Rb8" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e6 Nf3 Nge7 O-O O-O Be3 Rb8")
  ("B25s" "Sicilian: Closed, 6.f4 e6: 9.Be3 b6" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e6 Nf3 Nge7 O-O O-O Be3 b6")
  ("B25t" "Sicilian: Closed, 6.f4 e6: 9.Be3 Nd4" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e6 Nf3 Nge7 O-O O-O Be3 Nd4")
  ("B25u" "Sicilian: Closed, 6.f4 e6: 9.Be3 Nd4 10.Rb1" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e6 Nf3 Nge7 O-O O-O Be3 Nd4 Rb1")
  ("B25v" "Sicilian: Closed, 6.f4 e6: 9.Be3 Nd4 10.Qd2" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e6 Nf3 Nge7 O-O O-O Be3 Nd4 Qd2")
  ("B25w" "Sicilian: Closed, 6.f4 e6: 9.Be3 Nd4 10.e5" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e6 Nf3 Nge7 O-O O-O Be3 Nd4 e5")
  ("B25x" "Sicilian: Closed, 6.f4 e6: 9.Be3 Nd4 10.e5 Nef5" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 f4 e6 Nf3 Nge7 O-O O-O Be3 Nd4 e5 Nef5")
  ("B26a" "Sicilian: Closed, 6.Be3" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Be3")
  ("B26b" "Sicilian: Closed, 6.Be3 Nf6" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Be3 Nf6")
  ("B26c" "Sicilian: Closed, 6.Be3 Nf6 7.h3" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Be3 Nf6 h3")
  ("B26d" "Sicilian: Closed, 6.Be3 e5" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Be3 e5")
  ("B26e" "Sicilian: Closed, 6.Be3 e5 7.Qd2" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Be3 e5 Qd2")
  ("B26f" "Sicilian: Closed, 6.Be3 e5 7.Qd2 Nge7" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Be3 e5 Qd2 Nge7")
  ("B26g" "Sicilian: Closed, 6.Be3 Rb8" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Be3 Rb8")
  ("B26h" "Sicilian: Closed, 6.Be3 Rb8 7.Qd2" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Be3 Rb8 Qd2")
  ("B26i" "Sicilian: Closed, 6.Be3 Rb8 7.Qd2 b5" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Be3 Rb8 Qd2 b5")
  ("B26j" "Sicilian: Closed, 6.Be3 Rb8 7.Qd2 b5 8.Nge2" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Be3 Rb8 Qd2 b5 Nge2")
  ("B26k" "Sicilian: Closed, 6.Be3 e6" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Be3 e6")
  ("B26l" "Sicilian: Closed, 6.Be3 e6 7.Qd2" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Be3 e6 Qd2")
  ("B26m" "Sicilian: Closed, 6.Be3 e6 7.Qd2 Qa5" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Be3 e6 Qd2 Qa5")
  ("B26n" "Sicilian: Closed, 6.Be3 e6 7.Qd2 Nd4" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Be3 e6 Qd2 Nd4")
  ("B26o" "Sicilian: Closed, 6.Be3 e6 7.Qd2 Nge7" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Be3 e6 Qd2 Nge7")
  ("B26p" "Sicilian: Closed, 6.Be3 e6 7.Qd2 Rb8" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Be3 e6 Qd2 Rb8")
  ("B26q" "Sicilian: Closed, 6.Be3 e6 7.Qd2 Rb8 8.Nge2" "e4 c5 Nc3 Nc6 g3 g6 Bg2 Bg7 d3 d6 Be3 e6 Qd2 Rb8 Nge2")
  ("B27a" "Sicilian: 2.Nf3" "e4 c5 Nf3")
  ("B27b" "Sicilian: Mongoose Variation" "e4 c5 Nf3 Qa5")
  ("B27c" "Sicilian: Quinteros Variation" "e4 c5 Nf3 Qc7")
  ("B27d" "Sicilian: Katalimov Variation" "e4 c5 Nf3 b6")
  ("B27e" "Sicilian: Hungarian Variation" "e4 c5 Nf3 g6")
  ("B27f" "Sicilian: Hungarian, 3.c4" "e4 c5 Nf3 g6 c4")
  ("B27g" "Sicilian: Hungarian, 3.c3" "e4 c5 Nf3 g6 c3")
  ("B27h" "Sicilian: Hungarian, 3.c3 Bg7 4.d4 cxd4 5.cxd4" "e4 c5 Nf3 g6 c3 Bg7 d4 cxd4 cxd4")
  ("B27i" "Sicilian: Hungarian, 3.c3 Bg7 4.d4 cxd4 5.cxd4 d5" "e4 c5 Nf3 g6 c3 Bg7 d4 cxd4 cxd4 d5")
  ("B27j" "Sicilian: Hungarian, 3.d4" "e4 c5 Nf3 g6 d4")
  ("B27k" "Sicilian: Hungarian, 3.d4 cxd4" "e4 c5 Nf3 g6 d4 cxd4")
  ("B27l" "Sicilian: Hungarian, 3.d4 cxd4 4.Nxd4" "e4 c5 Nf3 g6 d4 cxd4 Nxd4")
  ("B27m" "Sicilian: Accelerated Pterodactyl" "e4 c5 Nf3 g6 d4 Bg7")
  ("B27n" "Sicilian: Accelerated Pterodactyl, 4.dxc5" "e4 c5 Nf3 g6 d4 Bg7 dxc5")
  ("B27o" "Sicilian: Accelerated Pterodactyl, 4.dxc5 Qa5+" "e4 c5 Nf3 g6 d4 Bg7 dxc5 Qa5+")
  ("B27p" "Sicilian: Accelerated Pterodactyl, 4.dxc5 Qa5+ 5.Nc3" "e4 c5 Nf3 g6 d4 Bg7 dxc5 Qa5+ Nc3")
  ("B27q" "Sicilian: Accelerated Pterodactyl, 4.dxc5 Qa5+ 5.c3" "e4 c5 Nf3 g6 d4 Bg7 dxc5 Qa5+ c3")
  ("B27r" "Sicilian: Accelerated Pterodactyl, 4.dxc5 Qa5+ 5.c3" "e4 c5 Nf3 g6 d4 Bg7 dxc5 Qa5+ c3 Qxc5")
  ("B27s" "Sicilian: Accelerated Pterodactyl, 4.c4" "e4 c5 Nf3 g6 d4 Bg7 c4")
  ("B27t" "Sicilian: Accelerated Pterodactyl, 4.c4 Qa5+" "e4 c5 Nf3 g6 d4 Bg7 c4 Qa5+")
  ("B27t" "Sicilian: Accelerated Pterodactyl, 4.Nc3" "e4 c5 Nf3 g6 d4 Bg7 Nc3")
  ("B28a" "Sicilian: O'Kelly Variation" "e4 c5 Nf3 a6")
  ("B28b" "Sicilian: O'Kelly, 3.Nc3" "e4 c5 Nf3 a6 Nc3")
  ("B28c" "Sicilian: O'Kelly, 3.d4" "e4 c5 Nf3 a6 d4")
  ("B28d" "Sicilian: O'Kelly, 3.d4 cxd4 4.Nxd4" "e4 c5 Nf3 a6 d4 cxd4 Nxd4")
  ("B28e" "Sicilian: O'Kelly, 3.d4 cxd4 4.Nxd4 Nf6" "e4 c5 Nf3 a6 d4 cxd4 Nxd4 Nf6")
  ("B28f" "Sicilian: O'Kelly, 3.c4" "e4 c5 Nf3 a6 c4")
  ("B28g" "Sicilian: O'Kelly, 3.c4 e6" "e4 c5 Nf3 a6 c4 e6")
  ("B28h" "Sicilian: O'Kelly, 3.c3" "e4 c5 Nf3 a6 c3")
  ("B28i" "Sicilian: O'Kelly, 3.c3 e6" "e4 c5 Nf3 a6 c3 e6")
  ("B28j" "Sicilian: O'Kelly, 3.c3 d5" "e4 c5 Nf3 a6 c3 d5")
  ("B29a" "Sicilian: Nimzowitsch" "e4 c5 Nf3 Nf6")
  ("B29b" "Sicilian: Nimzowitsch, 3.d3" "e4 c5 Nf3 Nf6 d3")
  ("B29c" "Sicilian: Nimzowitsch, 3.Nc3" "e4 c5 Nf3 Nf6 Nc3")
  ("B29d" "Sicilian: Nimzowitsch, 3.Nc3 d5" "e4 c5 Nf3 Nf6 Nc3 d5")
  ("B29e" "Sicilian: Nimzowitsch, 3.Nc3 d5 4.exd5" "e4 c5 Nf3 Nf6 Nc3 d5 exd5")
  ("B29f" "Sicilian: Nimzowitsch, 3.e5" "e4 c5 Nf3 Nf6 e5")
  ("B29f" "Sicilian: Nimzowitsch, 3.e5 Nd5" "e4 c5 Nf3 Nf6 e5 Nd5")
  ("B29g" "Sicilian: Nimzowitsch, 4.c4" "e4 c5 Nf3 Nf6 e5 Nd5 c4")
  ("B29h" "Sicilian: Nimzowitsch, 4.d4" "e4 c5 Nf3 Nf6 e5 Nd5 d4")
  ("B29i" "Sicilian: Nimzowitsch, 4.Nc3" "e4 c5 Nf3 Nf6 e5 Nd5 Nc3")
  ("B29j" "Sicilian: Nimzowitsch, 4.Nc3 Nxc3" "e4 c5 Nf3 Nf6 e5 Nd5 Nc3 Nxc3")
  ("B29k" "Sicilian: Nimzowitsch, 4.Nc3 e6" "e4 c5 Nf3 Nf6 e5 Nd5 Nc3 e6")
  ("B29l" "Sicilian: Nimzowitsch, 4.Nc3 e6 5.Nxd5" "e4 c5 Nf3 Nf6 e5 Nd5 Nc3 e6 Nxd5")
  ("B29m" "Sicilian: Nimzowitsch, Rubinstein Countergambit" "e4 c5 Nf3 Nf6 e5 Nd5 Nc3 e6 Nxd5 exd5 d4 Nc6")
  ("B29n" "Sicilian: Nimzowitsch, Rubinstein Countergambit, 7.dxc5" "e4 c5 Nf3 Nf6 e5 Nd5 Nc3 e6 Nxd5 exd5 d4 Nc6 dxc5")
  ("B30a" "Sicilian: 2...Nc6" "e4 c5 Nf3 Nc6")
  ("B30b" "Sicilian: 2...Nc6 3.b3" "e4 c5 Nf3 Nc6 b3")
  ("B30c" "Sicilian: 2...Nc6 3.d3" "e4 c5 Nf3 Nc6 d3")
  ("B30c" "Sicilian: 2...Nc6 3.d3 Nf6" "e4 c5 Nf3 Nc6 d3 Nf6")
  ("B30d" "Sicilian: 2...Nc6 3.g3" "e4 c5 Nf3 Nc6 g3")
  ("B30e" "Sicilian: 2...Nc6 3.g3 e6 4.d3" "e4 c5 Nf3 Nc6 g3 e6 d3")
  ("B30f" "Sicilian: 2...Nc6 3.g3 e6 4.d3 d5" "e4 c5 Nf3 Nc6 g3 e6 d3 d5")
  ("B30g" "Sicilian: 2...Nc6 3.Bc4" "e4 c5 Nf3 Nc6 Bc4")
  ("B30h" "Sicilian: 2...Nc6 3.Nc3" "e4 c5 Nf3 Nc6 Nc3")
  ("B30h" "Sicilian: 2...Nc6 3.Nc3 Nf6" "e4 c5 Nf3 Nc6 Nc3 Nf6")
  ("B30i" "Sicilian: 2...Nc6 3.Nc3 g6" "e4 c5 Nf3 Nc6 Nc3 g6")
  ("B30j" "Sicilian: 2...Nc6 3.Nc3 e5" "e4 c5 Nf3 Nc6 Nc3 e5")
  ("B30k" "Sicilian: Rossolimo" "e4 c5 Nf3 Nc6 Bb5")
  ("B30l" "Sicilian: Rossolimo, 3...Qb6" "e4 c5 Nf3 Nc6 Bb5 Qb6")
  ("B30m" "Sicilian: Rossolimo, 3...Nf6" "e4 c5 Nf3 Nc6 Bb5 Nf6")
  ("B30n" "Sicilian: Rossolimo, 3...e6" "e4 c5 Nf3 Nc6 Bb5 e6")
  ("B30o" "Sicilian: Rossolimo, 3...e6 4.b3" "e4 c5 Nf3 Nc6 Bb5 e6 b3")
  ("B30p" "Sicilian: Rossolimo, 3...e6 4.Nc3" "e4 c5 Nf3 Nc6 Bb5 e6 Nc3")
  ("B30q" "Sicilian: Rossolimo, 3...e6 4.Bxc6" "e4 c5 Nf3 Nc6 Bb5 e6 Bxc6")
  ("B30r" "Sicilian: Rossolimo, 3...e6 4.O-O" "e4 c5 Nf3 Nc6 Bb5 e6 O-O")
  ("B30s" "Sicilian: Rossolimo, 3...e6 4.O-O Nge7" "e4 c5 Nf3 Nc6 Bb5 e6 O-O Nge7")
  ("B30s" "Sicilian: Rossolimo, 3...e6 4.O-O Nge7 5.b3" "e4 c5 Nf3 Nc6 Bb5 e6 O-O Nge7 b3")
  ("B30t" "Sicilian: Rossolimo, 3...e6 4.O-O Nge7 5.Re1" "e4 c5 Nf3 Nc6 Bb5 e6 O-O Nge7 Re1")
  ("B30u" "Sicilian: Rossolimo, 3...e6 4.O-O Nge7 5.Nc3" "e4 c5 Nf3 Nc6 Bb5 e6 O-O Nge7 Nc3")
  ("B30v" "Sicilian: Rossolimo, 3...e6 4.O-O Nge7 5.c3" "e4 c5 Nf3 Nc6 Bb5 e6 O-O Nge7 c3")
  ("B30w" "Sicilian: Rossolimo, 3...e6 4.O-O Nge7 5.c3 a6" "e4 c5 Nf3 Nc6 Bb5 e6 O-O Nge7 c3 a6")
  ("B31a" "Sicilian: Rossolimo, 3...g6" "e4 c5 Nf3 Nc6 Bb5 g6")
  ("B31b" "Sicilian: Rossolimo, 3...g6 4.Nc3" "e4 c5 Nf3 Nc6 Bb5 g6 Nc3")
  ("B31c" "Sicilian: Rossolimo, 3...g6 4.Bxc6" "e4 c5 Nf3 Nc6 Bb5 g6 Bxc6")
  ("B31d" "Sicilian: Rossolimo, 3...g6 4.Bxc6 dxc6" "e4 c5 Nf3 Nc6 Bb5 g6 Bxc6 dxc6")
  ("B31e" "Sicilian: Rossolimo, 3...g6 4.Bxc6 dxc6 5.d3" "e4 c5 Nf3 Nc6 Bb5 g6 Bxc6 dxc6 d3")
  ("B31f" "Sicilian: Rossolimo, 3...g6 4.Bxc6 dxc6 5.d3 Bg7 6.h3" "e4 c5 Nf3 Nc6 Bb5 g6 Bxc6 dxc6 d3 Bg7 h3")
  ("B31g" "Sicilian: Rossolimo, 3...g6 4.O-O" "e4 c5 Nf3 Nc6 Bb5 g6 O-O")
  ("B31h" "Sicilian: Rossolimo, 3...g6 4.O-O Bg7 5.c3" "e4 c5 Nf3 Nc6 Bb5 g6 O-O Bg7 c3")
  ("B31i" "Sicilian: Rossolimo, 3...g6 4.O-O Bg7 5.c3 e5" "e4 c5 Nf3 Nc6 Bb5 g6 O-O Bg7 c3 e5")
  ("B31j" "Sicilian: Rossolimo, 3...g6 4.O-O Bg7 5.Re1" "e4 c5 Nf3 Nc6 Bb5 g6 O-O Bg7 Re1")
  ("B31k" "Sicilian: Rossolimo, 3...g6 4.O-O Bg7 5.Re1 Nf6" "e4 c5 Nf3 Nc6 Bb5 g6 O-O Bg7 Re1 Nf6")
  ("B31l" "Sicilian: Rossolimo, 3...g6 4.O-O Bg7 5.Re1 Nf6 6.c3" "e4 c5 Nf3 Nc6 Bb5 g6 O-O Bg7 Re1 Nf6 c3")
  ("B31m" "Sicilian: Rossolimo, 3...g6 4.O-O Bg7 5.Re1 Nf6 6.c3 O-O 7.h3" "e4 c5 Nf3 Nc6 Bb5 g6 O-O Bg7 Re1 Nf6 c3 O-O h3")
  ("B31n" "Sicilian: Rossolimo, 3...g6 4.O-O Bg7 5.Re1 Nf6 6.c3 O-O 7.d4" "e4 c5 Nf3 Nc6 Bb5 g6 O-O Bg7 Re1 Nf6 c3 O-O d4")
  ("B31o" "Sicilian: Rossolimo, 3...g6 4.O-O Bg7 5.Re1 e5" "e4 c5 Nf3 Nc6 Bb5 g6 O-O Bg7 Re1 e5")
  ("B31p" "Sicilian: Rossolimo, Gurgenidze Variation" "e4 c5 Nf3 Nc6 Bb5 g6 O-O Bg7 Re1 e5 b4")
  ("B31q" "Sicilian: Rossolimo, 3...g6 4.O-O Bg7 5.Re1 e5" "e4 c5 Nf3 Nc6 Bb5 g6 O-O Bg7 Re1 e5 c3")
  ("B32a" "Sicilian: 2...Nc6 3.d4" "e4 c5 Nf3 Nc6 d4")
  ("B32b" "Sicilian: 2...Nc6 3.d4 cxd4" "e4 c5 Nf3 Nc6 d4 cxd4")
  ("B32c" "Sicilian: Open, 2...Nc6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4")
  ("B32d" "Sicilian: Open, 2...Nc6, 4...d6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 d6")
  ("B32e" "Sicilian: Open, 2...Nc6, 4...Qb6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Qb6")
  ("B32f" "Sicilian: Flohr Variation" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Qc7")
  ("B32g" "Sicilian: Flohr, 5.Nb5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Qc7 Nb5")
  ("B32h" "Sicilian: 2..Nc6, Nimzowitsch Variation" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 d5")
  ("B32i" "Sicilian: Lowenthal" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 e5")
  ("B32j" "Sicilian: Lowenthal, 5.Nb5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 e5 Nb5")
  ("B32k" "Sicilian: Lowenthal, 5...a6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 e5 Nb5 a6")
  ("B32l" "Sicilian: Lowenthal, 5...a6, Queenswap" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 e5 Nb5 a6 Nd6+ Bxd6 Qxd6 Qf6 Qxf6")
  ("B32m" "Sicilian: Lowenthal, 5...a6, 8.Qd1" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 e5 Nb5 a6 Nd6+ Bxd6 Qxd6 Qf6 Qd1")
  ("B32n" "Sicilian: Lowenthal, Kalashnikov" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6")
  ("B32o" "Sicilian: Lowenthal, Kalashnikov, 6.a4" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 a4")
  ("B32p" "Sicilian: Lowenthal, Kalashnikov, 6.N1c3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 N1c3")
  ("B32q" "Sicilian: Lowenthal, Kalashnikov, 6.N1c3 a6 7.Na3 b5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 N1c3 a6 Na3 b5")
  ("B32r" "Sicilian: Lowenthal, Kalashnikov, 6.N1c3 a6 7.Na3 b5 8.Nd5 Nge7" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 N1c3 a6 Na3 b5 Nd5 Nge7")
  ("B32s" "Sicilian: Lowenthal, Kalashnikov, 6.c4" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 c4")
  ("B32t" "Sicilian: Lowenthal, Kalashnikov, 6.c4 Be7" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 c4 Be7")
  ("B32u" "Sicilian: Lowenthal, Kalashnikov, 6.c4 Be7 7.Be2" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 c4 Be7 Be2")
  ("B32v" "Sicilian: Lowenthal, Kalashnikov, 6.c4 Be7 7.N1c3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 c4 Be7 N1c3")
  ("B32w" "Sicilian: Lowenthal, Kalashnikov, Main Line" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 c4 Be7 N1c3 a6 Na3 Be6")
  ("B32x" "Sicilian: Lowenthal, Kalashnikov, Main Line, 9.Nc2" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 c4 Be7 N1c3 a6 Na3 Be6 Nc2")
  ("B32y" "Sicilian: Lowenthal, Kalashnikov, Main Line, 9.Be2" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 e5 Nb5 d6 c4 Be7 N1c3 a6 Na3 Be6 Be2")
  ("B33a" "Sicilian: Open, 2...Nc6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6")
  ("B33b" "Sicilian: Open, 2...Nc6, 5...Qb6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 Qb6")
  ("B33b" "Sicilian: Open, 2...Nc6, 5...Qb6 6.Nb3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 Qb6 Nb3")
  ("B33b" "Sicilian: Open, 2...Nc6, 5...Qb6 6.Nb3 e6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 Qb6 Nb3 e6")
  ("B33c" "Sicilian: Open, 2...Nc6, 5...Qb6 6.Nb3 e6 7.Bd3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 Qb6 Nb3 e6 Bd3")
  ("B33d" "Sicilian: Pelikan/Sveshnikov" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5")
  ("B33d" "Sicilian: Pelikan/Sveshnikov, 6.Nxc6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Nxc6")
  ("B33d" "Sicilian: Pelikan/Sveshnikov, 6.Nf5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Nf5")
  ("B33d" "Sicilian: Pelikan/Sveshnikov, 6.Nf3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Nf3")
  ("B33d" "Sicilian: Pelikan/Sveshnikov, 6.Nb3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Nb3")
  ("B33e" "Sicilian: Pelikan/Sveshnikov, 6.Nbd5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5")
  ("B33e" "Sicilian: Pelikan, Haberditz Variation" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 h6")
  ("B33f" "Sicilian: Pelikan/Sveshnikov, Pelikan Variation" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6")
  ("B33f" "Sicilian: Pelikan, 7.Na3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Na3")
  ("B33g" "Sicilian: Pelikan, 7.a4" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 a4")
  ("B33g" "Sicilian: Pelikan, 7.a4" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 a4 a6 Na3")
  ("B33h" "Sicilian: Pelikan, 7.Nd5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Nd5")
  ("B33i" "Sicilian: Pelikan, 7.Bg5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5")
  ("B33i" "Sicilian: Pelikan, 7.Bg5 a6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6")
  ("B33j" "Sicilian: Pelikan, 7.Bg5 a6 8.Bxf6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Bxf6")
  ("B33k" "Sicilian: Pelikan, 7.Bg5 a6 8.Na3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3")
  ("B33k" "Sicilian: Pelikan, Bird Variation" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 Be6")
  ("B33l" "Sicilian: Pelikan, Chelyabinsk Variation" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5")
  ("B33l" "Sicilian: Pelikan, Chelyabinsk, 9.Nd5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Nd5")
  ("B33m" "Sicilian: Pelikan, Chelyabinsk, 9.Nd5 Be7" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Nd5 Be7")
  ("B33n" "Sicilian: Pelikan, Chelyabinsk, 9.Nd5 Be7, 11.c3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Nd5 Be7 Bxf6 Bxf6 c3")
  ("B33o" "Sicilian: Pelikan, Chelyabinsk, 9.Nd5 Be7, 11.c3 O-O" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Nd5 Be7 Bxf6 Bxf6 c3 O-O")
  ("B33p" "Sicilian: Pelikan, Chelyabinsk, 9.Nd5 Be7, 11.c3 Bg5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Nd5 Be7 Bxf6 Bxf6 c3 Bg5")
  ("B33q" "Sicilian: Pelikan, Chelyabinsk, 9.Nd5 Be7, 11.c3 O-O 12.Nc2 Bg5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Nd5 Be7 Bxf6 Bxf6 c3 O-O Nc2 Bg5")
  ("B33r" "Sicilian: Pelikan, Chelyabinsk, 9.Nd5 Be7, 11.c3 O-O 12.Nc2 Bg5 13.a4" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Nd5 Be7 Bxf6 Bxf6 c3 O-O Nc2 Bg5 a4")
  ("B33s" "Sicilian: Pelikan, Chelyabinsk, 9.Bxf6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Bxf6")
  ("B33s" "Sicilian: Pelikan, Chelyabinsk, 9.Bxf6 gxf6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Bxf6 gxf6")
  ("B33s" "Sicilian: Pelikan, Chelyabinsk, 9.Bxf6 gxf6 10.Nd5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Bxf6 gxf6 Nd5")
  ("B33s" "Sicilian: Pelikan, Chelyabinsk, 9.Bxf6 gxf6 10.Nd5 Bg7" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Bxf6 gxf6 Nd5 Bg7")
  ("B33t" "Sicilian: Pelikan, Chelyabinsk, 9.Bxf6 gxf6 10.Nd5 Bg7 11.Bd3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Bxf6 gxf6 Nd5 Bg7 Bd3")
  ("B33u" "Sicilian: Pelikan, Sveshnikov Variation" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Bxf6 gxf6 Nd5 f5")
  ("B33v" "Sicilian: Pelikan, Sveshnikov, 11.c3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Bxf6 gxf6 Nd5 f5 c3")
  ("B33v" "Sicilian: Pelikan, Sveshnikov, 11.c3 Bg7" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Bxf6 gxf6 Nd5 f5 c3 Bg7")
  ("B33v" "Sicilian: Pelikan, Sveshnikov, 11.c3 Bg7 12.exf5 Bxf5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Bxf6 gxf6 Nd5 f5 c3 Bg7 exf5 Bxf5")
  ("B33w" "Sicilian: Pelikan, Sveshnikov, 11.c3 Bg7 12.exf5 Bxf5 13.Nc2 O-O" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Bxf6 gxf6 Nd5 f5 c3 Bg7 exf5 Bxf5 Nc2 O-O")
  ("B33x" "Sicilian: Pelikan, Sveshnikov, 11.Bd3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Bxf6 gxf6 Nd5 f5 Bd3")
  ("B33x" "Sicilian: Pelikan, Sveshnikov, 11.Bd3 Be6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Bxf6 gxf6 Nd5 f5 Bd3 Be6")
  ("B33y" "Sicilian: Pelikan, Sveshnikov, 11.Bd3 Be6 12.O-O" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Ndb5 d6 Bg5 a6 Na3 b5 Bxf6 gxf6 Nd5 f5 Bd3 Be6 O-O")
  ("B34a" "Sicilian: Accelerated Fianchetto" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6")
  ("B34b" "Sicilian: Accelerated Fianchetto, 5.Bc4" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Bc4")
  ("B34c" "Sicilian: Accelerated Fianchetto, Exchange Variation" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nxc6")
  ("B34d" "Sicilian: Accelerated Fianchetto, 5.Be2" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Be2")
  ("B34e" "Sicilian: Accelerated Fianchetto, 5.Be3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Be3")
  ("B34f" "Sicilian: Accelerated Fianchetto, Modern Variation" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3")
  ("B34g" "Sicilian: Accelerated Fianchetto, Modern, 5...Nf6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Nf6")
  ("B34h" "Sicilian: Accelerated Fianchetto, Modern, 5...Nf6 6.Nxc6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Nf6 Nxc6")
  ("B34i" "Sicilian: Accelerated Fianchetto, Modern, 5...Nf6 6.Nxc6 bxc6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Nf6 Nxc6 bxc6")
  ("B34j" "Sicilian: Accelerated Fianchetto, Modern, 5...Bg7" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7")
  ("B34k" "Sicilian: Accelerated Fianchetto, Modern, 6.Nde2" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Nde2")
  ("B34l" "Sicilian: Accelerated Fianchetto, Modern, 6.Nb3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Nb3")
  ("B34m" "Sicilian: Accelerated Fianchetto, Modern, 6.Be3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3")
  ("B34n" "Sicilian: Accelerated Fianchetto, Modern, 6.Be3 d6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 d6")
  ("B34o" "Sicilian: Accelerated Fianchetto, Modern, 6.Be3 d6 7.Qd2" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 d6 Qd2")
  ("B34p" "Sicilian: Accelerated Fianchetto, Modern, 6.Be3 Nf6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6")
  ("B34q" "Sicilian: Accelerated Fianchetto, Modern, 6.Be3 Nf6 7.f3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 f3")
  ("B34r" "Sicilian: Accelerated Fianchetto, Modern, 6.Be3 Nf6 7.Nxc6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Nxc6")
  ("B34r" "Sicilian: Accelerated Fianchetto, Modern, 6.Be3 Nf6 7.Nxc6 bxc6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Nxc6 bxc6")
  ("B34r" "Sicilian: Accelerated Fianchetto, Modern, 6.Be3 Nf6 7.Nxc6 bxc6 8.e5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Nxc6 bxc6 e5")
  ("B34s" "Sicilian: Accelerated Fianchetto, Modern, 6.Be3 Nf6 7.Nxc6 bxc6 8.e5 Ng8" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Nxc6 bxc6 e5 Ng8")
  ("B34t" "Sicilian: Accelerated Fianchetto, Modern, 6.Be3 Nf6 7.Be2" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Be2")
  ("B34u" "Sicilian: Accelerated Fianchetto, Modern, 6.Be3 Nf6 7.Be2 O-O" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Be2 O-O")
  ("B34v" "Sicilian: Accelerated Fianchetto, Modern, 6.Be3 Nf6 7.Be2 O-O 8.O-O" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Be2 O-O O-O")
  ("B34v" "Sicilian: Accelerated Fianchetto, Modern, 6.Be3 Nf6 7.Be2 O-O 8.O-O d5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Be2 O-O O-O d5")
  ("B34w" "Sicilian: Accelerated Fianchetto, Modern, 6.Be3 Nf6 7.Be2 O-O 8.O-O d5 9.exd5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Be2 O-O O-O d5 exd5")
  ("B35a" "Sicilian: Accelerated Fianchetto, Modern, 7.Bc4" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4")
  ("B35b" "Sicilian: Accelerated Fianchetto, Modern, 7.Bc4 Qa5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 Qa5")
  ("B35c" "Sicilian: Accelerated Fianchetto, Modern, 7.Bc4 Qa5 8.O-O O-O" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 Qa5 O-O O-O")
  ("B35d" "Sicilian: Accelerated Fianchetto, Modern, 7.Bc4 Qa5 8.O-O O-O 9.Bb3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 Qa5 O-O O-O Bb3")
  ("B35e" "Sicilian: Accelerated Fianchetto, Modern, 7.Bc4 Qa5 8.O-O O-O 9.Bb3 d6 10.h3 Bd7 11.f4" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 Qa5 O-O O-O Bb3 d6 h3 Bd7 f4")
  ("B35f" "Sicilian: Accelerated Fianchetto, Modern, 7.Bc4 O-O" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O")
  ("B35g" "Sicilian: Accelerated Fianchetto, Modern, 7.Bc4 O-O 8.f3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O f3")
  ("B35h" "Sicilian: Accelerated Fianchetto, Modern, 7.Bc4 O-O 8.O-O" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O O-O")
  ("B35i" "Sicilian: Accelerated Fianchetto, Modern, 7.Bc4 O-O 8.Bb3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3")
  ("B35j" "Sicilian: Accelerated Fianchetto, Modern, 7.Bc4 O-O 8.Bb3 Ng4" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 Ng4")
  ("B35k" "Sicilian: Accelerated Fianchetto, Modern, 7.Bc4 O-O 8.Bb3 Qa5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 Qa5")
  ("B35l" "Sicilian: Accelerated Fianchetto, Modern, 7.Bc4 O-O 8.Bb3 a5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 a5")
  ("B35m" "Sicilian: Accelerated Fianchetto, Modern, 7.Bc4 O-O 8.Bb3 a5 9.a4" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 a5 a4")
  ("B35n" "Sicilian: Accelerated Fianchetto, Modern, 7.Bc4 O-O 8.Bb3 a5 9.f3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 a5 f3")
  ("B35o" "Sicilian: Accelerated Fianchetto, Modern, 7.Bc4 O-O 8.Bb3 d6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 d6")
  ("B35o" "Sicilian: Accelerated Fianchetto, Modern, 7.Bc4 O-O 8.Bb3 d6 9.h3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 d6 h3")
  ("B35p" "Sicilian: Accelerated Fianchetto, Modern, 7.Bc4 O-O 8.Bb3 d6 9.h3 Bd7" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 d6 h3 Bd7")
  ("B35q" "Sicilian: Accelerated Fianchetto, Modern, 7.Bc4 O-O 8.Bb3 d6 9.f3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 d6 f3")
  ("B35r" "Sicilian: Accelerated Fianchetto, Modern, 7.Bc4 O-O 8.Bb3 d6 9.f3 Bd7" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 Nc3 Bg7 Be3 Nf6 Bc4 O-O Bb3 d6 f3 Bd7")
  ("B36a" "Sicilian: Maroczy Bind" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4")
  ("B36b" "Sicilian: Maroczy Bind, 5...d6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 d6")
  ("B36b" "Sicilian: Maroczy Bind, 5...d6 6.Nc3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 d6 Nc3")
  ("B36b" "Sicilian: Maroczy Bind, 5...d6 6.Nc3 Bg7" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 d6 Nc3 Bg7")
  ("B36c" "Sicilian: Maroczy Bind, 5...Nf6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6")
  ("B36d" "Sicilian: Maroczy Bind, 5...Nf6 6.Nc3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3")
  ("B36e" "Sicilian: Maroczy Bind, 5...Nf6 6.Nc3 Nxd4" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 Nxd4")
  ("B36f" "Sicilian: Maroczy Bind, Gurgenidze Variation" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 Nxd4 Qxd4 d6")
  ("B36g" "Sicilian: Maroczy Bind, 5...Nf6 6.Nc3 d6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6")
  ("B36h" "Sicilian: Maroczy Bind, 5...Nf6 6.Nc3 d6 7.Be2" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6 Be2")
  ("B36i" "Sicilian: Maroczy Bind, 5...Nf6 6.Nc3 d6 7.Be2 Nxd4" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6 Be2 Nxd4")
  ("B36i" "Sicilian: Maroczy Bind, 5...Nf6 6.Nc3 d6 7.Be2 Nxd4 8.Qxd4 Bg7" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6 Be2 Nxd4 Qxd4 Bg7")
  ("B36j" "Sicilian: Maroczy Bind, 5...Nf6 6.Nc3 d6 7.Be2 Nxd4 8.Qxd4 Bg7 9.O-O" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6 Be2 Nxd4 Qxd4 Bg7 O-O")
  ("B36k" "Sicilian: Maroczy Bind, 5...Nf6 6.Nc3 d6 7.Be2 Nxd4 8.Qxd4 Bg7 9.Bg5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6 Be2 Nxd4 Qxd4 Bg7 Bg5")
  ("B36l" "Sicilian: Maroczy Bind, 5...Nf6 6.Nc3 d6 7.Be2 Nxd4 8.Qxd4 Bg7 9.Bg5 O-O" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6 Be2 Nxd4 Qxd4 Bg7 Bg5 O-O")
  ("B36m" "Sicilian: Maroczy Bind, 5...Nf6 6.Nc3 d6 7.Be2 Nxd4 8.Qxd4 Bg7 9.Bg5 O-O 10.Qd2" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6 Be2 Nxd4 Qxd4 Bg7 Bg5 O-O Qd2")
  ("B36n" "Sicilian: Maroczy Bind, 5...Nf6 6.Nc3 d6 7.Be2 Nxd4 8.Qxd4 Bg7 9.Be3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6 Be2 Nxd4 Qxd4 Bg7 Be3")
  ("B36n" "Sicilian: Maroczy Bind, 5...Nf6 6.Nc3 d6 7.Be2 Nxd4 8.Qxd4 Bg7 9.Be3 O-O" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6 Be2 Nxd4 Qxd4 Bg7 Be3 O-O")
  ("B36o" "Sicilian: Maroczy Bind, 5...Nf6 6.Nc3 d6 7.Be2 Nxd4 8.Qxd4 Bg7 9.Be3 O-O 10.Qd2" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6 Be2 Nxd4 Qxd4 Bg7 Be3 O-O Qd2")
  ("B36p" "Sicilian: Maroczy Bind, 5...Nf6 6.Nc3 d6 7.Be2 Nxd4 8.Qxd4 Bg7 9.Be3 O-O 10.Qd2 Be6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6 Be2 Nxd4 Qxd4 Bg7 Be3 O-O Qd2 Be6")
  ("B36q" "Sicilian: Maroczy Bind, 5...Nf6 6.Nc3 d6 7.Be2 Nxd4 8.Qxd4 Bg7 9.Be3 O-O 10.Qd2 Be6 11.O-O" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Nf6 Nc3 d6 Be2 Nxd4 Qxd4 Bg7 Be3 O-O Qd2 Be6 O-O")
  ("B37a" "Sicilian: Maroczy Bind, 5...Bg7" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7")
  ("B37b" "Sicilian: Maroczy Bind, 6.Nb3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Nb3")
  ("B37c" "Sicilian: Maroczy Bind, 6.Nc2" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Nc2")
  ("B37d" "Sicilian: Maroczy Bind, 6.Nc2 d6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Nc2 d6")
  ("B37e" "Sicilian: Maroczy Bind, 6.Nc2 d6 7.Be2" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Nc2 d6 Be2")
  ("B37f" "Sicilian: Maroczy Bind, Simagin Variation" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Nc2 d6 Be2 Nh6")
  ("B37g" "Sicilian: Maroczy Bind, 6.Nc2 Nf6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Nc2 Nf6")
  ("B37g" "Sicilian: Maroczy Bind, 6.Nc2 Nf6 7.Nc3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Nc2 Nf6 Nc3")
  ("B37h" "Sicilian: Maroczy Bind, 6.Nc2 Nf6 7.Nc3 O-O" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Nc2 Nf6 Nc3 O-O")
  ("B37i" "Sicilian: Maroczy Bind, 6.Nc2 Nf6 7.Nc3 d6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Nc2 Nf6 Nc3 d6")
  ("B37i" "Sicilian: Maroczy Bind, 6.Nc2 Nf6 7.Nc3 d6 8.Be2" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Nc2 Nf6 Nc3 d6 Be2")
  ("B37j" "Sicilian: Maroczy Bind, 6.Nc2 Nf6 7.Nc3 d6 8.Be2 Nd7" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Nc2 Nf6 Nc3 d6 Be2 Nd7")
  ("B37k" "Sicilian: Maroczy Bind, 6.Nc2 Nf6 7.Nc3 d6 8.Be2 O-O" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Nc2 Nf6 Nc3 d6 Be2 O-O")
  ("B37l" "Sicilian: Maroczy Bind, 6.Nc2 Nf6 7.Nc3 d6 8.Be2 O-O 9.O-O" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Nc2 Nf6 Nc3 d6 Be2 O-O O-O")
  ("B37m" "Sicilian: Maroczy Bind, 6.Nc2 Nf6 7.Nc3 d6 8.Be2 O-O 9.O-O Be6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Nc2 Nf6 Nc3 d6 Be2 O-O O-O Be6")
  ("B37n" "Sicilian: Maroczy Bind, 6.Nc2 Nf6 7.Nc3 d6 8.Be2 O-O 9.O-O Nd7" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Nc2 Nf6 Nc3 d6 Be2 O-O O-O Nd7")
  ("B37o" "Sicilian: Maroczy Bind, 6.Nc2 Nf6 7.Nc3 d6 8.Be2 O-O 9.O-O Nd7 10.Bd2" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Nc2 Nf6 Nc3 d6 Be2 O-O O-O Nd7 Bd2")
  ("B37o" "Sicilian: Maroczy Bind, 6.Nc2 Nf6 7.Nc3 d6 8.Be2 O-O 9.O-O Nd7 10.Bd2 a5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Nc2 Nf6 Nc3 d6 Be2 O-O O-O Nd7 Bd2 a5")
  ("B37p" "Sicilian: Maroczy Bind, 6.Nc2 Nf6 7.Nc3 d6 8.Be2 O-O 9.O-O Nd7 10.Bd2 Nc5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Nc2 Nf6 Nc3 d6 Be2 O-O O-O Nd7 Bd2 Nc5")
  ("B37q" "Sicilian: Maroczy Bind, 6.Nc2 Nf6 7.Nc3 d6 8.Be2 O-O 9.O-O Nd7 10.Bd2 Nc5 11.b4" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Nc2 Nf6 Nc3 d6 Be2 O-O O-O Nd7 Bd2 Nc5 b4")
  ("B38a" "Sicilian: Maroczy Bind, 6.Be3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3")
  ("B38b" "Sicilian: Maroczy Bind, 6.Be3 Nh6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nh6")
  ("B38c" "Sicilian: Maroczy Bind, 6.Be3 d6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 d6")
  ("B38c" "Sicilian: Maroczy Bind, 6.Be3 d6 7.Nc3 Nh6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 d6 Nc3 Nh6")
  ("B38d" "Sicilian: Maroczy Bind, 6.Be3 Nf6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6")
  ("B38d" "Sicilian: Maroczy Bind, 6.Be3 Nf6 7.Nc3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3")
  ("B38e" "Sicilian: Maroczy Bind, 6.Be3 Nf6 7.Nc3 d6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 d6")
  ("B38f" "Sicilian: Maroczy Bind, 6.Be3 Nf6 7.Nc3 d6 8.Be2" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 d6 Be2")
  ("B38g" "Sicilian: Maroczy Bind, 7.Nc3 O-O" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O")
  ("B38g" "Sicilian: Maroczy Bind, 7.Nc3 O-O 8.Be2" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2")
  ("B38h" "Sicilian: Maroczy Bind, 7.Nc3 O-O 8.Be2 b6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 b6")
  ("B38i" "Sicilian: Maroczy Bind, 7.Nc3 O-O 8.Be2 b6 9.O-O" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 b6 O-O")
  ("B38i" "Sicilian: Maroczy Bind, 7.Nc3 O-O 8.Be2 b6 9.O-O Bb7" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 b6 O-O Bb7")
  ("B38j" "Sicilian: Maroczy Bind, 7.Nc3 O-O 8.Be2 b6 9.O-O Bb7 10.f3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 b6 O-O Bb7 f3")
  ("B38k" "Sicilian: Maroczy Bind, 7.Nc3 O-O 8.Be2 b6 9.O-O Bb7 10.f3 Qb8" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 b6 O-O Bb7 f3 Qb8")
  ("B38l" "Sicilian: Maroczy Bind, 7.Nc3 O-O 8.Be2 d6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 d6")
  ("B38m" "Sicilian: Maroczy Bind, 7.Nc3 O-O 8.Be2 d6 9.f3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 d6 f3")
  ("B38n" "Sicilian: Maroczy Bind, 7.Nc3 O-O 8.Be2 d6 9.O-O" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 d6 O-O")
  ("B38o" "Sicilian: Maroczy Bind, 7.Nc3 O-O 8.Be2 d6 9.O-O Nd7" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 d6 O-O Nd7")
  ("B38p" "Sicilian: Maroczy Bind, 7.Nc3 O-O 8.Be2 d6 9.O-O a6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 d6 O-O a6")
  ("B38q" "Sicilian: Maroczy Bind, 7.Nc3 O-O 8.Be2 d6 9.O-O Nxd4" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 d6 O-O Nxd4")
  ("B38r" "Sicilian: Maroczy Bind, 7.Nc3 O-O 8.Be2 d6 9.O-O Bd7" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 d6 O-O Bd7")
  ("B38s" "Sicilian: Maroczy Bind, 7.Nc3 O-O 8.Be2 d6 9.O-O Bd7 10.Nc2" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 d6 O-O Bd7 Nc2")
  ("B38t" "Sicilian: Maroczy Bind, 7.Nc3 O-O 8.Be2 d6 9.O-O Bd7 10.f3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 d6 O-O Bd7 f3")
  ("B38u" "Sicilian: Maroczy Bind, 7.Nc3 O-O 8.Be2 d6 9.O-O Bd7 10.Rc1" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 d6 O-O Bd7 Rc1")
  ("B38v" "Sicilian: Maroczy Bind, 7.Nc3 O-O 8.Be2 d6 9.O-O Bd7 10.Qd2" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 d6 O-O Bd7 Qd2")
  ("B38w" "Sicilian: Maroczy Bind, 7.Nc3 O-O 8.Be2 d6 9.O-O Bd7 10.Qd2 Nxd4" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 d6 O-O Bd7 Qd2 Nxd4")
  ("B38w" "Sicilian: Maroczy Bind, 7.Nc3 O-O 8.Be2 d6 9.O-O Bd7 10.Qd2 Nxd4 11.Bxd4" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 d6 O-O Bd7 Qd2 Nxd4 Bxd4")
  ("B38x" "Sicilian: Maroczy Bind, 7.Nc3 O-O 8.Be2 d6 9.O-O Bd7 10.Qd2 Nxd4, 12.f3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 d6 O-O Bd7 Qd2 Nxd4 Bxd4 Bc6 f3")
  ("B38y" "Sicilian: Maroczy Bind, 7.Nc3 O-O 8.Be2 d6 9.O-O Bd7 10.Qd2 Nxd4, 12.f3 a5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 d6 O-O Bd7 Qd2 Nxd4 Bxd4 Bc6 f3 a5")
  ("B38z" "Sicilian: Maroczy Bind, 7.Nc3 O-O 8.Be2 d6 9.O-O Bd7 10.Qd2 Nxd4, 12.f3 a5 13.b3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 O-O Be2 d6 O-O Bd7 Qd2 Nxd4 Bxd4 Bc6 f3 a5 b3")
  ("B39a" "Sicilian: Maroczy Bind, Breyer Variation" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4")
  ("B39b" "Sicilian: Maroczy Bind, Breyer, 8.Qxg4" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4 Qxg4")
  ("B39c" "Sicilian: Maroczy Bind, Breyer, 8.Qxg4 Nxd4" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4 Qxg4 Nxd4")
  ("B39d" "Sicilian: Maroczy Bind, Breyer, 8.Qxg4 Nxd4 9.Qd1" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4 Qxg4 Nxd4 Qd1")
  ("B39e" "Sicilian: Maroczy Bind, Breyer, 8.Qxg4 Nxd4 9.Qd1 e5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4 Qxg4 Nxd4 Qd1 e5")
  ("B39f" "Sicilian: Maroczy Bind, Breyer, 8.Qxg4 Nxd4 9.Qd1 e5 10.Nb5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4 Qxg4 Nxd4 Qd1 e5 Nb5")
  ("B39g" "Sicilian: Maroczy Bind, Breyer, 8.Qxg4 Nxd4 9.Qd1 e5 10.Bd3" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4 Qxg4 Nxd4 Qd1 e5 Bd3")
  ("B39h" "Sicilian: Maroczy Bind, Breyer, 8.Qxg4 Nxd4 9.Qd1 Ne6" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4 Qxg4 Nxd4 Qd1 Ne6")
  ("B39i" "Sicilian: Maroczy Bind, Breyer, 8.Qxg4 Nxd4 9.Qd1 Ne6 10.Qd2" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4 Qxg4 Nxd4 Qd1 Ne6 Qd2")
  ("B39j" "Sicilian: Maroczy Bind, Breyer, 8.Qxg4 Nxd4 9.Qd1 Ne6 10.Rc1" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4 Qxg4 Nxd4 Qd1 Ne6 Rc1")
  ("B39k" "Sicilian: Maroczy Bind, Breyer, 8.Qxg4 Nxd4 9.Qd1 Ne6 10.Rc1 Qa5" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4 Qxg4 Nxd4 Qd1 Ne6 Rc1 Qa5")
  ("B39l" "Sicilian: Maroczy Bind, Breyer, 8.Qxg4 Nxd4 9.Qd1 Ne6 10.Rc1 Qa5 11.Qd2" "e4 c5 Nf3 Nc6 d4 cxd4 Nxd4 g6 c4 Bg7 Be3 Nf6 Nc3 Ng4 Qxg4 Nxd4 Qd1 Ne6 Rc1 Qa5 Qd2")
  ("B40a" "Sicilian: 2...e6" "e4 c5 Nf3 e6")
  ("B40b" "Sicilian: 2...e6 3.c4" "e4 c5 Nf3 e6 c4")
  ("B40c" "Sicilian: 2...e6 3.b3" "e4 c5 Nf3 e6 b3")
  ("B40d" "Sicilian: 2...e6 3.b3 Nc6" "e4 c5 Nf3 e6 b3 Nc6")
  ("B40e" "Sicilian: 2...e6 3.g3" "e4 c5 Nf3 e6 g3")
  ("B40f" "Sicilian: 2...e6 3.d3" "e4 c5 Nf3 e6 d3")
  ("B40g" "Sicilian: 2...e6 3.Nc3" "e4 c5 Nf3 e6 Nc3")
  ("B40h" "Sicilian: 2...e6 3.Nc3 Nc6" "e4 c5 Nf3 e6 Nc3 Nc6")
  ("B40i" "Sicilian: 2...e6 3.d4" "e4 c5 Nf3 e6 d4")
  ("B40j" "Sicilian: Marshall Variation" "e4 c5 Nf3 e6 d4 d5")
  ("B40k" "Sicilian: Open, 2...e6" "e4 c5 Nf3 e6 d4 cxd4")
  ("B40l" "Sicilian: Open, 2...e6, 4.Nxd4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4")
  ("B40l" "Sicilian: Open, 2...e6, 4.Nxd4 d6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 d6")
  ("B40m" "Sicilian: Open, 2...e6, 4.Nxd4 Bc5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Bc5")
  ("B40n" "Sicilian: Kveinys Variation" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Qb6")
  ("B40o" "Sicilian: Open, 2...e6, 4.Nxd4 Nf6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6")
  ("B40p" "Sicilian: Open, 2...e6, 4.Nxd4 Nf6 5.Bd3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6 Bd3")
  ("B40p" "Sicilian: Open, 2...e6, 4.Nxd4 Nf6 5.Bd3 Nc6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6 Bd3 Nc6")
  ("B40q" "Sicilian: Open, 2...e6, 4.Nxd4 Nf6 5.Bd3 Nc6 6.Nxc6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6 Bd3 Nc6 Nxc6")
  ("B40r" "Sicilian: Open, 2...e6, 4.Nxd4 Nf6 5.Nc3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6 Nc3")
  ("B40s" "Sicilian: Pin Variation" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6 Nc3 Bb4")
  ("B40t" "Sicilian: Pin, Jaffe Variation" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6 Nc3 Bb4 Bd3 e5")
  ("B40u" "Sicilian: Pin, Koch Variation" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nf6 Nc3 Bb4 e5")
  ("B41a" "Sicilian: Kan (Paulsen)" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6")
  ("B41b" "Sicilian: Kan, 5.g3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 g3")
  ("B41c" "Sicilian: Kan, 5.Be3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Be3")
  ("B41d" "Sicilian: Kan, 5.Be2" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Be2")
  ("B41e" "Sicilian: Kan, 5.Be2 Nf6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Be2 Nf6")
  ("B41f" "Sicilian: Kan, 5.c4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 c4")
  ("B41g" "Sicilian: Kan, 5.c4 Qc7" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 c4 Qc7")
  ("B41h" "Sicilian: Kan, 5.c4 Nf6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 c4 Nf6")
  ("B41i" "Sicilian: Kan, 5.c4 Nf6 6.Nc3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 c4 Nf6 Nc3")
  ("B41j" "Sicilian: Kan, 5.c4 Nf6 6.Nc3 d6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 c4 Nf6 Nc3 d6")
  ("B41k" "Sicilian: Kan, 5.c4 Nf6 6.Nc3 Bb4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 c4 Nf6 Nc3 Bb4")
  ("B41k" "Sicilian: Kan, 5.c4 Nf6, Bronstein Variation" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 c4 Nf6 Nc3 Bb4 Bd3 Nc6 Bc2")
  ("B41l" "Sicilian: Kan, 5.c4 Nf6 6.Nc3 Qc7" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 c4 Nf6 Nc3 Qc7")
  ("B41m" "Sicilian: Kan, 5.c4 Nf6 6.Nc3 Qc7 7.Be2" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 c4 Nf6 Nc3 Qc7 Be2")
  ("B42a" "Sicilian: Kan, 5.Bd3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3")
  ("B42b" "Sicilian: Kan, Swiss Cheese Variation" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3 g6")
  ("B42c" "Sicilian: Kan, 5.Bd3 Qb6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3 Qb6")
  ("B42d" "Sicilian: Kan, 5.Bd3 Qc7" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3 Qc7")
  ("B42e" "Sicilian: Kan, 5.Bd3 Nc6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3 Nc6")
  ("B42f" "Sicilian: Kan, Polugaevsky Variation" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3 Bc5")
  ("B42g" "Sicilian: Kan, Polugaevsky, 6.Nb3 Ba7" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3 Bc5 Nb3 Ba7")
  ("B42h" "Sicilian: Kan, 5.Bd3 Nf6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3 Nf6")
  ("B42h" "Sicilian: Kan, 5.Bd3 Nf6 6.c4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3 Nf6 c4")
  ("B42h" "Sicilian: Kan, 5.Bd3 Nf6 6.O-O" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3 Nf6 O-O")
  ("B42i" "Sicilian: Kan, 5.Bd3 Nf6 6.O-O d6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3 Nf6 O-O d6")
  ("B42j" "Sicilian: Kan, 5.Bd3 Nf6 6.O-O d6 7.c4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3 Nf6 O-O d6 c4")
  ("B42k" "Sicilian: Kan, Gipslis Variation" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3 Nf6 O-O d6 c4 g6")
  ("B42l" "Sicilian: Kan, 5.Bd3 Nf6 6.O-O Qc7" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3 Nf6 O-O Qc7")
  ("B42m" "Sicilian: Kan, 5.Bd3 Nf6 6.O-O Qc7 7.c4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3 Nf6 O-O Qc7 c4")
  ("B42n" "Sicilian: Kan, 5.Bd3 Nf6 6.O-O Qc7 7.Qe2" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3 Nf6 O-O Qc7 Qe2")
  ("B42n" "Sicilian: Kan, 5.Bd3 Nf6 6.O-O Qc7 7.Qe2" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3 Nf6 O-O Qc7 Qe2 d6")
  ("B42o" "Sicilian: Kan, 5.Bd3 Nf6 6.O-O Qc7 7.Qe2 d6 8.c4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Bd3 Nf6 O-O Qc7 Qe2 d6 c4")
  ("B43a" "Sicilian: Kan, 5.Nc3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Nc3")
  ("B43b" "Sicilian: Kan, 5.Nc3 d6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Nc3 d6")
  ("B43c" "Sicilian: Kan, 5.Nc3 b5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Nc3 b5")
  ("B43d" "Sicilian: Kan, 5.Nc3 b5 6.Bd3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Nc3 b5 Bd3")
  ("B43e" "Sicilian: Kan, 5.Nc3 b5 6.Bd3 Qb6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Nc3 b5 Bd3 Qb6")
  ("B43f" "Sicilian: Kan, 5.Nc3 b5 6.Bd3 Qb6 7.Nb3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Nc3 b5 Bd3 Qb6 Nb3")
  ("B43g" "Sicilian: Kan, 5.Nc3 Qc7" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Nc3 Qc7")
  ("B43h" "Sicilian: Kan, 5.Nc3 Qc7 6.g3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Nc3 Qc7 g3")
  ("B43i" "Sicilian: Kan, 5.Nc3 Qc7 6.g3 Nf6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Nc3 Qc7 g3 Nf6")
  ("B43j" "Sicilian: Kan, 5.Nc3 Qc7 6.Be2" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Nc3 Qc7 Be2")
  ("B43k" "Sicilian: Kan, 5.Nc3 Qc7 6.Be2 Nf6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Nc3 Qc7 Be2 Nf6")
  ("B43l" "Sicilian: Kan, 5.Nc3 Qc7 6.Be2 Nf6 7.O-O" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Nc3 Qc7 Be2 Nf6 O-O")
  ("B43m" "Sicilian: Kan, 5.Nc3 Qc7 6.Bd3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Nc3 Qc7 Bd3")
  ("B43n" "Sicilian: Kan, 5.Nc3 Qc7 6.Bd3 Nf6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Nc3 Qc7 Bd3 Nf6")
  ("B43o" "Sicilian: Kan, 5.Nc3 Qc7 6.Bd3 Nf6 7.O-O" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 a6 Nc3 Qc7 Bd3 Nf6 O-O")
  ("B44a" "Sicilian: Taimanov" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6")
  ("B44b" "Sicilian: Taimanov, 5.g3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 g3")
  ("B44c" "Sicilian: Taimanov, 5.Be2" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Be2")
  ("B44d" "Sicilian: Taimanov, 5.c4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 c4")
  ("B44d" "Sicilian: Taimanov, 5.c4 Nf6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 c4 Nf6")
  ("B44e" "Sicilian: Taimanov, 5.c4 Nf6 6.Nc3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 c4 Nf6 Nc3")
  ("B44e" "Sicilian: Taimanov, 5.c4 Nf6 6.Nc3 Bb4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 c4 Nf6 Nc3 Bb4")
  ("B44e" "Sicilian: Taimanov, 5.c4 Nf6 6.Nc3 Bb4 7.Nxc6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 c4 Nf6 Nc3 Bb4 Nxc6")
  ("B44f" "Sicilian: Taimanov, 5.c4 Nf6 6.Nc3 Bb4 7.Nxc6 bxc6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 c4 Nf6 Nc3 Bb4 Nxc6 bxc6")
  ("B44g" "Sicilian: Taimanov, 5.Be3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Be3")
  ("B44h" "Sicilian: Taimanov, 5.Be3 Nf6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Be3 Nf6")
  ("B44i" "Sicilian: Taimanov, 5.Nxc6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nxc6")
  ("B44j" "Sicilian: Taimanov, 5.Nxc6 bxc6 6.Bd3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nxc6 bxc6 Bd3")
  ("B44k" "Sicilian, Taimanov, Szen Variation" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5")
  ("B44k" "Sicilian, Taimanov, Szen, 5...d6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6")
  ("B44l" "Sicilian, Taimanov, Szen, 6.Bf4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 Bf4")
  ("B44m" "Sicilian, Taimanov, Szen, 6.Bf4 e5 7.Be3 a6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 Bf4 e5 Be3 a6")
  ("B44n" "Sicilian, Taimanov, Szen, 6.Bf4 e5 7.Be3 Nf6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 Bf4 e5 Be3 Nf6")
  ("B44o" "Sicilian, Taimanov, Szen, 6.c4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 c4")
  ("B44o" "Sicilian, Taimanov, Szen, 6.c4 a6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 c4 a6")
  ("B44o" "Sicilian, Taimanov, Szen, 6.c4 Nf6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 c4 Nf6")
  ("B44p" "Sicilian, Taimanov, Szen, 7.N5c3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 c4 Nf6 N5c3")
  ("B44q" "Sicilian, Taimanov, Szen, 7.N1c3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 c4 Nf6 N1c3")
  ("B44q" "Sicilian, Taimanov, Szen, 7.N1c3 a6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 c4 Nf6 N1c3 a6")
  ("B44r" "Sicilian, Taimanov, Szen, 7.N1c3 a6 8.Na3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 c4 Nf6 N1c3 a6 Na3")
  ("B44r" "Sicilian: Taimanov, Szen, Kasparov Gambit" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 d5")
  ("B44s" "Sicilian, Taimanov, Szen, 7.N1c3 a6 8.Na3 b6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 b6")
  ("B44t" "Sicilian, Taimanov, Szen, 7.N1c3 a6 8.Na3 Be7" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 Be7")
  ("B44u" "Sicilian, Taimanov, Szen, 7.N1c3 a6 8.Na3 Be7 9.Be2" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 Be7 Be2")
  ("B44u" "Sicilian, Taimanov, Szen, 7.N1c3 a6 8.Na3 Be7 9.Be2 b6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 Be7 Be2 b6")
  ("B44v" "Sicilian, Taimanov, Szen, 7.N1c3 a6 8.Na3 Be7 9.Be2 O-O" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 Be7 Be2 O-O")
  ("B44w" "Sicilian: Taimanov, Szen, Hedgehog Variation" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 Be7 Be2 O-O O-O b6")
  ("B44x" "Sicilian: Taimanov, Szen, Hedgehog, 11.Be3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 Be7 Be2 O-O O-O b6 Be3")
  ("B44x" "Sicilian: Taimanov, Szen, Hedgehog, 11.Be3 Bd7" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 Be7 Be2 O-O O-O b6 Be3 Bd7")
  ("B44x" "Sicilian: Taimanov, Szen, Hedgehog, 11.Be3 Ne5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 Be7 Be2 O-O O-O b6 Be3 Ne5")
  ("B44y" "Sicilian: Taimanov, Szen, Hedgehog, 11.Be3 Bb7" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 Be7 Be2 O-O O-O b6 Be3 Bb7")
  ("B44z" "Sicilian: Taimanov, Szen, Hedgehog, 11.Be3 Bb7 12.Qb3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nb5 d6 c4 Nf6 N1c3 a6 Na3 Be7 Be2 O-O O-O b6 Be3 Bb7 Qb3")
  ("B45a" "Sicilian: Taimanov, 5.Nc3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3")
  ("B45b" "Sicilian: Taimanov, 5.Nc3 Bb4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Bb4")
  ("B45c" "Sicilian: Taimanov, 5.Nc3 d6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 d6")
  ("B45c" "Sicilian: Taimanov, 5.Nc3 d6 6.g4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 d6 g4")
  ("B45d" "Sicilian: Taimanov, Four Knights" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6")
  ("B45e" "Sicilian: Taimanov, Four Knights, 6.Bg5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Bg5")
  ("B45f" "Sicilian: Taimanov, Four Knights, 6.a3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 a3")
  ("B45g" "Sicilian: Taimanov, Four Knights, 6.g3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 g3")
  ("B45h" "Sicilian: Taimanov, Four Knights, 6.Be2" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Be2")
  ("B45i" "Sicilian: Taimanov, Four Knights, 6.Be3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Be3")
  ("B45i" "Sicilian: Taimanov, Four Knights, 6.Be3 Bb4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Be3 Bb4")
  ("B45j" "Sicilian: Taimanov, Four Knights, 6.Be3 Bb4 7.Bd3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Be3 Bb4 Bd3")
  ("B45k" "Sicilian: Taimanov, Four Knights, 6.Nxc6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Nxc6")
  ("B45l" "Sicilian: Taimanov, Four Knights, 6.Nxc6 bxc6 7.e5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Nxc6 bxc6 e5")
  ("B45l" "Sicilian: Taimanov, Four Knights, 6.Nxc6 bxc6 7.e5 Nd5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Nxc6 bxc6 e5 Nd5")
  ("B45m" "Sicilian: Taimanov, Four Knights, 6.Nxc6 bxc6 7.e5 Nd5 8.Ne4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Nxc6 bxc6 e5 Nd5 Ne4")
  ("B45n" "Sicilian: Taimanov, Four Knights, 6.Nxc6 bxc6 7.e5 Nd5 8.Ne4 Qc7" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Nxc6 bxc6 e5 Nd5 Ne4 Qc7")
  ("B45o" "Sicilian: Taimanov, Four Knights, 6.Ndb5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Ndb5")
  ("B45o" "Sicilian: Taimanov, Four Knights, 6.Ndb5 d6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Ndb5 d6")
  ("B45o" "Sicilian: Taimanov, Four Knights, 6.Ndb5 d6 7.Bf4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Ndb5 d6 Bf4")
  ("B45p" "Sicilian: Taimanov, Four Knights, 6.Ndb5 Bb4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Ndb5 Bb4")
  ("B45q" "Sicilian: Taimanov, Four Knights, American Attack" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Ndb5 Bb4 Nd6+")
  ("B45r" "Sicilian: Taimanov, Four Knights, 6.Ndb5 Bb4 7.a3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Ndb5 Bb4 a3")
  ("B45s" "Sicilian: Taimanov, Four Knights, 6.Ndb5 Bb4 7.a3 Bxc3+ 8.Nxc3 d5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Ndb5 Bb4 a3 Bxc3+ Nxc3 d5")
  ("B45t" "Sicilian: Taimanov, Four Knights, 6.Ndb5 Bb4 7.a3, 9.ed5 ed5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Ndb5 Bb4 a3 Bxc3+ Nxc3 d5 exd5 exd5")
  ("B45u" "Sicilian: Taimanov, Four Knights, 6.Ndb5 Bb4 7.a3, 9.ed5 ed5 10.Bd3 O-O" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Ndb5 Bb4 a3 Bxc3+ Nxc3 d5 exd5 exd5 Bd3 O-O")
  ("B45v" "Sicilian: Taimanov, Four Knights, 6.Ndb5 Bb4 7.a3, 10.Bd3 O-O 11.O-O d4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Ndb5 Bb4 a3 Bxc3+ Nxc3 d5 exd5 exd5 Bd3 O-O O-O d4")
  ("B45w" "Sicilian: Taimanov, Four Knights, 6.Ndb5 Bb4 7.a3, 10.Bd3 O-O 11.O-O d4 12.Ne2" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Nf6 Ndb5 Bb4 a3 Bxc3+ Nxc3 d5 exd5 exd5 Bd3 O-O O-O d4 Ne2")
  ("B46a" "Sicilian: Taimanov, 5...a6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 a6")
  ("B46b" "Sicilian: Taimanov, 5...a6 6.f4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 a6 f4")
  ("B46c" "Sicilian: Taimanov, 5...a6 6.Nxc6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 a6 Nxc6")
  ("B46d" "Sicilian: Taimanov, 5...a6 6.Nxc6 bxc6 7.Bd3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 a6 Nxc6 bxc6 Bd3")
  ("B46e" "Sicilian: Taimanov, 5...a6 6.Nxc6 bxc6 7.Bd3 d5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 a6 Nxc6 bxc6 Bd3 d5")
  ("B46f" "Sicilian: Taimanov, 5...a6 6.g3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 a6 g3")
  ("B46g" "Sicilian: Taimanov, 5...a6 6.g3 Nge7" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 a6 g3 Nge7")
  ("B46h" "Sicilian: Taimanov, 5...a6 6.g3 d6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 a6 g3 d6")
  ("B46i" "Sicilian: Taimanov, 5...a6 6.Be3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 a6 Be3")
  ("B46j" "Sicilian: Taimanov, 5...a6 6.Be3 d6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 a6 Be3 d6")
  ("B46k" "Sicilian: Taimanov, 5...a6 6.Be3 Nge7" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 a6 Be3 Nge7")
  ("B46l" "Sicilian: Taimanov, 5...a6 6.Be3 Nf6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 a6 Be3 Nf6")
  ("B46m" "Sicilian: Taimanov, 5...a6 6.Be2" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 a6 Be2")
  ("B46n" "Sicilian: Taimanov, 5...a6 6.Be2 Nf6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 a6 Be2 Nf6")
  ("B46o" "Sicilian: Taimanov, 5...a6 6.Be2 Nge7" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 a6 Be2 Nge7")
  ("B46p" "Sicilian: Taimanov, 5...a6 6.Be2 Nge7 7.O-O" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 a6 Be2 Nge7 O-O")
  ("B46q" "Sicilian: Taimanov, 5...a6 6.Be2 Nge7 7.Be3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 a6 Be2 Nge7 Be3")
  ("B46r" "Sicilian: Taimanov, 5...a6 6.Be2 d6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 a6 Be2 d6")
  ("B47a" "Sicilian: Taimanov, Bastrikov Variation" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7")
  ("B47b" "Sicilian: Taimanov, 6.Nxc6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Nxc6")
  ("B47c" "Sicilian: Taimanov, 6.Ndb5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Ndb5")
  ("B47d" "Sicilian: Taimanov, 6.f4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 f4")
  ("B47e" "Sicilian: Taimanov, 6.f4 a6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 f4 a6")
  ("B47f" "Sicilian: Taimanov, 6.f4 a6 7.Nxc6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 f4 a6 Nxc6")
  ("B47g" "Sicilian: Taimanov, 6.g3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 g3")
  ("B47h" "Sicilian: Taimanov, 6.g3 a6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 g3 a6")
  ("B47h" "Sicilian: Taimanov, 6.g3 a6 7.Bg2" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 g3 a6 Bg2")
  ("B47i" "Sicilian: Taimanov, 6.g3 a6 7.Bg2 d6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 g3 a6 Bg2 d6")
  ("B47i" "Sicilian: Taimanov, 6.g3 a6 7.Bg2 d6 8.O-O" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 g3 a6 Bg2 d6 O-O")
  ("B47j" "Sicilian: Taimanov, 6.g3 a6 7.Bg2 d6 8.O-O Bd7" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 g3 a6 Bg2 d6 O-O Bd7")
  ("B47k" "Sicilian: Taimanov, 6.g3 a6 7.Bg2 d6 8.O-O Bd7 9.Re1" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 g3 a6 Bg2 d6 O-O Bd7 Re1")
  ("B47l" "Sicilian: Taimanov, 6.g3 a6 7.Bg2 Nf6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 g3 a6 Bg2 Nf6")
  ("B47m" "Sicilian: Taimanov, 6.g3 a6 7.Bg2 Nf6 8.O-O" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 g3 a6 Bg2 Nf6 O-O")
  ("B47n" "Sicilian: Taimanov, 6.g3 a6 7.Bg2 Nf6 8.O-O Bc5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 g3 a6 Bg2 Nf6 O-O Bc5")
  ("B47o" "Sicilian: Taimanov, 6.g3 a6 7.Bg2 Nf6 8.O-O Be7" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 g3 a6 Bg2 Nf6 O-O Be7")
  ("B47p" "Sicilian: Taimanov, 6.g3 a6 7.Bg2 Nf6 8.O-O Be7 9.Re1" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 g3 a6 Bg2 Nf6 O-O Be7 Re1")
  ("B47q" "Sicilian: Taimanov, 6.Be2" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be2")
  ("B47q" "Sicilian: Taimanov, 6.Be2 Nf6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be2 Nf6")
  ("B47r" "Sicilian: Taimanov, 6.Be2 a6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be2 a6")
  ("B47s" "Sicilian: Taimanov, 6.Be2 a6 7.f4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be2 a6 f4")
  ("B47t" "Sicilian: Taimanov, 6.Be2 a6 7.O-O" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be2 a6 O-O")
  ("B47u" "Sicilian: Taimanov, 6.Be2 a6 7.O-O b5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be2 a6 O-O b5")
  ("B47v" "Sicilian: Taimanov, 6.Be2 a6 7.O-O Nf6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be2 a6 O-O Nf6")
  ("B47v" "Sicilian: Taimanov, 6.Be2 a6 7.O-O Nf6 8.a3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be2 a6 O-O Nf6 a3")
  ("B47w" "Sicilian: Taimanov, 6.Be2 a6 7.O-O Nf6 8.Kh1" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be2 a6 O-O Nf6 Kh1")
  ("B47x" "Sicilian: Taimanov, 6.Be2 a6 7.O-O Nf6 8.Kh1 Be7" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be2 a6 O-O Nf6 Kh1 Be7")
  ("B47y" "Sicilian: Taimanov, 6.Be2 a6 7.O-O Nf6 8.Kh1 Nxd4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be2 a6 O-O Nf6 Kh1 Nxd4")
  ("B47y" "Sicilian: Taimanov, 6.Be2 a6 7.O-O Nf6 8.Kh1 Nxd4, 10.Qd3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be2 a6 O-O Nf6 Kh1 Nxd4 Qxd4 Bc5 Qd3")
  ("B47y" "Sicilian: Taimanov, 6.Be2 a6 7.O-O Nf6 8.Kh1 Nxd4, 10.Qd3 b5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be2 a6 O-O Nf6 Kh1 Nxd4 Qxd4 Bc5 Qd3 b5")
  ("B47z" "Sicilian: Taimanov, 6.Be2 a6 7.O-O Nf6 8.Kh1 Nxd4, 10.Qd3 b5 11.f4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be2 a6 O-O Nf6 Kh1 Nxd4 Qxd4 Bc5 Qd3 b5 f4")
  ("B48a" "Sicilian: Taimanov, 6.Be3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3")
  ("B48b" "Sicilian: Taimanov, 6.Be3 Nf6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 Nf6")
  ("B48c" "Sicilian: Taimanov, 6.Be3 a6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6")
  ("B48d" "Sicilian: Taimanov, 6.Be3 a6 7.a3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 a3")
  ("B48e" "Sicilian: Taimanov, 6.Be3 a6 7.f4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 f4")
  ("B48f" "Sicilian: Taimanov, 6.Be3 a6 7.f4 b5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 f4 b5")
  ("B48g" "Sicilian: Taimanov, 6.Be3 a6 7.Qd2" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Qd2")
  ("B48h" "Sicilian: Taimanov, 6.Be3 a6 7.Qd2 Nf6 8.f3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Qd2 Nf6 f3")
  ("B48i" "Sicilian: Taimanov, 6.Be3 a6 7.Bd3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Bd3")
  ("B48j" "Sicilian: Taimanov, 6.Be3 a6 7.Bd3 b5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Bd3 b5")
  ("B48k" "Sicilian: Taimanov, 6.Be3 a6 7.Bd3 b5 8.Nxc6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Bd3 b5 Nxc6")
  ("B48l" "Sicilian: Taimanov, 6.Be3 a6 7.Bd3 b5 8.O-O" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Bd3 b5 O-O")
  ("B48m" "Sicilian: Taimanov, 6.Be3 a6 7.Bd3 Nf6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Bd3 Nf6")
  ("B48n" "Sicilian: Taimanov, 6.Be3 a6 7.Bd3 Nf6 8.O-O" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Bd3 Nf6 O-O")
  ("B48o" "Sicilian: Taimanov, 6.Be3 a6 7.Bd3 Nf6 8.O-O Nxd4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Bd3 Nf6 O-O Nxd4")
  ("B48p" "Sicilian: Taimanov, 6.Be3 a6 7.Bd3 Nf6 8.O-O h5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Bd3 Nf6 O-O h5")
  ("B48q" "Sicilian: Taimanov, 6.Be3 a6 7.Bd3 Nf6 8.O-O b5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Bd3 Nf6 O-O b5")
  ("B48r" "Sicilian: Taimanov, 6.Be3 a6 7.Bd3 Nf6 8.O-O Bd6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Bd3 Nf6 O-O Bd6")
  ("B48s" "Sicilian: Taimanov, 6.Be3 a6 7.Bd3 Nf6 8.O-O Ne5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Bd3 Nf6 O-O Ne5")
  ("B48t" "Sicilian: Taimanov, 6.Be3 a6 7.Bd3 Nf6 8.O-O Ne5 9.h3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Bd3 Nf6 O-O Ne5 h3")
  ("B48u" "Sicilian: Taimanov, 6.Be3 a6 7.Bd3 Nf6 8.O-O Ne5 9.h3 Bc5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Bd3 Nf6 O-O Ne5 h3 Bc5")
  ("B48v" "Sicilian: Taimanov, 6.Be3 a6 7.Bd3 Nf6 8.O-O Ne5 9.h3 Bc5 10.Kh1" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Bd3 Nf6 O-O Ne5 h3 Bc5 Kh1")
  ("B49a" "Sicilian: Taimanov, 6.Be3 a6 7.Be2" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Be2")
  ("B49a" "Sicilian: Taimanov, 6.Be3 a6 7.Be2 Nge7" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Be2 Nge7")
  ("B49b" "Sicilian: Taimanov, 6.Be3 a6 7.Be2 b5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Be2 b5")
  ("B49b" "Sicilian: Taimanov, 6.Be3 a6 7.Be2 b5 8.Nxc6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Be2 b5 Nxc6")
  ("B49c" "Sicilian: Taimanov, 6.Be3 a6 7.Be2 Nf6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Be2 Nf6")
  ("B49d" "Sicilian: Taimanov, 6.Be3 a6 7.Be2 Nf6 8.a3" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Be2 Nf6 a3")
  ("B49d" "Sicilian: Taimanov, 6.Be3 a6 7.Be2 Nf6 8.a3 b5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Be2 Nf6 a3 b5")
  ("B49e" "Sicilian: Taimanov, 6.Be3 a6 7.Be2 Nf6 8.a3 Be7" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Be2 Nf6 a3 Be7")
  ("B49e" "Sicilian: Taimanov, 6.Be3 a6 7.Be2 Nf6 8.a3 Be7 9.O-O" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Be2 Nf6 a3 Be7 O-O")
  ("B49f" "Sicilian: Taimanov, 6.Be3 a6 7.Be2 Nf6 8.O-O" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Be2 Nf6 O-O")
  ("B49f" "Sicilian: Taimanov, 6.Be3 a6 7.Be2 Nf6 8.O-O b5" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Be2 Nf6 O-O b5")
  ("B49g" "Sicilian: Taimanov, 6.Be3 a6 7.Be2 Nf6 8.O-O Be7" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Be2 Nf6 O-O Be7")
  ("B49h" "Sicilian: Taimanov, 6.Be3 a6 7.Be2 Nf6 8.O-O Bb4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Be2 Nf6 O-O Bb4")
  ("B49i" "Sicilian: Taimanov, 6.Be3 a6 7.Be2 Nf6 8.O-O Bb4 9.Nxc6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Be2 Nf6 O-O Bb4 Nxc6")
  ("B49j" "Sicilian: Taimanov, 6.Be3 a6 7.Be2 Nf6 8.O-O Bb4 9.Na4" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Be2 Nf6 O-O Bb4 Na4")
  ("B49k" "Sicilian: Taimanov, 6.Be3 a6 7.Be2 Nf6 8.O-O Bb4 9.Na4 O-O" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Be2 Nf6 O-O Bb4 Na4 O-O")
  ("B49l" "Sicilian: Taimanov, 6.Be3 a6 7.Be2 Nf6 8.O-O Bb4 9.Na4 Be7" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Be2 Nf6 O-O Bb4 Na4 Be7")
  ("B49m" "Sicilian: Taimanov, 6.Be3 a6 7.Be2 Nf6 8.O-O Bb4 9.Na4 Be7 10.Nxc6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Be2 Nf6 O-O Bb4 Na4 Be7 Nxc6")
  ("B49m" "Sicilian: Taimanov, 6.Be3 a6 7.Be2 Nf6 8.O-O Bb4 9.Na4 Be7 10.Nxc6 bxc6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Be2 Nf6 O-O Bb4 Na4 Be7 Nxc6 bxc6")
  ("B49n" "Sicilian: Taimanov, 6.Be3 a6 7.Be2 Nf6 8.O-O Bb4 9.Na4 Be7 10.Nxc6 bxc6 11.Nb6" "e4 c5 Nf3 e6 d4 cxd4 Nxd4 Nc6 Nc3 Qc7 Be3 a6 Be2 Nf6 O-O Bb4 Na4 Be7 Nxc6 bxc6 Nb6")
  ("B50a" "Sicilian: 2.Nf3 d6" "e4 c5 Nf3 d6")
  ("B50b" "Sicilian: Wing Gambit deferred" "e4 c5 Nf3 d6 b4")
  ("B50c" "Sicilian: 2.Nf3 d6 3.b3" "e4 c5 Nf3 d6 b3")
  ("B50d" "Sicilian: 2.Nf3 d6 3.b3 e6" "e4 c5 Nf3 d6 b3 e6")
  ("B50e" "Sicilian: 2.Nf3 d6 3.d3" "e4 c5 Nf3 d6 d3")
  ("B50f" "Sicilian: 2.Nf3 d6 3.g3" "e4 c5 Nf3 d6 g3")
  ("B50g" "Sicilian: 2.Nf3 d6 3.Bc4" "e4 c5 Nf3 d6 Bc4")
  ("B50h" "Sicilian: 2.Nf3 d6 3.Bc4 Nf6 4.d3" "e4 c5 Nf3 d6 Bc4 Nf6 d3")
  ("B50i" "Sicilian: 2.Nf3 d6 3.Nc3" "e4 c5 Nf3 d6 Nc3")
  ("B50j" "Sicilian: 2.Nf3 d6 3.Nc3 e6" "e4 c5 Nf3 d6 Nc3 e6")
  ("B50k" "Sicilian: 2.Nf3 d6 3.Nc3 Nf6" "e4 c5 Nf3 d6 Nc3 Nf6")
  ("B50l" "Sicilian: 2.Nf3 d6 3.c3" "e4 c5 Nf3 d6 c3")
  ("B50m" "Sicilian: 2.Nf3 d6 3.c3 Nf6" "e4 c5 Nf3 d6 c3 Nf6")
  ("B50n" "Sicilian: 2.Nf3 d6 3.c3 Nf6 4.h3" "e4 c5 Nf3 d6 c3 Nf6 h3")
  ("B50o" "Sicilian: 2.Nf3 d6 3.c3 Nf6 4.h3 Nc6" "e4 c5 Nf3 d6 c3 Nf6 h3 Nc6")
  ("B50p" "Sicilian: 2.Nf3 d6 3.c3 Nf6 4.Bc4" "e4 c5 Nf3 d6 c3 Nf6 Bc4")
  ("B50q" "Sicilian: 2.Nf3 d6 3.c3 Nf6 4.Bd3" "e4 c5 Nf3 d6 c3 Nf6 Bd3")
  ("B50r" "Sicilian: 2.Nf3 d6 3.c3 Nf6 4.Bd3 Nc6" "e4 c5 Nf3 d6 c3 Nf6 Bd3 Nc6")
  ("B50s" "Sicilian: 2.Nf3 d6 3.c3 Nf6 4.Be2" "e4 c5 Nf3 d6 c3 Nf6 Be2")
  ("B50t" "Sicilian: 2.Nf3 d6 3.c3 Nf6 4.Be2 Nc6" "e4 c5 Nf3 d6 c3 Nf6 Be2 Nc6")
  ("B50u" "Sicilian: 2.Nf3 d6 3.c3 Nf6 4.Be2 Nbd7" "e4 c5 Nf3 d6 c3 Nf6 Be2 Nbd7")
  ("B50v" "Sicilian: 2.Nf3 d6 3.c3 Nf6 4.Be2 g6" "e4 c5 Nf3 d6 c3 Nf6 Be2 g6")
  ("B50w" "Sicilian: 2.Nf3 d6 3.c3, Torre Variation" "e4 c5 Nf3 d6 c3 Nf6 Be2 g6 O-O Bg7 Bb5+")
  ("B51a" "Sicilian: 3.Bb5+" "e4 c5 Nf3 d6 Bb5+")
  ("B51a" "Sicilian: 3.Bb5+ Nd7" "e4 c5 Nf3 d6 Bb5+ Nd7")
  ("B51b" "Sicilian: 3.Bb5+ Nd7 4.c3" "e4 c5 Nf3 d6 Bb5+ Nd7 c3")
  ("B51c" "Sicilian: 3.Bb5+ Nd7 4.O-O" "e4 c5 Nf3 d6 Bb5+ Nd7 O-O")
  ("B51d" "Sicilian: 3.Bb5+ Nd7 4.O-O Nf6" "e4 c5 Nf3 d6 Bb5+ Nd7 O-O Nf6")
  ("B51e" "Sicilian: 3.Bb5+ Nd7 4.O-O Nf6 5.Re1 a6 6.Bf1" "e4 c5 Nf3 d6 Bb5+ Nd7 O-O Nf6 Re1 a6 Bf1")
  ("B51f" "Sicilian: 3.Bb5+ Nd7 4.d4" "e4 c5 Nf3 d6 Bb5+ Nd7 d4")
  ("B51f" "Sicilian: 3.Bb5+ Nd7 4.d4 cxd4" "e4 c5 Nf3 d6 Bb5+ Nd7 d4 cxd4")
  ("B51g" "Sicilian: 3.Bb5+ Nd7 4.d4 Nf6" "e4 c5 Nf3 d6 Bb5+ Nd7 d4 Nf6")
  ("B51h" "Sicilian: 3.Bb5+ Nd7 4.d4 Nf6 5.Nc3" "e4 c5 Nf3 d6 Bb5+ Nd7 d4 Nf6 Nc3")
  ("B51i" "Sicilian: 3.Bb5+ Nd7 4.d4 Nf6 5.Nc3 cxd4" "e4 c5 Nf3 d6 Bb5+ Nd7 d4 Nf6 Nc3 cxd4")
  ("B51i" "Sicilian: 3.Bb5+ Nd7 4.d4 Nf6 5.Nc3 cxd4 6.Qxd4" "e4 c5 Nf3 d6 Bb5+ Nd7 d4 Nf6 Nc3 cxd4 Qxd4")
  ("B51j" "Sicilian: 3.Bb5+ Nc6" "e4 c5 Nf3 d6 Bb5+ Nc6")
  ("B51k" "Sicilian: 3.Bb5+ Nc6 4.Bxc6+" "e4 c5 Nf3 d6 Bb5+ Nc6 Bxc6+")
  ("B51l" "Sicilian: 3.Bb5+ Nc6 4.O-O" "e4 c5 Nf3 d6 Bb5+ Nc6 O-O")
  ("B51m" "Sicilian: 3.Bb5+ Nc6 4.O-O Bd7" "e4 c5 Nf3 d6 Bb5+ Nc6 O-O Bd7")
  ("B51n" "Sicilian: 3.Bb5+ Nc6 4.O-O Bd7 5.Re1" "e4 c5 Nf3 d6 Bb5+ Nc6 O-O Bd7 Re1")
  ("B51o" "Sicilian: 3.Bb5+ Nc6 4.O-O Bd7 5.Re1 a6" "e4 c5 Nf3 d6 Bb5+ Nc6 O-O Bd7 Re1 a6")
  ("B51p" "Sicilian: 3.Bb5+ Nc6 4.O-O Bd7 5.Re1 Nf6" "e4 c5 Nf3 d6 Bb5+ Nc6 O-O Bd7 Re1 Nf6")
  ("B51q" "Sicilian: 3.Bb5+ Nc6 4.O-O Bd7 5.Re1 Nf6 6.c3" "e4 c5 Nf3 d6 Bb5+ Nc6 O-O Bd7 Re1 Nf6 c3")
  ("B51r" "Sicilian: 3.Bb5+ Nc6 4.O-O Bd7 5.Re1 Nf6 6.c3 a6 7.Ba4" "e4 c5 Nf3 d6 Bb5+ Nc6 O-O Bd7 Re1 Nf6 c3 a6 Ba4")
  ("B51s" "Sicilian: 3.Bb5+ Nc6 4.O-O Bd7 5.Re1 Nf6 6.c3 a6 7.Bf1" "e4 c5 Nf3 d6 Bb5+ Nc6 O-O Bd7 Re1 Nf6 c3 a6 Bf1")
  ("B51t" "Sicilian: 3.Bb5+ Nc6 4.O-O Bd7 5.Re1 Nf6 6.c3 a6 7.Bf1 Bg4 8.h3" "e4 c5 Nf3 d6 Bb5+ Nc6 O-O Bd7 Re1 Nf6 c3 a6 Bf1 Bg4 h3")
  ("B52a" "Sicilian: 3.Bb5+ Bd7" "e4 c5 Nf3 d6 Bb5+ Bd7")
  ("B52b" "Sicilian: 3.Bb5+ Bd7 4.Bxd7+ Nxd7" "e4 c5 Nf3 d6 Bb5+ Bd7 Bxd7+ Nxd7")
  ("B52c" "Sicilian: 3.Bb5+ Bd7 4.Bxd7+ Nxd7 5.O-O" "e4 c5 Nf3 d6 Bb5+ Bd7 Bxd7+ Nxd7 O-O")
  ("B52d" "Sicilian: 3.Bb5+ Bd7 4.Bxd7+ Nxd7 5.O-O Ngf6" "e4 c5 Nf3 d6 Bb5+ Bd7 Bxd7+ Nxd7 O-O Ngf6")
  ("B52e" "Sicilian: 3.Bb5+ Bd7 4.Bxd7+ Nxd7 5.O-O Ngf6 6.Qe2" "e4 c5 Nf3 d6 Bb5+ Bd7 Bxd7+ Nxd7 O-O Ngf6 Qe2")
  ("B52f" "Sicilian: 3.Bb5+ Bd7 4.Bxd7+ Qxd7" "e4 c5 Nf3 d6 Bb5+ Bd7 Bxd7+ Qxd7")
  ("B52g" "Sicilian: 3.Bb5+, Sokolsky Variation" "e4 c5 Nf3 d6 Bb5+ Bd7 Bxd7+ Qxd7 c4")
  ("B52h" "Sicilian: 3.Bb5+, Sokolsky, 5...Nc6" "e4 c5 Nf3 d6 Bb5+ Bd7 Bxd7+ Qxd7 c4 Nc6")
  ("B52i" "Sicilian: 3.Bb5+, Sokolsky, 5...Nc6 6.O-O" "e4 c5 Nf3 d6 Bb5+ Bd7 Bxd7+ Qxd7 c4 Nc6 O-O")
  ("B52j" "Sicilian: 3.Bb5+, Sokolsky, 5...Nc6 6.O-O Nf6" "e4 c5 Nf3 d6 Bb5+ Bd7 Bxd7+ Qxd7 c4 Nc6 O-O Nf6")
  ("B52k" "Sicilian: 3.Bb5+, Sokolsky, 5...Nc6 6.Nc3" "e4 c5 Nf3 d6 Bb5+ Bd7 Bxd7+ Qxd7 c4 Nc6 Nc3")
  ("B52l" "Sicilian: 3.Bb5+, Sokolsky, 5...Nc6 6.Nc3 Nf6" "e4 c5 Nf3 d6 Bb5+ Bd7 Bxd7+ Qxd7 c4 Nc6 Nc3 Nf6")
  ("B52m" "Sicilian: 3.Bb5+, Sokolsky, 5...Nc6 6.Nc3 Nf6 7.O-O" "e4 c5 Nf3 d6 Bb5+ Bd7 Bxd7+ Qxd7 c4 Nc6 Nc3 Nf6 O-O")
  ("B52n" "Sicilian: 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.O-O" "e4 c5 Nf3 d6 Bb5+ Bd7 Bxd7+ Qxd7 O-O")
  ("B52o" "Sicilian: 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.O-O Nc6" "e4 c5 Nf3 d6 Bb5+ Bd7 Bxd7+ Qxd7 O-O Nc6")
  ("B52p" "Sicilian: 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.O-O Nc6 6.Re1" "e4 c5 Nf3 d6 Bb5+ Bd7 Bxd7+ Qxd7 O-O Nc6 Re1")
  ("B52q" "Sicilian: 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.O-O Nc6 6.Re1 Nf6" "e4 c5 Nf3 d6 Bb5+ Bd7 Bxd7+ Qxd7 O-O Nc6 Re1 Nf6")
  ("B52r" "Sicilian: 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.O-O Nc6 6.c3" "e4 c5 Nf3 d6 Bb5+ Bd7 Bxd7+ Qxd7 O-O Nc6 c3")
  ("B52s" "Sicilian: 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.O-O Nc6 6.c3 Nf6" "e4 c5 Nf3 d6 Bb5+ Bd7 Bxd7+ Qxd7 O-O Nc6 c3 Nf6")
  ("B52t" "Sicilian: 3.Bb5+, Bronstein Gambit" "e4 c5 Nf3 d6 Bb5+ Bd7 Bxd7+ Qxd7 O-O Nc6 c3 Nf6 d4")
  ("B53a" "Sicilian: 2...d6 3.d4" "e4 c5 Nf3 d6 d4")
  ("B53b" "Sicilian: 2...d6 3.d4 Nf6" "e4 c5 Nf3 d6 d4 Nf6")
  ("B53c" "Sicilian: 2...d6 3.d4 cxd4" "e4 c5 Nf3 d6 d4 cxd4")
  ("B53d" "Sicilian, Chekhover Variation" "e4 c5 Nf3 d6 d4 cxd4 Qxd4")
  ("B53e" "Sicilian, Chekhover, 4...Bd7" "e4 c5 Nf3 d6 d4 cxd4 Qxd4 Bd7")
  ("B53f" "Sicilian, Chekhover, 4...a6" "e4 c5 Nf3 d6 d4 cxd4 Qxd4 a6")
  ("B53g" "Sicilian, Chekhover, 4...a6 5.Be3" "e4 c5 Nf3 d6 d4 cxd4 Qxd4 a6 Be3")
  ("B53h" "Sicilian, Chekhover, 4...a6 5.c4" "e4 c5 Nf3 d6 d4 cxd4 Qxd4 a6 c4")
  ("B53i" "Sicilian, Chekhover, 4...a6 5.c4 Nc6 6.Qd2" "e4 c5 Nf3 d6 d4 cxd4 Qxd4 a6 c4 Nc6 Qd2")
  ("B53j" "Sicilian, Chekhover, 4...a6 5.c4 Nc6 6.Qd2 g6" "e4 c5 Nf3 d6 d4 cxd4 Qxd4 a6 c4 Nc6 Qd2 g6")
  ("B53k" "Sicilian, Chekhover, 4...Nf6" "e4 c5 Nf3 d6 d4 cxd4 Qxd4 Nf6")
  ("B53k" "Sicilian, Chekhover, 4...Nf6 5.Nc3" "e4 c5 Nf3 d6 d4 cxd4 Qxd4 Nf6 Nc3")
  ("B53l" "Sicilian, Chekhover, 4...Nc6" "e4 c5 Nf3 d6 d4 cxd4 Qxd4 Nc6")
  ("B53m" "Sicilian: Chekhover, Zaitsev Variation" "e4 c5 Nf3 d6 d4 cxd4 Qxd4 Nc6 Bb5 Qd7")
  ("B53n" "Sicilian, Chekhover, 4...Nc6 5.Bb5 Bd7" "e4 c5 Nf3 d6 d4 cxd4 Qxd4 Nc6 Bb5 Bd7")
  ("B53o" "Sicilian, Chekhover, 4...Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6" "e4 c5 Nf3 d6 d4 cxd4 Qxd4 Nc6 Bb5 Bd7 Bxc6 Bxc6")
  ("B53p" "Sicilian, Chekhover, 7.c4" "e4 c5 Nf3 d6 d4 cxd4 Qxd4 Nc6 Bb5 Bd7 Bxc6 Bxc6 c4")
  ("B53q" "Sicilian, Chekhover, 7.c4 Nf6 8.Nc3 g6" "e4 c5 Nf3 d6 d4 cxd4 Qxd4 Nc6 Bb5 Bd7 Bxc6 Bxc6 c4 Nf6 Nc3 g6")
  ("B53r" "Sicilian, Chekhover, 7.Nc3" "e4 c5 Nf3 d6 d4 cxd4 Qxd4 Nc6 Bb5 Bd7 Bxc6 Bxc6 Nc3")
  ("B53s" "Sicilian, Chekhover, 7.Nc3 Nf6 8.Bg5" "e4 c5 Nf3 d6 d4 cxd4 Qxd4 Nc6 Bb5 Bd7 Bxc6 Bxc6 Nc3 Nf6 Bg5")
  ("B53t" "Sicilian, Chekhover, 7.Nc3 Nf6 8.Bg5 e6" "e4 c5 Nf3 d6 d4 cxd4 Qxd4 Nc6 Bb5 Bd7 Bxc6 Bxc6 Nc3 Nf6 Bg5 e6")
  ("B53u" "Sicilian, Chekhover, Main Line, 10.Qd3" "e4 c5 Nf3 d6 d4 cxd4 Qxd4 Nc6 Bb5 Bd7 Bxc6 Bxc6 Nc3 Nf6 Bg5 e6 O-O-O Be7 Qd3")
  ("B53v" "Sicilian, Chekhover, Main Line, 10.Rhe1" "e4 c5 Nf3 d6 d4 cxd4 Qxd4 Nc6 Bb5 Bd7 Bxc6 Bxc6 Nc3 Nf6 Bg5 e6 O-O-O Be7 Rhe1")
  ("B53w" "Sicilian, Chekhover, Main Line, 10.Rhe1 O-O" "e4 c5 Nf3 d6 d4 cxd4 Qxd4 Nc6 Bb5 Bd7 Bxc6 Bxc6 Nc3 Nf6 Bg5 e6 O-O-O Be7 Rhe1 O-O")
  ("B53x" "Sicilian, Chekhover, Main Line, 11.Qd2" "e4 c5 Nf3 d6 d4 cxd4 Qxd4 Nc6 Bb5 Bd7 Bxc6 Bxc6 Nc3 Nf6 Bg5 e6 O-O-O Be7 Rhe1 O-O Qd2")
  ("B54a" "Sicilian: Open, 2...d6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4")
  ("B54b" "Sicilian: Open, 2...d6, 4...e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 e5")
  ("B54c" "Sicilian: Open, 2...d6, 4...a6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 a6")
  ("B54d" "Sicilian: Open, 2...d6, 4...Nf6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6")
  ("B54e" "Sicilian: Open, 2...d6, 4...Nf6 5.Bd3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Bd3")
  ("B54f" "Sicilian: Prins (Moscow) Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 f3")
  ("B54g" "Sicilian: Prins (Moscow), 5...e6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 f3 e6")
  ("B54h" "Sicilian: Prins (Moscow), 5...a6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 f3 a6")
  ("B54i" "Sicilian: Prins (Moscow), 5...Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 f3 Nc6")
  ("B54j" "Sicilian: Prins (Moscow), 5...Nc6 6.c4 Nxd4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 f3 Nc6 c4 Nxd4")
  ("B54k" "Sicilian: Prins (Moscow), 5...Nc6 6.c4 Qb6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 f3 Nc6 c4 Qb6")
  ("B54l" "Sicilian: Prins (Moscow), 5...e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 f3 e5")
  ("B54m" "Sicilian: Prins (Moscow), 5...e5 6.Nb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 f3 e5 Nb3")
  ("B54n" "Sicilian: Prins (Moscow), 5...e5 6.Nb3 Be6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 f3 e5 Nb3 Be6")
  ("B54o" "Sicilian: Prins (Moscow), 5...e5 6.Nb3 d5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 f3 e5 Nb3 d5")
  ("B55" "Sicilian: Prins, Venice Attack" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 f3 e5 Bb5+")
  ("B55" "Sicilian: Prins, Venice Attack, 6...Bd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 f3 e5 Bb5+ Bd7")
  ("B55" "Sicilian: Prins, Venice Attack, 6...Nbd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 f3 e5 Bb5+ Nbd7")
  ("B55" "Sicilian: Prins, Venice Attack, 6...Nbd7 7.Nf5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 f3 e5 Bb5+ Nbd7 Nf5")
  ("B55" "Sicilian: Prins, Venice Attack, 6...Nbd7 7.Nf5 d5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 f3 e5 Bb5+ Nbd7 Nf5 d5")
  ("B56a" "Sicilian: Open, 2...d6, 5.Nc3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3")
  ("B56b" "Sicilian: Open, 2...d6, 5.Nc3 e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e5")
  ("B56c" "Sicilian: Venice Attack" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e5 Bb5+")
  ("B56d" "Sicilian: Open, 2...d6, 5.Nc3 Nbd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nbd7")
  ("B56e" "Sicilian: Open, 2...d6, 5.Nc3 Nbd7 6.Bc4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nbd7 Bc4")
  ("B56f" "Sicilian: Open, 2...d6, 5.Nc3 Bd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Bd7")
  ("B56g" "Sicilian: Open, 2...d6, 5.Nc3 Bd7 6.Bg5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Bd7 Bg5")
  ("B56h" "Sicilian: Open, 2...d6 5.Nc3 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6")
  ("B56i" "Sicilian: Open, 2...d6, 5.Nc3 Nc6 6.h3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 h3")
  ("B56j" "Sicilian: Open, 2...d6, 5.Nc3 Nc6 6.g3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 g3")
  ("B56k" "Sicilian: Open, 2...d6, 5.Nc3 Nc6 6.f4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 f4")
  ("B56l" "Sicilian: Open, 2...d6, 5.Nc3 Nc6 6.f3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 f3")
  ("B56m" "Sicilian: Open, 2...d6, 5.Nc3 Nc6 6.f3 e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 f3 e5")
  ("B56m" "Sicilian: Open, 2...d6, 5.Nc3 Nc6 6.f3 e5 7.Nb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 f3 e5 Nb3")
  ("B56n" "Sicilian: Open, 2...d6, 5.Nc3 Nc6 6.f3 e5 7.Nb3 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 f3 e5 Nb3 Be7")
  ("B56o" "Sicilian: Open, 2...d6, 5.Nc3 Nc6 6.Be3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be3")
  ("B56p" "Sicilian: Open, 2...d6, 5.Nc3 Nc6 6.Be3 e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be3 e5")
  ("B56q" "Sicilian: Open, 2...d6, 5.Nc3 Nc6 6.Be3 Ng4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be3 Ng4")
  ("B56r" "Sicilian: Open, 2...d6, 5.Nc3 Nc6 6.Be3 Ng4 7.Bb5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be3 Ng4 Bb5")
  ("B57a" "Sicilian: Sozin" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bc4")
  ("B57a" "Sicilian: Sozin, Magnus Smith Trap" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bc4 g6 Nxc6 bxc6 e5")
  ("B57b" "Sicilian: Sozin, 6...Bd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bc4 Bd7")
  ("B57c" "Sicilian: Sozin, 6...Bd7 7.O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bc4 Bd7 O-O")
  ("B57d" "Sicilian: Sozin, Benko Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bc4 Qb6")
  ("B57e" "Sicilian: Sozin, Benko, 7.Nde2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bc4 Qb6 Nde2")
  ("B57f" "Sicilian: Sozin, Benko, 7.Ndb5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bc4 Qb6 Ndb5")
  ("B57g" "Sicilian: Sozin, Benko, 7.Nxc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bc4 Qb6 Nxc6")
  ("B57h" "Sicilian: Sozin, Benko, 7.Nxc6 bxc6 8.O-O g6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bc4 Qb6 Nxc6 bxc6 O-O g6")
  ("B57i" "Sicilian: Sozin, Benko, 7.Nb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bc4 Qb6 Nb3")
  ("B57j" "Sicilian: Sozin, Benko, 7.Nb3 e6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bc4 Qb6 Nb3 e6")
  ("B57k" "Sicilian: Sozin, Benko, 7.Nb3 e6 8.Be3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bc4 Qb6 Nb3 e6 Be3")
  ("B57l" "Sicilian: Sozin, Benko, 7.Nb3 e6 8.Bf4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bc4 Qb6 Nb3 e6 Bf4")
  ("B57m" "Sicilian: Sozin, Benko, 7.Nb3 e6 8.O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bc4 Qb6 Nb3 e6 O-O")
  ("B57n" "Sicilian: Sozin, Benko, 7.Nb3 e6 8.O-O Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bc4 Qb6 Nb3 e6 O-O Be7")
  ("B57o" "Sicilian: Sozin, Benko, 7.Nb3 e6 8.O-O Be7 9.Be3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bc4 Qb6 Nb3 e6 O-O Be7 Be3")
  ("B58a" "Sicilian: Boleslavsky Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2")
  ("B58b" "Sicilian: Boleslavsky, 6...Bd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 Bd7")
  ("B58c" "Sicilian: Boleslavsky, 6...a6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 a6")
  ("B58d" "Sicilian: Boleslavsky, 6...Nxd4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 Nxd4")
  ("B58e" "Sicilian: Boleslavsky, 6...e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5")
  ("B58f" "Sicilian: Boleslavsky, 7.Ndb5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Ndb5")
  ("B58g" "Sicilian: Boleslavsky, Louma Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nxc6")
  ("B58g" "Sicilian: Boleslavsky, Louma Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nxc6 bxc6")
  ("B58h" "Sicilian: Boleslavsky, 7.Nf3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nf3")
  ("B58i" "Sicilian: Boleslavsky, 7.Nf3 h6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nf3 h6")
  ("B58j" "Sicilian: Boleslavsky, 7.Nf3 h6 8.O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nf3 h6 O-O")
  ("B58k" "Sicilian: Boleslavsky, 7.Nf3 h6 8.O-O Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nf3 h6 O-O Be7")
  ("B58l" "Sicilian: Boleslavsky, 7.Nf3 h6 8.O-O Be7 9.h3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nf3 h6 O-O Be7 h3")
  ("B58m" "Sicilian: Boleslavsky, 7.Nf3 h6 8.O-O Be7 9.Re1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nf3 h6 O-O Be7 Re1")
  ("B58n" "Sicilian: Boleslavsky, 7.Nf3, 9.Re1 O-O 10.h3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nf3 h6 O-O Be7 Re1 O-O h3")
  ("B58o" "Sicilian: Boleslavsky, 7.Nf3, 9.Re1 O-O 10.h3 a6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nf3 h6 O-O Be7 Re1 O-O h3 a6")
  ("B58p" "Sicilian: Boleslavsky, 7.Nf3, 9.Re1 O-O 10.h3 Be6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nf3 h6 O-O Be7 Re1 O-O h3 Be6")
  ("B58p" "Sicilian: Boleslavsky, 7.Nf3, 9.Re1 O-O 10.h3 Be6 11.Bf1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nf3 h6 O-O Be7 Re1 O-O h3 Be6 Bf1")
  ("B58q" "Sicilian: Boleslavsky, 7.Nf3, 9.Re1 O-O 10.h3 Be6 11.Bf1 Nb8" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nf3 h6 O-O Be7 Re1 O-O h3 Be6 Bf1 Nb8")
  ("B58r" "Sicilian: Boleslavsky, 7.Nf3, 9.Re1 O-O 10.h3 Be6 11.Bf1 Nb8 12.b3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nf3 h6 O-O Be7 Re1 O-O h3 Be6 Bf1 Nb8 b3")
  ("B59a" "Sicilian: Boleslavsky, 7.Nb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nb3")
  ("B59b" "Sicilian: Boleslavsky, 7.Nb3 Be6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nb3 Be6")
  ("B59c" "Sicilian: Boleslavsky, 7.Nb3 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nb3 Be7")
  ("B59d" "Sicilian: Boleslavsky, 7.Nb3 Be7 8.Bg5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nb3 Be7 Bg5")
  ("B59e" "Sicilian: Boleslavsky, 7.Nb3 Be7 8.Be3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nb3 Be7 Be3")
  ("B59f" "Sicilian: Boleslavsky, 7.Nb3 Be7 8.O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nb3 Be7 O-O")
  ("B59g" "Sicilian: Boleslavsky, 7.Nb3 Be7 8.O-O O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nb3 Be7 O-O O-O")
  ("B59h" "Sicilian: Boleslavsky, 7.Nb3 Be7 8.O-O O-O 9.Bg5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nb3 Be7 O-O O-O Bg5")
  ("B59i" "Sicilian: Boleslavsky, 7.Nb3 Be7 8.O-O O-O 9.Kh1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nb3 Be7 O-O O-O Kh1")
  ("B59j" "Sicilian: Boleslavsky, 7.Nb3 Be7 8.O-O O-O 9.f4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nb3 Be7 O-O O-O f4")
  ("B59k" "Sicilian: Boleslavsky, 7.Nb3 Be7 8.O-O O-O 9.Be3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nb3 Be7 O-O O-O Be3")
  ("B59l" "Sicilian: Boleslavsky, 7.Nb3 Be7 8.O-O O-O 9.Be3 Be6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nb3 Be7 O-O O-O Be3 Be6")
  ("B59m" "Sicilian: Boleslavsky, 7.Nb3 Be7 8.O-O O-O 9.Be3 a5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Be2 e5 Nb3 Be7 O-O O-O Be3 a5")
  ("B60a" "Sicilian: Richter-Rauzer" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5")
  ("B60b" "Sicilian: Richter-Rauzer, Bondarevsky Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 g6")
  ("B60c" "Sicilian: Richter-Rauzer, 6...Qa5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 Qa5")
  ("B60d" "Sicilian: Richter-Rauzer, 6...Qb6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 Qb6")
  ("B60e" "Sicilian: Richter-Rauzer, 6...a6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 a6")
  ("B60f" "Sicilian: Richter-Rauzer, Larsen Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 Bd7")
  ("B60g" "Sicilian: Richter-Rauzer, Larsen, 7.Nb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 Bd7 Nb3")
  ("B60h" "Sicilian: Richter-Rauzer, Larsen, 7.Bxf6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 Bd7 Bxf6")
  ("B60i" "Sicilian: Richter-Rauzer, Larsen, 7.Be2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 Bd7 Be2")
  ("B60j" "Sicilian: Richter-Rauzer, Larsen, 7.Be2 a6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 Bd7 Be2 a6")
  ("B60k" "Sicilian: Richter-Rauzer, Larsen, 7.Be2 Qa5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 Bd7 Be2 Qa5")
  ("B61a" "Sicilian: Richter-Rauzer, Larsen, 7.Qd2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 Bd7 Qd2")
  ("B61b" "Sicilian: Richter-Rauzer, Larsen, 7.Qd2 a6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 Bd7 Qd2 a6")
  ("B61c" "Sicilian: Richter-Rauzer, Larsen, 7.Qd2 Nxd4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 Bd7 Qd2 Nxd4")
  ("B61d" "Sicilian: Richter-Rauzer, Larsen, 7.Qd2 Rc8" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 Bd7 Qd2 Rc8")
  ("B61e" "Sicilian: Richter-Rauzer, Larsen, 7.Qd2 Rc8 8.O-O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 Bd7 Qd2 Rc8 O-O-O")
  ("B61f" "Sicilian: Richter-Rauzer, Larsen, Main Line" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 Bd7 Qd2 Rc8 O-O-O Nxd4 Qxd4 Qa5")
  ("B61g" "Sicilian: Richter-Rauzer, Larsen, Main Line, 10.Bd2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 Bd7 Qd2 Rc8 O-O-O Nxd4 Qxd4 Qa5 Bd2")
  ("B61h" "Sicilian: Richter-Rauzer, Larsen, Main Line, 10.f4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 Bd7 Qd2 Rc8 O-O-O Nxd4 Qxd4 Qa5 f4")
  ("B62a" "Sicilian: Richter-Rauzer, 6...e6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6")
  ("B62b" "Sicilian: Richter-Rauzer, 6...e6 7.Be2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Be2")
  ("B62c" "Sicilian: Richter-Rauzer, Podebrady Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Nb3")
  ("B62d" "Sicilian: Richter-Rauzer, Richter Attack" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Nxc6")
  ("B62e" "Sicilian: Richter-Rauzer, Keres Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd3")
  ("B62f" "Sicilian: Richter-Rauzer, Margate (Alekhine) Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Bb5")
  ("B62g" "Sicilian: Richter-Rauzer, Margate, 7...Bd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Bb5 Bd7")
  ("B63a" "Sicilian: Richter-Rauzer, Rauzer Attack (7.Qd2)" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2")
  ("B63b" "Sicilian: Richter-Rauzer, 7.Qd2 Nxd4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Nxd4")
  ("B63c" "Sicilian: Richter-Rauzer, 7.Qd2 Qb6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Qb6")
  ("B63d" "Sicilian: Richter-Rauzer, 7.Qd2 Qb6 8.Nb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Qb6 Nb3")
  ("B63e" "Sicilian: Richter-Rauzer, 7.Qd2 Qb6 8.Nb3 a6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Qb6 Nb3 a6")
  ("B63f" "Sicilian: Richter-Rauzer, 7.Qd2 Qb6 8.Nb3 a6 9.O-O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Qb6 Nb3 a6 O-O-O")
  ("B63g" "Sicilian: Richter-Rauzer, 7.Qd2 Qb6 8.Nb3 a6 9.O-O-O Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Qb6 Nb3 a6 O-O-O Be7")
  ("B63h" "Sicilian: Richter-Rauzer, 7.Qd2 h6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 h6")
  ("B63i" "Sicilian: Richter-Rauzer, 7.Qd2 h6 8.Bxf6 gxf6 9.O-O-O a6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 h6 Bxf6 gxf6 O-O-O a6")
  ("B63j" "Sicilian: Richter-Rauzer, 7.Qd2 h6 8.Bxf6 gxf6 9.O-O-O a6 10.f4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 h6 Bxf6 gxf6 O-O-O a6 f4")
  ("B63k" "Sicilian: Richter-Rauzer, 7.Qd2 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7")
  ("B63l" "Sicilian: Richter-Rauzer, 7.Qd2 Be7 8.O-O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O")
  ("B63m" "Sicilian: Richter-Rauzer, 7.Qd2 Be7 8.O-O-O Nxd4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O Nxd4")
  ("B63m" "Sicilian: Richter-Rauzer, 7.Qd2 Be7 8.O-O-O Nxd4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O Nxd4 Qxd4")
  ("B63n" "Sicilian: Richter-Rauzer, 7.Qd2 Be7 8.O-O-O Nxd4 9.Qxd4 O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O Nxd4 Qxd4 O-O")
  ("B63o" "Sicilian: Richter-Rauzer, 7.Qd2 Be7 8.O-O-O O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O")
  ("B63p" "Sicilian: Richter-Rauzer, 7.Qd2 Be7, 9.f3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O f3")
  ("B63q" "Sicilian: Richter-Rauzer, 7.Qd2 Be7, 9.Nb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O Nb3")
  ("B63r" "Sicilian: Richter-Rauzer, 7.Qd2 Be7, 9.Nb3 a5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O Nb3 a5")
  ("B63s" "Sicilian: Richter-Rauzer, 7.Qd2 Be7, 9.Nb3 a6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O Nb3 a6")
  ("B63t" "Sicilian: Richter-Rauzer, Podebrad Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O Nb3 Qb6")
  ("B63u" "Sicilian: Richter-Rauzer, Podebrad, 10.f3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O Nb3 Qb6 f3")
  ("B63v" "Sicilian: Richter-Rauzer, Podebrad, 10.f3 Rd8" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O Nb3 Qb6 f3 Rd8")
  ("B63w" "Sicilian: Richter-Rauzer, Podebrad, 10.f3 Rd8 11.Kb1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O Nb3 Qb6 f3 Rd8 Kb1")
  ("B64a" "Sicilian: Richter-Rauzer, 7.Qd2 Be7, 9.f4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O f4")
  ("B64b" "Sicilian: Richter-Rauzer, Geller Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O f4 e5")
  ("B64c" "Sicilian: Richter-Rauzer, 7.Qd2 Be7, 9.f4 h6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O f4 h6")
  ("B64d" "Sicilian: Richter-Rauzer, 7.Qd2 Be7, 9.f4 h6 10.Bh4 Bd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O f4 h6 Bh4 Bd7")
  ("B64e" "Sicilian: Richter-Rauzer, 7.Qd2 Be7, 9.f4 h6 10.Bh4 e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O f4 h6 Bh4 e5")
  ("B65a" "Sicilian: Richter-Rauzer, 7...Be7, 9.f4 Nxd4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O f4 Nxd4")
  ("B65a" "Sicilian: Richter-Rauzer, 7...Be7, 9.f4 Nxd4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O f4 Nxd4 Qxd4")
  ("B65b" "Sicilian: Richter-Rauzer, 7...Be7, 9.f4 Nxd4 10.Qxd4 h6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O f4 Nxd4 Qxd4 h6")
  ("B65c" "Sicilian: Richter-Rauzer, 7...Be7, 9.f4 Nxd4 10.Qxd4 Qa5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O f4 Nxd4 Qxd4 Qa5")
  ("B65d" "Sicilian: Richter-Rauzer, 7...Be7, 9.f4 Nxd4 10.Qxd4 Qa5 11.Kb1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O f4 Nxd4 Qxd4 Qa5 Kb1")
  ("B65e" "Sicilian: Richter-Rauzer, 7...Be7, 9.f4 Nxd4 10.Qxd4 Qa5 11.Bc4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O f4 Nxd4 Qxd4 Qa5 Bc4")
  ("B65f" "Sicilian: Richter-Rauzer, 7...Be7, 9.f4 Nxd4 10.Qxd4 Qa5 11.Bc4 Bd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O f4 Nxd4 Qxd4 Qa5 Bc4 Bd7")
  ("B65g" "Sicilian: Richter-Rauzer, 7...Be7, 9.f4 Nxd4 10.Qxd4 Qa5 11.Bc4 Bd7 12.e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 Be7 O-O-O O-O f4 Nxd4 Qxd4 Qa5 Bc4 Bd7 e5")
  ("B66a" "Sicilian: Richter-Rauzer, 7...a6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6")
  ("B66b" "Sicilian: Richter-Rauzer, 7...a6 8.Be2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 Be2")
  ("B66c" "Sicilian: Richter-Rauzer, 7...a6 8.O-O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O")
  ("B66d" "Sicilian: Richter-Rauzer, 7...a6 8.O-O-O Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Be7")
  ("B66e" "Sicilian: Richter-Rauzer, 7...a6 8.O-O-O Nxd4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Nxd4")
  ("B66e" "Sicilian: Richter-Rauzer, 7...a6 8.O-O-O Nxd4 9.Qxd4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Nxd4 Qxd4")
  ("B66e" "Sicilian: Richter-Rauzer, 7...a6 8.O-O-O Nxd4 9.Qxd4 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Nxd4 Qxd4 Be7")
  ("B66f" "Sicilian: Richter-Rauzer, 7...a6 8.O-O-O h6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O h6")
  ("B66g" "Sicilian: Richter-Rauzer, 7...a6 8.O-O-O h6 9.Bf4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O h6 Bf4")
  ("B66h" "Sicilian: Richter-Rauzer, 7...a6 8.O-O-O h6 9.Bf4, 11.f3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O h6 Bf4 Bd7 Nxc6 Bxc6 f3")
  ("B66i" "Sicilian: Richter-Rauzer, 7...a6 8.O-O-O h6 9.Be3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O h6 Be3")
  ("B66j" "Sicilian: Richter-Rauzer, 7...a6 8.O-O-O h6 9.Be3 Qc7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O h6 Be3 Qc7")
  ("B66k" "Sicilian: Richter-Rauzer, 7...a6 8.O-O-O h6 9.Be3 Bd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O h6 Be3 Bd7")
  ("B66l" "Sicilian: Richter-Rauzer, 7...a6 8.O-O-O h6 9.Be3 Bd7 10.f3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O h6 Be3 Bd7 f3")
  ("B66m" "Sicilian: Richter-Rauzer, 7...a6 8.O-O-O h6 9.Be3 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O h6 Be3 Be7")
  ("B66m" "Sicilian: Richter-Rauzer, 7...a6 8.O-O-O h6 9.Be3 Be7 10.f3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O h6 Be3 Be7 f3")
  ("B66m" "Sicilian: Richter-Rauzer, 7...a6 8.O-O-O h6 9.Be3 Be7 10.f3 Nxd4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O h6 Be3 Be7 f3 Nxd4")
  ("B66n" "Sicilian: Richter-Rauzer, 7...a6 8.O-O-O h6 9.Be3 Be7 10.f3 Nxd4 11.Bxd4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O h6 Be3 Be7 f3 Nxd4 Bxd4")
  ("B66o" "Sicilian: Richter-Rauzer, 7...a6 8.O-O-O h6 9.Be3 Be7 10.f4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O h6 Be3 Be7 f4")
  ("B66p" "Sicilian: Richter-Rauzer, 7...a6 8.O-O-O h6 9.Be3 Be7 10.f4 Nxd4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O h6 Be3 Be7 f4 Nxd4")
  ("B67a" "Sicilian: Richter-Rauzer, 7...a6 8.O-O-O Bd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7")
  ("B67b" "Sicilian: Richter-Rauzer, 7...a6, 9.Be2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 Be2")
  ("B67c" "Sicilian: Richter-Rauzer, 7...a6, 9.f3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f3")
  ("B67d" "Sicilian: Richter-Rauzer, 7...a6, 9.f3 Rc8" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f3 Rc8")
  ("B67e" "Sicilian: Richter-Rauzer, 7...a6, 9.f3 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f3 Be7")
  ("B67f" "Sicilian: Richter-Rauzer, 7...a6, 9.f3 Be7 10.h4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f3 Be7 h4")
  ("B67g" "Sicilian: Richter-Rauzer, 7...a6, 9.f4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4")
  ("B67h" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 h6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 h6")
  ("B67i" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 h6 10.Bh4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 h6 Bh4")
  ("B67j" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 h6 10.Bh4 g5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 h6 Bh4 g5")
  ("B67k" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 b5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 b5")
  ("B67l" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 b5 10.Nxc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 b5 Nxc6")
  ("B67m" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 b5 10.Bxf6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 b5 Bxf6")
  ("B67m" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 b5 10.Bxf6 gxf6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 b5 Bxf6 gxf6")
  ("B67n" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 b5 10.Bxf6 gxf6 11.f5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 b5 Bxf6 gxf6 f5")
  ("B67o" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 b5 10.Bxf6 gxf6 11.Nxc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 b5 Bxf6 gxf6 Nxc6")
  ("B67p" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 b5 10.Bxf6 gxf6 11.Nxc6 Bxc6 12.Qe1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 b5 Bxf6 gxf6 Nxc6 Bxc6 Qe1")
  ("B67q" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 b5 10.Bxf6 gxf6 11.Kb1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 b5 Bxf6 gxf6 Kb1")
  ("B67r" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 b5 10.Bxf6 gxf6 11.Kb1 Qb6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 b5 Bxf6 gxf6 Kb1 Qb6")
  ("B67s" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 b5 10.Bxf6 gxf6 11.Kb1 Qb6 12.Nxc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 b5 Bxf6 gxf6 Kb1 Qb6 Nxc6")
  ("B68" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 Be7")
  ("B68" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 Be7 10.Be2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 Be7 Be2")
  ("B68" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 Be7 10.Be2 Qc7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 Be7 Be2 Qc7")
  ("B68" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 Be7 10.Nf3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 Be7 Nf3")
  ("B68" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 Be7 10.Nf3 b5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 Be7 Nf3 b5")
  ("B68" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 Be7 10.Nf3 b5 11.e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 Be7 Nf3 b5 e5")
  ("B69" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 Be7 10.Nf3 b5 11.Bxf6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 Be7 Nf3 b5 Bxf6")
  ("B69" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 Be7 10.Nf3 b5 11.Bxf6 gxf6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 Be7 Nf3 b5 Bxf6 gxf6")
  ("B69" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 Be7 10.Nf3 b5 11.Bxf6 gxf6 12.Kb1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 Be7 Nf3 b5 Bxf6 gxf6 Kb1")
  ("B69" "Sicilian: Richter-Rauzer, 7...a6, 9.f4 Be7 10.Nf3 b5 11.Bxf6 gxf6 12.f5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 Nc6 Bg5 e6 Qd2 a6 O-O-O Bd7 f4 Be7 Nf3 b5 Bxf6 gxf6 f5")
  ("B70a" "Sicilian: Dragon" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6")
  ("B70a" "Sicilian: Dragon, 6.f3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 f3")
  ("B70b" "Sicilian: Dragon, 6.g3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 g3")
  ("B70c" "Sicilian: Dragon, 6.g3 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 g3 Nc6")
  ("B70c" "Sicilian: Dragon, 6.g3 Nc6 7.Bg2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 g3 Nc6 Bg2")
  ("B70d" "Sicilian: Dragon, 6.g3 Nc6 7.Nde2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 g3 Nc6 Nde2")
  ("B70e" "Sicilian: Dragon, 6.Bg5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Bg5")
  ("B70e" "Sicilian: Dragon, 6.Bg5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Bg5 Bg7")
  ("B70f" "Sicilian: Dragon, 6.Bc4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Bc4")
  ("B70f" "Sicilian: Dragon, 6.Bc4 Bg7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Bc4 Bg7")
  ("B70g" "Sicilian: Dragon, 6.Bc4 Bg7 7.h3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Bc4 Bg7 h3")
  ("B70h" "Sicilian: Dragon, 6.Bc4 Bg7 7.O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Bc4 Bg7 O-O")
  ("B70i" "Sicilian: Dragon, 6.Be2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2")
  ("B70i" "Sicilian: Dragon, 6.Be2 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Nc6")
  ("B70j" "Sicilian: Dragon, 6.Be2 a6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 a6")
  ("B70j" "Sicilian: Dragon, 6.Be2 a6 7.a4 Bg7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 a6 a4 Bg7")
  ("B70k" "Sicilian: Dragon, 6.Be2 Bg7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7")
  ("B70l" "Sicilian: Dragon, 6.Be2 Bg7 7.O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 O-O")
  ("B70l" "Sicilian: Dragon, 6.Be2 Bg7 7.O-O Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 O-O Nc6")
  ("B70m" "Sicilian: Dragon, 6.Be2 Bg7 7.O-O Nc6 8.Nb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 O-O Nc6 Nb3")
  ("B70n" "Sicilian: Dragon, 6.Be2 Bg7 7.O-O Nc6 8.Nb3 O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 O-O Nc6 Nb3 O-O")
  ("B70o" "Sicilian: Dragon, 6.Be2 Bg7 7.O-O O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 O-O O-O")
  ("B70p" "Sicilian: Dragon, 6.Be2 Bg7 7.O-O O-O 8.Re1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 O-O O-O Re1")
  ("B70p" "Sicilian: Dragon, 6.Be2 Bg7 7.O-O O-O 8.Re1 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 O-O O-O Re1 Nc6")
  ("B70q" "Sicilian: Dragon, 6.Be2 Bg7 7.O-O O-O 8.Re1 Nc6 9.Nb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 O-O O-O Re1 Nc6 Nb3")
  ("B70r" "Sicilian: Dragon, 6.Be2 Bg7 7.O-O O-O 8.Re1 Nc6 9.Nb3 Be6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 O-O O-O Re1 Nc6 Nb3 Be6")
  ("B70s" "Sicilian: Dragon, 6.Be2 Bg7 7.O-O O-O 8.Bg5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 O-O O-O Bg5")
  ("B70s" "Sicilian: Dragon, 6.Be2 Bg7 7.O-O O-O 8.Bg5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 O-O O-O Bg5 Nc6")
  ("B70t" "Sicilian: Dragon, 6.Be2 Bg7 7.O-O O-O 8.Bg5 Nc6 9.Nb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 O-O O-O Bg5 Nc6 Nb3")
  ("B70u" "Sicilian: Dragon, 6.Be2 Bg7 7.O-O O-O 8.Bg5 Nc6 9.Nb3 a6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 O-O O-O Bg5 Nc6 Nb3 a6")
  ("B70v" "Sicilian: Dragon, 6.Be2 Bg7 7.O-O O-O 8.Bg5 Nc6 9.Nb3 Be6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 O-O O-O Bg5 Nc6 Nb3 Be6")
  ("B70w" "Sicilian: Dragon, 6.Be2 Bg7 7.O-O O-O 8.Bg5 Nc6 9.Nb3 Be6 10.Kh1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be2 Bg7 O-O O-O Bg5 Nc6 Nb3 Be6 Kh1")
  ("B71" "Sicilian: Dragon, Levenfish Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 f4")
  ("B71" "Sicilian: Dragon, Levenfish, 6...Bg7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 f4 Bg7")
  ("B71" "Sicilian: Dragon, Levenfish, 6...Bg7 7.e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 f4 Bg7 e5")
  ("B71" "Sicilian: Dragon, Levenfish, 6...Nbd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 f4 Nbd7")
  ("B71" "Sicilian: Dragon, Levenfish, 6...Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 f4 Nc6")
  ("B71" "Sicilian: Dragon, Levenfish, 6...Nc6 7.Bb5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 f4 Nc6 Bb5")
  ("B71" "Sicilian: Dragon, Levenfish, 6...Nc6 7.Nf3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 f4 Nc6 Nf3")
  ("B71" "Sicilian: Dragon, Levenfish, 6...Nc6 7.Nxc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 f4 Nc6 Nxc6")
  ("B72" "Sicilian: Dragon, 6.Be3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3")
  ("B72" "Sicilian: Dragon, 6.Be3 Bg7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7")
  ("B72" "Sicilian: Dragon, 6.Be3 Bg7 7.Qd2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Qd2")
  ("B72" "Sicilian: Dragon, 6.Be3 Bg7 7.Bc4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Bc4")
  ("B72" "Sicilian: Dragon, 6.Be3 Bg7 7.Bc4 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Bc4 Nc6")
  ("B72" "Sicilian: Dragon, 6.Be3 Bg7 7.Bc4 O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Bc4 O-O")
  ("B72" "Sicilian: Dragon, Classical Attack" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2")
  ("B72" "Sicilian: Dragon, Classical Attack" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 O-O")
  ("B72" "Sicilian: Dragon, Classical Attack" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 O-O O-O")
  ("B72" "Sicilian: Dragon, Classical, Amsterdam Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 Qd2")
  ("B72" "Sicilian: Dragon, Classical, Grigoriev Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 Qd2 O-O O-O-O")
  ("B72" "Sicilian: Dragon, Classical, Nottingham Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 Nb3")
  ("B73" "Sicilian: Dragon, Classical, 8.O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 O-O")
  ("B73" "Sicilian: Dragon, Classical, 8.O-O O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 O-O O-O")
  ("B73" "Sicilian: Dragon, Classical, 9.Kh1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 O-O O-O Kh1")
  ("B73" "Sicilian: Dragon, Classical, Richter Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 O-O O-O Qd2")
  ("B73" "Sicilian: Dragon, Classical, 9.f4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 O-O O-O f4")
  ("B73" "Sicilian: Dragon, Classical, Zollner Gambit" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 O-O O-O f4 Qb6 e5")
  ("B74" "Sicilian: Dragon, Classical, 9.Nb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 O-O O-O Nb3")
  ("B74" "Sicilian: Dragon, Classical, 9.Nb3 b6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 O-O O-O Nb3 b6")
  ("B74" "Sicilian: Dragon, Classical, Alekhine Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 O-O O-O Nb3 a5")
  ("B74" "Sicilian: Dragon, Classical, 9.Nb3 a6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 O-O O-O Nb3 a6")
  ("B74" "Sicilian: Dragon, Classical, 9.Nb3 Be6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 O-O O-O Nb3 Be6")
  ("B74" "Sicilian: Dragon, Classical, 9.Nb3 Be6 10.f4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 O-O O-O Nb3 Be6 f4")
  ("B74" "Sicilian: Dragon, Classical, 9.Nb3 Be6 10.f4 Rc8" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 O-O O-O Nb3 Be6 f4 Rc8")
  ("B74" "Sicilian: Dragon, Classical, Tartakower Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 O-O O-O Nb3 Be6 f4 Qc8")
  ("B74" "Sicilian: Dragon, Classical, Maroczy Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 O-O O-O Nb3 Be6 f4 Na5")
  ("B74" "Sicilian: Dragon, Classical, Stockholm Attack" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 O-O O-O Nb3 Be6 f4 Na5 f5 Bc4 Nxa5 Bxe2 Qxe2 Qxa5 g4")
  ("B74" "Sicilian: Dragon, Classical, Spielmann Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 O-O O-O Nb3 Be6 f4 Na5 f5 Bc4 Bd3")
  ("B74" "Sicilian: Dragon, Classical, Bernard Defence" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 Be2 Nc6 O-O O-O Nb3 Be6 f4 Na5 f5 Bc4 Bd3 Bxd3 cxd3 d5")
  ("B75" "Sicilian: Dragon, Yugoslav Attack" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3")
  ("B75" "Sicilian: Dragon, Yugoslav, 7...a6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 a6")
  ("B75" "Sicilian: Dragon, Yugoslav, 7...Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 Nc6")
  ("B75" "Sicilian: Dragon, Yugoslav, 7...Nc6 8.Bc4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 Nc6 Bc4")
  ("B75" "Sicilian: Dragon, Yugoslav, 7...Nc6 8.Qd2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 Nc6 Qd2")
  ("B75" "Sicilian: Dragon, Yugoslav, 7...Nc6 8.Qd2 Bd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 Nc6 Qd2 Bd7")
  ("B75" "Sicilian: Dragon, Yugoslav, 7...Nc6 8.Qd2 Bd7 9.O-O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 Nc6 Qd2 Bd7 O-O-O")
  ("B75" "Sicilian: Dragon, Yugoslav, 7...Nc6 8.Qd2 Bd7 9.O-O-O Rc8" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 Nc6 Qd2 Bd7 O-O-O Rc8")
  ("B76a" "Sicilian: Dragon, Yugoslav, 7.f3 O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O")
  ("B76b" "Sicilian: Dragon, Yugoslav, 7.f3 O-O 8.Qd2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2")
  ("B76c" "Sicilian: Dragon, Yugoslav, 8.Qd2 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6")
  ("B76d" "Sicilian: Dragon, Yugoslav, 9.g4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 g4")
  ("B76e" "Sicilian: Dragon, Yugoslav, 9.g4 Be6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 g4 Be6")
  ("B76f" "Sicilian: Dragon, Yugoslav, 9.g4 Nxd4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 g4 Nxd4")
  ("B76g" "Sicilian: Dragon, Yugoslav, 9.O-O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 O-O-O")
  ("B76h" "Sicilian: Dragon, Yugoslav, 9.O-O-O Bd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 O-O-O Bd7")
  ("B76i" "Sicilian: Dragon, Yugoslav, 9.O-O-O Bd7 10.g4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 O-O-O Bd7 g4")
  ("B76j" "Sicilian: Dragon, Yugoslav, 9.O-O-O Nxd4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 O-O-O Nxd4")
  ("B76k" "Sicilian: Dragon, Yugoslav, 9.O-O-O Nxd4 10.Bxd4 Be6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 O-O-O Nxd4 Bxd4 Be6")
  ("B76l" "Sicilian: Dragon, Yugoslav, 9.O-O-O Nxd4: 11.Kb1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 O-O-O Nxd4 Bxd4 Be6 Kb1")
  ("B76m" "Sicilian: Dragon, Yugoslav, 9.O-O-O Nxd4: 11.Kb1 Qc7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 O-O-O Nxd4 Bxd4 Be6 Kb1 Qc7")
  ("B76n" "Sicilian: Dragon, Yugoslav, 9.O-O-O Nxd4: 11.Kb1 Qc7 12.g4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 O-O-O Nxd4 Bxd4 Be6 Kb1 Qc7 g4")
  ("B76o" "Sicilian: Dragon, Yugoslav, 9.O-O-O d5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 O-O-O d5")
  ("B76p" "Sicilian: Dragon, Yugoslav, 9.O-O-O d5 10.Qe1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 O-O-O d5 Qe1")
  ("B76q" "Sicilian: Dragon, Yugoslav, 9.O-O-O d5 10.exd5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 O-O-O d5 exd5")
  ("B76q" "Sicilian: Dragon, Yugoslav, 9.O-O-O d5 10.exd5 Nxd5 11.Nxc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 O-O-O d5 exd5 Nxd5 Nxc6")
  ("B76r" "Sicilian: Dragon, Yugoslav, 9.O-O-O d5: 12.Nxd5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 O-O-O d5 exd5 Nxd5 Nxc6 bxc6 Nxd5")
  ("B76s" "Sicilian: Dragon, Yugoslav, 9.O-O-O d5: 12.Bd4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 O-O-O d5 exd5 Nxd5 Nxc6 bxc6 Bd4")
  ("B76t" "Sicilian: Dragon, Yugoslav, 9.O-O-O d5: 12.Bd4 e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 O-O-O d5 exd5 Nxd5 Nxc6 bxc6 Bd4 e5")
  ("B76u" "Sicilian: Dragon, Yugoslav, 9.O-O-O d5: 12.Bd4 e5 13.Bc5 Be6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 O-O-O d5 exd5 Nxd5 Nxc6 bxc6 Bd4 e5 Bc5 Be6")
  ("B77a" "Sicilian: Dragon, Yugoslav, 9.Bc4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4")
  ("B77b" "Sicilian: Dragon, Yugoslav, Byrne Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 a5")
  ("B77c" "Sicilian: Dragon, Yugoslav, 9.Bc4 Ne5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Ne5")
  ("B77d" "Sicilian: Dragon, Yugoslav, 9.Bc4 Nd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Nd7")
  ("B77e" "Sicilian: Dragon, Yugoslav, 9.Bc4 Nxd4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Nxd4")
  ("B77f" "Sicilian: Dragon, Yugoslav, 9.Bc4 Bd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7")
  ("B77g" "Sicilian: Dragon, Yugoslav, 9.Bc4 Bd7 10.Bb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 Bb3")
  ("B77h" "Sicilian: Dragon, Yugoslav, 9.Bc4 Bd7 10.g4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 g4")
  ("B77i" "Sicilian: Dragon, Yugoslav, 9.Bc4 Bd7 10.h4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 h4")
  ("B77j" "Sicilian: Dragon, Yugoslav, 9.Bc4 Bd7 10.h4 Rc8" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 h4 Rc8")
  ("B78a" "Sicilian: Dragon, Yugoslav, 10.O-O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O")
  ("B78b" "Sicilian: Dragon, Yugoslav, 10.O-O-O Ne5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Ne5")
  ("B78c" "Sicilian: Dragon, Yugoslav, 10.O-O-O Rc8" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Rc8")
  ("B78c" "Sicilian: Dragon, Yugoslav, 10.O-O-O Rc8 11.Bb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Rc8 Bb3")
  ("B78d" "Sicilian: Dragon, Yugoslav, Modern Main Line" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Rc8 Bb3 Ne5")
  ("B78e" "Sicilian: Dragon, Yugoslav, Main Line, 12.Kb1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Rc8 Bb3 Ne5 Kb1")
  ("B78e" "Sicilian: Dragon, Yugoslav, Main Line, 12.Kb1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Rc8 Bb3 Ne5 Kb1 Nc4 Bxc4 Rxc4")
  ("B78f" "Sicilian: Dragon, Yugoslav, Main Line, 12.Kb1: 14.g4 b5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Rc8 Bb3 Ne5 Kb1 Nc4 Bxc4 Rxc4 g4 b5")
  ("B78g" "Sicilian: Dragon, Yugoslav, Main Line, 12.h4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Rc8 Bb3 Ne5 h4")
  ("B78g" "Sicilian: Dragon, Yugoslav, Main Line, 12.h4 Nc4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Rc8 Bb3 Ne5 h4 Nc4")
  ("B78h" "Sicilian: Dragon, Yugoslav, Main Line, 12.h4 Nc4: 14.g4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Rc8 Bb3 Ne5 h4 Nc4 Bxc4 Rxc4 g4")
  ("B78i" "Sicilian: Dragon, Yugoslav, Main Line, 12.h4 Nc4: 14.h5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Rc8 Bb3 Ne5 h4 Nc4 Bxc4 Rxc4 h5")
  ("B78j" "Sicilian: Dragon, Yugoslav, Main Line, 12.h4 h5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Rc8 Bb3 Ne5 h4 h5")
  ("B78k" "Sicilian: Dragon, Yugoslav, Main Line, 12.h4 h5 13.Kb1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Rc8 Bb3 Ne5 h4 h5 Kb1")
  ("B78l" "Sicilian: Dragon, Yugoslav, Main Line, 12.h4 h5 13.Bh6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Rc8 Bb3 Ne5 h4 h5 Bh6")
  ("B78m" "Sicilian: Dragon, Yugoslav, Main Line, 12.h4 h5 13.Bh6 Bxh6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Rc8 Bb3 Ne5 h4 h5 Bh6 Bxh6")
  ("B78n" "Sicilian: Dragon, Yugoslav, Main Line, 12.h4 h5 13.Bg5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Rc8 Bb3 Ne5 h4 h5 Bg5")
  ("B78o" "Sicilian: Dragon, Yugoslav, Main Line, 12.h4 h5 13.Bg5 Rc5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Rc8 Bb3 Ne5 h4 h5 Bg5 Rc5")
  ("B78p" "Sicilian: Dragon, Yugoslav, Main Line, 12.h4 h5 13.Bg5 Rc5 14.g4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Rc8 Bb3 Ne5 h4 h5 Bg5 Rc5 g4")
  ("B78q" "Sicilian: Dragon, Yugoslav, Main Line, 12.h4 h5 13.Bg5 Rc5 14.Kb1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Rc8 Bb3 Ne5 h4 h5 Bg5 Rc5 Kb1")
  ("B78r" "Sicilian: Dragon, Yugoslav, Old Main Line" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Qa5")
  ("B78s" "Sicilian: Dragon, Yugoslav, Old Main Line, 11.Bb3 Rac8" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Qa5 Bb3 Rac8")
  ("B78t" "Sicilian: Dragon, Yugoslav, Old Main Line, 11.Bb3 Rfc8" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Qa5 Bb3 Rfc8")
  ("B79a" "Sicilian: Dragon, Yugoslav, Old Main Line, 12.h4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Qa5 Bb3 Rfc8 h4")
  ("B79a" "Sicilian: Dragon, Yugoslav, Old Main Line, 12.h4 h5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Qa5 Bb3 Rfc8 h4 h5")
  ("B79b" "Sicilian: Dragon, Yugoslav, Old Main Line, 12.h4 Ne5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Qa5 Bb3 Rfc8 h4 Ne5")
  ("B79c" "Sicilian: Dragon, Yugoslav, Old Main Line, 12.h4 Ne5 13.Kb1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Qa5 Bb3 Rfc8 h4 Ne5 Kb1")
  ("B79d" "Sicilian: Dragon, Yugoslav, Old Main Line, 12.h4 Ne5 13.Kb1 Nc4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Qa5 Bb3 Rfc8 h4 Ne5 Kb1 Nc4")
  ("B79e" "Sicilian: Dragon, Yugoslav, Old Main Line, 12.h4 Ne5 13.g4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Qa5 Bb3 Rfc8 h4 Ne5 g4")
  ("B79f" "Sicilian: Dragon, Yugoslav, Old Main Line, 12.h4 Ne5 13.h5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 g6 Be3 Bg7 f3 O-O Qd2 Nc6 Bc4 Bd7 O-O-O Qa5 Bb3 Rfc8 h4 Ne5 h5")
  ("B80a" "Sicilian: Scheveningen" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6")
  ("B80b" "Sicilian: Scheveningen, 6.Be3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be3")
  ("B80c" "Sicilian: Scheveningen, 6.Be3 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be3 Nc6")
  ("B80d" "Sicilian: Scheveningen, 6.Be3 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be3 Nc6 f3")
  ("B80e" "Sicilian: Scheveningen, 6.Be3 a6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be3 a6")
  ("B80f" "Sicilian: Scheveningen, 7.Qd2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be3 a6 Qd2")
  ("B80g" "Sicilian: Scheveningen, English Attack" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be3 a6 f3")
  ("B80h" "Sicilian: Scheveningen, English Attack, 7...Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be3 a6 f3 Nc6")
  ("B80h" "Sicilian: Scheveningen, English, 7...Nc6 8.Qd2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be3 a6 f3 Nc6 Qd2")
  ("B80i" "Sicilian: Scheveningen, English, 7...Nc6 8.Qd2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be3 a6 f3 Nc6 Qd2 Be7")
  ("B80j" "Sicilian: Scheveningen, English Attack, 7...b5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be3 a6 f3 b5")
  ("B80k" "Sicilian: Scheveningen, English, 7...b5 8.Qd2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be3 a6 f3 b5 Qd2")
  ("B80l" "Sicilian: Scheveningen, English, 7...b5, 8.Qd2 Bb7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be3 a6 f3 b5 Qd2 Bb7")
  ("B80l" "Sicilian: Scheveningen, English, 7...b5 8.Qd2 Bb7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be3 a6 f3 b5 Qd2 Bb7 g4")
  ("B80m" "Sicilian: Scheveningen, English, 7...b5 8.Qd2 Nbd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be3 a6 f3 b5 Qd2 Nbd7")
  ("B80n" "Sicilian: Scheveningen, Vitolins Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bb5+")
  ("B80n" "Sicilian: Scheveningen, Vitolins, 6...Bd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bb5+ Bd7")
  ("B80o" "Sicilian: Scheveningen, Fianchetto Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g3")
  ("B80p" "Sicilian: Scheveningen, Fianchetto Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g3 a6")
  ("B80q" "Sicilian: Scheveningen, Fianchetto Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g3 Nc6")
  ("B80r" "Sicilian: Scheveningen, Fianchetto Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g3 Nc6 Bg2 a6")
  ("B80r" "Sicilian: Scheveningen, Fianchetto Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g3 Nc6 Bg2 a6 O-O")
  ("B80r" "Sicilian: Scheveningen, Fianchetto Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g3 Nc6 Bg2 a6 O-O Bd7")
  ("B80s" "Sicilian: Scheveningen, Fianchetto Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g3 Nc6 Bg2 Qc7")
  ("B80t" "Sicilian: Scheveningen, Fianchetto Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g3 Nc6 Bg2 Qc7 O-O a6")
  ("B80u" "Sicilian: Scheveningen, Fianchetto Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g3 Nc6 Bg2 Qc7 O-O a6 Re1 Be7")
  ("B81a" "Sicilian: Scheveningen, Keres Attack" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4")
  ("B81b" "Sicilian: Scheveningen, Keres, 6...e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4 e5")
  ("B81c" "Sicilian: Scheveningen, Keres, 6...a6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4 a6")
  ("B81d" "Sicilian: Scheveningen, Keres, Perenyi Attack" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4 a6 Be3")
  ("B81e" "Sicilian: Scheveningen, Keres, Perenyi Attack, 7...e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4 a6 Be3 e5")
  ("B81f" "Sicilian: Scheveningen, Keres, Perenyi Attack, 7...h6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4 a6 Be3 h6")
  ("B81g" "Sicilian: Scheveningen, Keres, Perenyi Attack, 7...h6 8.f4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4 a6 Be3 h6 f4")
  ("B81h" "Sicilian: Scheveningen, Keres, 6...h6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4 h6")
  ("B81i" "Sicilian: Scheveningen, Keres, 6...h6 7.h3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4 h6 h3")
  ("B81i" "Sicilian: Scheveningen, Keres, 6...h6 7.h3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4 h6 h3 Nc6 Bg2")
  ("B81i" "Sicilian: Scheveningen, Keres, 6...h6 7.h3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4 h6 h3 a6 Bg2")
  ("B81j" "Sicilian: Scheveningen, Keres, 6...h6 7.h4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4 h6 h4")
  ("B81k" "Sicilian: Scheveningen, Keres, 6...h6 7.h4 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4 h6 h4 Be7")
  ("B81l" "Sicilian: Scheveningen, Keres, 6...h6 7.h4 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4 h6 h4 Nc6")
  ("B81m" "Sicilian: Scheveningen, Keres, 6...h6 7.h4 Nc6 8.Rg1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4 h6 h4 Nc6 Rg1")
  ("B81n" "Sicilian: Scheveningen, Keres, 6...h6 7.h4 Nc6 8.Rg1 h5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4 h6 h4 Nc6 Rg1 h5")
  ("B81o" "Sicilian: Scheveningen, Keres, 6...h6 7.g5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4 h6 g5")
  ("B81p" "Sicilian: Scheveningen, Keres, 6...h6 7.Rg1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4 h6 Rg1")
  ("B81q" "Sicilian: Scheveningen, Keres, 6...Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4 Nc6")
  ("B81r" "Sicilian: Scheveningen, Keres, 6...Nc6 7.g5 Nd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4 Nc6 g5 Nd7")
  ("B81s" "Sicilian: Scheveningen, Keres, 6...Nc6 7.g5 Nd7 8.Be3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4 Nc6 g5 Nd7 Be3")
  ("B81t" "Sicilian: Scheveningen, Keres, 6...Nc6 7.g5 Nd7 8.Be3 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 g4 Nc6 g5 Nd7 Be3 Be7")
  ("B82" "Sicilian: Scheveningen, 6.f4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 f4")
  ("B82" "Sicilian: Scheveningen, 6.f4 Qb6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 f4 Qb6")
  ("B82" "Sicilian: Scheveningen, 6.f4 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 f4 Be7")
  ("B82" "Sicilian: Scheveningen, 6.f4 a6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 f4 a6")
  ("B82" "Sicilian: Scheveningen, 6.f4 a6 7.Be3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 f4 a6 Be3")
  ("B82" "Sicilian: Scheveningen, 6.f4 a6 7.Be3 b5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 f4 a6 Be3 b5")
  ("B82" "Sicilian: Scheveningen, 6.f4 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 f4 Nc6")
  ("B82" "Sicilian: Scheveningen, 6.f4 Nc6 7.Be3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 f4 Nc6 Be3")
  ("B82" "Sicilian: Scheveningen, 6.f4 Nc6 7.Be3 Qc7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 f4 Nc6 Be3 Qc7")
  ("B82" "Sicilian: Scheveningen, 6.f4 Nc6 7.Be3 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 f4 Nc6 Be3 Be7")
  ("B82" "Sicilian: Scheveningen, Tal Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 f4 Nc6 Be3 Be7 Qf3")
  ("B82" "Sicilian: Scheveningen, Tal, 8...e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 f4 Nc6 Be3 Be7 Qf3 e5")
  ("B82" "Sicilian: Scheveningen, Tal, 8...Qc7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 f4 Nc6 Be3 Be7 Qf3 Qc7")
  ("B83" "Sicilian: Scheveningen, 6.Be2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2")
  ("B83" "Sicilian: Scheveningen, 6.Be2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 Be7")
  ("B83" "Sicilian: Scheveningen, Modern" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 Nc6")
  ("B83" "Sicilian: Scheveningen, Modern" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 Nc6 O-O Be7")
  ("B83" "Sicilian: Scheveningen, Modern" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 Nc6 O-O Be7 Be3 O-O")
  ("B83" "Sicilian: Scheveningen, Modern, 9.f4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 Nc6 O-O Be7 Be3 O-O f4")
  ("B83" "Sicilian: Scheveningen, Modern, 9.f4 e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 Nc6 O-O Be7 Be3 O-O f4 e5")
  ("B83" "Sicilian: Scheveningen, Modern, 9.f4 e5 10.Nb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 Nc6 O-O Be7 Be3 O-O f4 e5 Nb3")
  ("B83" "Sicilian: Scheveningen, Modern, 9.f4 e5 10.Nb3 exf4 11.Bxf4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 Nc6 O-O Be7 Be3 O-O f4 e5 Nb3 exf4 Bxf4")
  ("B83" "Sicilian: Scheveningen, Modern, 9.f4 Bd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 Nc6 O-O Be7 Be3 O-O f4 Bd7")
  ("B83" "Sicilian: Scheveningen, Modern, 9.f4 Bd7 10.Nb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 Nc6 O-O Be7 Be3 O-O f4 Bd7 Nb3")
  ("B83" "Sicilian: Scheveningen, Modern, 9.f4 Bd7 10.Nb3 a6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 Nc6 O-O Be7 Be3 O-O f4 Bd7 Nb3 a6")
  ("B83" "Sicilian: Scheveningen, Modern, 9.f4 Bd7 10.Nb3 a6 11.a4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 Nc6 O-O Be7 Be3 O-O f4 Bd7 Nb3 a6 a4")
  ("B83" "Sicilian: Scheveningen, Modern, 9.f4 Bd7 10.Kh1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 Nc6 O-O Be7 Be3 O-O f4 Bd7 Kh1")
  ("B83" "Sicilian: Scheveningen, Modern, 9.f4 Bd7 10.Qe1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 Nc6 O-O Be7 Be3 O-O f4 Bd7 Qe1")
  ("B84" "Sicilian: Scheveningen, Classical" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6")
  ("B84" "Sicilian: Scheveningen, Classical, 7.a4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 a4")
  ("B84" "Sicilian: Scheveningen, Classical, 7.f4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 f4")
  ("B84" "Sicilian: Scheveningen, Classical, 7.Be3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 Be3")
  ("B84" "Sicilian: Scheveningen, Classical, 7.O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O")
  ("B84" "Sicilian: Scheveningen, Classical, 7.O-O Nbd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Nbd7")
  ("B84" "Sicilian: Scheveningen, Classical, 7.O-O Nbd7 8.a4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Nbd7 a4")
  ("B84" "Sicilian: Scheveningen, Classical, 7.O-O Nbd7 8.f4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Nbd7 f4")
  ("B84" "Sicilian: Scheveningen, Classical, 7.O-O Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Nc6")
  ("B84" "Sicilian: Scheveningen, Classical, 7.O-O Qc7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Qc7")
  ("B84" "Sicilian: Scheveningen, Classical, 7.O-O Qc7 8.Kh1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Qc7 Kh1")
  ("B84" "Sicilian: Scheveningen, Classical, 7.O-O Qc7 8.Kh1 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Qc7 Kh1 Nc6")
  ("B84" "Sicilian: Scheveningen, Classical, 7.O-O Qc7 8.a4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Qc7 a4")
  ("B84" "Sicilian: Scheveningen, Classical, 7.O-O Qc7 8.a4 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Qc7 a4 Nc6")
  ("B84" "Sicilian: Scheveningen, Classical, 7.O-O Qc7 8.Bf3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Qc7 Bf3")
  ("B84" "Sicilian: Scheveningen, Classical, 7.O-O Qc7 8.Be3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Qc7 Be3")
  ("B84" "Sicilian: Scheveningen, Classical, 7.O-O Qc7 8.Be3 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Qc7 Be3 Nc6")
  ("B84" "Sicilian: Scheveningen, Classical, 7.O-O Qc7 8.f4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Qc7 f4")
  ("B84" "Sicilian: Scheveningen, Classical, 7.O-O Qc7 8.f4 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Qc7 f4 Nc6")
  ("B84" "Sicilian: Scheveningen, Classical, 7.O-O Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Be7")
  ("B84" "Sicilian: Scheveningen, Classical, 7.O-O Be7 8.f4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Be7 f4")
  ("B84" "Sicilian: Scheveningen, Classical, 7.O-O Be7 8.f4 Qc7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Be7 f4 Qc7")
  ("B84" "Sicilian: Scheveningen, Classical, 7.O-O Be7 8.f4 Qc7 9.Be3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Be7 f4 Qc7 Be3")
  ("B84" "Sicilian: Scheveningen, Classical, 7.O-O Be7 8.f4 Qc7 9.Be3 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Be7 f4 Qc7 Be3 Nc6")
  ("B84" "Sicilian: Scheveningen, Classical, 7.O-O Be7 8.f4 Qc7 9.Kh1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Be7 f4 Qc7 Kh1")
  ("B84" "Sicilian: Scheveningen, Classical, 7.O-O Be7 8.f4 O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Be7 f4 O-O")
  ("B85" "Sicilian: Scheveningen, Classical, Main Line" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Be7 f4 O-O Be3")
  ("B85" "Sicilian: Scheveningen, Classical, Main Line, 9...Qc7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Be7 f4 O-O Be3 Qc7")
  ("B85" "Sicilian: Scheveningen, Classical, Main Line, 9...Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Be7 f4 O-O Be3 Nc6")
  ("B85" "Sicilian: Scheveningen, Classical, Main Line, 9...Nc6 10.Qe1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Be7 f4 O-O Be3 Nc6 Qe1")
  ("B85" "Sicilian: Scheveningen, Classical, Main Line, 9...Nc6 10.Qe1 Qc7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Be7 f4 O-O Be3 Nc6 Qe1 Qc7")
  ("B85" "Sicilian: Scheveningen, Classical, Main Line, 9...Nc6 10.Qe1 Qc7 11.Qg3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Be7 f4 O-O Be3 Nc6 Qe1 Qc7 Qg3")
  ("B85" "Sicilian: Scheveningen, Classical, Main Line, 9...Nc6 10.Kh1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Be7 f4 O-O Be3 Nc6 Kh1")
  ("B85" "Sicilian: Scheveningen, Classical, Main Line, 9...Nc6 10.Kh1 Bd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Be7 f4 O-O Be3 Nc6 Kh1 Bd7")
  ("B85" "Sicilian: Scheveningen, Classical, Main Line, 9...Nc6 10.Kh1 Qc7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Be7 f4 O-O Be3 Nc6 Kh1 Qc7")
  ("B85" "Sicilian: Scheveningen, Classical, Main Line, 9...Nc6 10.a4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Be7 f4 O-O Be3 Nc6 a4")
  ("B85" "Sicilian: Scheveningen, Classical, Main Line, 9...Nc6 10.a4 Bd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Be7 f4 O-O Be3 Nc6 a4 Bd7")
  ("B85" "Sicilian: Scheveningen, Classical, Main Line, 9...Nc6 10.a4 Qc7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Be7 f4 O-O Be3 Nc6 a4 Qc7")
  ("B85" "Sicilian: Scheveningen, Classical, Main Line, 9...Nc6 10.a4 Qc7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Be2 a6 O-O Be7 f4 O-O Be3 Nc6 a4 Qc7 Kh1")
  ("B86" "Sicilian: Sozin-Scheveningen" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4")
  ("B86" "Sicilian: Sozin-Scheveningen, 6...Qb6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 Qb6")
  ("B86" "Sicilian: Sozin-Najdorf" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 a6")
  ("B86" "Sicilian: Sozin-Najdorf, 7.Bb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 a6 Bb3")
  ("B86" "Sicilian: Sozin-Najdorf, 7.Bb3 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 a6 Bb3 Be7")
  ("B87" "Sicilian: Sozin-Najdorf, 7.Bb3 b5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 a6 Bb3 b5")
  ("B87" "Sicilian: Sozin-Najdorf, 7.Bb3 b5 8.O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 a6 Bb3 b5 O-O")
  ("B87" "Sicilian: Sozin-Najdorf, 7.Bb3 b5 8.O-O Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 a6 Bb3 b5 O-O Be7")
  ("B87" "Sicilian: Sozin-Najdorf, 7.Bb3 b5 8.O-O Be7 9.Qf3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 a6 Bb3 b5 O-O Be7 Qf3")
  ("B87" "Sicilian: Sozin-Najdorf, 7.Bb3 b5 8.O-O Be7 9.f4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 a6 Bb3 b5 O-O Be7 f4")
  ("B88" "Sicilian: Sozin-Scheveningen" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 Nc6")
  ("B88" "Sicilian: Sozin-Scheveningen, 7.O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 Nc6 O-O")
  ("B88" "Sicilian: Sozin-Scheveningen, 7.Bb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 Nc6 Bb3")
  ("B88" "Sicilian: Sozin-Scheveningen, 7.Bb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 Nc6 Bb3 Be7 Be3")
  ("B88" "Sicilian: Sozin, Fischer Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 Nc6 Bb3 Be7 Be3 O-O f4")
  ("B89" "Sicilian: Sozin, 7.Be3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 Nc6 Be3")
  ("B89" "Sicilian: Sozin, 7.Be3 a6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 Nc6 Be3 a6")
  ("B89" "Sicilian: Velimirovic vs. 7...a6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 Nc6 Be3 a6 Qe2")
  ("B89" "Sicilian: Sozin, 7.Be3 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 Nc6 Be3 Be7")
  ("B89" "Sicilian: Velimirovic" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 Nc6 Be3 Be7 Qe2")
  ("B89" "Sicilian: Velimirovic, 9.O-O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 Nc6 Be3 Be7 Qe2 O-O O-O-O")
  ("B89" "Sicilian: Velimirovic, 9.O-O-O Qc7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 Nc6 Be3 Be7 Qe2 O-O O-O-O Qc7")
  ("B89" "Sicilian: Velimirovic, 9.O-O-O Qc7 10.Bb3 a6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 e6 Bc4 Nc6 Be3 Be7 Qe2 O-O O-O-O Qc7 Bb3 a6")
  ("B90a" "Sicilian: Najdorf" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6")
  ("B90b" "Sicilian: Najdorf, 6.a4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 a4")
  ("B90c" "Sicilian: Najdorf, 6.a4 e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 a4 e5")
  ("B90d" "Sicilian: Najdorf, 6.f3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f3")
  ("B90e" "Sicilian: Najdorf, Adams Attack" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 h3")
  ("B90f" "Sicilian: Najdorf, Fischer-Sozin Attack" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bc4")
  ("B90g" "Sicilian: Najdorf, 6.Be3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be3")
  ("B90h" "Sicilian: Najdorf, 6.Be3 Ng4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be3 Ng4")
  ("B90h" "Sicilian: Najdorf, 6.Be3 Ng4 7.Bg5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be3 Ng4 Bg5")
  ("B90i" "Sicilian: Najdorf, 6.Be3 Ng4 7.Bg5 h6 8.Bh4 g5 9.Bg3 Bg7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be3 Ng4 Bg5 h6 Bh4 g5 Bg3 Bg7")
  ("B90j" "Sicilian: Najdorf, 6.Be3 Ng4 7.Bg5 h6 8.Bh4 g5 9.Bg3 Bg7 10.Be2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be3 Ng4 Bg5 h6 Bh4 g5 Bg3 Bg7 Be2")
  ("B90j" "Sicilian: Najdorf, 6.Be3 Ng4 7.Bg5 h6 8.Bh4 g5 9.Bg3 Bg7 10.Be2 h5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be3 Ng4 Bg5 h6 Bh4 g5 Bg3 Bg7 Be2 h5")
  ("B90k" "Sicilian: Najdorf, 6.Be3 e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be3 e5")
  ("B90l" "Sicilian: Najdorf, 6.Be3 e5 7.Nb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be3 e5 Nb3")
  ("B90m" "Sicilian: Najdorf, 6.Be3 e5 7.Nb3 Be6 8.Qd2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be3 e5 Nb3 Be6 Qd2")
  ("B90n" "Sicilian: Najdorf, 6.Be3 e5 7.Nb3 Be6 8.f3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be3 e5 Nb3 Be6 f3")
  ("B90o" "Sicilian: Najdorf, 6.Be3 e5 7.Nb3 Be6 8.f3 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be3 e5 Nb3 Be6 f3 Be7")
  ("B90o" "Sicilian: Najdorf, 6.Be3 e5 7.Nb3 Be6 8.f3 Be7 9.Qd2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be3 e5 Nb3 Be6 f3 Be7 Qd2")
  ("B90p" "Sicilian: Najdorf, 6.Be3 e5 7.Nb3 Be6 8.f3 Be7 9.Qd2 Nbd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be3 e5 Nb3 Be6 f3 Be7 Qd2 Nbd7")
  ("B90q" "Sicilian: Najdorf, 6.Be3 e5 7.Nb3 Be6 8.f3 Be7 9.Qd2 O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be3 e5 Nb3 Be6 f3 Be7 Qd2 O-O")
  ("B90r" "Sicilian: Najdorf, 6.Be3 e5 7.Nb3 Be6 8.f3 Nbd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be3 e5 Nb3 Be6 f3 Nbd7")
  ("B90s" "Sicilian: Najdorf, 6.Be3 e5 7.Nb3 Be6 8.f3 Be7 9.Qd2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be3 e5 Nb3 Be6 f3 Nbd7 Qd2")
  ("B90t" "Sicilian: Najdorf, 6.Be3 e5 7.Nb3 Be6 8.f3 Be7 9.Qd2 b5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be3 e5 Nb3 Be6 f3 Nbd7 Qd2 b5")
  ("B91a" "Sicilian: Najdorf, 6.g3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 g3")
  ("B91b" "Sicilian: Najdorf, 6.g3 b5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 g3 b5")
  ("B91c" "Sicilian: Najdorf, 6.g3 g6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 g3 g6")
  ("B91d" "Sicilian: Najdorf, 6.g3 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 g3 Nc6")
  ("B91e" "Sicilian: Najdorf, 6.g3 Bg4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 g3 Bg4")
  ("B91f" "Sicilian: Najdorf, 6.g3 e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 g3 e5")
  ("B91g" "Sicilian: Najdorf, 6.g3 e5 7.Nb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 g3 e5 Nb3")
  ("B91h" "Sicilian: Najdorf, 6.g3 e5 7.Nb3 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 g3 e5 Nb3 Be7")
  ("B91i" "Sicilian: Najdorf, 6.g3 e5 7.Nde2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 g3 e5 Nde2")
  ("B91j" "Sicilian: Najdorf, 6.g3 e5 7.Nde2 b5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 g3 e5 Nde2 b5")
  ("B91k" "Sicilian: Najdorf, 6.g3 e5 7.Nde2 Nbd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 g3 e5 Nde2 Nbd7")
  ("B91l" "Sicilian: Najdorf, 6.g3 e5 7.Nde2 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 g3 e5 Nde2 Be7")
  ("B91m" "Sicilian: Najdorf, 6.g3 e5 7.Nde2 Be7 8.Bg2 Nbd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 g3 e5 Nde2 Be7 Bg2 Nbd7")
  ("B91n" "Sicilian: Najdorf, 6.g3 e5 7.Nde2 Be7 8.Bg2 O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 g3 e5 Nde2 Be7 Bg2 O-O")
  ("B92a" "Sicilian: Najdorf, 6.Be2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2")
  ("B92b" "Sicilian: Najdorf, 6.Be2 Nbd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 Nbd7")
  ("B92c" "Sicilian: Najdorf, 6.Be2 e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 e5")
  ("B92d" "Sicilian: Najdorf, 6.Be2 e5 7.Nf3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 e5 Nf3")
  ("B92e" "Sicilian: Najdorf, 6.Be2 e5 7.Nb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 e5 Nb3")
  ("B92f" "Sicilian: Najdorf, 6.Be2 e5 7.Nb3 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 e5 Nb3 Be7")
  ("B92g" "Sicilian: Najdorf, 6.Be2 e5 7.Nb3 Be7 8.Be3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 e5 Nb3 Be7 Be3")
  ("B92g" "Sicilian: Najdorf, 6.Be2 e5 7.Nb3 Be7 8.Be3 Be6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 e5 Nb3 Be7 Be3 Be6")
  ("B92h" "Sicilian: Najdorf, 6.Be2 e5 7.Nb3 Be7 8.O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 e5 Nb3 Be7 O-O")
  ("B92h" "Sicilian: Najdorf, 6.Be2 e5 7.Nb3 Be7 8.O-O Be6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 e5 Nb3 Be7 O-O Be6")
  ("B92i" "Sicilian: Najdorf, 6.Be2 e5 7.Nb3 Be7 8.O-O Be6 9.f4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 e5 Nb3 Be7 O-O Be6 f4")
  ("B92j" "Sicilian: Najdorf, 6.Be2 e5 7.Nb3 Be7 8.O-O O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 e5 Nb3 Be7 O-O O-O")
  ("B92k" "Sicilian: Najdorf, 6.Be2 e5 7.Nb3 Be7 8.O-O O-O 9.Be3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 e5 Nb3 Be7 O-O O-O Be3")
  ("B92k" "Sicilian: Najdorf, 6.Be2 e5 7.Nb3 Be7 8.O-O O-O 9.Be3 Be6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 e5 Nb3 Be7 O-O O-O Be3 Be6")
  ("B92l" "Sicilian: Najdorf, 6.Be2 e5 7.Nb3 Be7 8.O-O O-O 9.Be3 Be6 10.a4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 e5 Nb3 Be7 O-O O-O Be3 Be6 a4")
  ("B92m" "Sicilian: Najdorf, 6.Be2 e5 7.Nb3 Be7 8.O-O O-O 9.Be3 Be6 10.Nd5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 e5 Nb3 Be7 O-O O-O Be3 Be6 Nd5")
  ("B92n" "Sicilian: Najdorf, 6.Be2 e5 7.Nb3 Be7 8.O-O O-O 9.Be3 Be6 10.Qd2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 e5 Nb3 Be7 O-O O-O Be3 Be6 Qd2")
  ("B92o" "Sicilian: Najdorf, 6.Be2 e5 7.Nb3 Be7 8.O-O O-O 9.Kh1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 e5 Nb3 Be7 O-O O-O Kh1")
  ("B92p" "Sicilian: Najdorf, 6.Be2 e5 7.Nb3 Be7 8.O-O O-O 9.Kh1 Be6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 e5 Nb3 Be7 O-O O-O Kh1 Be6")
  ("B92q" "Sicilian: Najdorf, 6.Be2 e5 7.Nb3 Be7 8.O-O O-O 9.Kh1 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 e5 Nb3 Be7 O-O O-O Kh1 Nc6")
  ("B92r" "Sicilian: Najdorf, 6.Be2 e5 7.Nb3 Be7 8.O-O O-O 9.Kh1 Qc7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Be2 e5 Nb3 Be7 O-O O-O Kh1 Qc7")
  ("B93a" "Sicilian: Najdorf, 6.f4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4")
  ("B93b" "Sicilian: Najdorf, 6.f4 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4 Nc6")
  ("B93c" "Sicilian: Najdorf, 6.f4 Nbd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4 Nbd7")
  ("B93d" "Sicilian: Najdorf, 6.f4 Nbd7 7.Be2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4 Nbd7 Be2")
  ("B93e" "Sicilian: Najdorf, 6.f4 Qc7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4 Qc7")
  ("B93f" "Sicilian: Najdorf, 6.f4 Qc7 7.Bd3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4 Qc7 Bd3")
  ("B93g" "Sicilian: Najdorf, 6.f4 Qc7 7.Bd3 g6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4 Qc7 Bd3 g6")
  ("B93h" "Sicilian: Najdorf, 6.f4 Qc7 7.Nf3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4 Qc7 Nf3")
  ("B93i" "Sicilian: Najdorf, 6.f4 Qc7 7.Nf3 Nbd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4 Qc7 Nf3 Nbd7")
  ("B93j" "Sicilian: Najdorf, 6.f4 Qc7 7.Nf3 Nbd7 8.Bd3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4 Qc7 Nf3 Nbd7 Bd3")
  ("B93k" "Sicilian: Najdorf, 6.f4 e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4 e5")
  ("B93k" "Sicilian: Najdorf, 6.f4 e5 7.Nf3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4 e5 Nf3")
  ("B93l" "Sicilian: Najdorf, 6.f4 e5 7.Nf3 Qc7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4 e5 Nf3 Qc7")
  ("B93m" "Sicilian: Najdorf, 6.f4 e5 7.Nf3 Qc7 8.a4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4 e5 Nf3 Qc7 a4")
  ("B93n" "Sicilian: Najdorf, 6.f4 e5 7.Nf3 Nbd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4 e5 Nf3 Nbd7")
  ("B93o" "Sicilian: Najdorf, 6.f4 e5 7.Nf3 Nbd7 8.Bd3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4 e5 Nf3 Nbd7 Bd3")
  ("B93p" "Sicilian: Najdorf, 6.f4 e5 7.Nf3 Nbd7 8.a4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4 e5 Nf3 Nbd7 a4")
  ("B93q" "Sicilian: Najdorf, 6.f4 e5 7.Nf3 Nbd7 8.a4 Qc7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4 e5 Nf3 Nbd7 a4 Qc7")
  ("B93r" "Sicilian: Najdorf, 6.f4 e5 7.Nf3 Nbd7 8.a4 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4 e5 Nf3 Nbd7 a4 Be7")
  ("B93r" "Sicilian: Najdorf, 6.f4 e5 7.Nf3 Nbd7 8.a4 Be7 9.Bc4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4 e5 Nf3 Nbd7 a4 Be7 Bc4")
  ("B93s" "Sicilian: Najdorf, 6.f4 e5 7.Nf3 Nbd7 8.a4 Be7 9.Bd3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4 e5 Nf3 Nbd7 a4 Be7 Bd3")
  ("B93t" "Sicilian: Najdorf, 6.f4 e5 7.Nf3 Nbd7 8.a4 Be7 9.Bd3 O-O 10.O-O Nc5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4 e5 Nf3 Nbd7 a4 Be7 Bd3 O-O O-O Nc5")
  ("B93u" "Sicilian: Najdorf, 6.f4 e5 7.Nf3 Nbd7 8.a4 Be7 9.Bd3 O-O 10.O-O exf4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 f4 e5 Nf3 Nbd7 a4 Be7 Bd3 O-O O-O exf4")
  ("B94a" "Sicilian: Najdorf, 6.Bg5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5")
  ("B94b" "Sicilian: Najdorf, 6.Bg5 b5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 b5")
  ("B94c" "Sicilian: Najdorf, 6.Bg5 e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e5")
  ("B94d" "Sicilian: Najdorf, 6.Bg5 Nbd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 Nbd7")
  ("B94e" "Sicilian: Najdorf, 6.Bg5 Nbd7 7.f4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 Nbd7 f4")
  ("B94f" "Sicilian: Najdorf, 6.Bg5 Nbd7 7.Bc4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 Nbd7 Bc4")
  ("B94g" "Sicilian: Najdorf, 6.Bg5 Nbd7 7.Bc4 e6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 Nbd7 Bc4 e6")
  ("B94h" "Sicilian: Najdorf, 6.Bg5 Nbd7 7.Bc4 e6 8.O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 Nbd7 Bc4 e6 O-O")
  ("B94i" "Sicilian: Najdorf, 6.Bg5 Nbd7 7.Bc4 Qa5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 Nbd7 Bc4 Qa5")
  ("B94j" "Sicilian: Najdorf, 6.Bg5 Nbd7 7.Bc4 Qa5 8.Qd2 e6 9.O-O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 Nbd7 Bc4 Qa5 Qd2 e6 O-O-O")
  ("B95a" "Sicilian: Najdorf, 6...e6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6")
  ("B95b" "Sicilian: Najdorf, 6...e6 7.Bd3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 Bd3")
  ("B95c" "Sicilian: Najdorf, 6...e6 7.Be2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 Be2")
  ("B95d" "Sicilian: Najdorf, 6...e6 7.Qe2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 Qe2")
  ("B95e" "Sicilian: Najdorf, 6...e6 7.Qd2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 Qd2")
  ("B95f" "Sicilian: Najdorf, 6...e6 7.Qd2 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 Qd2 Be7")
  ("B95g" "Sicilian: Najdorf, 6...e6 7.Qd2 Be7 8.O-O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 Qd2 Be7 O-O-O")
  ("B95h" "Sicilian: Najdorf, 6...e6 7.Qd3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 Qd3")
  ("B95i" "Sicilian: Najdorf, 6...e6 7.Qd3 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 Qd3 Nc6")
  ("B95j" "Sicilian: Najdorf, 6...e6 7.Qf3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 Qf3")
  ("B95k" "Sicilian: Najdorf, 6...e6 7.Qf3 Nbd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 Qf3 Nbd7")
  ("B95l" "Sicilian: Najdorf, 6...e6 7.Qf3 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 Qf3 Be7")
  ("B95m" "Sicilian: Najdorf, 6...e6 7.Qf3 Be7 8.O-O-O Nbd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 Qf3 Be7 O-O-O Nbd7")
  ("B95n" "Sicilian: Najdorf, 6...e6 7.Qf3 h6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 Qf3 h6")
  ("B96a" "Sicilian: Najdorf, 7.f4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4")
  ("B96b" "Sicilian: Najdorf, 7.f4 h6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 h6")
  ("B96b" "Sicilian: Najdorf, Delayed Poisoned Pawn" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 h6 Bh4 Qb6")
  ("B96c" "Sicilian: Najdorf, 7.f4 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Nc6")
  ("B96c" "Sicilian: Najdorf, 7.f4 Nc6 8.e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Nc6 e5")
  ("B96d" "Sicilian: Najdorf, 7.f4 Nc6 8.Nxc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Nc6 Nxc6")
  ("B96e" "Sicilian: Najdorf, 7.f4 Bd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Bd7")
  ("B96f" "Sicilian: Najdorf, 7.f4 Qc7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qc7")
  ("B96f" "Sicilian: Najdorf, 7.f4 Qc7 8.Bxf6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qc7 Bxf6")
  ("B96g" "Sicilian: Najdorf, 7.f4 Qc7 8.Qf3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qc7 Qf3")
  ("B96h" "Sicilian: Najdorf, 7.f4 Qc7 8.Qf3 b5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qc7 Qf3 b5")
  ("B96h" "Sicilian: Najdorf, 7.f4 Qc7 8.Qf3 b5 9.f5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qc7 Qf3 b5 f5")
  ("B96h" "Sicilian: Najdorf, 7.f4 Qc7 8.Qf3 b5 9.O-O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qc7 Qf3 b5 O-O-O")
  ("B96h" "Sicilian: Najdorf, 7.f4 Qc7 8.Qf3 b5 9.Bxf6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qc7 Qf3 b5 Bxf6")
  ("B96i" "Sicilian: Najdorf, 7.f4 Nbd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Nbd7")
  ("B96i" "Sicilian: Najdorf, 7.f4 Nbd7 8.Bc4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Nbd7 Bc4")
  ("B96i" "Sicilian: Najdorf, 7.f4 Nbd7 8.Qe2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Nbd7 Qe2")
  ("B96i" "Sicilian: Najdorf, 7.f4 Nbd7 8.Qe2 Qc7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Nbd7 Qe2 Qc7")
  ("B96j" "Sicilian: Najdorf, 7.f4 Nbd7 8.Qf3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Nbd7 Qf3")
  ("B96j" "Sicilian: Najdorf, 7.f4 Nbd7 8.Qf3 Qc7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Nbd7 Qf3 Qc7")
  ("B96k" "Sicilian: Najdorf, 7.f4 Nbd7 8.Qf3 Qc7 9.O-O-O b5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Nbd7 Qf3 Qc7 O-O-O b5")
  ("B96l" "Sicilian: Najdorf, 7.f4 Nbd7 8.Qf3 Qc7 9.O-O-O b5 10.Bd3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Nbd7 Qf3 Qc7 O-O-O b5 Bd3")
  ("B96m" "Sicilian: Najdorf, 7.f4 Nbd7 8.Qf3 Qc7 9.O-O-O b5 10.e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Nbd7 Qf3 Qc7 O-O-O b5 e5")
  ("B96n" "Sicilian: Najdorf, Polugaevsky Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 b5")
  ("B96n" "Sicilian: Najdorf, Polugaevsky, 8.e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 b5 e5")
  ("B96n" "Sicilian: Najdorf, Polugaevsky, 9.fxe5 Qc7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 b5 e5 dxe5 fxe5 Qc7")
  ("B96o" "Sicilian: Najdorf, Polugaevsky, 10.Nf3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 b5 e5 dxe5 fxe5 Qc7 Nf3")
  ("B96p" "Sicilian: Najdorf, Polugaevsky, 10.Bxb5+" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 b5 e5 dxe5 fxe5 Qc7 Bxb5+")
  ("B96q" "Sicilian: Najdorf, Polugaevsky, 10.exf6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 b5 e5 dxe5 fxe5 Qc7 exf6")
  ("B96r" "Sicilian: Najdorf, Polugaevsky, 10.exf6 Qe5+ 11.Be2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 b5 e5 dxe5 fxe5 Qc7 exf6 Qe5+ Be2")
  ("B96s" "Sicilian: Najdorf, Polugaevsky, 10.exf6 Qe5+ 11.Be2 Qxg5 12.Qd3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 b5 e5 dxe5 fxe5 Qc7 exf6 Qe5+ Be2 Qxg5 Qd3")
  ("B96t" "Sicilian: Najdorf, Polugaevsky, 10.Qe2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 b5 e5 dxe5 fxe5 Qc7 Qe2")
  ("B96u" "Sicilian: Najdorf, Polugaevsky, 10.Qe2 Nfd7 11.O-O-O Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 b5 e5 dxe5 fxe5 Qc7 Qe2 Nfd7 O-O-O Nc6")
  ("B96v" "Sicilian: Najdorf, Polugaevsky, 10.Qe2 Nfd7 11.O-O-O Bb7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 b5 e5 dxe5 fxe5 Qc7 Qe2 Nfd7 O-O-O Bb7")
  ("B96w" "Sicilian: Najdorf, Polugaevsky, 10.Qe2 Nfd7 11.O-O-O Bb7 12.Qg4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 b5 e5 dxe5 fxe5 Qc7 Qe2 Nfd7 O-O-O Bb7 Qg4")
  ("B96w" "Sicilian: Najdorf, Polugaevsky, 10.Qe2 Nfd7 11.O-O-O Bb7 12.Qg4 Qxe5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 b5 e5 dxe5 fxe5 Qc7 Qe2 Nfd7 O-O-O Bb7 Qg4 Qxe5")
  ("B97a" "Sicilian: Najdorf, Poisoned Pawn" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6")
  ("B97b" "Sicilian: Najdorf, Poisoned Pawn, 8.Bxf6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Bxf6")
  ("B97c" "Sicilian: Najdorf, Poisoned Pawn, 8.a3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 a3")
  ("B97d" "Sicilian: Najdorf, Poisoned Pawn, 8.Qd3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd3")
  ("B97e" "Sicilian: Najdorf, Poisoned Pawn, 8.Nb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Nb3")
  ("B97f" "Sicilian: Najdorf, Poisoned Pawn, 8.Nb3 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Nb3 Be7")
  ("B97g" "Sicilian: Najdorf, Poisoned Pawn, 8.Nb3 Nbd7 9.Qf3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Nb3 Nbd7 Qf3")
  ("B97h" "Sicilian: Najdorf, Poisoned Pawn, 8.Nb3 Nbd7 9.Qf3 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Nb3 Nbd7 Qf3 Be7")
  ("B97i" "Sicilian: Najdorf, Poisoned Pawn, 8.Qd2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2")
  ("B97i" "Sicilian: Najdorf, Poisoned Pawn Accepted" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2")
  ("B97j" "Sicilian: Najdorf, Poisoned Pawn, 9.Nb3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Nb3")
  ("B97j" "Sicilian: Najdorf, Poisoned Pawn, 9.Nb3 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Nb3 Nc6")
  ("B97k" "Sicilian: Najdorf, Poisoned Pawn, 9.Nb3 Qa3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Nb3 Qa3")
  ("B97l" "Sicilian: Najdorf, Poisoned Pawn, 9.Nb3 Qa3 10.Bxf6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Nb3 Qa3 Bxf6")
  ("B97m" "Sicilian: Najdorf, Poisoned Pawn, 9.Rb1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1")
  ("B97m" "Sicilian: Najdorf, Poisoned Pawn, 9.Rb1 Qa3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3")
  ("B97n" "Sicilian: Najdorf, Poisoned Pawn, 10.Be2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3 Be2")
  ("B97n" "Sicilian: Najdorf, Poisoned Pawn, 10.Be2 Be7 11.O-O" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3 Be2 Be7 O-O")
  ("B97n" "Sicilian: Najdorf, Poisoned Pawn, 10.Be2 Be7 11.O-O Nbd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3 Be2 Be7 O-O Nbd7")
  ("B97o" "Sicilian: Najdorf, Poisoned Pawn, 10.Bxf6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3 Bxf6")
  ("B97o" "Sicilian: Najdorf, Poisoned Pawn, 10.Bxf6 gxf6 11.Be2 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3 Bxf6 gxf6 Be2 Nc6")
  ("B97o" "Sicilian: Najdorf, Poisoned Pawn, 10.Bxf6 gxf6 11.Be2 Bg7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3 Bxf6 gxf6 Be2 Bg7")
  ("B97p" "Sicilian: Najdorf, Poisoned Pawn, 10.e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3 e5")
  ("B97p" "Sicilian: Najdorf, Poisoned Pawn, 10.e5 dxe5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3 e5 dxe5")
  ("B97p" "Sicilian: Najdorf, Poisoned Pawn, 10.e5 dxe5 11.fxe5 Nfd7 12.Bc4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3 e5 dxe5 fxe5 Nfd7 Bc4")
  ("B97p" "Sicilian: Najdorf, Poisoned Pawn, 10.e5 dxe5 11.fxe5 Nfd7 12.Bc4 Bb4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3 e5 dxe5 fxe5 Nfd7 Bc4 Bb4")
  ("B97q" "Sicilian: Najdorf, Poisoned Pawn, 10.f5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3 f5")
  ("B97q" "Sicilian: Najdorf, Poisoned Pawn, 10.f5 Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3 f5 Nc6")
  ("B97r" "Sicilian: Najdorf, Poisoned Pawn, Main Line" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3 f5 Nc6 fxe6 fxe6 Nxc6 bxc6")
  ("B97s" "Sicilian: Najdorf, Poisoned Pawn, Main Line, Timman's 13.Be2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3 f5 Nc6 fxe6 fxe6 Nxc6 bxc6 Be2")
  ("B97t" "Sicilian: Najdorf, Poisoned Pawn, Main Line, 13.e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3 f5 Nc6 fxe6 fxe6 Nxc6 bxc6 e5")
  ("B97t" "Sicilian: Najdorf, Poisoned Pawn, Main Line, 13.e5 Nd5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3 f5 Nc6 fxe6 fxe6 Nxc6 bxc6 e5 Nd5")
  ("B97u" "Sicilian: Najdorf, Poisoned Pawn, Main Line, 13.e5 dxe5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3 f5 Nc6 fxe6 fxe6 Nxc6 bxc6 e5 dxe5")
  ("B97u" "Sicilian: Najdorf, Poisoned Pawn, Main Line, 13.e5 dxe5: 15.Ne4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3 f5 Nc6 fxe6 fxe6 Nxc6 bxc6 e5 dxe5 Bxf6 gxf6 Ne4")
  ("B97v" "Sicilian: Najdorf, Poisoned Pawn, Main Line, 13.e5 dxe5: 15.Ne4 Qxa2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3 f5 Nc6 fxe6 fxe6 Nxc6 bxc6 e5 dxe5 Bxf6 gxf6 Ne4 Qxa2")
  ("B97w" "Sicilian: Najdorf, Poisoned Pawn, Main Line, 13.e5 dxe5: 15.Ne4 Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3 f5 Nc6 fxe6 fxe6 Nxc6 bxc6 e5 dxe5 Bxf6 gxf6 Ne4 Be7")
  ("B97x" "Sicilian: Najdorf, Poisoned Pawn, Main Line, 13.e5 dxe5 with 18.c4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3 f5 Nc6 fxe6 fxe6 Nxc6 bxc6 e5 dxe5 Bxf6 gxf6 Ne4 Be7 Be2 h5 Rb3 Qa4 c4")
  ("B97y" "Sicilian: Najdorf, Poisoned Pawn, Main Line, 13.e5 dxe5 with 18.Nxf6+" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Qb6 Qd2 Qxb2 Rb1 Qa3 f5 Nc6 fxe6 fxe6 Nxc6 bxc6 e5 dxe5 Bxf6 gxf6 Ne4 Be7 Be2 h5 Rb3 Qa4 Nxf6+")
  ("B98a" "Sicilian: Najdorf, 7...Be7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7")
  ("B98b" "Sicilian: Najdorf, 7...Be7 8.Qf3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3")
  ("B98c" "Sicilian: Najdorf, Danner Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qa5")
  ("B98d" "Sicilian: Najdorf, Danner, 9.O-O-O Bd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qa5 O-O-O Bd7")
  ("B98e" "Sicilian: Najdorf, Danner, 9.O-O-O Bd7 10.e5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qa5 O-O-O Bd7 e5")
  ("B98f" "Sicilian: Najdorf, 7...Be7 8.Qf3 h6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 h6")
  ("B98g" "Sicilian: Najdorf, Browne Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 h6 Bh4 Qc7")
  ("B98h" "Sicilian: Najdorf, Browne, 10.O-O-O Nbd7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 h6 Bh4 Qc7 O-O-O Nbd7")
  ("B98i" "Sicilian: Najdorf, Browne, 10.O-O-O Nbd7 11.Qg3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 h6 Bh4 Qc7 O-O-O Nbd7 Qg3")
  ("B98j" "Sicilian: Najdorf, Browne, 10.O-O-O Nbd7 11.Be2" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 h6 Bh4 Qc7 O-O-O Nbd7 Be2")
  ("B98k" "Sicilian: Najdorf, Gothenburg (Argentine) Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 h6 Bh4 g5")
  ("B98l" "Sicilian: Najdorf, Gothenburg, 11.Nxe6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 h6 Bh4 g5 fxg5 Nfd7 Nxe6")
  ("B98m" "Sicilian: Najdorf, Gothenburg, 11.Qh5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 h6 Bh4 g5 fxg5 Nfd7 Qh5")
  ("B98n" "Sicilian: Najdorf, 8...Qc7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7")
  ("B98o" "Sicilian: Najdorf, 8...Qc7 9.O-O-O Nc6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nc6")
  ("B99a" "Sicilian: Najdorf, Main Line" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7")
  ("B99b" "Sicilian: Najdorf, Main Line, 10.Qg3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 Qg3")
  ("B99c" "Sicilian: Najdorf, Main Line, Keres Variation" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 Be2")
  ("B99c" "Sicilian: Najdorf, Main Line, Keres 10...b5 11.Bxf6 Nxf6 12.e5 Bb7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 Be2 b5 Bxf6 Nxf6 e5 Bb7")
  ("B99d" "Sicilian: Najdorf, Main Line, Keres, Queen Sacrifice Line" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 Be2 b5 Bxf6 Nxf6 e5 Bb7 exf6")
  ("B99e" "Sicilian: Najdorf, Main Line, Keres, 13.Qg3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 Be2 b5 Bxf6 Nxf6 e5 Bb7 Qg3")
  ("B99e" "Sicilian: Najdorf, Main Line, Keres, 13.Qg3 dxe5 14.fxe5 Nd7 15.Bxb5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 Be2 b5 Bxf6 Nxf6 e5 Bb7 Qg3 dxe5 fxe5 Nd7 Bxb5")
  ("B99f" "Sicilian: Najdorf, Main Line, 10.Bd3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 Bd3")
  ("B99f" "Sicilian: Najdorf, Main Line, 10.Bd3 h6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 Bd3 h6")
  ("B99g" "Sicilian: Najdorf, Main Line, 10.Bd3 h6 11.Qh3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 Bd3 h6 Qh3")
  ("B99h" "Sicilian: Najdorf, Main Line, 10.Bd3 h6 11.Bh4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 Bd3 h6 Bh4")
  ("B99h" "Sicilian: Najdorf, Main Line, 10.Bd3 h6 11.Bh4 g5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 Bd3 h6 Bh4 g5")
  ("B99i" "Sicilian: Najdorf, Main Line, 10.Bd3 h6 11.Bh4 g5 12.fxg5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 Bd3 h6 Bh4 g5 fxg5")
  ("B99j" "Sicilian: Najdorf, Main Line, 10.Bd3 b5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 Bd3 b5")
  ("B99j" "Sicilian: Najdorf, Main Line, 10.Bd3 b5 11.Rhe1 Bb7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 Bd3 b5 Rhe1 Bb7")
  ("B99k" "Sicilian: Najdorf, Main Line, 10.Bd3 b5 11.Rhe1 Bb7 12.Nd5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 Bd3 b5 Rhe1 Bb7 Nd5")
  ("B99l" "Sicilian: Najdorf, Main Line, 10.Bd3 b5 11.Rhe1 Bb7 12.Qg3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 Bd3 b5 Rhe1 Bb7 Qg3")
  ("B99m" "Sicilian: Najdorf, Main Line, 10.g4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 g4")
  ("B99m" "Sicilian: Najdorf, Main Line, 10.g4 h6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 g4 h6")
  ("B99n" "Sicilian: Najdorf, Main Line, 10.g4 b5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 g4 b5")
  ("B99n" "Sicilian: Najdorf, Main Line, 10.g4 b5 11.Bd3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 g4 b5 Bd3")
  ("B99n" "Sicilian: Najdorf, Main Line, 10.g4 b5 11.Bd3 Bb7" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 g4 b5 Bd3 Bb7")
  ("B99o" "Sicilian: Najdorf, Main Line, 10.g4 b5 11.a3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 g4 b5 a3")
  ("B99p" "Sicilian: Najdorf, Main Line, 10.g4 b5 11.Bxf6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 g4 b5 Bxf6")
  ("B99q" "Sicilian: Najdorf, Main Line, 10.g4 b5 11.Bxf6 gxf6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 g4 b5 Bxf6 gxf6")
  ("B99r" "Sicilian: Najdorf, Main Line, 10.g4 b5 11.Bxf6 Nxf6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 g4 b5 Bxf6 Nxf6")
  ("B99r" "Sicilian: Najdorf, Main Line, 10.g4 b5 11.Bxf6 Nxf6 12.g5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 g4 b5 Bxf6 Nxf6 g5")
  ("B99r" "Sicilian: Najdorf, Main Line, 10.g4 b5 11.Bxf6 Nxf6 12.g5 Nd7 13.a3" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 g4 b5 Bxf6 Nxf6 g5 Nd7 a3")
  ("B99s" "Sicilian: Najdorf, Modern Main Line 13.f5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 g4 b5 Bxf6 Nxf6 g5 Nd7 f5")
  ("B99t" "Sicilian: Najdorf, Modern Main Line 13.f5 Bxg5+" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 g4 b5 Bxf6 Nxf6 g5 Nd7 f5 Bxg5+")
  ("B99u" "Sicilian: Najdorf, Modern Main Line 13.f5 Bxg5+ 14.Kb1 Ne5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 g4 b5 Bxf6 Nxf6 g5 Nd7 f5 Bxg5+ Kb1 Ne5")
  ("B99v" "Sicilian: Najdorf, Modern Main Line 13.f5 Nc5" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 g4 b5 Bxf6 Nxf6 g5 Nd7 f5 Nc5")
  ("B99w" "Sicilian: Najdorf, Modern Main Line 13.f5 Nc5 14.h4" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 g4 b5 Bxf6 Nxf6 g5 Nd7 f5 Nc5 h4")
  ("B99x" "Sicilian: Najdorf, Modern Main Line 13.f5 Nc5 14.f6" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 g4 b5 Bxf6 Nxf6 g5 Nd7 f5 Nc5 f6")
  ("B99y" "Sicilian: Najdorf, Modern Main Line 13.f5 Nc5 14.f6: Perenyi's 16.Rg1" "e4 c5 Nf3 d6 d4 cxd4 Nxd4 Nf6 Nc3 a6 Bg5 e6 f4 Be7 Qf3 Qc7 O-O-O Nbd7 g4 b5 Bxf6 Nxf6 g5 Nd7 f5 Nc5 f6 gxf6 gxf6 Bf8 Rg1")
  ("C00a" "French" "e4 e6")
  ("C00a" "French: Bird Variation" "e4 e6 Bb5")
  ("C00b" "French: Reti (Spielmann) Variation" "e4 e6 b3")
  ("C00c" "French: La Bourdonnais Variation" "e4 e6 f4")
  ("C00d" "French: Steinitz Attack" "e4 e6 e5")
  ("C00e" "French: Steiner (Anglo-French) Variation" "e4 e6 c4")
  ("C00e" "French: Steiner (Anglo-French) Variation" "e4 e6 c4 d5")
  ("C00e" "French: Orthoschnapp Gambit" "e4 e6 c4 d5 cxd5 exd5 Qb3")
  ("C00f" "French: 2.Nc3" "e4 e6 Nc3")
  ("C00f" "French: 2.Nc3 d5" "e4 e6 Nc3 d5")
  ("C00f" "French: Pelikan Variation" "e4 e6 Nc3 d5 f4")
  ("C00g" "French: Chigorin Variation" "e4 e6 Qe2")
  ("C00h" "French: Chigorin, 2...c5" "e4 e6 Qe2 c5")
  ("C00i" "French: Chigorin, 2...c5 3.Nf3" "e4 e6 Qe2 c5 Nf3")
  ("C00j" "French: 2.Nf3" "e4 e6 Nf3")
  ("C00j" "French: 2.Nf3 d5" "e4 e6 Nf3 d5")
  ("C00j" "French: 2.Nf3 d5 3.e5" "e4 e6 Nf3 d5 e5")
  ("C00j" "French: 2.Nf3 d5 3.e5 c5" "e4 e6 Nf3 d5 e5 c5")
  ("C00k" "French: Wing Gambit" "e4 e6 Nf3 d5 e5 c5 b4")
  ("C00l" "French: Two Knights Variation" "e4 e6 Nf3 d5 Nc3")
  ("C00m" "French: KIA 2.d3" "e4 e6 d3")
  ("C00m" "French: KIA 2.d3 d5" "e4 e6 d3 d5")
  ("C00n" "French: KIA 2.d3 d5 3.Qe2" "e4 e6 d3 d5 Qe2")
  ("C00o" "French: KIA 2.d3 d5 3.Qe2 Nf6" "e4 e6 d3 d5 Qe2 Nf6")
  ("C00p" "French: KIA 2.d3 d5 3.Nd2" "e4 e6 d3 d5 Nd2")
  ("C00q" "French: KIA 2.d3 d5 3.Nd2 c5" "e4 e6 d3 d5 Nd2 c5")
  ("C00r" "French: KIA 2.d3 d5 3.Nd2 Nf6" "e4 e6 d3 d5 Nd2 Nf6")
  ("C00s" "French: KIA, Reversed Philidor" "e4 e6 d3 d5 Nd2 Nf6 Ngf3")
  ("C00t" "French: KIA, Reversed Philidor, 4...b6" "e4 e6 d3 d5 Nd2 Nf6 Ngf3 b6")
  ("C00u" "French: KIA, Reversed Philidor, 4...Nc6" "e4 e6 d3 d5 Nd2 Nf6 Ngf3 Nc6")
  ("C00v" "French: KIA, Reversed Philidor, 4...Nc6 5.c3" "e4 e6 d3 d5 Nd2 Nf6 Ngf3 Nc6 c3")
  ("C00w" "French: 2.d4" "e4 e6 d4")
  ("C00w" "French: St. George" "e4 e6 d4 a6")
  ("C00w" "French: Franco-Benoni" "e4 e6 d4 c5")
  ("C00x" "French: 2.d4 d5" "e4 e6 d4 d5")
  ("C00x" "French: Alapin-Diemer Gambit (ADG)" "e4 e6 d4 d5 Be3")
  ("C00y" "French: Schlechter" "e4 e6 d4 d5 Bd3")
  ("C01a" "French: Exchange" "e4 e6 d4 d5 exd5")
  ("C01a" "French: Exchange, 3...Qxd5" "e4 e6 d4 d5 exd5 Qxd5")
  ("C01b" "French: Exchange" "e4 e6 d4 d5 exd5 exd5")
  ("C01c" "French: Exchange, 4.c4" "e4 e6 d4 d5 exd5 exd5 c4")
  ("C01c" "French: Exchange, 4.c4 c6" "e4 e6 d4 d5 exd5 exd5 c4 c6")
  ("C01d" "French: Exchange, 4.c4 Nf6" "e4 e6 d4 d5 exd5 exd5 c4 Nf6")
  ("C01d" "French: Exchange, 4.c4 Nf6" "e4 e6 d4 d5 exd5 exd5 c4 Nf6 Nf3")
  ("C01e" "French: Exchange, 4.c4 Nf6 5.Nc3" "e4 e6 d4 d5 exd5 exd5 c4 Nf6 Nc3")
  ("C01e" "French: Exchange, 4.c4 Nf6 5.Nc3 c6" "e4 e6 d4 d5 exd5 exd5 c4 Nf6 Nc3 c6")
  ("C01e" "French: Exchange, 4.c4 Nf6 5.Nc3 Bb4" "e4 e6 d4 d5 exd5 exd5 c4 Nf6 Nc3 Bb4")
  ("C01e" "French: Exchange, 4.c4 Nf6 5.Nc3 Bb4" "e4 e6 d4 d5 exd5 exd5 c4 Nf6 Nc3 Bb4 Nf3")
  ("C01f" "French: Exchange, 4.c4 Nf6 5.Nc3 Be7" "e4 e6 d4 d5 exd5 exd5 c4 Nf6 Nc3 Be7")
  ("C01f" "French: Exchange, 4.c4 Nf6 5.Nc3 Be7" "e4 e6 d4 d5 exd5 exd5 c4 Nf6 Nc3 Be7 Nf3")
  ("C01g" "French: Exchange, 4.Bf4" "e4 e6 d4 d5 exd5 exd5 Bf4")
  ("C01h" "French: Exchange, 4.Bd3" "e4 e6 d4 d5 exd5 exd5 Bd3")
  ("C01i" "French: Exchange, 4.Bd3 Nc6" "e4 e6 d4 d5 exd5 exd5 Bd3 Nc6")
  ("C01j" "French: Exchange, 4.Bd3 Bd6" "e4 e6 d4 d5 exd5 exd5 Bd3 Bd6")
  ("C01k" "French: Exchange, 4.Nf3" "e4 e6 d4 d5 exd5 exd5 Nf3")
  ("C01l" "French: Exchange, 4.Nf3 Nf6" "e4 e6 d4 d5 exd5 exd5 Nf3 Nf6")
  ("C01m" "French: Exchange, 4.Nf3 Nf6 5.Bd3" "e4 e6 d4 d5 exd5 exd5 Nf3 Nf6 Bd3")
  ("C01n" "French: Exchange, 4.Nf3 Bd6" "e4 e6 d4 d5 exd5 exd5 Nf3 Bd6")
  ("C01o" "French: Exchange, 4.Nf3 Bd6 5.Bd3" "e4 e6 d4 d5 exd5 exd5 Bd3 Bd6 Nf3")
  ("C01p" "French: Exchange, 4.Nf3 Bd6 5.Bd3 Nf6" "e4 e6 d4 d5 exd5 exd5 Bd3 Bd6 Nf3 Nf6")
  ("C01q" "French: Exchange, 4.Nf3 Bd6 5.c4" "e4 e6 d4 d5 exd5 exd5 Nf3 Bd6 c4")
  ("C01r" "French: Exchange, 4.Nc3" "e4 e6 d4 d5 exd5 exd5 Nc3")
  ("C01s" "French: Exchange, 4.Nc3 Nf6" "e4 e6 d4 d5 exd5 exd5 Nc3 Nf6")
  ("C01s" "French: Exchange, 4.Nc3 Nf6 5.Nf3" "e4 e6 d4 d5 exd5 exd5 Nc3 Nf6 Nf3")
  ("C01t" "French: Exchange, Svenonius Variation" "e4 e6 d4 d5 exd5 exd5 Nc3 Nf6 Bg5")
  ("C01t" "French: Exchange, Bogoljubow Variation" "e4 e6 d4 d5 exd5 exd5 Nc3 Nf6 Bg5 Nc6")
  ("C01u" "French: Exchange Winawer" "e4 e6 d4 d5 exd5 exd5 Nc3 Bb4")
  ("C01v" "French: Exchange Winawer, 5.Bd3" "e4 e6 d4 d5 exd5 exd5 Nc3 Bb4 Bd3")
  ("C01v" "French: Exchange, Canal Attack" "e4 e6 d4 d5 exd5 exd5 Nc3 Bb4 Bd3 Ne7 Qh5")
  ("C01w" "French: Exchange Winawer, 5.Bd3 Nc6" "e4 e6 d4 d5 exd5 exd5 Nc3 Bb4 Bd3 Nc6")
  ("C02a" "French: Advance" "e4 e6 d4 d5 e5")
  ("C02a" "French: Advance, 3...Ne7" "e4 e6 d4 d5 e5 Ne7")
  ("C02b" "French: Advance, 3...b6" "e4 e6 d4 d5 e5 b6")
  ("C02b" "French: Advance, 3...b6" "e4 e6 d4 d5 e5 b6 c3 Qd7")
  ("C02c" "French: Advance, 3...c5" "e4 e6 d4 d5 e5 c5")
  ("C02c" "French: Advance, Wing Gambit" "e4 e6 d4 d5 e5 c5 b4")
  ("C02d" "French: Advance, Steinitz" "e4 e6 d4 d5 e5 c5 dxc5")
  ("C02e" "French: Advance, Nimzowitsch Attack" "e4 e6 d4 d5 e5 c5 Qg4")
  ("C02e" "French: Advance, Nimzowitsch Gambit" "e4 e6 d4 d5 e5 c5 Qg4 cxd4 Nf3")
  ("C02f" "French: Advance, 4.Nf3" "e4 e6 d4 d5 e5 c5 Nf3")
  ("C02f" "French: Advance, Ruisdonk Gambit" "e4 e6 d4 d5 e5 c5 Nf3 cxd4 Bd3")
  ("C02g" "French: Advance, 4.c3" "e4 e6 d4 d5 e5 c5 c3")
  ("C02h" "French: Advance, 4.c3 Qb6" "e4 e6 d4 d5 e5 c5 c3 Qb6")
  ("C02i" "French: Advance, Wade" "e4 e6 d4 d5 e5 c5 c3 Qb6 Nf3 Bd7")
  ("C02j" "French: Advance, Wade, 6.Be2" "e4 e6 d4 d5 e5 c5 c3 Qb6 Nf3 Bd7 Be2")
  ("C02k" "French: Advance, 4...Nc6" "e4 e6 d4 d5 e5 c5 c3 Nc6")
  ("C02l" "French: Advance, Paulsen" "e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3")
  ("C02m" "French: Advance, 5.Nf3 Nge7" "e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3 Nge7")
  ("C02n" "French: Advance, Euwe" "e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3 Bd7")
  ("C02o" "French: Advance, Euwe, 6.a3" "e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3 Bd7 a3")
  ("C02p" "French: Advance, Euwe, 6.Be2" "e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3 Bd7 Be2")
  ("C02q" "French: Advance, Euwe, 6.Be2 Nge7" "e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3 Bd7 Be2 Nge7")
  ("C02r" "French: Advance, 5.Nf3 Qb6" "e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3 Qb6")
  ("C02s" "French: Advance, Milner-Barry Gambit" "e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3 Qb6 Bd3")
  ("C02t" "French: Advance, 5.Nf3 Qb6 6.Be2" "e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3 Qb6 Be2")
  ("C02u" "French: Advance, 5.Nf3 Qb6 6.Be2 cxd4 7.cxd4" "e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3 Qb6 Be2 cxd4 cxd4")
  ("C02v" "French: Advance, 5.Nf3 Qb6 6.a3" "e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3 Qb6 a3")
  ("C02w" "French: Advance, 5.Nf3 Qb6 6.a3 Bd7" "e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3 Qb6 a3 Bd7")
  ("C02x" "French: Advance, 5.Nf3 Qb6 6.a3 Nh6" "e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3 Qb6 a3 Nh6")
  ("C02y" "French: Advance, 5.Nf3 Qb6 6.a3 c4" "e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3 Qb6 a3 c4")
  ("C02z" "French: Advance, 5.Nf3 Qb6 6.a3 c4 7.Nbd2" "e4 e6 d4 d5 e5 c5 c3 Nc6 Nf3 Qb6 a3 c4 Nbd2")
  ("C03a" "French: Tarrasch" "e4 e6 d4 d5 Nd2")
  ("C03a" "French: Tarrasch, 3...dxe4" "e4 e6 d4 d5 Nd2 dxe4")
  ("C03b" "French: Tarrasch, Haberditz Variation" "e4 e6 d4 d5 Nd2 f5")
  ("C03c" "French: Tarrasch, 3...b6" "e4 e6 d4 d5 Nd2 b6")
  ("C03d" "French: Tarrasch, 3...a6" "e4 e6 d4 d5 Nd2 a6")
  ("C03e" "French: Tarrasch, 3...a6 4.Ngf3" "e4 e6 d4 d5 Nd2 a6 Ngf3")
  ("C03f" "French: Tarrasch, 3...Be7" "e4 e6 d4 d5 Nd2 Be7")
  ("C03g" "French: Tarrasch, 3...Be7 4.Bd3" "e4 e6 d4 d5 Nd2 Be7 Bd3")
  ("C03h" "French: Tarrasch, 3...Be7 4.Bd3 c5" "e4 e6 d4 d5 Nd2 Be7 Bd3 c5")
  ("C03i" "French: Tarrasch, 3...Be7 4.Bd3 c5 5.dxc5 Nf6" "e4 e6 d4 d5 Nd2 Be7 Bd3 c5 dxc5 Nf6")
  ("C03j" "French: Tarrasch, 3...Be7 4.Ngf3" "e4 e6 d4 d5 Nd2 Be7 Ngf3")
  ("C03j" "French: Tarrasch, 3...Be7 4.Ngf3 Nf6" "e4 e6 d4 d5 Nd2 Be7 Ngf3 Nf6")
  ("C03k" "French: Tarrasch, 3...Be7 4.Ngf3 Nf6 5.Bd3" "e4 e6 d4 d5 Nd2 Be7 Ngf3 Nf6 Bd3")
  ("C03l" "French: Tarrasch, Guimard Variation" "e4 e6 d4 d5 Nd2 Nc6")
  ("C03m" "French: Tarrasch, Guimard, 4.c3" "e4 e6 d4 d5 Nd2 Nc6 c3")
  ("C03n" "French: Tarrasch, Guimard, 4.c3 e5" "e4 e6 d4 d5 Nd2 Nc6 c3 e5")
  ("C03o" "French: Tarrasch, Guimard, 4.Ngf3" "e4 e6 d4 d5 Nd2 Nc6 Ngf3")
  ("C04a" "French: Tarrasch, Guimard, 4.Ngf3 Nf6" "e4 e6 d4 d5 Nd2 Nc6 Ngf3 Nf6")
  ("C04b" "French: Tarrasch, Guimard, 4.Ngf3 Nf6 5.e5" "e4 e6 d4 d5 Nd2 Nc6 Ngf3 Nf6 e5")
  ("C04c" "French: Tarrasch, Guimard, Main Line" "e4 e6 d4 d5 Nd2 Nc6 Ngf3 Nf6 e5 Nd7")
  ("C04d" "French: Tarrasch, Guimard, Main Line, 6.c3" "e4 e6 d4 d5 Nd2 Nc6 Ngf3 Nf6 e5 Nd7 c3")
  ("C04e" "French: Tarrasch, Guimard, Main Line, 6.Bb5" "e4 e6 d4 d5 Nd2 Nc6 Ngf3 Nf6 e5 Nd7 Bb5")
  ("C04f" "French: Tarrasch, Guimard, Main Line, 6.Be2" "e4 e6 d4 d5 Nd2 Nc6 Ngf3 Nf6 e5 Nd7 Be2")
  ("C04g" "French: Tarrasch, Guimard, Main Line, 6.Be2 f6" "e4 e6 d4 d5 Nd2 Nc6 Ngf3 Nf6 e5 Nd7 Be2 f6")
  ("C04h" "French: Tarrasch, Guimard, Main Line, 6.Nb3" "e4 e6 d4 d5 Nd2 Nc6 Ngf3 Nf6 e5 Nd7 Nb3")
  ("C04i" "French: Tarrasch, Guimard, Main Line, 6.Nb3 a5" "e4 e6 d4 d5 Nd2 Nc6 Ngf3 Nf6 e5 Nd7 Nb3 a5")
  ("C04j" "French: Tarrasch, Guimard, Main Line, 6.Nb3 Be7" "e4 e6 d4 d5 Nd2 Nc6 Ngf3 Nf6 e5 Nd7 Nb3 Be7")
  ("C05a" "French: Tarrasch, Closed" "e4 e6 d4 d5 Nd2 Nf6")
  ("C05b" "French: Tarrasch, Closed, 4.e5" "e4 e6 d4 d5 Nd2 Nf6 e5")
  ("C05c" "French: Tarrasch, Closed, 4...Ne4" "e4 e6 d4 d5 Nd2 Nf6 e5 Ne4")
  ("C05c" "French: Tarrasch, Closed, 4...Ne4 5.Nxe4" "e4 e6 d4 d5 Nd2 Nf6 e5 Ne4 Nxe4")
  ("C05d" "French: Tarrasch, Closed, 4...Nfd7" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7")
  ("C05e" "French: Tarrasch, Closed, 5.f4" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 f4")
  ("C05f" "French: Tarrasch, Closed, 5.f4 c5 6.c3 Nc6" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 f4 c5 c3 Nc6")
  ("C05g" "French: Tarrasch, Closed, 5.f4 c5 6.c3 Nc6 7.Ndf3" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 f4 c5 c3 Nc6 Ndf3")
  ("C05h" "French: Tarrasch, Closed, 5.f4 c5 6.c3 Nc6 7.Ndf3 cxd4" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 f4 c5 c3 Nc6 Ndf3 cxd4")
  ("C05i" "French: Tarrasch, Closed, 5.f4 c5 6.c3 Nc6 7.Ndf3 Qb6" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 f4 c5 c3 Nc6 Ndf3 Qb6")
  ("C05j" "French: Tarrasch, Closed, 5.f4 c5 6.c3 Nc6 7.Ndf3 Qb6 8.h4" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 f4 c5 c3 Nc6 Ndf3 Qb6 h4")
  ("C05j" "French: Tarrasch, Closed, 5.f4 c5 6.c3 Nc6 7.Ndf3 Qb6 8.h4" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 f4 c5 c3 Nc6 Ndf3 Qb6 h4 cxd4 cxd4")
  ("C05k" "French: Tarrasch, Closed, 5.f4 c5 6.c3 Nc6 7.Ndf3 Qb6 8.Ne2" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 f4 c5 c3 Nc6 Ndf3 Qb6 Ne2")
  ("C05k" "French: Tarrasch, Closed, 5.f4 c5 6.c3 Nc6 7.Ndf3 Qb6 8.Ne2" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 f4 c5 c3 Nc6 Ndf3 Qb6 Ne2 cxd4 cxd4")
  ("C05l" "French: Tarrasch, Closed, 5.f4 c5 6.c3 Nc6 7.Ndf3 Qb6 8.g3" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 f4 c5 c3 Nc6 Ndf3 Qb6 g3")
  ("C05l" "French: Tarrasch, Closed, 5.f4 c5 6.c3 Nc6 7.Ndf3 Qb6 8.g3" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 f4 c5 c3 Nc6 Ndf3 Qb6 g3 cxd4 cxd4")
  ("C05m" "French: Tarrasch, Closed, 5.c3" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 c3")
  ("C05n" "French: Tarrasch, 5.Bd3" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3")
  ("C05o" "French: Tarrasch, Botvinnik" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 b6")
  ("C05p" "French: Tarrasch, Closed, 6...Nc6" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6")
  ("C05p" "French: Tarrasch, Closed, 7.Ndf3" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ndf3")
  ("C05q" "French: Tarrasch, Closed, 7.Ndf3 Qa5" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ndf3 Qa5")
  ("C05r" "French: Tarrasch, Closed, 7.Ngf3" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ngf3")
  ("C05s" "French: Tarrasch, Closed, 7.Ngf3 Be7" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ngf3 Be7")
  ("C05t" "French: Tarrasch, Closed, 7.Ngf3 Be7 8.O-O g5" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ngf3 Be7 O-O g5")
  ("C05u" "French: Tarrasch, Closed, Nunn-Korchnoi Gambit" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ngf3 Qb6 O-O")
  ("C05v" "French: Tarrasch, Closed, 7.Ne2" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2")
  ("C05w" "French: Tarrasch, Closed, 7.Ne2 a5" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 a5")
  ("C06a" "French: Tarrasch, Closed, Main Line" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4")
  ("C06b" "French: Tarrasch, Closed, Leningrad" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4 Nb6")
  ("C06c" "French: Tarrasch, Closed, Leningrad, 9.Nf3" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4 Nb6 Nf3")
  ("C06d" "French: Tarrasch, Closed, Leningrad, 9.O-O" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4 Nb6 O-O")
  ("C06e" "French: Tarrasch, Closed, Leningrad, 9.O-O a5" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4 Nb6 O-O a5")
  ("C06f" "French: Tarrasch, Closed, Leningrad, 9.O-O Bd7" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4 Nb6 O-O Bd7")
  ("C06g" "French: Tarrasch, Closed, 8...Qb6" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4 Qb6")
  ("C06h" "French: Tarrasch, Closed, 8...Qb6 9.O-O" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4 Qb6 O-O")
  ("C06i" "French: Tarrasch, Closed, 8...Qb6 9.Nf3" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4 Qb6 Nf3")
  ("C06j" "French: Tarrasch, Closed, 8...Qb6 9.Nf3 f6" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4 Qb6 Nf3 f6")
  ("C06k" "French: Tarrasch, Closed, 8...f6" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4 f6")
  ("C06l" "French: Tarrasch, Closed, 8...f6 9.Nf4" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4 f6 Nf4")
  ("C06m" "French: Tarrasch, Closed, 8...f6 9.exf6" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4 f6 exf6")
  ("C06n" "French: Tarrasch, Closed, 8...f6 9.exf6 Nxf6" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4 f6 exf6 Nxf6")
  ("C06o" "French: Tarrasch, Closed, 8...f6 9.exf6 Nxf6 10.O-O Bd6 11.Nf3" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4 f6 exf6 Nxf6 O-O Bd6 Nf3")
  ("C06o" "French: Tarrasch, Closed, 8...f6 9.exf6, 11...Qb6" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4 f6 exf6 Nxf6 O-O Bd6 Nf3 Qb6")
  ("C06p" "French: Tarrasch, Closed, 8...f6 9.exf6, 11...Qb6 12.Nc3" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4 f6 exf6 Nxf6 O-O Bd6 Nf3 Qb6 Nc3")
  ("C06q" "French: Tarrasch, Closed, 8...f6 9.exf6, 11...Qc7" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4 f6 exf6 Nxf6 O-O Bd6 Nf3 Qc7")
  ("C06r" "French: Tarrasch, Closed, 8...f6 9.exf6, 11...Qc7 12.Bg5" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4 f6 exf6 Nxf6 O-O Bd6 Nf3 Qc7 Bg5")
  ("C06s" "French: Tarrasch, Closed, 8...f6 9.exf6, 11...O-O" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4 f6 exf6 Nxf6 O-O Bd6 Nf3 O-O")
  ("C06t" "French: Tarrasch, Closed, 8...f6 9.exf6, 11...O-O 12.Bf4" "e4 e6 d4 d5 Nd2 Nf6 e5 Nfd7 Bd3 c5 c3 Nc6 Ne2 cxd4 cxd4 f6 exf6 Nxf6 O-O Bd6 Nf3 O-O Bf4")
  ("C07a" "French: Tarrasch, Open" "e4 e6 d4 d5 Nd2 c5")
  ("C07b" "French: Tarrasch, Open, 4.c3" "e4 e6 d4 d5 Nd2 c5 c3")
  ("C07c" "French: Tarrasch, Open, 4.dxc5" "e4 e6 d4 d5 Nd2 c5 dxc5")
  ("C07d" "French: Tarrasch, Open, 4.Ngf3" "e4 e6 d4 d5 Nd2 c5 Ngf3")
  ("C07e" "French: Tarrasch, Open, 4.Ngf3 a6" "e4 e6 d4 d5 Nd2 c5 Ngf3 a6")
  ("C07f" "French: Tarrasch, Open, 4.Ngf3 Nf6" "e4 e6 d4 d5 Nd2 c5 Ngf3 Nf6")
  ("C07g" "French: Tarrasch, Open, 4.Ngf3 Nc6" "e4 e6 d4 d5 Nd2 c5 Ngf3 Nc6")
  ("C07h" "French: Tarrasch, Open, 4.Ngf3 cxd4" "e4 e6 d4 d5 Nd2 c5 Ngf3 cxd4")
  ("C07i" "French: Tarrasch, Open, 4.exd5" "e4 e6 d4 d5 Nd2 c5 exd5")
  ("C07i" "French: Tarrasch, Shaposhnikov Gambit" "e4 e6 d4 d5 Nd2 c5 exd5 Nf6")
  ("C07j" "French: Tarrasch, Open, 4.exd5 Qxd5" "e4 e6 d4 d5 Nd2 c5 exd5 Qxd5")
  ("C07k" "French: Tarrasch, Open, 4.exd5 Qxd5 5.Ngf3" "e4 e6 d4 d5 Nd2 c5 exd5 Qxd5 Ngf3")
  ("C07l" "French: Tarrasch, Open, 4.exd5 Qxd5 5.Ngf3 cxd4" "e4 e6 d4 d5 Nd2 c5 exd5 Qxd5 Ngf3 cxd4")
  ("C07m" "French: Tarrasch, Open, 4.exd5 Qxd5 5.Ngf3 cxd4 6.Bc4" "e4 e6 d4 d5 Nd2 c5 exd5 Qxd5 Ngf3 cxd4 Bc4")
  ("C07n" "French: Tarrasch, Open, Eliskases Variation" "e4 e6 d4 d5 Nd2 c5 exd5 Qxd5 Ngf3 cxd4 Bc4 Qd8")
  ("C07o" "French: Tarrasch, Open, 4.exd5 Qxd5 5.Ngf3 cxd4 6.Bc4 Qd6" "e4 e6 d4 d5 Nd2 c5 exd5 Qxd5 Ngf3 cxd4 Bc4 Qd6")
  ("C07p" "French: Tarrasch, Open, 4.exd5 Qxd5, Main Line, 10.Qxd4" "e4 e6 d4 d5 Nd2 c5 exd5 Qxd5 Ngf3 cxd4 Bc4 Qd6 O-O Nf6 Nb3 Nc6 Nbxd4 Nxd4 Qxd4")
  ("C07p" "French: Tarrasch, Open, 4.exd5 Qxd5, Main Line, 10.Qxd4 Qxd4" "e4 e6 d4 d5 Nd2 c5 exd5 Qxd5 Ngf3 cxd4 Bc4 Qd6 O-O Nf6 Nb3 Nc6 Nbxd4 Nxd4 Qxd4 Qxd4")
  ("C07q" "French: Tarrasch, Open, 4.exd5 Qxd5, Main Line, 10.Nxd4" "e4 e6 d4 d5 Nd2 c5 exd5 Qxd5 Ngf3 cxd4 Bc4 Qd6 O-O Nf6 Nb3 Nc6 Nbxd4 Nxd4 Nxd4")
  ("C07r" "French: Tarrasch, Open, 4.exd5 Qxd5, Main Line, 10.Nxd4 a6" "e4 e6 d4 d5 Nd2 c5 exd5 Qxd5 Ngf3 cxd4 Bc4 Qd6 O-O Nf6 Nb3 Nc6 Nbxd4 Nxd4 Nxd4 a6")
  ("C07s" "French: Tarrasch, Open, 4.exd5 Qxd5, Main Line, 10.Nxd4 a6 11.c3" "e4 e6 d4 d5 Nd2 c5 exd5 Qxd5 Ngf3 cxd4 Bc4 Qd6 O-O Nf6 Nb3 Nc6 Nbxd4 Nxd4 Nxd4 a6 c3")
  ("C07t" "French: Tarrasch, Open, 4.exd5 Qxd5, Main Line, 10.Nxd4 a6 11.Re1" "e4 e6 d4 d5 Nd2 c5 exd5 Qxd5 Ngf3 cxd4 Bc4 Qd6 O-O Nf6 Nb3 Nc6 Nbxd4 Nxd4 Nxd4 a6 Re1")
  ("C08a" "French: Tarrasch, Open, 4.exd5 exd5" "e4 e6 d4 d5 Nd2 c5 exd5 exd5")
  ("C08b" "French: Tarrasch, Open, 4.exd5 exd5 5.Bb5+ Nc6" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Bb5+ Nc6")
  ("C08c" "French: Tarrasch, Open, 4.exd5 exd5 5.Bb5+ Nc6 6.Qe2+" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Bb5+ Nc6 Qe2+")
  ("C08d" "French: Tarrasch, Open, 4.exd5 exd5 5.Bb5+ Bd7" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Bb5+ Bd7")
  ("C08e" "French: Tarrasch, Open, 4.exd5 exd5 5.Bb5+ Bd7 6.Qe2+" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Bb5+ Bd7 Qe2+")
  ("C08f" "French: Tarrasch, Open, 4.exd5 exd5 5.Bb5+ Bd7 6.Qe2+ Be7" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Bb5+ Bd7 Qe2+ Be7")
  ("C08g" "French: Tarrasch, Open, 4.exd5 exd5 5.Ngf3" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3")
  ("C08h" "French: Tarrasch, Open, 4.exd5 exd5 5.Ngf3 a6" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 a6")
  ("C08i" "French: Tarrasch, Open, 4.exd5 exd5 5.Ngf3 a6 6.Be2" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 a6 Be2")
  ("C08j" "French: Tarrasch, Open, 4.exd5 exd5 5.Ngf3 Nf6" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nf6")
  ("C08k" "French: Tarrasch, Open, 4.exd5 exd5 5.Ngf3 Nf6, 7.Bxd7" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nf6 Bb5+ Bd7 Bxd7+")
  ("C08l" "French: Tarrasch, Open, 4.exd5 exd5 5.Ngf3 Nf6, Main Line" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nf6 Bb5+ Bd7 Bxd7+ Nbd7 O-O Be7 dxc5")
  ("C08m" "French: Tarrasch, Open, 4.exd5 exd5 5.Ngf3 Nf6, Main Line, 10.Nb3" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nf6 Bb5+ Bd7 Bxd7+ Nbd7 O-O Be7 dxc5 Nxc5 Nb3")
  ("C09a" "French: Tarrasch, Open, 5.Ngf3 Nc6" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nc6")
  ("C09b" "French: Tarrasch, Open, 5.Ngf3 Nc6 6.Bb5" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nc6 Bb5")
  ("C09c" "French: Tarrasch, Open, 5.Ngf3 Nc6 6.Bb5 cxd4" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nc6 Bb5 cxd4")
  ("C09d" "French: Tarrasch, Open, 5.Ngf3 Nc6 6.Bb5 Bd6" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nc6 Bb5 Bd6")
  ("C09d" "French: Tarrasch, Open, 7.O-O" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nc6 Bb5 Bd6 O-O")
  ("C09e" "French: Tarrasch, Open, 7.dxc5" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nc6 Bb5 Bd6 dxc5")
  ("C09f" "French: Tarrasch, Open, Main Line" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nc6 Bb5 Bd6 dxc5 Bxc5 O-O Ne7")
  ("C09g" "French: Tarrasch, Open, Main Line, 9.c3" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nc6 Bb5 Bd6 O-O Ne7 dxc5 Bxc5 c3")
  ("C09h" "French: Tarrasch, Open, Main Line, 9.c3 O-O 10.Nb3 Bd6" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nc6 Bb5 Bd6 O-O Ne7 dxc5 Bxc5 c3 O-O Nb3 Bd6")
  ("C09i" "French: Tarrasch, Open, Main Line, 9.c3 O-O 10.Nb3 Bb6" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nc6 Bb5 Bd6 O-O Ne7 dxc5 Bxc5 c3 O-O Nb3 Bb6")
  ("C09j" "French: Tarrasch, Open, Main Line, 9.c3 O-O 10.Nb3 Bb6 11.Re1" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nc6 Bb5 Bd6 O-O Ne7 dxc5 Bxc5 c3 O-O Nb3 Bb6 Re1")
  ("C09k" "French: Tarrasch, Open, Main Line, 9.Nb3" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nc6 Bb5 Bd6 O-O Ne7 dxc5 Bxc5 Nb3")
  ("C09k" "French: Tarrasch, Open, Main Line, 9.Nb3 Bb6" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nc6 Bb5 Bd6 O-O Ne7 dxc5 Bxc5 Nb3 Bb6")
  ("C09l" "French: Tarrasch, Open, Main Line, 9.Nb3 Bd6" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nc6 Bb5 Bd6 O-O Ne7 dxc5 Bxc5 Nb3 Bd6")
  ("C09m" "French: Tarrasch, Open, Main Line, 9.Nb3 Bd6 10.Nbd4" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nc6 Bb5 Bd6 O-O Ne7 dxc5 Bxc5 Nb3 Bd6 Nbd4")
  ("C09n" "French: Tarrasch, Open, Main Line, 9.Nb3 Bd6 10.Bg5" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nc6 Bb5 Bd6 O-O Ne7 dxc5 Bxc5 Nb3 Bd6 Bg5")
  ("C09o" "French: Tarrasch, Open, Main Line, 9.Nb3 Bd6 10.Re1" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nc6 Bb5 Bd6 O-O Ne7 dxc5 Bxc5 Nb3 Bd6 Re1")
  ("C09p" "French: Tarrasch, Open, Main Line, 9.Nb3 Bd6 10.Re1 O-O 11.Bg5" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nc6 Bb5 Bd6 O-O Ne7 dxc5 Bxc5 Nb3 Bd6 Re1 O-O Bg5")
  ("C09q" "French: Tarrasch, Open, Main Line, 9.Nb3 Bd6 10.Re1 O-O 11.Bg5 Bg4" "e4 e6 d4 d5 Nd2 c5 exd5 exd5 Ngf3 Nc6 Bb5 Bd6 O-O Ne7 dxc5 Bxc5 Nb3 Bd6 Re1 O-O Bg5 Bg4")
  ("C10a" "French: 3.Nc3" "e4 e6 d4 d5 Nc3")
  ("C10b" "French: Marshall Variation" "e4 e6 d4 d5 Nc3 c5")
  ("C10c" "French: 3.Nc3 Nc6" "e4 e6 d4 d5 Nc3 Nc6")
  ("C10d" "French: 3.Nc3 Nc6 4.Nf3 Nf6" "e4 e6 d4 d5 Nc3 Nc6 Nf3 Nf6")
  ("C10e" "French: 3.Nc3 Be7" "e4 e6 d4 d5 Nc3 Be7")
  ("C10f" "French: Rubinstein" "e4 e6 d4 d5 Nc3 dxe4")
  ("C10f" "French: Rubinstein" "e4 e6 d4 d5 Nc3 dxe4 Nxe4")
  ("C10f" "French: Rubinstein, Ellis Gambit" "e4 e6 d4 d5 Nc3 dxe4 Nxe4 e5")
  ("C10f" "French: Rubinstein, Frere (Becker) Variation" "e4 e6 d4 d5 Nc3 dxe4 Nxe4 Qd5")
  ("C10g" "French: Rubinstein, 4...Nf6" "e4 e6 d4 d5 Nc3 dxe4 Nxe4 Nf6")
  ("C10h" "French: Rubinstein, 4...Nd7" "e4 e6 d4 d5 Nc3 dxe4 Nxe4 Nd7")
  ("C10i" "French: Rubinstein, 5.Nf3 Be7" "e4 e6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Nf3 Be7")
  ("C10j" "French: Rubinstein, 5.Nf3 Ngf6" "e4 e6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Nf3 Ngf6")
  ("C10k" "French: Rubinstein, 5.Nf3 Ngf6 6.Bd3" "e4 e6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Nf3 Ngf6 Bd3")
  ("C10l" "French: Rubinstein, 5.Nf3 Ngf6 6.Nxf6+" "e4 e6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Nf3 Ngf6 Nxf6+")
  ("C10m" "French: Rubinstein, Capablanca" "e4 e6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Nf3 Ngf6 Nxf6+ Nxf6 Ne5")
  ("C10n" "French: Rubinstein, 7.Bd3" "e4 e6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Nf3 Ngf6 Nxf6+ Nxf6 Bd3")
  ("C10o" "French: Rubinstein, 7.Bd3 c5" "e4 e6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Nf3 Ngf6 Nxf6+ Nxf6 Bd3 c5")
  ("C10p" "French: Rubinstein, 7.Bd3 c5 8.dxc5" "e4 e6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Nf3 Ngf6 Nxf6+ Nxf6 Bd3 c5 dxc5")
  ("C10q" "French: Rubinstein, 7.Bg5" "e4 e6 d4 d5 Nc3 dxe4 Nxe4 Nd7 Nf3 Ngf6 Nxf6+ Nxf6 Bg5")
  ("C10r" "French: Rubinstein, 4...Bd7" "e4 e6 d4 d5 Nc3 dxe4 Nxe4 Bd7")
  ("C10s" "French: Rubinstein, 4...Bd7 5.Nf3" "e4 e6 d4 d5 Nc3 dxe4 Nxe4 Bd7 Nf3")
  ("C10t" "French: Rubinstein, 4...Bd7 5.Nf3 Bc6 6.Bd3" "e4 e6 d4 d5 Nc3 dxe4 Nxe4 Bd7 Nf3 Bc6 Bd3")
  ("C10u" "French: Rubinstein, 4...Bd7 5.Nf3 Bc6 6.Bd3 Nd7" "e4 e6 d4 d5 Nc3 dxe4 Nxe4 Bd7 Nf3 Bc6 Bd3 Nd7")
  ("C10v" "French: Rubinstein, 4...Bd7 5.Nf3 Bc6 6.Bd3 Nd7 7.O-O" "e4 e6 d4 d5 Nc3 dxe4 Nxe4 Bd7 Nf3 Bc6 Bd3 Nd7 O-O")
  ("C10w" "French: Rubinstein, 4...Bd7 5.Nf3 Bc6 6.Bd3 Nd7 7.O-O Ngf6" "e4 e6 d4 d5 Nc3 dxe4 Nxe4 Bd7 Nf3 Bc6 Bd3 Nd7 O-O Ngf6")
  ("C10x" "French: Rubinstein, 4...Bd7 5.Nf3 Bc6 6.Bd3 Nd7 7.O-O Ngf6 8.Ng3" "e4 e6 d4 d5 Nc3 dxe4 Nxe4 Bd7 Nf3 Bc6 Bd3 Nd7 O-O Ngf6 Ng3")
  ("C11a" "French: 3.Nc3 Nf6" "e4 e6 d4 d5 Nc3 Nf6")
  ("C11a" "French: Henneberger Variation" "e4 e6 d4 d5 Nc3 Nf6 Be3")
  ("C11a" "French: 3.Nc3 Nf6 4.exd5" "e4 e6 d4 d5 Nc3 Nf6 exd5")
  ("C11b" "French: Swiss Variation" "e4 e6 d4 d5 Nc3 Nf6 Bd3")
  ("C11c" "French: Steinitz" "e4 e6 d4 d5 Nc3 Nf6 e5")
  ("C11c" "French: Steinitz, Gledhill Attack" "e4 e6 d4 d5 Nc3 Nf6 e5 Nfd7 Qg4")
  ("C11d" "French: Steinitz, 5.Nf3" "e4 e6 d4 d5 Nc3 Nf6 e5 Nfd7 Nf3")
  ("C11d" "French: Steinitz, 5.Nf3 c5" "e4 e6 d4 d5 Nc3 Nf6 e5 Nfd7 Nf3 c5")
  ("C11e" "French: Steinitz, 5.Nf3 c5 6.dxc5" "e4 e6 d4 d5 Nc3 Nf6 e5 Nfd7 Nf3 c5 dxc5")
  ("C11f" "French: Steinitz, 5.f4" "e4 e6 d4 d5 Nc3 Nf6 e5 Nfd7 f4")
  ("C11f" "French: Steinitz, 5.f4 c5" "e4 e6 d4 d5 Nc3 Nf6 e5 Nfd7 f4 c5")
  ("C11g" "French: Steinitz, 6.dxc5" "e4 e6 d4 d5 Nc3 Nf6 e5 Nfd7 f4 c5 dxc5")
  ("C11g" "French: Steinitz, Bradford Attack" "e4 e6 d4 d5 Nc3 Nf6 e5 Nfd7 f4 c5 dxc5 Bxc5 Qg4")
  ("C11g" "French: Steinitz, 6.dxc5 Nc6" "e4 e6 d4 d5 Nc3 Nf6 e5 Nfd7 f4 c5 dxc5 Nc6")
  ("C11g" "French: Steinitz, Brodsky-Jones Variation" "e4 e6 d4 d5 Nc3 Nf6 e5 Nfd7 f4 c5 dxc5 Nc6 a3 Bxc5 Qg4 O-O Nf3 f6")
  ("C11h" "French: Steinitz, 6.Nf3" "e4 e6 d4 d5 Nc3 Nf6 e5 Nfd7 f4 c5 Nf3")
  ("C11i" "French: Steinitz, Boleslavsky Variation" "e4 e6 d4 d5 Nc3 Nf6 e5 Nfd7 f4 c5 Nf3 Nc6 Be3")
  ("C11j" "French: Steinitz, Boleslavsky, 7...a6" "e4 e6 d4 d5 Nc3 Nf6 e5 Nfd7 f4 c5 Nf3 Nc6 Be3 a6")
  ("C11k" "French: Steinitz, Boleslavsky, 7...a6 8.Qd2 b5" "e4 e6 d4 d5 Nc3 Nf6 e5 Nfd7 f4 c5 Nf3 Nc6 Be3 a6 Qd2 b5")
  ("C11l" "French: Steinitz, Boleslavsky, 7...cxd4" "e4 e6 d4 d5 Nc3 Nf6 e5 Nfd7 f4 c5 Nf3 Nc6 Be3 cxd4")
  ("C11m" "French: Steinitz, Boleslavsky, 7...cxd4 8.Nxd4 Qb6" "e4 e6 d4 d5 Nc3 Nf6 e5 Nfd7 f4 c5 Nf3 Nc6 Be3 cxd4 Nxd4 Qb6")
  ("C11n" "French: Steinitz, Boleslavsky, 7...cxd4 8.Nxd4 Bc5" "e4 e6 d4 d5 Nc3 Nf6 e5 Nfd7 f4 c5 Nf3 Nc6 Be3 cxd4 Nxd4 Bc5")
  ("C11o" "French: 3.Nc3 Nf6 4.Bg5" "e4 e6 d4 d5 Nc3 Nf6 Bg5")
  ("C11o" "French: Burn Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 dxe4")
  ("C11p" "French: Burn, 5.Nxe4" "e4 e6 d4 d5 Nc3 Nf6 Bg5 dxe4 Nxe4")
  ("C11p" "French: Burn, 5.Nxe4 Nbd7" "e4 e6 d4 d5 Nc3 Nf6 Bg5 dxe4 Nxe4 Nbd7")
  ("C11q" "French: Burn, 5.Nxe4 Nbd7 6.Nf3" "e4 e6 d4 d5 Nc3 Nf6 Bg5 dxe4 Nxe4 Nbd7 Nf3")
  ("C11r" "French: Burn, 5.Nxe4 Nbd7 6.Nf3 Be7" "e4 e6 d4 d5 Nc3 Nf6 Bg5 dxe4 Nxe4 Nbd7 Nf3 Be7")
  ("C11r" "French: Burn, 5.Nxe4 Nbd7 6.Nf3 Be7" "e4 e6 d4 d5 Nc3 Nf6 Bg5 dxe4 Nxe4 Nbd7 Nf3 Be7 Nxf6+ Nxf6")
  ("C11s" "French: Burn, 5.Nxe4 Be7" "e4 e6 d4 d5 Nc3 Nf6 Bg5 dxe4 Nxe4 Be7")
  ("C11t" "French: Burn, 6.Bxf6 Bxf6" "e4 e6 d4 d5 Nc3 Nf6 Bg5 dxe4 Nxe4 Be7 Bxf6 Bxf6")
  ("C11u" "French: Burn, 6.Bxf6 gxf6" "e4 e6 d4 d5 Nc3 Nf6 Bg5 dxe4 Nxe4 Be7 Bxf6 gxf6")
  ("C11v" "French: Burn, 6.Bxf6 gxf6 7.Nf3" "e4 e6 d4 d5 Nc3 Nf6 Bg5 dxe4 Nxe4 Be7 Bxf6 gxf6 Nf3")
  ("C11w" "French: Burn, 6.Bxf6 gxf6 7.Nf3 b6" "e4 e6 d4 d5 Nc3 Nf6 Bg5 dxe4 Nxe4 Be7 Bxf6 gxf6 Nf3 b6")
  ("C11w" "French: Burn, 6.Bxf6 gxf6 7.Nf3 b6 8.Bd3" "e4 e6 d4 d5 Nc3 Nf6 Bg5 dxe4 Nxe4 Be7 Bxf6 gxf6 Nf3 b6 Bd3")
  ("C11w" "French: Burn, 6.Bxf6 gxf6 7.Nf3 b6 8.Bc4" "e4 e6 d4 d5 Nc3 Nf6 Bg5 dxe4 Nxe4 Be7 Bxf6 gxf6 Nf3 b6 Bc4")
  ("C11x" "French: Burn, 6.Bxf6 gxf6 7.Nf3 f5" "e4 e6 d4 d5 Nc3 Nf6 Bg5 dxe4 Nxe4 Be7 Bxf6 gxf6 Nf3 f5")
  ("C12a" "French: MacCutcheon" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4")
  ("C12b" "French: MacCutcheon, 5.exd5" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 exd5")
  ("C12c" "French: MacCutcheon, 5.exd5 Qxd5" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 exd5 Qxd5")
  ("C12c" "French: MacCutcheon, Bogoljubow Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 exd5 Qxd5 Bxf6 gxf6 Qd2 Qa5")
  ("C12d" "French: MacCutcheon, Advance Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5")
  ("C12d" "French: MacCutcheon, Advance Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6")
  ("C12e" "French: MacCutcheon, Chigorin Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 exf6")
  ("C12e" "French: MacCutcheon, Grigoriev Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 exf6 hxg5 fxg7 Rg8 h4 gxh4 Qg4")
  ("C12f" "French: MacCutcheon, Olland (Dutch) Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bc1")
  ("C12g" "French: MacCutcheon, Bernstein Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bh4")
  ("C12h" "French: MacCutcheon, Janowski Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Be3")
  ("C12i" "French: MacCutcheon, 6.Bd2" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bd2")
  ("C12i" "French: MacCutcheon, Tartakower Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bd2 Nfd7")
  ("C12j" "French: MacCutcheon, Lasker Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bd2 Bxc3")
  ("C12k" "French: MacCutcheon, Lasker, 7.bxc3" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bd2 Bxc3 bxc3")
  ("C12l" "French: MacCutcheon, 8.Qg4" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bd2 Bxc3 bxc3 Ne4 Qg4")
  ("C12l" "French: MacCutcheon, 8.Qg4 Kf8" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bd2 Bxc3 bxc3 Ne4 Qg4 Kf8")
  ("C12l" "French: MacCutcheon, Duras Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bd2 Bxc3 bxc3 Ne4 Qg4 Kf8 Bc1")
  ("C12m" "French: MacCutcheon, 8.Qg4 Kf8 9.Bd3" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bd2 Bxc3 bxc3 Ne4 Qg4 Kf8 Bd3")
  ("C12n" "French: MacCutcheon, 8.Qg4 g6" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bd2 Bxc3 bxc3 Ne4 Qg4 g6")
  ("C12o" "French: MacCutcheon, 8.Qg4 g6 9.Bd3" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bd2 Bxc3 bxc3 Ne4 Qg4 g6 Bd3")
  ("C12p" "French: MacCutcheon, Main Line" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bd2 Bxc3 bxc3 Ne4 Qg4 g6 Bd3 Nxd2 Kxd2 c5")
  ("C12q" "French: MacCutcheon, Main Line, 11.Nf3" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bd2 Bxc3 bxc3 Ne4 Qg4 g6 Bd3 Nxd2 Kxd2 c5 Nf3")
  ("C12r" "French: MacCutcheon, Main Line, 11.Nf3 Nc6" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Bb4 e5 h6 Bd2 Bxc3 bxc3 Ne4 Qg4 g6 Bd3 Nxd2 Kxd2 c5 Nf3 Nc6")
  ("C13a" "French: Classical" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7")
  ("C13b" "French: Classical, Anderssen Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 Bxf6")
  ("C13c" "French: Classical, Anderssen-Richter Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 Bxf6 Bxf6 e5 Be7 Qg4")
  ("C13d" "French: Classical, 5.e5" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5")
  ("C13d" "French: Classical, Nimzowitsch Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Ng8")
  ("C13e" "French: Classical, Frankfurt Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Ng8 Be3 b6")
  ("C13f" "French: Classical, Tartakower Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Ne4")
  ("C13g" "French: Classical, Tartakower, 6.Bxe7" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Ne4 Bxe7")
  ("C13h" "French: Classical, 5.e5 Nfd7" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7")
  ("C13i" "French: Chatard-Alekhine Attack" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 h4")
  ("C13j" "French: Chatard-Alekhine, Teichmann Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 h4 f6")
  ("C13k" "French: Chatard-Alekhine, Spielmann Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 h4 O-O")
  ("C13l" "French: Chatard-Alekhine, 6...Bxg5" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 h4 Bxg5")
  ("C13l" "French: Chatard-Alekhine, 6...Bxg5 7.hxg5 Qxg5" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 h4 Bxg5 hxg5 Qxg5")
  ("C13m" "French: Chatard-Alekhine, 6...Bxg5 7.hxg5 Qxg5 8.Nh3 Qe7 9.Nf4" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 h4 Bxg5 hxg5 Qxg5 Nh3 Qe7 Nf4")
  ("C13n" "French: Chatard-Alekhine, Maroczy Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 h4 a6")
  ("C13o" "French: Chatard-Alekhine, Maroczy, 7.Qg4 Bxg5" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 h4 a6 Qg4 Bxg5")
  ("C13p" "French: Chatard-Alekhine, Breyer Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 h4 c5")
  ("C13q" "French: Chatard-Alekhine, Breyer, 7.Bxe7" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 h4 c5 Bxe7")
  ("C13r" "French: Chatard-Alekhine, Breyer, 7.Bxe7 Kxe7" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 h4 c5 Bxe7 Kxe7")
  ("C14a" "French: Classical, 6.Bxe7 Qxe7" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7")
  ("C14b" "French: Classical, Pollock Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7 Qg4")
  ("C14c" "French: Classical, Tarrasch Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7 Bd3")
  ("C14d" "French: Classical, Alapin Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7 Nb5")
  ("C14e" "French: Classical, Rubinstein Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7 Qd2")
  ("C14f" "French: Classical, Steinitz Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7 f4")
  ("C14g" "French: Classical, Steinitz, 7...a6" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7 f4 a6")
  ("C14h" "French: Classical, Steinitz, 7...a6 8.Nf3 c5" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7 f4 a6 Nf3 c5")
  ("C14i" "French: Classical, Steinitz, 7...a6 8.Nf3 c5" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7 f4 a6 Nf3 c5 dxc5")
  ("C14j" "French: Classical, Steinitz, 7...O-O" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7 f4 O-O")
  ("C14k" "French: Classical, Steinitz, 7...O-O 8.Nf3 c5" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7 f4 O-O Nf3 c5")
  ("C14l" "French: Classical, Steinitz, 8.Nf3 c5 9.dxc5" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7 f4 O-O Nf3 c5 dxc5")
  ("C14m" "French: Classical, Steinitz, 9.Qd2" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7 f4 O-O Nf3 c5 Qd2")
  ("C14m" "French: Classical, Stahlberg Variation" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7 f4 O-O Nf3 c5 Qd2 Nc6 O-O-O c4")
  ("C14n" "French: Classical, Steinitz, 9.Qd2 Nc6 10.dxc5" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7 f4 O-O Nf3 c5 Qd2 Nc6 dxc5")
  ("C14o" "French: Classical, Steinitz, 9.Qd2 Nc6 10.dxc5 Qxc5" "e4 e6 d4 d5 Nc3 Nf6 Bg5 Be7 e5 Nfd7 Bxe7 Qxe7 f4 O-O Nf3 c5 Qd2 Nc6 dxc5 Qxc5")
  ("C15a" "French: Winawer" "e4 e6 d4 d5 Nc3 Bb4")
  ("C15b" "French: Winawer, 4.exd5" "e4 e6 d4 d5 Nc3 Bb4 exd5")
  ("C15b" "French: Winawer, 4.exd5 Qxd5" "e4 e6 d4 d5 Nc3 Bb4 exd5 Qxd5")
  ("C15c" "French: Winawer, 4.Qg4" "e4 e6 d4 d5 Nc3 Bb4 Qg4")
  ("C15d" "French: Winawer, 4.Qd3" "e4 e6 d4 d5 Nc3 Bb4 Qd3")
  ("C15d" "French: Winawer, 4.Qd3 dxe4" "e4 e6 d4 d5 Nc3 Bb4 Qd3 dxe4")
  ("C15e" "French: Winawer, 4.Bd3" "e4 e6 d4 d5 Nc3 Bb4 Bd3")
  ("C15f" "French: Winawer, 4.Bd3 c5" "e4 e6 d4 d5 Nc3 Bb4 Bd3 c5")
  ("C15f" "French: Winawer, Kondratiyev Variation" "e4 e6 d4 d5 Nc3 Bb4 Bd3 c5 exd5 Qxd5 Bd2")
  ("C15g" "French: Winawer, 4.Bd3 dxe4" "e4 e6 d4 d5 Nc3 Bb4 Bd3 dxe4")
  ("C15g" "French: Winawer, 4.Bd3 dxe4 5.Bxe4" "e4 e6 d4 d5 Nc3 Bb4 Bd3 dxe4 Bxe4")
  ("C15g" "French: Winawer, 4.Bd3 dxe4 5.Bxe4 Nf6" "e4 e6 d4 d5 Nc3 Bb4 Bd3 dxe4 Bxe4 Nf6")
  ("C15h" "French: Winawer, Müller-Zhuravlev Gambit" "e4 e6 d4 d5 Nc3 Bb4 Bd2")
  ("C15h" "French: Winawer, Müller-Zhuravlev Gambit" "e4 e6 d4 d5 Nc3 Bb4 Bd2 dxe4")
  ("C15i" "French: Winawer, Müller-Zhuravlev Gambit, 5.Qg4" "e4 e6 d4 d5 Nc3 Bb4 Bd2 dxe4 Qg4")
  ("C15i" "French: Winawer, Müller-Zhuravlev Gambit, Kunin Variation" "e4 e6 d4 d5 Nc3 Bb4 Bd2 dxe4 Qg4 Qxd4")
  ("C15j" "French: Winawer, Müller-Zhuravlev Gambit, 5.Qg4 Nf6" "e4 e6 d4 d5 Nc3 Bb4 Bd2 dxe4 Qg4 Nf6")
  ("C15k" "French: Winawer, 4.a3" "e4 e6 d4 d5 Nc3 Bb4 a3")
  ("C15k" "French: Winawer, 4.a3 Bxc3+" "e4 e6 d4 d5 Nc3 Bb4 a3 Bxc3+")
  ("C15k" "French: Winawer, 4.a3 Bxc3+" "e4 e6 d4 d5 Nc3 Bb4 a3 Bxc3+ bxc3")
  ("C15k" "French: Winawer, 4.a3 Bxc3+ 5.bxc3 dxe4" "e4 e6 d4 d5 Nc3 Bb4 a3 Bxc3+ bxc3 dxe4")
  ("C15l" "French: Winawer, Winkelmann-Reimer Gambit (WRG)" "e4 e6 d4 d5 Nc3 Bb4 a3 Bxc3+ bxc3 dxe4 f3")
  ("C15l" "French: Winawer, Winkelmann-Reimer Gambit Accepted" "e4 e6 d4 d5 Nc3 Bb4 a3 Bxc3+ bxc3 dxe4 f3 exf3")
  ("C15l" "French: Winawer, Winkelmann-Reimer, Hübner Defence" "e4 e6 d4 d5 Nc3 Bb4 a3 Bxc3+ bxc3 dxe4 f3 e5")
  ("C15l" "French: Winawer, Winkelmann-Reimer, 6...c5" "e4 e6 d4 d5 Nc3 Bb4 a3 Bxc3+ bxc3 dxe4 f3 c5")
  ("C15m" "French: Winawer, 4.a3 Bxc3+ 5.bxc3 dxe4 6.Qg4" "e4 e6 d4 d5 Nc3 Bb4 a3 Bxc3+ bxc3 dxe4 Qg4")
  ("C15n" "French: Winawer, Alekhine Gambit" "e4 e6 d4 d5 Nc3 Bb4 Ne2")
  ("C15o" "French: Winawer, Alekhine Gambit, 4...Nf6" "e4 e6 d4 d5 Nc3 Bb4 Ne2 Nf6")
  ("C15p" "French: Winawer, Alekhine Gambit, 4...Nc6" "e4 e6 d4 d5 Nc3 Bb4 Ne2 Nc6")
  ("C15q" "French: Winawer, Alekhine Gambit Accepted" "e4 e6 d4 d5 Nc3 Bb4 Ne2 dxe4")
  ("C15q" "French: Winawer, Alekhine Gambit, 5.a3 Bxc3+" "e4 e6 d4 d5 Nc3 Bb4 Ne2 dxe4 a3 Bxc3+")
  ("C15r" "French: Winawer, Alekhine Gambit, Kan Variation" "e4 e6 d4 d5 Nc3 Bb4 Ne2 dxe4 a3 Bxc3+ Nxc3 Nc6")
  ("C15s" "French: Winawer, Alekhine Gambit, Kan, 7.Bb5" "e4 e6 d4 d5 Nc3 Bb4 Ne2 dxe4 a3 Bxc3+ Nxc3 Nc6 Bb5")
  ("C15t" "French: Winawer, Alekhine Gambit, 5.a3 Be7" "e4 e6 d4 d5 Nc3 Bb4 Ne2 dxe4 a3 Be7")
  ("C15u" "French: Winawer, Alekhine Gambit, 5.a3 Be7 6.Nxe4 Nf6" "e4 e6 d4 d5 Nc3 Bb4 Ne2 dxe4 a3 Be7 Nxe4 Nf6")
  ("C15u" "French: Winawer, Alekhine Gambit, Alatortsev Variation" "e4 e6 d4 d5 Nc3 Bb4 Ne2 dxe4 a3 Be7 Nxe4 Nf6 N2g3 O-O Be2 Nc6")
  ("C15v" "French: Winawer, Alekhine Gambit, 5.a3 Be7 6.Nxe4 Nf6 7.Qd3" "e4 e6 d4 d5 Nc3 Bb4 Ne2 dxe4 a3 Be7 Nxe4 Nf6 Qd3")
  ("C16a" "French: Winawer, Advance Variation" "e4 e6 d4 d5 Nc3 Bb4 e5")
  ("C16b" "French: Winawer, 4.e5 b6" "e4 e6 d4 d5 Nc3 Bb4 e5 b6")
  ("C16c" "French: Winawer, 4.e5 b6 5.Qg4" "e4 e6 d4 d5 Nc3 Bb4 e5 b6 Qg4")
  ("C16d" "French: Winawer, 4.e5 b6 5.Qg4 Bf8 6.Bg5" "e4 e6 d4 d5 Nc3 Bb4 e5 b6 Qg4 Bf8 Bg5")
  ("C16e" "French: Winawer, 4.e5 b6 5.a3" "e4 e6 d4 d5 Nc3 Bb4 e5 b6 a3")
  ("C16e" "French: Winawer, 4.e5 b6 5.a3 Bf8" "e4 e6 d4 d5 Nc3 Bb4 e5 b6 a3 Bf8")
  ("C16f" "French: Winawer, Petrosian Variation" "e4 e6 d4 d5 Nc3 Bb4 e5 Qd7")
  ("C16g" "French: Winawer, Petrosian, 5.Bd2" "e4 e6 d4 d5 Nc3 Bb4 e5 Qd7 Bd2")
  ("C16h" "French: Winawer, Petrosian, 5.a3" "e4 e6 d4 d5 Nc3 Bb4 e5 Qd7 a3")
  ("C16i" "French: Winawer, Petrosian, 5.a3 Bxc3+ 6.bxc3 b6" "e4 e6 d4 d5 Nc3 Bb4 e5 Qd7 a3 Bxc3+ bxc3 b6")
  ("C16i" "French: Winawer, Petrosian, 5.a3 Bxc3+ 6.bxc3 b6 7.Qg4" "e4 e6 d4 d5 Nc3 Bb4 e5 Qd7 a3 Bxc3+ bxc3 b6 Qg4")
  ("C16j" "French: Winawer, Advance, 4...Ne7" "e4 e6 d4 d5 Nc3 Bb4 e5 Ne7")
  ("C16k" "French: Winawer, Advance, 4...Ne7 5.Bd2" "e4 e6 d4 d5 Nc3 Bb4 e5 Ne7 Bd2")
  ("C16l" "French: Winawer, Advance, 4...Ne7 5.Bd2 b6" "e4 e6 d4 d5 Nc3 Bb4 e5 Ne7 Bd2 b6")
  ("C16m" "French: Winawer, Advance, 4...Ne7 5.a3" "e4 e6 d4 d5 Nc3 Bb4 e5 Ne7 a3")
  ("C16n" "French: Winawer, Advance, 4...Ne7 5.a3 Bxc3+ 6.bxc3 b6" "e4 e6 d4 d5 Nc3 Bb4 e5 Ne7 a3 Bxc3+ bxc3 b6")
  ("C16o" "French: Winawer, Advance, 4...Ne7 5.a3 Bxc3+ 6.bxc3 b6 7.Qg4" "e4 e6 d4 d5 Nc3 Bb4 e5 Ne7 a3 Bxc3+ bxc3 b6 Qg4")
  ("C17a" "French: Winawer, Advance, 4...c5" "e4 e6 d4 d5 Nc3 Bb4 e5 c5")
  ("C17b" "French: Winawer, Advance, 5.dxc5" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 dxc5")
  ("C17c" "French: Winawer, Russian Variation" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 Qg4")
  ("C17d" "French: Winawer, Russian, 6.dxc5" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 Qg4 Ne7 dxc5")
  ("C17e" "French: Winawer, Bogoljubow Variation" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 Bd2")
  ("C17f" "French: Winawer, Bogoljubow, 5...cxd4" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 Bd2 cxd4")
  ("C17g" "French: Winawer, Bogoljubow, 5...Ne7" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 Bd2 Ne7")
  ("C17h" "French: Winawer, Bogoljubow, 5...Ne7 6.a3" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 Bd2 Ne7 a3")
  ("C17i" "French: Winawer, Bogoljubow, 5...Ne7 6.dxc5" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 Bd2 Ne7 dxc5")
  ("C17j" "French: Winawer, Bogoljubow, 5...Ne7 6.Nb5" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 Bd2 Ne7 Nb5")
  ("C17k" "French: Winawer, 5.a3" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3")
  ("C17l" "French: Winawer, 5.a3 cxd4" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 cxd4")
  ("C17l" "French: Winawer, Rauzer Variation" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 cxd4 axb4 dxc3 Nf3")
  ("C17m" "French: Winawer, Swiss Variation" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Ba5")
  ("C17n" "French: Winawer, Swiss, 6.b4" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Ba5 b4")
  ("C17o" "French: Winawer, Swiss, 6.b4 cxd4 7.Qg4" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Ba5 b4 cxd4 Qg4")
  ("C17p" "French: Winawer, Swiss, 6.b4 cxd4 7.Qg4 Ne7 8.bxa5" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Ba5 b4 cxd4 Qg4 Ne7 bxa5")
  ("C17q" "French: Winawer, Swiss, 6.b4 cxd4 7.Nb5" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Ba5 b4 cxd4 Nb5")
  ("C17r" "French: Winawer, Swiss, 6.b4 cxd4 7.Nb5 Bc7 8.f4" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Ba5 b4 cxd4 Nb5 Bc7 f4")
  ("C17s" "French: Winawer, Swiss, 6.b4 cxd4 7.Nb5 Bc7 8.f4 Bd7" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Ba5 b4 cxd4 Nb5 Bc7 f4 Bd7")
  ("C18a" "French: Winawer, 5...Bxc3+" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+")
  ("C18a" "French: Winawer, 5...Bxc3+ 6.bxc3" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3")
  ("C18b" "French: Winawer, 6...Qa5" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Qa5")
  ("C18c" "French: Winawer, 6...Qc7" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Qc7")
  ("C18d" "French: Winawer, 6...Qc7 7.Qg4" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Qc7 Qg4")
  ("C18d" "French: Winawer, 6...Qc7 7.Qg4 f6" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Qc7 Qg4 f6")
  ("C18e" "French: Winawer, 6...Qc7 7.Qg4 f5" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Qc7 Qg4 f5")
  ("C18f" "French: Winawer, 6...Ne7" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7")
  ("C18g" "French: Winawer, 6...Ne7 7.h4" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 h4")
  ("C18h" "French: Winawer, 6...Ne7 7.h4 Qc7" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 h4 Qc7")
  ("C18h" "French: Winawer, 6...Ne7 7.h4 Qc7" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 h4 Qc7 Nf3")
  ("C18i" "French: Winawer, 6...Ne7 7.h4 Nbc6" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 h4 Nbc6")
  ("C18i" "French: Winawer, 6...Ne7 7.h4 Nbc6" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 h4 Nbc6 Nf3")
  ("C18j" "French: Winawer, 6...Ne7 7.Qg4" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Qg4")
  ("C18k" "French: Winawer, 6...Ne7 7.Qg4 Nbc6" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Qg4 Nbc6")
  ("C18l" "French: Winawer, 6...Ne7 7.Qg4 Kf8" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Qg4 Kf8")
  ("C18m" "French: Winawer, 6...Ne7 7.Qg4 cxd4" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Qg4 cxd4")
  ("C18n" "French: Winawer, 6...Ne7 7.Qg4 O-O" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Qg4 O-O")
  ("C18o" "French: Winawer, 6...Ne7 7.Qg4 O-O 8.Bd3" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Qg4 O-O Bd3")
  ("C18p" "French: Winawer, 6...Ne7 7.Qg4 O-O 8.Bd3 Nbc6" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Qg4 O-O Bd3 Nbc6")
  ("C18q" "French: Winawer, 6...Ne7 7.Qg4 O-O 8.Nf3" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Qg4 O-O Nf3")
  ("C18q" "French: Winawer, 6...Ne7 7.Qg4 O-O 8.Nf3 Nbc6" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Qg4 O-O Nf3 Nbc6")
  ("C18r" "French: Winawer, Poisoned Pawn" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Qg4 Qc7")
  ("C18r" "French: Winawer, Poisoned Pawn, 8.Qxg7" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Qg4 Qc7 Qxg7")
  ("C18r" "French: Winawer, Poisoned Pawn, 10.Qd3" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Qg4 Qc7 Qxg7 Rg8 Qxh7 cxd4 Qd3")
  ("C18s" "French: Winawer, Poisoned Pawn, Euwe-Gligoric Variation" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Qg4 Qc7 Qxg7 Rg8 Qxh7 cxd4 Kd1")
  ("C18t" "French: Winawer, Poisoned Pawn, Konstantinopolsky Variation" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Qg4 Qc7 Qxg7 Rg8 Qxh7 cxd4 Ne2")
  ("C18u" "French: Winawer, Poisoned Pawn, Main Line" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Qg4 Qc7 Qxg7 Rg8 Qxh7 cxd4 Ne2 Nbc6 f4 Bd7 Qd3 dxc3")
  ("C18v" "French: Winawer, Poisoned Pawn, Main Line, 13.Nxc3" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Qg4 Qc7 Qxg7 Rg8 Qxh7 cxd4 Ne2 Nbc6 f4 Bd7 Qd3 dxc3 Nxc3")
  ("C19a" "French: Winawer, Smyslov Variation" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 a4")
  ("C19b" "French: Winawer, Smyslov, 7...Qa5" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 a4 Qa5")
  ("C19c" "French: Winawer, 6...Ne7 7.Nf3" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Nf3")
  ("C19d" "French: Winawer, 6...Ne7 7.Nf3 Qc7" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Nf3 Qc7")
  ("C19e" "French: Winawer, 6...Ne7 7.Nf3 Qc7 8.a4" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Nf3 Qc7 a4")
  ("C19f" "French: Winawer, 6...Ne7 7.Nf3 Qc7 8.a4 b6" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Nf3 Qc7 a4 b6")
  ("C19g" "French: Winawer, 6...Ne7 7.Nf3 Qa5" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Nf3 Qa5")
  ("C19h" "French: Winawer, 6...Ne7 7.Nf3 b6" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Nf3 b6")
  ("C19h" "French: Winawer, 6...Ne7 7.Nf3 b6 8.a4" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Nf3 b6 a4")
  ("C19i" "French: Winawer, 6...Ne7 7.Nf3 b6 8.Bb5+" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Nf3 b6 Bb5+")
  ("C19j" "French: Winawer, 6...Ne7 7.Nf3 Bd7" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Nf3 Bd7")
  ("C19k" "French: Winawer, 6...Ne7 7.Nf3 Bd7 8.a4" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Nf3 Bd7 a4")
  ("C19l" "French: Winawer, 6...Ne7 7.Nf3 Nbc6" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Nf3 Nbc6")
  ("C19m" "French: Winawer, 6...Ne7 7.Nf3 Nbc6 8.a4" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Nf3 Nbc6 a4")
  ("C19m" "French: Winawer, 6...Ne7 7.Nf3 Nbc6 8.a4 Bd7" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Nf3 Nbc6 a4 Bd7")
  ("C19n" "French: Winawer, 6...Ne7 7.Nf3 Nbc6 8.a4 Qa5" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Nf3 Nbc6 a4 Qa5")
  ("C19n" "French: Winawer, 6...Ne7 7.Nf3 Nbc6 8.a4 Qa5 9.Qd2" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Nf3 Nbc6 a4 Qa5 Qd2")
  ("C19o" "French: Winawer, 6...Ne7 7.Nf3 Nbc6 8.a4 Qa5 9.Qd2 Bd7" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Nf3 Nbc6 a4 Qa5 Qd2 Bd7")
  ("C19p" "French: Winawer, 6...Ne7 7.Nf3 Nbc6 8.a4 Qa5+ 9.Bd2" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Nf3 Nbc6 a4 Qa5 Bd2")
  ("C19q" "French: Winawer, 6...Ne7 7.Nf3 Nbc6 8.a4 Qa5+ 9.Bd2 Bd7" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Nf3 Nbc6 a4 Qa5 Bd2 Bd7")
  ("C19r" "French: Winawer, 6...Ne7 7.Nf3 Nbc6 8.a4 Qa5+ 9.Bd2 Bd7 10.Bb5" "e4 e6 d4 d5 Nc3 Bb4 e5 c5 a3 Bxc3+ bxc3 Ne7 Nf3 Nbc6 a4 Qa5 Bd2 Bd7 Bb5")
  ("C20" "Open Game" "e4 e5")
  ("C20" "Open Game: Mengarini Opening" "e4 e5 a3")
  ("C20" "Open Game: Patzer/Parnham Opening" "e4 e5 Qh5")
  ("C20" "Open Game: Napoleon's Opening" "e4 e5 Qf3")
  ("C20" "Open Game: 2.d3" "e4 e5 d3")
  ("C20" "Open Game: 2.d3 d5" "e4 e5 d3 d5")
  ("C20" "Open Game: 2.c4" "e4 e5 c4")
  ("C20" "Open Game: Lopez/Mcleod Opening" "e4 e5 c3")
  ("C20" "Open Game: Lopez/Mcleod, Lasa Gambit" "e4 e5 c3 f5")
  ("C20" "Open Game: Alapin Opening" "e4 e5 Ne2")
  ("C20" "Open Game: Alapin Opening" "e4 e5 Ne2 Nf6")
  ("C20" "Open Game: Portuguese Opening" "e4 e5 Bb5")
  ("C20" "Open Game: Portuguese, 2...Nf6" "e4 e5 Bb5 Nf6")
  ("C20" "Open Game: Portuguese Gambit" "e4 e5 Bb5 Nf6 d4")
  ("C20" "Open Game: Portuguese, 2...Nc6" "e4 e5 Bb5 Nc6")
  ("C20" "Open Game: Portuguese, 2...c6" "e4 e5 Bb5 c6")
  ("C21" "Centre Game" "e4 e5 d4")
  ("C21" "Centre Game: Maroczy Defence" "e4 e5 d4 d6")
  ("C21" "Centre Game: Maroczy Defence, 3.dxe5" "e4 e5 d4 d6 dxe5")
  ("C21" "Centre Game: Maroczy Defence, Philidor Gambit" "e4 e5 d4 d6 dxe5 Bd7")
  ("C21" "Centre Game: Queenswap line" "e4 e5 d4 d6 dxe5 dxe5 Qxd8+")
  ("C21" "Centre Game" "e4 e5 d4 exd4")
  ("C21" "Centre Game: 3.Nf3" "e4 e5 d4 exd4 Nf3")
  ("C21" "Centre Game: Kieseritsky Variation" "e4 e5 d4 exd4 Nf3 c5 Bc4 b5")
  ("C21" "Centre Game: Halasz Gambit" "e4 e5 d4 exd4 f4")
  ("C21" "Danish Gambit" "e4 e5 d4 exd4 c3")
  ("C21" "Danish Gambit: Svenonius Defence" "e4 e5 d4 exd4 c3 Ne7")
  ("C21" "Danish Gambit: Sörensen Defence" "e4 e5 d4 exd4 c3 d5")
  ("C21" "Danish Gambit: Accepted" "e4 e5 d4 exd4 c3 dxc3")
  ("C21" "Danish Gambit: Accepted, 4.Bc4" "e4 e5 d4 exd4 c3 dxc3 Bc4")
  ("C21" "Danish Gambit: Accepted, 4.Bc4 cxb2 5.Bxb2" "e4 e5 d4 exd4 c3 dxc3 Bc4 cxb2 Bxb2")
  ("C21" "Danish Gambit: Copenhagen Defence" "e4 e5 d4 exd4 c3 dxc3 Bc4 cxb2 Bxb2 Bb4+")
  ("C21" "Danish Gambit: Chigorin Defence" "e4 e5 d4 exd4 c3 dxc3 Bc4 cxb2 Bxb2 Qe7")
  ("C21" "Danish Gambit: Classical Defence" "e4 e5 d4 exd4 c3 dxc3 Bc4 cxb2 Bxb2 Nf6")
  ("C21" "Danish Gambit: Schlechter Defence" "e4 e5 d4 exd4 c3 dxc3 Bc4 cxb2 Bxb2 d5")
  ("C22" "Centre Game" "e4 e5 d4 exd4 Qxd4")
  ("C22" "Centre Game" "e4 e5 d4 exd4 Qxd4 Nc6")
  ("C22" "Centre Game: Hall Variation" "e4 e5 d4 exd4 Qxd4 Nc6 Qc4")
  ("C22" "Centre Game: Paulsen Attack" "e4 e5 d4 exd4 Qxd4 Nc6 Qe3")
  ("C22" "Centre Game: Charousek Variation" "e4 e5 d4 exd4 Qxd4 Nc6 Qe3 Bb4+ c3 Be7")
  ("C22" "Centre Game: Berger Variation" "e4 e5 d4 exd4 Qxd4 Nc6 Qe3 Nf6")
  ("C22" "Centre Game: Kupreichik Variation" "e4 e5 d4 exd4 Qxd4 Nc6 Qe3 Nf6 Nc3 Bb4 Bd2 O-O O-O-O Re8 Bc4 d6 Nh3")
  ("C23" "Bishop's Opening" "e4 e5 Bc4")
  ("C23" "Bishop's Opening: Anderssen Gambit" "e4 e5 Bc4 b5")
  ("C23" "Bishop's Opening: Philidor Counterattack" "e4 e5 Bc4 c6")
  ("C23" "Bishop's Opening: Lisitsin Variation" "e4 e5 Bc4 c6 d4 d5 exd5 cxd5 Bb5+ Bd7 Bxd7+ Nxd7 dxe5 Nxe5 Ne2")
  ("C23" "Bishop's Opening: Calabrese Countergambit" "e4 e5 Bc4 f5")
  ("C23" "Bishop's Opening: Calabrese Countergambit, Jänisch Variation" "e4 e5 Bc4 f5 d3")
  ("C23" "Bishop's Opening: Classical Variation" "e4 e5 Bc4 Bc5")
  ("C23" "Bishop's Opening: 2...Bc5 3.Qe2" "e4 e5 Bc4 Bc5 Qe2")
  ("C23" "Bishop's Opening: Lopez Gambit" "e4 e5 Bc4 Bc5 Qe2 Nc6 c3 Nf6 f4")
  ("C23" "Bishop's Opening: Lewis Gambit" "e4 e5 Bc4 Bc5 d4")
  ("C23" "Bishop's Opening: MacDonnell Gambit" "e4 e5 Bc4 Bc5 b4")
  ("C23" "Bishop's Opening: MacDonnell Double Gambit" "e4 e5 Bc4 Bc5 b4 Bxb4 f4")
  ("C23" "Bishop's Opening: MacDonnell, Four Pawns Gambit" "e4 e5 Bc4 Bc5 b4 Bxb4 f4 exf4 Nf3 Be7 d4 Bh4+ g3 fxg3 O-O gxh2+ Kh1")
  ("C23" "Bishop's Opening: Philidor Variation" "e4 e5 Bc4 Bc5 c3")
  ("C23" "Bishop's Opening: del Rio Variation" "e4 e5 Bc4 Bc5 c3 Qg5")
  ("C23" "Bishop's Opening: Lewis Countergambit" "e4 e5 Bc4 Bc5 c3 d5")
  ("C23" "Bishop's Opening: Lewis Countergambit, Jänisch" "e4 e5 Bc4 Bc5 c3 d5 Bxd5 Nf6 Qf3")
  ("C23" "Bishop's Opening: 2...Bc5 3.c3 Nf6" "e4 e5 Bc4 Bc5 c3 Nf6")
  ("C23" "Bishop's Opening: Pratt Variation" "e4 e5 Bc4 Bc5 c3 Nf6 d4 exd4 e5 d5 exf6 dxc4 Qh5 O-O")
  ("C24" "Bishop's Opening: Berlin Defence" "e4 e5 Bc4 Nf6")
  ("C24" "Bishop's Opening: Greco Gambit" "e4 e5 Bc4 Nf6 f4")
  ("C24" "Bishop's Opening: 3.d3" "e4 e5 Bc4 Nf6 d3")
  ("C24" "Bishop's Opening: 3.d3 d5" "e4 e5 Bc4 Nf6 d3 d5")
  ("C24" "Bishop's Opening: Paulsen Defence" "e4 e5 Bc4 Nf6 d3 c6")
  ("C24" "Bishop's Opening: Paulsen, 4.Nf3" "e4 e5 Bc4 Nf6 d3 c6 Nf3")
  ("C24" "Bishop's Opening: 3.d4" "e4 e5 Bc4 Nf6 d4")
  ("C24" "Bishop's Opening: Urusov Gambit" "e4 e5 Bc4 Nf6 d4 exd4 Nf3")
  ("C24" "Bishop's Opening: Urusov Gambit, Panov Variation" "e4 e5 Bc4 Nf6 d4 exd4 Nf3 d5 exd5 Bb4+ c3 Qe7+")
  ("C24" "Bishop's Opening: Urusov Gambit, Marshall Variation" "e4 e5 Bc4 Nf6 d4 exd4 Nf3 Nxe4 Qxd4 Nf6 Nc3 Nc6 Qh4")
  ("C24" "Bishop's Opening: Urusov Gambit, 6.Bg5 Nc6 Defence" "e4 e5 Bc4 Nf6 d4 exd4 Nf3 Nxe4 Qxd4 Nf6 Bg5 Nc6")
  ("C24" "Bishop's Opening: Urusov Gambit, 7...c6 Defence" "e4 e5 Bc4 Nf6 d4 exd4 Nf3 Nxe4 Qxd4 Nf6 Bg5 Be7 Nc3 c6")
  ("C24" "Bishop's Opening: Urusov Gambit, Larsen Variation" "e4 e5 Bc4 Nf6 d4 exd4 Nf3 Nxe4 Qxd4 Nf6 Bg5 Be7 Nc3 c6 O-O-O d5 Rhe1 O-O Qh4")
  ("C24" "Bishop's Opening: Urusov Gambit, Karpov Variation" "e4 e5 Bc4 Nf6 d4 exd4 Nf3 Nxe4 Qxd4 Nf6 Bg5 Be7 Nc3 c6 O-O-O d5 Rhe1 Be6 Bd3 Nbd7 Qh4 c5")
  ("C24" "Bishop's Opening: Urusov Gambit, Forintos/Haag Variation" "e4 e5 Bc4 Nf6 d4 exd4 Nf3 Nxe4 Qxd4 Nf6 Bg5 Be7 Nc3 c6 O-O-O d5 Rhe1 Be6 Bd3 Nbd7 Qh4 Nc5 Nd4 Ng8")
  ("C24" "Bishop's Opening: Urusov Gambit, 7...Nc6 Defence" "e4 e5 Bc4 Nf6 d4 exd4 Nf3 Nxe4 Qxd4 Nf6 Bg5 Be7 Nc3 Nc6")
  ("C24" "Bishop's Opening: Urusov Gambit, Keres Variation" "e4 e5 Bc4 Nf6 d4 exd4 Nf3 Nxe4 Qxd4 Nf6 Bg5 Be7 Nc3 Nc6 Qh4 d6")
  ("C24" "Bishop's Opening: Urusov Gambit, Estrin Variation" "e4 e5 Bc4 Nf6 d4 exd4 Nf3 Nxe4 Qxd4 Nf6 Bg5 Be7 Nc3 Nc6 Qh4 d5")
  ("C25a" "Vienna Game" "e4 e5 Nc3")
  ("C25b" "Vienna: 2...Bb4" "e4 e5 Nc3 Bb4")
  ("C25b" "Vienna: Zhuravlev" "e4 e5 Nc3 Bb4 Qg4")
  ("C25c" "Vienna: 2...d6" "e4 e5 Nc3 d6")
  ("C25c" "Vienna: 2...d6 3.Bc4" "e4 e5 Nc3 d6 Bc4")
  ("C25d" "Vienna: 2...Bc5" "e4 e5 Nc3 Bc5")
  ("C25d" "Vienna: Hammpe-Meitner" "e4 e5 Nc3 Bc5 Na4")
  ("C25e" "Vienna: 2...Bc5 3.Bc4" "e4 e5 Nc3 Bc5 Bc4")
  ("C25f" "Vienna: 2...Bc5 3.Nf3" "e4 e5 Nc3 Bc5 Nf3")
  ("C25g" "Vienna: 2...Nc6" "e4 e5 Nc3 Nc6")
  ("C25g" "Vienna: Fyfe Gambit" "e4 e5 Nc3 Nc6 d4")
  ("C25h" "Vienna: Paulsen Variation" "e4 e5 Nc3 Nc6 g3")
  ("C25i" "Vienna: Paulsen, 3...Bc5" "e4 e5 Nc3 Nc6 g3 Bc5")
  ("C25j" "Vienna: 2...Nc6 3.Bc4" "e4 e5 Nc3 Nc6 Bc4")
  ("C25j" "Vienna: 2...Nc6 3.Bc4 Bc5" "e4 e5 Nc3 Nc6 Bc4 Bc5")
  ("C25k" "Vienna: 2...Nc6 3.Bc4 Bc5 4.d3" "e4 e5 Nc3 Nc6 Bc4 Bc5 d3")
  ("C25l" "Vienna: 2...Nc6 3.Bc4 Bc5 4.Qg4" "e4 e5 Nc3 Nc6 Bc4 Bc5 Qg4")
  ("C25m" "Vienna: 2...Nc6 3.f4" "e4 e5 Nc3 Nc6 f4")
  ("C25m" "Vienna: 2...Nc6 3.f4" "e4 e5 Nc3 Nc6 f4 exf4")
  ("C25n" "Vienna: Steinitz Gambit" "e4 e5 Nc3 Nc6 f4 exf4 d4")
  ("C25n" "Vienna: Steinitz Gambit, Fraser-Minckwitz Variation" "e4 e5 Nc3 Nc6 f4 exf4 d4 Qh4+ Ke2 b6")
  ("C25o" "Vienna: Steinitz Gambit, Zukertort Defence" "e4 e5 Nc3 Nc6 f4 exf4 d4 Qh4+ Ke2 d5")
  ("C25p" "Vienna: 2...Nc6 3.f4 exf4 4.Nf3" "e4 e5 Nc3 Nc6 f4 exf4 Nf3")
  ("C25p" "Vienna: 2...Nc6 3.f4 exf4 4.Nf3 g5" "e4 e5 Nc3 Nc6 f4 exf4 Nf3 g5")
  ("C25p" "Vienna: Hamppe-Muzio Gambit" "e4 e5 Nc3 Nc6 f4 exf4 Nf3 g5 Bc4 g4 O-O")
  ("C25p" "Vienna: Hamppe-Muzio, Dubois Variation" "e4 e5 Nc3 Nc6 f4 exf4 Nf3 g5 Bc4 g4 O-O gxf3 Qxf3 Ne5 Qxf4 Qf6")
  ("C25q" "Vienna: Hamppe-Allgaier Gambit" "e4 e5 Nc3 Nc6 f4 exf4 Nf3 g5 h4")
  ("C25q" "Vienna: Hamppe-Allgaier Gambit, Alapin Variation" "e4 e5 Nc3 Nc6 f4 exf4 Nf3 g5 h4 g4 Ng5 d6")
  ("C25r" "Vienna: Pierce Gambit" "e4 e5 Nc3 Nc6 f4 exf4 Nf3 g5 d4")
  ("C25r" "Vienna: Pierce Gambit, Rushmere Attack" "e4 e5 Nc3 Nc6 f4 exf4 Nf3 g5 d4 g4 Bc4 gxf3 O-O d5 exd5 Bg4 dxc6")
  ("C26a" "Vienna: 2...Nf6" "e4 e5 Nc3 Nf6")
  ("C26a" "Vienna: Mengarini Variation" "e4 e5 Nc3 Nf6 a3")
  ("C26b" "Vienna: 2...Nf6 3.d3" "e4 e5 Nc3 Nf6 d3")
  ("C26c" "Vienna: Smyslov Variation" "e4 e5 Nc3 Nf6 g3")
  ("C26d" "Vienna: Smyslov, 3...Nc6" "e4 e5 Nc3 Nf6 g3 Nc6")
  ("C26d" "Vienna: Smyslov, 3...Nc6" "e4 e5 Nc3 Nf6 g3 Nc6 Bg2")
  ("C26e" "Vienna: Smyslov, 3...Bc5" "e4 e5 Nc3 Nf6 g3 Bc5")
  ("C26e" "Vienna: Smyslov, 3...Bc5" "e4 e5 Nc3 Nf6 g3 Bc5 Bg2")
  ("C26f" "Vienna: Smyslov, 3...Bc5 4.Bg2 d6" "e4 e5 Nc3 Nf6 g3 Bc5 Bg2 d6")
  ("C26g" "Vienna: Smyslov, 3...Bc5 4.Bg2 O-O" "e4 e5 Nc3 Nf6 g3 Bc5 Bg2 O-O")
  ("C26h" "Vienna: Smyslov, 3...Bc5 4.Bg2 Nc6" "e4 e5 Nc3 Nf6 g3 Bc5 Bg2 Nc6")
  ("C26h" "Vienna: Smyslov, 3...Bc5 4.Bg2 Nc6 5.Nge2" "e4 e5 Nc3 Nf6 g3 Bc5 Bg2 Nc6 Nge2")
  ("C26i" "Vienna: Smyslov, 3...d5" "e4 e5 Nc3 Nf6 g3 d5")
  ("C26i" "Vienna: Smyslov, 3...d5" "e4 e5 Nc3 Nf6 g3 d5 exd5 Nxd5 Bg2")
  ("C26j" "Vienna: Smyslov, 3...d5, 5...Nxc3" "e4 e5 Nc3 Nf6 g3 d5 exd5 Nxd5 Bg2 Nxc3")
  ("C26k" "Vienna: Smyslov, 3...d5, 5...Nxc3 6.bxc3 Bd6" "e4 e5 Nc3 Nf6 g3 d5 exd5 Nxd5 Bg2 Nxc3 bxc3 Bd6")
  ("C26l" "Vienna: 3.Bc4" "e4 e5 Nc3 Nf6 Bc4")
  ("C26l" "Vienna: Horwitz Gambit" "e4 e5 Nc3 Nf6 Bc4 b5")
  ("C26m" "Vienna: 3.Bc4 Bb4" "e4 e5 Nc3 Nf6 Bc4 Bb4")
  ("C26n" "Vienna: 3.Bc4 Bb4 4.Nf3" "e4 e5 Nc3 Nf6 Bc4 Bb4 Nf3")
  ("C26o" "Vienna: 3.Bc4 Bb4 4.Nf3 O-O" "e4 e5 Nc3 Nf6 Bc4 Bb4 Nf3 O-O")
  ("C26p" "Vienna: 3.Bc4 Bc5" "e4 e5 Nc3 Nf6 Bc4 Bc5")
  ("C26p" "Vienna: 3.Bc4 Bc5 4.f4" "e4 e5 Nc3 Nf6 Bc4 Bc5 f4")
  ("C26q" "Vienna: 3.Bc4 Bc5 4.Nf3" "e4 e5 Nc3 Nf6 Bc4 Bc5 Nf3")
  ("C26r" "Vienna: 3.Bc4 Bc5 4.d3" "e4 e5 Nc3 Nf6 Bc4 Bc5 d3")
  ("C26s" "Vienna: 3.Bc4 Bc5 4.d3 d6" "e4 e5 Nc3 Nf6 Bc4 Bc5 d3 d6")
  ("C26t" "Vienna: 3.Bc4 Bc5 4.d3 d6 5.Na4" "e4 e5 Nc3 Nf6 Bc4 Bc5 d3 d6 Na4")
  ("C26u" "Vienna: 3.Bc4 Bc5 4.d3 d6 5.f4" "e4 e5 Nc3 Nf6 Bc4 Bc5 d3 d6 f4")
  ("C27a" "Vienna: 3.Bc4 Nxe4" "e4 e5 Nc3 Nf6 Bc4 Nxe4")
  ("C27b" "Vienna: 3.Bc4 Nxe4 4.Nxe4" "e4 e5 Nc3 Nf6 Bc4 Nxe4 Nxe4")
  ("C27c" "Vienna: 3.Bc4 Nxe4 4.Qh5" "e4 e5 Nc3 Nf6 Bc4 Nxe4 Qh5")
  ("C27d" "Vienna: 3.Bc4 Nxe4 4.Qh5 Nd6 5.Qxe5+" "e4 e5 Nc3 Nf6 Bc4 Nxe4 Qh5 Nd6 Qxe5+")
  ("C27e" "Vienna: 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3" "e4 e5 Nc3 Nf6 Bc4 Nxe4 Qh5 Nd6 Bb3")
  ("C27f" "Vienna: 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3 Be7" "e4 e5 Nc3 Nf6 Bc4 Nxe4 Qh5 Nd6 Bb3 Be7")
  ("C27g" "Vienna: Alekhine Variation" "e4 e5 Nc3 Nf6 Bc4 Nxe4 Qh5 Nd6 Bb3 Be7 Nf3 Nc6 Nxe5")
  ("C27h" "Vienna: 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3 Nc6" "e4 e5 Nc3 Nf6 Bc4 Nxe4 Qh5 Nd6 Bb3 Nc6")
  ("C27h" "Vienna: Adams' Gambit" "e4 e5 Nc3 Nf6 Bc4 Nxe4 Qh5 Nd6 Bb3 Nc6 d4")
  ("C27h" "Vienna: 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3 Nc6" "e4 e5 Nc3 Nf6 Bc4 Nxe4 Qh5 Nd6 Bb3 Nc6 Nb5")
  ("C27i" "Vienna: Frankenstein-Dracula Variation" "e4 e5 Nc3 Nf6 Bc4 Nxe4 Qh5 Nd6 Bb3 Nc6 Nb5 g6 Qf3 f5 Qd5 Qe7 Nxc7+ Kd8 Nxa8")
  ("C27j" "Vienna: Frankenstein-Dracula, 11.d3" "e4 e5 Nc3 Nf6 Bc4 Nxe4 Qh5 Nd6 Bb3 Nc6 Nb5 g6 Qf3 f5 Qd5 Qe7 Nxc7+ Kd8 Nxa8 b6 d3")
  ("C28a" "Vienna: 3.Bc4 Nc6" "e4 e5 Nc3 Nf6 Bc4 Nc6")
  ("C28b" "Vienna: 3.Bc4 Nc6 4.f4" "e4 e5 Nc3 Nf6 Bc4 Nc6 f4")
  ("C28b" "Vienna: Bronstein Gambit" "e4 e5 Nc3 Nf6 Bc4 Nc6 f4 Nxe4 Nf3")
  ("C28c" "Vienna: 3.Bc4 Nc6 4.d3" "e4 e5 Nc3 Nf6 Bc4 Nc6 d3")
  ("C28d" "Vienna: 3.Bc4 Nc6 4.d3 Be7" "e4 e5 Nc3 Nf6 Bc4 Nc6 d3 Be7")
  ("C28e" "Vienna: 3.Bc4 Nc6 4.d3 Na5" "e4 e5 Nc3 Nf6 Bc4 Nc6 d3 Na5")
  ("C28f" "Vienna: 3.Bc4 Nc6 4.d3 Na5 5.Nge2" "e4 e5 Nc3 Nf6 Bc4 Nc6 d3 Na5 Nge2")
  ("C28g" "Vienna: 3.Bc4 Nc6 4.d3 Bc5" "e4 e5 Nc3 Nf6 Bc4 Nc6 d3 Bc5")
  ("C28h" "Vienna: 3.Bc4 Nc6 4.d3 Bc5 5.Bg5" "e4 e5 Nc3 Nf6 Bc4 Nc6 d3 Bc5 Bg5")
  ("C28i" "Vienna: 3.Bc4 Nc6 4.d3 Bc5 5.f4" "e4 e5 Nc3 Nf6 Bc4 Nc6 d3 Bc5 f4")
  ("C28j" "Vienna: 3.Bc4 Nc6 4.d3 Bc5 5.f4 d6 6.Nf3" "e4 e5 Nc3 Nf6 Bc4 Nc6 d3 Bc5 f4 d6 Nf3")
  ("C28k" "Vienna: 3.Bc4 Nc6 4.d3 Bc5 5.f4 d6 6.Nf3 Bg4" "e4 e5 Nc3 Nf6 Bc4 Nc6 d3 Bc5 f4 d6 Nf3 Bg4")
  ("C28l" "Vienna: 3.Bc4 Nc6 4.d3 Bc5 5.f4 d6 6.Nf3 a6" "e4 e5 Nc3 Nf6 Bc4 Nc6 d3 Bc5 f4 d6 Nf3 a6")
  ("C28m" "Vienna: 3.Bc4 Nc6 4.d3 Bb4" "e4 e5 Nc3 Nf6 Bc4 Nc6 d3 Bb4")
  ("C28n" "Vienna: 3.Bc4 Nc6 4.d3 Bb4 5.Nf3" "e4 e5 Nc3 Nf6 Bc4 Nc6 d3 Bb4 Nf3")
  ("C28o" "Vienna: 3.Bc4 Nc6 4.d3 Bb4 5.Bg5" "e4 e5 Nc3 Nf6 Bc4 Nc6 d3 Bb4 Bg5")
  ("C28p" "Vienna: 3.Bc4 Nc6 4.d3 Bb4 5.Ne2" "e4 e5 Nc3 Nf6 Bc4 Nc6 d3 Bb4 Ne2")
  ("C29a" "Vienna Gambit" "e4 e5 Nc3 Nf6 f4")
  ("C29a" "Vienna Gambit: 3...exf4" "e4 e5 Nc3 Nf6 f4 exf4")
  ("C29b" "Vienna Gambit: 3...d6" "e4 e5 Nc3 Nf6 f4 d6")
  ("C29b" "Vienna Gambit: 3...d6 4.Nf3" "e4 e5 Nc3 Nf6 f4 d6 Nf3")
  ("C29c" "Vienna Gambit: 3...d5" "e4 e5 Nc3 Nf6 f4 d5")
  ("C29d" "Vienna Gambit: 3...d5 4.exd5" "e4 e5 Nc3 Nf6 f4 d5 exd5")
  ("C29d" "Vienna Gambit: 3...d5 4.exd5 exf4" "e4 e5 Nc3 Nf6 f4 d5 exd5 exf4")
  ("C29e" "Vienna Gambit: Steinitz Variation" "e4 e5 Nc3 Nf6 f4 d5 d3")
  ("C29f" "Vienna Gambit: 4.fxe5" "e4 e5 Nc3 Nf6 f4 d5 fxe5")
  ("C29f" "Vienna Gambit: 4.fxe5" "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4")
  ("C29g" "Vienna Gambit: Oxford Variation" "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 d3")
  ("C29g" "Vienna Gambit: Wurzburger Trap" "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 d3 Qh4+ g3 Nxg3 Nf3 Qh5 Nxd5")
  ("C29h" "Vienna Gambit: Oxford, 5...Bb4" "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 d3 Bb4")
  ("C29h" "Vienna Gambit: Oxford, 5...Bb4 6.dxe4 Qh4+ 7.Ke2" "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 d3 Bb4 dxe4 Qh4+ Ke2")
  ("C29i" "Vienna Gambit: Oxford, 5...Nxc3" "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 d3 Nxc3")
  ("C29j" "Vienna Gambit: Oxford, 5...Nxc3 6.bxc3 d4" "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 d3 Nxc3 bxc3 d4")
  ("C29k" "Vienna Gambit: Paulsen Attack" "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 Qf3")
  ("C29k" "Vienna Gambit: Paulsen Attack, 5...Nc6" "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 Qf3 Nc6")
  ("C29l" "Vienna Gambit: Paulsen Attack, Bardeleben Variation" "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 Qf3 f5")
  ("C29l" "Vienna Gambit: Paulsen Attack, Heyde Variation" "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 Qf3 f5 d4")
  ("C29m" "Vienna Gambit: Paulsen Attack, 5...Nxc3" "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 Qf3 Nxc3")
  ("C29n" "Vienna Gambit: 5.Nf3" "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 Nf3")
  ("C29o" "Vienna Gambit: 5.Nf3 Bg4" "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 Nf3 Bg4")
  ("C29o" "Vienna Gambit: Kaufmann Variation" "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 Nf3 Bg4 Qe2")
  ("C29p" "Vienna Gambit: 5.Nf3 Bb4" "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 Nf3 Bb4")
  ("C29q" "Vienna Gambit: 5.Nf3 Nc6" "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 Nf3 Nc6")
  ("C29r" "Vienna Gambit: Breyer Variation" "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 Nf3 Be7")
  ("C29s" "Vienna Gambit: Breyer, 6.Qe2" "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 Nf3 Be7 Qe2")
  ("C29t" "Vienna Gambit: Breyer, 6.Qe2 Nxc3" "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 Nf3 Be7 Qe2 Nxc3")
  ("C29t" "Vienna Gambit: Breyer, 6.Qe2 Nxc3 7.dxc3" "e4 e5 Nc3 Nf6 f4 d5 fxe5 Nxe4 Nf3 Be7 Qe2 Nxc3 dxc3")
  ("C30a" "King's Gambit" "e4 e5 f4")
  ("C30b" "King's Gambit: Mafia Defence" "e4 e5 f4 c5")
  ("C30c" "King's Gambit: 2...d6" "e4 e5 f4 d6")
  ("C30c" "King's Gambit: 2...d6 3.Nf3" "e4 e5 f4 d6 Nf3")
  ("C30c" "King's Gambit: 2...d6 3.Nf3 Nc6" "e4 e5 f4 d6 Nf3 Nc6")
  ("C30d" "King's Gambit: Wade Variation" "e4 e5 f4 Nf6")
  ("C30e" "King's Gambit: Norwald Variation" "e4 e5 f4 Qf6")
  ("C30e" "King's Gambit: Norwald Variation, Schubert line" "e4 e5 f4 Qf6 Nc3 Qxf4 d4")
  ("C30e" "King's Gambit: Norwald Variation, Bücker Gambit" "e4 e5 f4 Qf6 Nf3 Qxf4 Nc3 Bb4 Bc4")
  ("C30f" "King's Gambit: Keene Defence" "e4 e5 f4 Qh4+")
  ("C30f" "King's Gambit: Keene Defence, 3.g3 Qe7" "e4 e5 f4 Qh4+ g3 Qe7")
  ("C30g" "King's Gambit: 2...Nc6" "e4 e5 f4 Nc6")
  ("C30h" "King's Gambit: Adelaide-Wahls Variation" "e4 e5 f4 Nc6 Nf3 f5")
  ("C30i" "King's Gambit: Adelaide-Wahls, 4.exf5" "e4 e5 f4 Nc6 Nf3 f5 exf5")
  ("C30i" "King's Gambit: Adelaide-Wahls, 4.exf5 e4" "e4 e5 f4 Nc6 Nf3 f5 exf5 e4")
  ("C30i" "King's Gambit: Adelaide-Wahls, 4.exf5 e4 5.Ne5 Nf6" "e4 e5 f4 Nc6 Nf3 f5 exf5 e4 Ne5 Nf6")
  ("C30j" "King's Gambit: Classical KGD" "e4 e5 f4 Bc5")
  ("C30j" "KGD: Classical, 3.Bc4" "e4 e5 f4 Bc5 Bc4")
  ("C30j" "KGD: Classical, 3.Nf3" "e4 e5 f4 Bc5 Nf3")
  ("C30j" "KGD: Classical, Senechaud Countergambit" "e4 e5 f4 Bc5 Nf3 g5")
  ("C30k" "KGD: Classical, 3.Nf3 d6" "e4 e5 f4 Bc5 Nf3 d6")
  ("C30k" "KGD: Classical, Heath Variation" "e4 e5 f4 Bc5 Nf3 d6 b4")
  ("C30k" "KGD: Classical, Soldatenkov Variation" "e4 e5 f4 Bc5 Nf3 d6 fxe5")
  ("C30l" "KGD: Classical, 3.Nf3 d6 4.Nc3" "e4 e5 f4 Bc5 Nf3 d6 Nc3")
  ("C30l" "KGD: Classical, Hanham Variation" "e4 e5 f4 Bc5 Nf3 d6 Nc3 Nd7")
  ("C30m" "KGD: Classical, 3.Nf3 d6 4.Nc3 Nf6 5.Bc4" "e4 e5 f4 Bc5 Nf3 d6 Nc3 Nf6 Bc4")
  ("C30m" "KGD: Classical, Svenonius Variation" "e4 e5 f4 Bc5 Nf3 d6 Nc3 Nf6 Bc4 Nc6 d3 Bg4 h3 Bxf3 Qxf3 exf4")
  ("C30n" "KGD: Classical, 4.c3" "e4 e5 f4 Bc5 Nf3 d6 c3")
  ("C30n" "KGD: Classical, Marshall Attack" "e4 e5 f4 Bc5 Nf3 d6 c3 Bg4 fxe5 dxe5 Qa4+")
  ("C30o" "KGD: Classical, 4.c3 Bb6" "e4 e5 f4 Bc5 Nf3 d6 c3 Bb6")
  ("C30p" "KGD: Classical, 4.c3 Nf6" "e4 e5 f4 Bc5 Nf3 d6 c3 Nf6")
  ("C30q" "KGD: Classical, 4.c3 Nf6 5.d4" "e4 e5 f4 Bc5 Nf3 d6 c3 Nf6 d4")
  ("C30q" "KGD: Classical, 4.c3 Nf6 5.d4" "e4 e5 f4 Bc5 Nf3 d6 c3 Nf6 d4 Bb6")
  ("C30q" "KGD: Classical, 4.c3 Nf6 5.d4" "e4 e5 f4 Bc5 Nf3 d6 c3 Nf6 d4 exd4 cxd4 Bb6")
  ("C30r" "KGD: Classical Countergambit" "e4 e5 f4 Bc5 Nf3 d6 c3 f5")
  ("C30r" "KGD: Classical, Reti Variation" "e4 e5 f4 Bc5 Nf3 d6 c3 f5 fxe5 dxe5 d4 exd4 Bc4")
  ("C31" "KGD: Falkbeer Countergambit" "e4 e5 f4 d5")
  ("C31" "KGD: Falkbeer, Tartakower Variation" "e4 e5 f4 d5 Nf3")
  ("C31" "KGD: Falkbeer, Milner-Barry Variation" "e4 e5 f4 d5 Nc3")
  ("C31" "KGD: Falkbeer, 3.exd5" "e4 e5 f4 d5 exd5")
  ("C31" "KGD: Falkbeer, 3.exd5 exf4" "e4 e5 f4 d5 exd5 exf4")
  ("C31" "KGD: Falkbeer, Marshall/Nimzowitsch Countergambit" "e4 e5 f4 d5 exd5 c6")
  ("C31" "KGD: Falkbeer, Marshall/Nimzowitsch, 4.dxc6" "e4 e5 f4 d5 exd5 c6 dxc6")
  ("C31" "KGD: Falkbeer, Marshall/Nimzowitsch, 4.Qe2" "e4 e5 f4 d5 exd5 c6 Qe2")
  ("C31" "KGD: Falkbeer, Marshall/Nimzowitsch, 4.Nc3" "e4 e5 f4 d5 exd5 c6 Nc3")
  ("C31" "KGD: Falkbeer, 3.exd5 e4" "e4 e5 f4 d5 exd5 e4")
  ("C31" "KGD: Falkbeer, Rubinstein Variation" "e4 e5 f4 d5 exd5 e4 Nc3 Nf6 Qe2")
  ("C31" "KGD: Falkbeer, Nimzowitsch Variation" "e4 e5 f4 d5 exd5 e4 Bb5+")
  ("C31" "KGD: Falkbeer, 4.d3" "e4 e5 f4 d5 exd5 e4 d3")
  ("C32" "KGD: Falkbeer, 4.d3 Nf6" "e4 e5 f4 d5 exd5 e4 d3 Nf6")
  ("C32" "KGD: Falkbeer, Keres Variation" "e4 e5 f4 d5 exd5 e4 d3 Nf6 Nd2")
  ("C32" "KGD: Falkbeer, Keres, 5...exd3" "e4 e5 f4 d5 exd5 e4 d3 Nf6 Nd2 exd3")
  ("C32" "KGD: Falkbeer, Reti Variation" "e4 e5 f4 d5 exd5 e4 d3 Nf6 Qe2")
  ("C32" "KGD: Falkbeer, 4.d3 Nf6 5.Nc3" "e4 e5 f4 d5 exd5 e4 d3 Nf6 Nc3")
  ("C32" "KGD: Falkbeer, 4.d3 Nf6 5.Nc3 Bb4" "e4 e5 f4 d5 exd5 e4 d3 Nf6 Nc3 Bb4")
  ("C32" "KGD: Falkbeer, Morphy Gambit" "e4 e5 f4 d5 exd5 e4 d3 Nf6 Nc3 Bb4 Bd2 e3")
  ("C32" "KGD: Falkbeer, 5.dxe4" "e4 e5 f4 d5 exd5 e4 d3 Nf6 dxe4")
  ("C32" "KGD: Falkbeer, Charousek Variation" "e4 e5 f4 d5 exd5 e4 d3 Nf6 dxe4 Nxe4 Qe2")
  ("C32" "KGD: Falkbeer, 5.dxe4 Nxe4 6.Be3" "e4 e5 f4 d5 exd5 e4 d3 Nf6 dxe4 Nxe4 Be3")
  ("C32" "KGD: Falkbeer, 5.dxe4 Nxe4 6.Nf3" "e4 e5 f4 d5 exd5 e4 d3 Nf6 dxe4 Nxe4 Nf3")
  ("C32" "KGD: Falkbeer, 5.dxe4 Nxe4 6.Nf3 Bc5 7.Qe2" "e4 e5 f4 d5 exd5 e4 d3 Nf6 dxe4 Nxe4 Nf3 Bc5 Qe2")
  ("C32" "KGD: Falkbeer, Alapin Variation" "e4 e5 f4 d5 exd5 e4 d3 Nf6 dxe4 Nxe4 Nf3 Bc5 Qe2 Bf2+ Kd1 Qxd5+ Nfd2")
  ("C32" "KGD: Falkbeer, Main Line, 7...Bf5" "e4 e5 f4 d5 exd5 e4 d3 Nf6 dxe4 Nxe4 Nf3 Bc5 Qe2 Bf5")
  ("C32" "KGD: Falkbeer, Tarrasch Variation" "e4 e5 f4 d5 exd5 e4 d3 Nf6 dxe4 Nxe4 Nf3 Bc5 Qe2 Bf5 g4 O-O")
  ("C32" "KGD: Falkbeer, Main Line, 7...Bf5 8.Nc3" "e4 e5 f4 d5 exd5 e4 d3 Nf6 dxe4 Nxe4 Nf3 Bc5 Qe2 Bf5 Nc3")
  ("C33" "King's Gambit Accepted (KGA)" "e4 e5 f4 exf4")
  ("C33" "KGA: Tumbleweed/Drunken King" "e4 e5 f4 exf4 Kf2")
  ("C33" "KGA: Orsini Gambit" "e4 e5 f4 exf4 b3")
  ("C33" "KGA: Stamma (Leonardo) Gambit" "e4 e5 f4 exf4 h4")
  ("C33" "KGA: Schurig Gambit" "e4 e5 f4 exf4 Bd3")
  ("C33" "KGA: Basman Gambit" "e4 e5 f4 exf4 Qe2")
  ("C33" "KGA: Carrera Gambit" "e4 e5 f4 exf4 Qh5")
  ("C33" "KGA: Eisenberg Gambit" "e4 e5 f4 exf4 Nh3")
  ("C33" "KGA: Eisenberg Gambit" "e4 e5 f4 exf4 Ne2")
  ("C33" "KGA: Villemson Gambit" "e4 e5 f4 exf4 d4")
  ("C33" "KGA: Keres Gambit" "e4 e5 f4 exf4 Nc3")
  ("C33" "KGA: Breyer Gambit" "e4 e5 f4 exf4 Qf3")
  ("C33" "KGA: Lesser Bishop's (Tartakower) Gambit" "e4 e5 f4 exf4 Be2")
  ("C33" "KGA: Bishop's Gambit" "e4 e5 f4 exf4 Bc4")
  ("C33" "KGA: Bishop's Gambit, Chigorin Attack" "e4 e5 f4 exf4 Bc4 Qh4+ Kf1 d5 Bxd5 g5 g3")
  ("C33" "KGA: Bishop's Gambit, Greco Variation" "e4 e5 f4 exf4 Bc4 Qh4+ Kf1 Bc5")
  ("C33" "KGA: Bishop's Gambit, Classical Defence" "e4 e5 f4 exf4 Bc4 Qh4+ Kf1 g5")
  ("C33" "KGA: Bishop's Gambit, Grimm Attack" "e4 e5 f4 exf4 Bc4 Qh4+ Kf1 g5 Nc3 Bg7 d4 d6 e5")
  ("C33" "KGA: Bishop's Gambit, Classical Defence" "e4 e5 f4 exf4 Bc4 Qh4+ Kf1 g5 Nc3 Bg7 d4 Ne7")
  ("C33" "KGA: Bishop's Gambit, McDonnell Attack" "e4 e5 f4 exf4 Bc4 Qh4+ Kf1 g5 Nc3 Bg7 d4 Ne7 g3")
  ("C33" "KGA: bishop's Gambit, McDonnell Attack" "e4 e5 f4 exf4 Bc4 Qh4+ Kf1 g5 Nc3 Bg7 g3")
  ("C33" "KGA: Bishop's Gambit, Fraser Variation" "e4 e5 f4 exf4 Bc4 Qh4+ Kf1 g5 Nc3 Bg7 g3 fxg3 Qf3")
  ("C33" "KGA: Bishop's Gambit, Classical Defence, Cozio Attack" "e4 e5 f4 exf4 Bc4 Qh4+ Kf1 g5 Qf3")
  ("C33" "KGA: Bishop's Gambit, Boden Defence" "e4 e5 f4 exf4 Bc4 Qh4+ Kf1 Nc6")
  ("C33" "KGA: Bishop's Gambit, Bryan Countergambit" "e4 e5 f4 exf4 Bc4 Qh4+ Kf1 b5")
  ("C33" "KGA: Bishop's Gambit, Bryan Countergambit" "e4 e5 f4 exf4 Bc4 b5")
  ("C33" "KGA: Bishop's Gambit, Steinitz Defence" "e4 e5 f4 exf4 Bc4 Ne7")
  ("C33" "KGA: Bishop's Gambit, Maurian Defence" "e4 e5 f4 exf4 Bc4 Nc6")
  ("C33" "KGA: Bishop's Gambit, Ruy Lopez Defence" "e4 e5 f4 exf4 Bc4 c6")
  ("C33" "KGA: Bishop's Gambit, Lopez-Gianutio Countergambit" "e4 e5 f4 exf4 Bc4 f5")
  ("C33" "KGA: Bishop's Gambit, Lopez-Gianutio Countergambit, Hein Variation" "e4 e5 f4 exf4 Bc4 f5 Qe2 Qh4+ Kd1 fxe4 Nc3 Kd8")
  ("C33" "KGA: Bishop's Gambit, Bledow Variation" "e4 e5 f4 exf4 Bc4 d5")
  ("C33" "KGA: Bishop's Gambit, Bledow, 4.exd5" "e4 e5 f4 exf4 Bc4 d5 exd5")
  ("C33" "KGA: Bishop's Gambit, Bledow, 4.Bxd5" "e4 e5 f4 exf4 Bc4 d5 Bxd5")
  ("C33" "KGA: Bishop's Gambit, Boren-Svenonius Variation" "e4 e5 f4 exf4 Bc4 d5 Bxd5 Qh4+ Kf1 Bd6")
  ("C33" "KGA: Bishop's Gambit, Anderssen Variation" "e4 e5 f4 exf4 Bc4 d5 Bxd5 c6")
  ("C33" "KGA: Bishop's Gambit, Morphy Variation" "e4 e5 f4 exf4 Bc4 d5 Bxd5 Nf6")
  ("C33" "KGA: Bishop's Gambit, Cozio Defence" "e4 e5 f4 exf4 Bc4 Nf6")
  ("C33" "KGA: Bishop's Gambit, Bogoljubow Variation" "e4 e5 f4 exf4 Bc4 Nf6 Nc3")
  ("C33" "KGA: Bishop's Gambit, Paulsen Attack" "e4 e5 f4 exf4 Bc4 Nf6 Nc3 Bb4 e5")
  ("C33" "KGA: Bishop's Gambit, Jänisch Variation" "e4 e5 f4 exf4 Bc4 Nf6 Nc3 c6")
  ("C34" "KGA: King's Knight Gambit" "e4 e5 f4 exf4 Nf3")
  ("C34" "KGA: Bonsch-Osmolovsky Variation" "e4 e5 f4 exf4 Nf3 Ne7")
  ("C34" "KGA: Gianutio Countergambit" "e4 e5 f4 exf4 Nf3 f5")
  ("C34" "KGA: Becker Defence (Anti-Kieseritzky)" "e4 e5 f4 exf4 Nf3 h6")
  ("C34" "KGA: Schallop Defence" "e4 e5 f4 exf4 Nf3 Nf6")
  ("C34" "KGA: Fischer Defence" "e4 e5 f4 exf4 Nf3 d6")
  ("C34" "KGA: Fischer, 4.Bc4" "e4 e5 f4 exf4 Nf3 d6 Bc4")
  ("C34" "KGA: Fischer, 4.d4" "e4 e5 f4 exf4 Nf3 d6 d4")
  ("C34" "KGA: Fischer, Main Line" "e4 e5 f4 exf4 Nf3 d6 d4 g5 h4 g4 Ng1")
  ("C35" "KGA: Cunningham Defence" "e4 e5 f4 exf4 Nf3 Be7")
  ("C35" "KGA: Cunningham, Bertin Gambit" "e4 e5 f4 exf4 Nf3 Be7 Bc4 Bh4+ g3")
  ("C35" "KGA: Cunningham, Three Pawns Gambit" "e4 e5 f4 exf4 Nf3 Be7 Bc4 Bh4+ g3 fxg3 O-O gxh2+ Kh1")
  ("C35" "KGA: Cunningham, Euwe Defence" "e4 e5 f4 exf4 Nf3 Be7 Bc4 Nf6")
  ("C36" "KGA: Scandinavian (Abbazia) Variation" "e4 e5 f4 exf4 Nf3 d5")
  ("C36" "KGA: Scandinavian, 4.exd5" "e4 e5 f4 exf4 Nf3 d5 exd5")
  ("C36" "KGA: Scandinavian, 4.exd5 Bd6" "e4 e5 f4 exf4 Nf3 d5 exd5 Bd6")
  ("C36" "KGA: Scandinavian, Modern Variation" "e4 e5 f4 exf4 Nf3 d5 exd5 Nf6")
  ("C36" "KGA: Scandinavian, Modern, 5.Bc4" "e4 e5 f4 exf4 Nf3 d5 exd5 Nf6 Bc4")
  ("C36" "KGA: Scandinavian, Modern, 5.Nc3" "e4 e5 f4 exf4 Nf3 d5 exd5 Nf6 Nc3")
  ("C36" "KGA: Scandinavian, Modern, 5.Bb5+ " "e4 e5 f4 exf4 Nf3 d5 exd5 Nf6 Bb5+")
  ("C36" "KGA: Scandinavian, Modern, 5.Bb5+ c6" "e4 e5 f4 exf4 Nf3 d5 exd5 Nf6 Bb5+ c6")
  ("C36" "KGA: Scandinavian, Modern, 5.Bb5+ c6 6.dxc6 Nxc6" "e4 e5 f4 exf4 Nf3 d5 exd5 Nf6 Bb5+ c6 dxc6 Nxc6")
  ("C36" "KGA: Scandinavian, Modern, 5.Bb5+ c6 6.dxc6 bxc6" "e4 e5 f4 exf4 Nf3 d5 exd5 Nf6 Bb5+ c6 dxc6 bxc6")
  ("C36" "KGA: Scandinavian, Botvinnik Variation" "e4 e5 f4 exf4 Nf3 d5 exd5 Nf6 Bb5+ c6 dxc6 bxc6 Bc4 Nd5")
  ("C37" "KGA: 3.Nf3 g5" "e4 e5 f4 exf4 Nf3 g5")
  ("C37" "KGA: Quaade Gambit" "e4 e5 f4 exf4 Nf3 g5 Nc3")
  ("C37" "KGA: Rosentreter Gambit" "e4 e5 f4 exf4 Nf3 g5 d4")
  ("C37" "KGA: Sörensen Gambit" "e4 e5 f4 exf4 Nf3 g5 d4 g4 Ne5")
  ("C37" "KGA: 3.Nf3 g5 4.Bc4" "e4 e5 f4 exf4 Nf3 g5 Bc4")
  ("C37" "KGA: Blachly Gambit" "e4 e5 f4 exf4 Nf3 g5 Bc4 Nc6")
  ("C37" "KGA: 3.Nf3 g5 4.Bc4 g4" "e4 e5 f4 exf4 Nf3 g5 Bc4 g4")
  ("C37" "KGA: Lolli Gambit (Wild Muzio)" "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 Bxf7+")
  ("C37" "KGA: Lolli Gambit, Young Variation" "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 Bxf7+ Kxf7 O-O gxf3 Qxf3 Qf6 d4 Qxd4+ Be3 Qf6 Nc3")
  ("C37" "KGA: Ghulam-Kassim Gambit" "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 d4")
  ("C37" "KGA: MacDonnell Gambit" "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 Nc3")
  ("C37" "KGA: Salvio Gambit" "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 Ne5")
  ("C37" "KGA: Salvio, Silberschmidt Gambit" "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 Ne5 Qh4+ Kf1 Nh6 d4 f3")
  ("C37" "KGA: Salvio, Anderssen Counterattack" "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 Ne5 Qh4+ Kf1 Nh6 d4 d6")
  ("C37" "KGA: Salvio, Cochrane Gambit" "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 Ne5 Qh4+ Kf1 f3")
  ("C37" "KGA: Salvio, Herzfeld Gambit" "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 Ne5 Qh4+ Kf1 Nc6")
  ("C37" "KGA: Muzio Gambit" "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 O-O")
  ("C37" "KGA: Muzio Gambit, Paulsen Variation" "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 O-O gxf3 Qxf3 Qf6 e5 Qxe5 d3 Bh6 Nc3 Ne7 Bd2 Nbc6 Rae1")
  ("C37" "KGA: Double Muzio Gambit" "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 O-O gxf3 Qxf3 Qf6 e5 Qxe5 Bxf7+")
  ("C37" "KGA: Muzio Gambit, From Defence" "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 O-O gxf3 Qxf3 Qe7")
  ("C37" "KGA: Muzio Gambit, Holloway Defence" "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 O-O gxf3 Qxf3 Nc6")
  ("C37" "KGA: Muzio Gambit, Kling and Horwitz Counterattack" "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 O-O Qe7")
  ("C37" "KGA: Muzio Gambit, Brentano Defence" "e4 e5 f4 exf4 Nf3 g5 Bc4 g4 O-O d5")
  ("C38" "KGA: 3.Nf3 g5 4.Bc4 Bg7" "e4 e5 f4 exf4 Nf3 g5 Bc4 Bg7")
  ("C38" "KGA: Hanstein Gambit" "e4 e5 f4 exf4 Nf3 g5 Bc4 Bg7 d4")
  ("C38" "KGA: Hanstein Gambit" "e4 e5 f4 exf4 Nf3 g5 Bc4 Bg7 O-O h6 d4 d6")
  ("C38" "KGA: Philidor Gambit" "e4 e5 f4 exf4 Nf3 g5 Bc4 Bg7 h4")
  ("C38" "KGA: Greco Gambit" "e4 e5 f4 exf4 Nf3 g5 Bc4 Bg7 h4 h6 d4 d6 Nc3 c6 hxg5 hxg5 Rxh8 Bxh8 Ne5")
  ("C38" "KGA: Philidor Gambit, Schultz Variation" "e4 e5 f4 exf4 Nf3 g5 Bc4 Bg7 h4 h6 d4 d6 Qd3")
  ("C39" "KGA: 3.Nf3 g5 4.h4" "e4 e5 f4 exf4 Nf3 g5 h4")
  ("C39" "KGA: Allgaier Gambit" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ng5")
  ("C39" "KGA: Allgaier, Horny Defence" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ng5 h6 Nxf7 Kxf7 Qxg4 Nf6 Qxf4 Bd6")
  ("C39" "KGA: Allgaier, Thorold Variation" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ng5 h6 Nxf7 Kxf7 d4")
  ("C39" "KGA: Allgaier, Cook Variation" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ng5 h6 Nxf7 Kxf7 d4 d5 Bxf4 dxe4 Bc4+ Kg7 Be5+")
  ("C39" "KGA: Allgaier, Blackburne Gambit" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ng5 h6 Nxf7 Kxf7 Nc3")
  ("C39" "KGA: Allgaier, Walker Attack" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ng5 h6 Nxf7 Kxf7 Bc4+")
  ("C39" "KGA: Allgaier, Urusov Attack" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ng5 h6 Nxf7 Kxf7 Bc4+ d5 Bxd5+ Kg7 d4")
  ("C39" "KGA: Allgaier, Schlechter Defence" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ng5 Nf6")
  ("C39" "KGA: Kieseritsky" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5")
  ("C39" "KGA: Kieseritsky, Green Variation" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5 d6")
  ("C39" "KGA: Kieseritsky, Paulsen Defence" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5 Bg7")
  ("C39" "KGA: Kieseritsky, Long Whip Defence" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5 h5")
  ("C39" "KGA: Kieseritsky, Long Whip Defence, Jänisch Variation" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5 h5 Bc4 Rh7 d4 Bh6 Nc3")
  ("C39" "KGA: Kieseritsky, Brentano (Campbell) Defence" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5 d5")
  ("C39" "KGA: Kieseritsky, Brentano Defence, Kaplanek Variation" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5 d5 d4 Nf6 exd5 Qxd5 Nc3 Bb4 Kf2")
  ("C39" "KGA: Kieseritsky, Brentano Defence" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5 d5 d4 Nf6 Bxf4")
  ("C39" "KGA: Kieseritsky, Brentano Defence, Caro Variation" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5 d5 d4 Nf6 Bxf4 Nxe4 Nd2")
  ("C39" "KGA: Kieseritsky, Salvio (Rosenthal) Defence" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5 Qe7")
  ("C39" "KGA: Kieseritsky, Salvio Defence, Cozio Variation" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5 Qe7 d4 f5 Bc4")
  ("C39" "KGA: Kieseritsky, Polerio Defence" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5 Be7")
  ("C39" "KGA: Kieseritsky, Neumann Defence" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5 Nc6")
  ("C39" "KGA: Kieseritsky, Berlin Defence" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5 Nf6")
  ("C39" "KGA: Kieseritsky, Berlin Defence, Riviere Variation" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5 Nf6 Nxg4 d5")
  ("C39" "KGA: Kieseritsky, Berlin Defence, 6.Bc4" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5 Nf6 Bc4")
  ("C39" "KGA: Kieseritsky, Rice Gambit" "e4 e5 f4 exf4 Nf3 g5 h4 g4 Ne5 Nf6 Bc4 d5 exd5 Bd6 O-O")
  ("C40a" "Open Game" "e4 e5 Nf3")
  ("C40a" "Open Game: Damiano Defence" "e4 e5 Nf3 f6")
  ("C40b" "Open Game: Greco Defence" "e4 e5 Nf3 Qf6")
  ("C40c" "Open Game: Gunderam Defence" "e4 e5 Nf3 Qe7")
  ("C40d" "Elephant Gambit" "e4 e5 Nf3 d5")
  ("C40e" "Elephant Gambit: 3.Nxe5" "e4 e5 Nf3 d5 Nxe5")
  ("C40e" "Elephant Gambit: 3.Nxe5 dxe4 4.Bc4" "e4 e5 Nf3 d5 Nxe5 dxe4 Bc4")
  ("C40f" "Elephant Gambit: 3.exd5" "e4 e5 Nf3 d5 exd5")
  ("C40g" "Elephant Gambit: Maroczy" "e4 e5 Nf3 d5 exd5 Bd6")
  ("C40h" "Elephant Gambit: Paulsen" "e4 e5 Nf3 d5 exd5 e4")
  ("C40i" "Latvian Gambit" "e4 e5 Nf3 f5")
  ("C40j" "Latvian Gambit: 3.d3" "e4 e5 Nf3 f5 d3")
  ("C40k" "Latvian Gambit: 3.Nc3" "e4 e5 Nf3 f5 Nc3")
  ("C40l" "Latvian Gambit: 3.d4" "e4 e5 Nf3 f5 d4")
  ("C40l" "Latvian Gambit: 3.d4 fxe4 5.Nxe5 Nf6" "e4 e5 Nf3 f5 d4 fxe4 Nxe5 Nf6")
  ("C40m" "Latvian Gambit: 3.exf5" "e4 e5 Nf3 f5 exf5")
  ("C40m" "Latvian Gambit: 3.exf5 e4" "e4 e5 Nf3 f5 exf5 e4")
  ("C40n" "Latvian Gambit: 3.Bc4" "e4 e5 Nf3 f5 Bc4")
  ("C40n" "Latvian Gambit: Strautins Variation" "e4 e5 Nf3 f5 Bc4 b5")
  ("C40n" "Latvian Gambit: Morgado Variation" "e4 e5 Nf3 f5 Bc4 Nf6")
  ("C40o" "Latvian Gambit: 3.Bc4 fxe4" "e4 e5 Nf3 f5 Bc4 fxe4")
  ("C40o" "Latvian: Blackburne Variation (Corkscrew Countergambit)" "e4 e5 Nf3 f5 Bc4 fxe4 Nxe5 Nf6")
  ("C40o" "Latvian Gambit: Svedenborg Variation" "e4 e5 Nf3 f5 Bc4 fxe4 Nxe5 d5")
  ("C40o" "Latvian Gambit: Svedenborg, 6.Nxg6 Nf6" "e4 e5 Nf3 f5 Bc4 fxe4 Nxe5 d5 Qh5+ g6 Nxg6 Nf6")
  ("C40o" "Latvian Gambit: Svedenborg, 6.Nxg6 hxg6" "e4 e5 Nf3 f5 Bc4 fxe4 Nxe5 d5 Qh5+ g6 Nxg6 hxg6")
  ("C40p" "Latvian Gambit: Poisoned Pawn Variation" "e4 e5 Nf3 f5 Bc4 fxe4 Nxe5 Qg5")
  ("C40p" "Latvian Gambit: Poisoned Pawn, Main Line" "e4 e5 Nf3 f5 Bc4 fxe4 Nxe5 Qg5 d4 Qxg2 Qh5+ g6 Bf7+ Kd8")
  ("C40q" "Latvian Gambit: 3.Nxe5" "e4 e5 Nf3 f5 Nxe5")
  ("C40r" "Latvian Gambit: 3.Nxe5 Nc6" "e4 e5 Nf3 f5 Nxe5 Nc6")
  ("C40s" "Latvian Gambit: 3.Nxe5 Qf6" "e4 e5 Nf3 f5 Nxe5 Qf6")
  ("C40s" "Latvian Gambit: 3.Nxe5 Qf6 4.Nc4" "e4 e5 Nf3 f5 Nxe5 Qf6 Nc4")
  ("C40t" "Latvian Gambit: 3.Nxe5 Qf6 4.d4" "e4 e5 Nf3 f5 Nxe5 Qf6 d4")
  ("C40t" "Latvian Gambit: 3.Nxe5 Qf6 4.d4 d6" "e4 e5 Nf3 f5 Nxe5 Qf6 d4 d6")
  ("C40t" "Latvian Gambit: 3.Nxe5 Qf6 4.d4 d6 5.Nc4" "e4 e5 Nf3 f5 Nxe5 Qf6 d4 d6 Nc4")
  ("C40t" "Latvian Gambit: 3.Nxe5 Qf6 4.d4 d6 5.Nc4 fxe4" "e4 e5 Nf3 f5 Nxe5 Qf6 d4 d6 Nc4 fxe4")
  ("C40u" "Latvian Gambit: 3.Nxe5 Qf6 4.d4 d6 5.Nc4 fxe4 6.Be2" "e4 e5 Nf3 f5 Nxe5 Qf6 d4 d6 Nc4 fxe4 Be2")
  ("C40v" "Latvian Gambit: Nimzowitsch Variation" "e4 e5 Nf3 f5 Nxe5 Qf6 d4 d6 Nc4 fxe4 Ne3")
  ("C40w" "Latvian Gambit: 3.Nxe5 Qf6 4.d4 d6 5.Nc4 fxe4 6.Nc3" "e4 e5 Nf3 f5 Nxe5 Qf6 d4 d6 Nc4 fxe4 Nc3")
  ("C41a" "Philidor Defence" "e4 e5 Nf3 d6")
  ("C41b" "Philidor: 3.Bc4" "e4 e5 Nf3 d6 Bc4")
  ("C41b" "Philidor: Steinitz Variation" "e4 e5 Nf3 d6 Bc4 Be7 c3")
  ("C41b" "Philidor: Lopez Countergambit" "e4 e5 Nf3 d6 Bc4 f5")
  ("C41b" "Philidor: Lopez Countergambit, Jänisch Variation" "e4 e5 Nf3 d6 Bc4 f5 d4 exd4 Ng5 Nh6 Nxh7")
  ("C41c" "Philidor: 3.d4" "e4 e5 Nf3 d6 d4")
  ("C41d" "Philidor: Philidor Countergambit" "e4 e5 Nf3 d6 d4 f5")
  ("C41d" "Philidor: Philidor Countergambit, Zukertort Variation" "e4 e5 Nf3 d6 d4 f5 Nc3")
  ("C41e" "Philidor: Philidor Countergambit, 4.dxe5" "e4 e5 Nf3 d6 d4 f5 dxe5")
  ("C41e" "Philidor: Philidor Countergambit, Steinitz Variation" "e4 e5 Nf3 d6 d4 f5 dxe5 fxe4 Ng5 d5 Nc3")
  ("C41e" "Philidor: Philidor Countergambit, del Rio Attack" "e4 e5 Nf3 d6 d4 f5 dxe5 fxe4 Ng5 d5 e6")
  ("C41e" "Philidor: Philidor Countergambit, Berger Variation" "e4 e5 Nf3 d6 d4 f5 dxe5 fxe4 Ng5 d5 e6 Bc5 Nc3")
  ("C41f" "Philidor: Hanham Variation" "e4 e5 Nf3 d6 d4 Nd7")
  ("C41f" "Philidor: Hanham, 4.Bc4" "e4 e5 Nf3 d6 d4 Nd7 Bc4")
  ("C41g" "Philidor: Hanham, 4.Bc4 c6" "e4 e5 Nf3 d6 d4 Nd7 Bc4 c6")
  ("C41g" "Philidor: Hanham, Krause Variation" "e4 e5 Nf3 d6 d4 Nd7 Bc4 c6 O-O")
  ("C41g" "Philidor: Hanham, Steiner Variation" "e4 e5 Nf3 d6 d4 Nd7 Bc4 c6 O-O Be7 dxe5")
  ("C41g" "Philidor: Hanham, Kmoch Variation" "e4 e5 Nf3 d6 d4 Nd7 Bc4 c6 Ng5")
  ("C41g" "Philidor: Hanham, Berger Variation" "e4 e5 Nf3 d6 d4 Nd7 Bc4 c6 Ng5 Nh6 f4 Be7 O-O O-O c3 d5")
  ("C41g" "Philidor: Hanham, Schlechter Variation" "e4 e5 Nf3 d6 d4 Nd7 Bc4 c6 Nc3")
  ("C41g" "Philidor: Hanham, Delmar Variation" "e4 e5 Nf3 d6 d4 Nd7 Bc4 c6 c3")
  ("C41h" "Philidor: 3...exd4" "e4 e5 Nf3 d6 d4 exd4")
  ("C41h" "Philidor: Bird Gambit" "e4 e5 Nf3 d6 d4 exd4 c3")
  ("C41i" "Philidor: Morphy Variation" "e4 e5 Nf3 d6 d4 exd4 Qxd4")
  ("C41i" "Philidor: Morphy, 4...Nc6" "e4 e5 Nf3 d6 d4 exd4 Qxd4 Nc6")
  ("C41i" "Philidor: Morphy, 4...Nf6" "e4 e5 Nf3 d6 d4 exd4 Qxd4 Nf6")
  ("C41i" "Philidor: Morphy, 4...Nf6 5.Nc3" "e4 e5 Nf3 d6 d4 exd4 Qxd4 Nf6 Nc3")
  ("C41j" "Philidor: 3...exd4 4.Nxd4" "e4 e5 Nf3 d6 d4 exd4 Nxd4")
  ("C41j" "Philidor: Paulsen Attack" "e4 e5 Nf3 d6 d4 exd4 Nxd4 d5 exd5")
  ("C41k" "Philidor: 3...exd4 4.Nxd4 Nf6" "e4 e5 Nf3 d6 d4 exd4 Nxd4 Nf6")
  ("C41k" "Philidor: 3...exd4 4.Nxd4 Nf6 5.Nc3" "e4 e5 Nf3 d6 d4 exd4 Nxd4 Nf6 Nc3")
  ("C41k" "Philidor: 3...exd4 4.Nxd4 Nf6 5.Nc3 Be7" "e4 e5 Nf3 d6 d4 exd4 Nxd4 Nf6 Nc3 Be7")
  ("C41l" "Philidor: 3...exd4 4.Nxd4 Nf6 5.Nc3 Be7 6.Bc4" "e4 e5 Nf3 d6 d4 exd4 Nxd4 Nf6 Nc3 Be7 Bc4")
  ("C41m" "Philidor: Antoshin Variation" "e4 e5 Nf3 d6 d4 exd4 Nxd4 Nf6 Nc3 Be7 Be2")
  ("C41m" "Philidor: Berger Variation" "e4 e5 Nf3 d6 d4 exd4 Nxd4 Nf6 Nc3 Be7 Be2 O-O O-O c5 Nf3 Nc6 Bg5 Be6 Re1")
  ("C41n" "Philidor: Larsen Variation" "e4 e5 Nf3 d6 d4 exd4 Nxd4 g6")
  ("C41o" "Philidor: Nimzowitsch Variation" "e4 e5 Nf3 d6 d4 Nf6")
  ("C41o" "Philidor: Nimzowitsch, Klein Variation" "e4 e5 Nf3 d6 d4 Nf6 Bc4")
  ("C41o" "Philidor: Nimzowitsch, Locock Variation" "e4 e5 Nf3 d6 d4 Nf6 Ng5")
  ("C41p" "Philidor: Exchange Variation" "e4 e5 Nf3 d6 d4 Nf6 dxe5")
  ("C41p" "Philidor: Exchange, Sokolsky Variation" "e4 e5 Nf3 d6 d4 Nf6 dxe5 Nxe4 Nbd2")
  ("C41p" "Philidor: Exchange, Rellstab Variation" "e4 e5 Nf3 d6 d4 Nf6 dxe5 Nxe4 Qd5")
  ("C41q" "Philidor: Nimzowitsch Variation" "e4 e5 Nf3 d6 d4 Nf6 Nc3")
  ("C41r" "Philidor: Improved Hanham" "e4 e5 Nf3 d6 d4 Nf6 Nc3 Nbd7")
  ("C41s" "Philidor: Improved Hanham, 5.Bc4" "e4 e5 Nf3 d6 d4 Nf6 Nc3 Nbd7 Bc4")
  ("C41s" "Philidor: Improved Hanham, 5.Bc4 Be7" "e4 e5 Nf3 d6 d4 Nf6 Nc3 Nbd7 Bc4 Be7")
  ("C41s" "Philidor: Improved Hanham, 6.Bxf7+" "e4 e5 Nf3 d6 d4 Nf6 Nc3 Nbd7 Bc4 Be7 Bxf7+")
  ("C41s" "Philidor: Improved Hanham, 6.Ng5" "e4 e5 Nf3 d6 d4 Nf6 Nc3 Nbd7 Bc4 Be7 Ng5")
  ("C41s" "Philidor: Improved Hanham, Larobok Variation" "e4 e5 Nf3 d6 d4 Nf6 Nc3 Nbd7 Bc4 Be7 Ng5 O-O Bxf7+")
  ("C41s" "Philidor: Improved Hanham, 6.dxe5" "e4 e5 Nf3 d6 d4 Nf6 Nc3 Nbd7 Bc4 Be7 dxe5")
  ("C41s" "Philidor: Improved Hanham, 6.dxe5 Nxe5" "e4 e5 Nf3 d6 d4 Nf6 Nc3 Nbd7 Bc4 Be7 dxe5 Nxe5")
  ("C41s" "Philidor: Improved Hanham, 6.dxe5 dxe5" "e4 e5 Nf3 d6 d4 Nf6 Nc3 Nbd7 Bc4 Be7 dxe5 dxe5")
  ("C41t" "Philidor: Improved Hanham 6.O-O" "e4 e5 Nf3 d6 d4 Nf6 Nc3 Nbd7 Bc4 Be7 O-O")
  ("C41u" "Philidor: Improved Hanham, Main Line" "e4 e5 Nf3 d6 d4 Nf6 Nc3 Nbd7 Bc4 Be7 O-O O-O")
  ("C41v" "Philidor: Improved Hanham, 7.a4" "e4 e5 Nf3 d6 d4 Nf6 Nc3 Nbd7 Bc4 Be7 O-O O-O a4")
  ("C41v" "Philidor: Improved Hanham, 7.a4 c6" "e4 e5 Nf3 d6 d4 Nf6 Nc3 Nbd7 Bc4 Be7 O-O O-O a4 c6")
  ("C41w" "Philidor: Improved Hanham, 7.Qe2" "e4 e5 Nf3 d6 d4 Nf6 Nc3 Nbd7 Bc4 Be7 O-O O-O Qe2")
  ("C41w" "Philidor: Improved Hanham, 7.Qe2 c6 8.a4" "e4 e5 Nf3 d6 d4 Nf6 Nc3 Nbd7 Bc4 Be7 O-O O-O a4 c6 Qe2")
  ("C41w" "Philidor: Improved Hanham, Sozin Variation" "e4 e5 Nf3 d6 d4 Nf6 Nc3 Nbd7 Bc4 Be7 O-O O-O Qe2 c6 a4 exd4")
  ("C41x" "Philidor: Improved Hanham, 7.Re1" "e4 e5 Nf3 d6 d4 Nf6 Nc3 Nbd7 Bc4 Be7 O-O O-O Re1")
  ("C41x" "Philidor: Improved Hanham, 7.Re1 c6 8.a4" "e4 e5 Nf3 d6 d4 Nf6 Nc3 Nbd7 Bc4 Be7 O-O O-O Re1 c6 a4")
  ("C41y" "Philidor: Improved Hanham, 7.Re1 c6 8.a4 b6" "e4 e5 Nf3 d6 d4 Nf6 Nc3 Nbd7 Bc4 Be7 O-O O-O Re1 c6 a4 b6")
  ("C42a" "Russian Game (Petroff Defence)" "e4 e5 Nf3 Nf6")
  ("C42b" "Russian Game: 3.d3" "e4 e5 Nf3 Nf6 d3")
  ("C42c" "Russian-Three Knights Game" "e4 e5 Nf3 Nf6 Nc3")
  ("C42c" "Russian-Three Knights Game" "e4 e5 Nf3 Nf6 Nc3 Bb4")
  ("C42d" "Russian-Three Knights Game, 4.Nxe5" "e4 e5 Nf3 Nf6 Nc3 Bb4 Nxe5")
  ("C42e" "Russian Game: Italian Variation" "e4 e5 Nf3 Nf6 Bc4")
  ("C42f" "Russian Game: Boden-Kieseritsky Gambit" "e4 e5 Nf3 Nf6 Bc4 Nxe4 Nc3")
  ("C42f" "Russian Game: Boden-Kieseritsky Gambit Accepted" "e4 e5 Nf3 Nf6 Bc4 Nxe4 Nc3 Nxc3")
  ("C42g" "Russian Game: 3.Nxe5" "e4 e5 Nf3 Nf6 Nxe5")
  ("C42g" "Russian Game: Damiano Variation" "e4 e5 Nf3 Nf6 Nxe5 Nxe4")
  ("C42g" "Russian Game: 3.Nxe5 d6" "e4 e5 Nf3 Nf6 Nxe5 d6")
  ("C42h" "Russian Game: Cochrane Gambit" "e4 e5 Nf3 Nf6 Nxe5 d6 Nxf7")
  ("C42h" "Russian Game: Cochrane Gambit, 5.d4" "e4 e5 Nf3 Nf6 Nxe5 d6 Nxf7 Kxf7 d4")
  ("C42i" "Russian Game: Paulsen Attack" "e4 e5 Nf3 Nf6 Nxe5 d6 Nc4")
  ("C42j" "Russian Game: 3.Nxe5 d6 4.Nf3" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3")
  ("C42k" "Russian Game: French Attack" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d3")
  ("C42l" "Russian Game: Vienna/Kaufmann" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 c4")
  ("C42m" "Russian Game: Nimzowitsch Attack" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 Nc3")
  ("C42n" "Russian Game: Cozio/Lasker" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 Qe2")
  ("C42n" "Russian Game: Milner-Barry Variation" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 Qe2 Qe7 d3 Nf6 Bg5 Nbd7")
  ("C42o" "Russian Game: 5.Qe2, Queenswap" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 Qe2 Qe7 d3 Nf6 Bg5 Qxe2+")
  ("C42p" "Russian Game: Classical" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4")
  ("C42p" "Russian Game: Classical, Close Variation" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 Nf6")
  ("C42p" "Russian Game: Classical, 5...d5" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5")
  ("C42q" "Russian Game: Classical, 6.Bd3" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3")
  ("C42q" "Russian Game: Classical, Marshall Variation" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Bd6")
  ("C42q" "Russian Game: Classical, Tarrasch Variation" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Bd6 O-O O-O c4 Bg4")
  ("C42q" "Russian Game: Classical, Marshall Trap" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Bd6 O-O O-O c4 Bg4 cxd5 f5 Re1 Bxh2+")
  ("C42r" "Russian Game: Classical, Marshall, 8.c4 c6" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Bd6 O-O O-O c4 c6")
  ("C42s" "Russian Game: Classical, 6.Bd3 Be7" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7")
  ("C42s" "Russian Game: Classical, Mason Variation" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7 O-O O-O")
  ("C42s" "Russian Game: Classical, 6.Bd3 Be7 7.O-O Nc6" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7 O-O Nc6")
  ("C42t" "Russian Game: Classical, Jänisch Variation" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7 O-O Nc6 c4")
  ("C42u" "Russian Game: Classical, Jänisch, Main Line" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7 O-O Nc6 c4 Nb4 Be2 O-O")
  ("C42v" "Russian Game: Classical, Chigorin Variation" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7 O-O Nc6 Re1")
  ("C42v" "Russian Game: Classical, Chigorin, 8...Bf5" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7 O-O Nc6 Re1 Bf5")
  ("C42w" "Russian Game: Classical, Chigorin, 8...Bg4" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7 O-O Nc6 Re1 Bg4")
  ("C42w" "Russian Game: Classical, Chigorin, 8...Bg4 9.c4" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7 O-O Nc6 Re1 Bg4 c4")
  ("C42x" "Russian Game: Classical, Chigorin, 8...Bg4 9.c3" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7 O-O Nc6 Re1 Bg4 c3")
  ("C42x" "Russian Game: Classical, Berger Variation" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7 O-O Nc6 Re1 Bg4 c3 f5 Nbd2")
  ("C42x" "Russian Game: Classical, Krause Variation" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7 O-O Nc6 Re1 Bg4 c3 f5 c4")
  ("C42x" "Russian Game: Classical, Maroczy Variation" "e4 e5 Nf3 Nf6 Nxe5 d6 Nf3 Nxe4 d4 d5 Bd3 Be7 O-O Nc6 Re1 Bg4 c3 f5 c4 Bh4")
  ("C43a" "Russian Game: Modern (Steinitz) Attack" "e4 e5 Nf3 Nf6 d4")
  ("C43b" "Russian Game: Modern Attack" "e4 e5 Nf3 Nf6 d4 exd4")
  ("C43c" "Russian Game: Modern Attack" "e4 e5 Nf3 Nf6 d4 exd4 e5 Ne4")
  ("C43c" "Russian Game: Modern Attack, Tal Gambit" "e4 e5 Nf3 Nf6 d4 exd4 e5 Ne4 Bb5")
  ("C43c" "Russian Game: Modern Attack, Steinitz Variation" "e4 e5 Nf3 Nf6 d4 exd4 e5 Ne4 Qe2")
  ("C43c" "Russian Game: Modern Attack, Bardeleben Variation" "e4 e5 Nf3 Nf6 d4 exd4 e5 Ne4 Qe2 Nc5 Nxd4 Nc6")
  ("C43d" "Russian Game: Modern Attack, 3...exd4, Main Line" "e4 e5 Nf3 Nf6 d4 exd4 e5 Ne4 Qxd4")
  ("C43e" "Russian Game: Modern Attack, 3...exd4, Main Line, 7.Nc3" "e4 e5 Nf3 Nf6 d4 exd4 e5 Ne4 Qxd4 d5 exd6 Nxd6 Nc3")
  ("C43e" "Russian Game: Modern Attack, Pillsbury Variation" "e4 e5 Nf3 Nf6 d4 exd4 e5 Ne4 Qxd4 d5 exd6 Nxd6 Nc3 Nc6 Qf4 Bf5")
  ("C43f" "Russian Game: Modern Attack, 3...Nxe4" "e4 e5 Nf3 Nf6 d4 Nxe4")
  ("C43g" "Russian Game: Modern Attack, 3...Nxe4 4.Bd3" "e4 e5 Nf3 Nf6 d4 Nxe4 Bd3")
  ("C43g" "Russian Game: Modern Attack, 3...Nxe4 4.Bd3 Nc6" "e4 e5 Nf3 Nf6 d4 Nxe4 Bd3 Nc6")
  ("C43g" "Russian Game: Modern Attack, 3...Nxe4 4.Bd3 Nc6 5.d5" "e4 e5 Nf3 Nf6 d4 Nxe4 Bd3 Nc6 d5")
  ("C43h" "Russian Game: Modern Attack, 3...Nxe4 4.Bd3 Nc6 5.Bxe4" "e4 e5 Nf3 Nf6 d4 Nxe4 Bd3 Nc6 Bxe4")
  ("C43i" "Russian Game: Modern Attack, 3...Nxe4 4.Bd3 d5" "e4 e5 Nf3 Nf6 d4 Nxe4 Bd3 d5")
  ("C43i" "Russian Game: Modern Attack, 3...Nxe4 4.Bd3 d5 5.dxe5" "e4 e5 Nf3 Nf6 d4 Nxe4 Bd3 d5 dxe5")
  ("C43j" "Russian Game: Modern Attack, 3...Nxe4 4.Bd3 d5 5.Nxe5" "e4 e5 Nf3 Nf6 d4 Nxe4 Bd3 d5 Nxe5")
  ("C43k" "Russian Game: Modern Attack, 3...Nxe4 4.Bd3 d5 5.Nxe5 Nc6" "e4 e5 Nf3 Nf6 d4 Nxe4 Bd3 d5 Nxe5 Nc6")
  ("C43l" "Russian Game: Modern Attack, 3...Nxe4 4.Bd3 d5 5.Nxe5 Be7" "e4 e5 Nf3 Nf6 d4 Nxe4 Bd3 d5 Nxe5 Be7")
  ("C43m" "Russian Game: Modern Attack, 3...Nxe4 4.Bd3 d5 5.Nxe5 Bd6" "e4 e5 Nf3 Nf6 d4 Nxe4 Bd3 d5 Nxe5 Bd6")
  ("C43n" "Russian Game: Modern Attack, Trifunovic Variation" "e4 e5 Nf3 Nf6 d4 Nxe4 Bd3 d5 Nxe5 Bd6 O-O O-O c4 Bxe5")
  ("C43o" "Russian Game: Modern Attack, 3...Nxe4 4.Bd3 d5 5.Nxe5 Nd7" "e4 e5 Nf3 Nf6 d4 Nxe4 Bd3 d5 Nxe5 Nd7")
  ("C43p" "Russian Game: Modern Attack, 3...Nxe4 4.Bd3 d5 5.Nxe5 Nd7 6.Nxd7" "e4 e5 Nf3 Nf6 d4 Nxe4 Bd3 d5 Nxe5 Nd7 Nxd7")
  ("C43q" "Russian Game: Modern Attack, 3...Nxe4, Main Line" "e4 e5 Nf3 Nf6 d4 Nxe4 Bd3 d5 Nxe5 Nd7 Nxd7 Bxd7 O-O")
  ("C43r" "Russian Game: Modern Attack, 3...Nxe4, Main Line, 7...Qh4" "e4 e5 Nf3 Nf6 d4 Nxe4 Bd3 d5 Nxe5 Nd7 Nxd7 Bxd7 O-O Qh4")
  ("C43s" "Russian Game: Modern Attack, 3...Nxe4, Main Line, 7...Bd6" "e4 e5 Nf3 Nf6 d4 Nxe4 Bd3 d5 Nxe5 Nd7 Nxd7 Bxd7 O-O Bd6")
  ("C44a" "Open Game" "e4 e5 Nf3 Nc6")
  ("C44a" "Open Game: Irish (Chicago) Gambit" "e4 e5 Nf3 Nc6 Nxe5")
  ("C44a" "Open Game: Paschman Wing Gambit" "e4 e5 Nf3 Nc6 b4")
  ("C44a" "Open Game: Dresden Opening" "e4 e5 Nf3 Nc6 c4")
  ("C44b" "Open Game: Konstantinopolsky" "e4 e5 Nf3 Nc6 g3")
  ("C44c" "Open Game: Inverted Hungarian" "e4 e5 Nf3 Nc6 Be2")
  ("C44c" "Open Game: Tayler Opening" "e4 e5 Nf3 Nc6 Be2 Nf6 d4")
  ("C44d" "Open Game: Inverted Philidor" "e4 e5 Nf3 Nc6 d3")
  ("C44d" "Open Game: Inverted Philidor" "e4 e5 Nf3 Nc6 d3 d5")
  ("C44e" "Open Game: Inverted Philidor" "e4 e5 Nf3 Nc6 d3 Nf6")
  ("C44f" "Open Game: Inverted Philidor, 4.g3" "e4 e5 Nf3 Nc6 d3 Nf6 g3")
  ("C44g" "Open Game: Inverted Philidor, 4.Be2" "e4 e5 Nf3 Nc6 d3 Nf6 Be2")
  ("C44h" "Open Game: Inverted Hanham" "e4 e5 Nf3 Nc6 Be2 Nf6 d3 d5 Nbd2")
  ("C44i" "Ponziani Opening" "e4 e5 Nf3 Nc6 c3")
  ("C44i" "Ponziani: Reti Variation" "e4 e5 Nf3 Nc6 c3 Nge7")
  ("C44i" "Ponziani: Romanishin Variation" "e4 e5 Nf3 Nc6 c3 Be7")
  ("C44j" "Ponziani Countergambit" "e4 e5 Nf3 Nc6 c3 f5")
  ("C44j" "Ponziani Countergambit, Schmidt Attack" "e4 e5 Nf3 Nc6 c3 f5 d4 d6 d5")
  ("C44j" "Ponziani Countergambit, Cordel Variation" "e4 e5 Nf3 Nc6 c3 f5 d4 d6 d5 fxe4 Ng5 Nb8 Nxe4 Nf6 Bd3 Be7")
  ("C44k" "Ponziani: 3...d5" "e4 e5 Nf3 Nc6 c3 d5")
  ("C44l" "Ponziani: 3...d5 4.Qa4" "e4 e5 Nf3 Nc6 c3 d5 Qa4")
  ("C44l" "Ponziani: Caro Variation" "e4 e5 Nf3 Nc6 c3 d5 Qa4 Bd7")
  ("C44l" "Ponziani: Leonhardt Variation" "e4 e5 Nf3 Nc6 c3 d5 Qa4 Nf6")
  ("C44m" "Ponziani: Steinitz Variation" "e4 e5 Nf3 Nc6 c3 d5 Qa4 f6")
  ("C44n" "Ponziani: 3...Nf6" "e4 e5 Nf3 Nc6 c3 Nf6")
  ("C44n" "Ponziani: 3...Nf6" "e4 e5 Nf3 Nc6 c3 Nf6 d4")
  ("C44o" "Ponziani: 3...Nf6 4.d4 exd4" "e4 e5 Nf3 Nc6 c3 Nf6 d4 exd4")
  ("C44p" "Ponziani: 3...Nf6 4.d4 Nxe4" "e4 e5 Nf3 Nc6 c3 Nf6 d4 Nxe4")
  ("C44p" "Ponziani: Fraser Defence" "e4 e5 Nf3 Nc6 c3 Nf6 d4 Nxe4 d5 Bc5")
  ("C44q" "Ponziani: 3...Nf6 4.d4 Nxe4 5.d5 Ne7" "e4 e5 Nf3 Nc6 c3 Nf6 d4 Nxe4 d5 Ne7")
  ("C44r" "Scotch Opening" "e4 e5 Nf3 Nc6 d4")
  ("C44r" "Scotch: Lolli Variation" "e4 e5 Nf3 Nc6 d4 Nxd4")
  ("C44r" "Scotch: Cochrane Variation" "e4 e5 Nf3 Nc6 d4 Nxd4 Nxe5 Ne6 Bc4 c6 O-O Nf6 Nxf7")
  ("C44s" "Scotch: 3...d6" "e4 e5 Nf3 Nc6 d4 d6")
  ("C44t" "Scotch: 3...exd4" "e4 e5 Nf3 Nc6 d4 exd4")
  ("C44t" "Scotch: Relfsson Gambit" "e4 e5 Nf3 Nc6 d4 exd4 Bb5")
  ("C44t" "Scotch: Goring Gambit" "e4 e5 Nf3 Nc6 d4 exd4 c3")
  ("C44u" "Scotch: Goring Gambit, 4...d5" "e4 e5 Nf3 Nc6 d4 exd4 c3 d5")
  ("C44v" "Scotch: Goring Gambit, 4...d3" "e4 e5 Nf3 Nc6 d4 exd4 c3 d3")
  ("C44w" "Scotch: Goring Gambit, 4...dxc3" "e4 e5 Nf3 Nc6 d4 exd4 c3 dxc3")
  ("C44w" "Scotch: Goring Gambit, 4...dxc3 5.Bc4" "e4 e5 Nf3 Nc6 d4 exd4 c3 dxc3 Bc4")
  ("C44w" "Scotch: Goring Gambit, 4...dxc3 5.Bc4 cxb2 6.Bxb2" "e4 e5 Nf3 Nc6 d4 exd4 c3 dxc3 Bc4 cxb2 Bxb2")
  ("C44w" "Scotch: Goring Gambit, 4...dxc3 5.Nxc3" "e4 e5 Nf3 Nc6 d4 exd4 c3 dxc3 Nxc3")
  ("C44w" "Scotch: Goring Gambit, 4...dxc3 5.Nxc3 Bb4" "e4 e5 Nf3 Nc6 d4 exd4 c3 dxc3 Nxc3 Bb4")
  ("C44w" "Scotch: Goring Gambit, Bardeleben Variation" "e4 e5 Nf3 Nc6 d4 exd4 c3 dxc3 Nxc3 Bb4 Bc4 Nf6")
  ("C44w" "Scotch: Goring Gambit, 4...dxc3 5.Nxc3 Bb4 6.Bc4 d6" "e4 e5 Nf3 Nc6 d4 exd4 c3 dxc3 Nxc3 Bb4 Bc4 d6")
  ("C44w" "Scotch: Goring Gambit, 4...dxc3 5.Nxc3 Bb4 6.Bc4 d6 7.O-O" "e4 e5 Nf3 Nc6 d4 exd4 c3 dxc3 Nxc3 Bb4 Bc4 d6 O-O")
  ("C44x" "Scotch Gambit" "e4 e5 Nf3 Nc6 d4 exd4 Bc4")
  ("C44x" "Scotch Gambit: London Defence" "e4 e5 Nf3 Nc6 d4 exd4 Bc4 Bb4+")
  ("C44y" "Scotch Gambit: 4...Bc5" "e4 e5 Nf3 Nc6 d4 exd4 Bc4 Bc5")
  ("C44y" "Scotch Gambit: 5.Ng5" "e4 e5 Nf3 Nc6 d4 exd4 Bc4 Bc5 Ng5")
  ("C44y" "Scotch Gambit: Vitzhum Attack" "e4 e5 Nf3 Nc6 d4 exd4 Bc4 Bc5 Ng5 Nh6 Qh5")
  ("C44y" "Scotch Gambit: 5.O-O" "e4 e5 Nf3 Nc6 d4 exd4 Bc4 Bc5 O-O")
  ("C44y" "Scotch Gambit: Anderssen (Paulsen) Counterattack" "e4 e5 Nf3 Nc6 d4 exd4 Bc4 Bc5 O-O d6 c3 Bg4")
  ("C44z" "Scotch Gambit: 5.c3" "e4 e5 Nf3 Nc6 d4 exd4 Bc4 Bc5 c3")
  ("C44z" "Scotch Gambit: 5.c3 d3" "e4 e5 Nf3 Nc6 d4 exd4 Bc4 Bc5 c3 d3")
  ("C45a" "Scotch: 4.Nxd4" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4")
  ("C45b" "Scotch: 4.Nxd4 Nxd4" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Nxd4")
  ("C45b" "Scotch: Ghulam Kassim Variation" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Nxd4 Qxd4 d6 Bd3")
  ("C45c" "Scotch: 4.Nxd4 Bb4+" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bb4+")
  ("C45d" "Scotch: 4.Nxd4 Qf6" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Qf6")
  ("C45e" "Scotch: Steinitz Variation" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Qh4")
  ("C45e" "Scotch: Steinitz, 5.Qd3" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Qh4 Qd3")
  ("C45e" "Scotch: Steinitz, Fraser Attack" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Qh4 Nf3")
  ("C45f" "Scotch: Steinitz, 5.Nc3" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Qh4 Nc3")
  ("C45g" "Scotch: Steinitz, 5.Nb5" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Qh4 Nb5")
  ("C45g" "Scotch: Steinitz, 5.Nb5 Qxe4+" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Qh4 Nb5 Qxe4+")
  ("C45g" "Scotch: Steinitz, 5.Nb5 Bc5" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Qh4 Nb5 Bc5")
  ("C45g" "Scotch: Steinitz, 5.Nb5 Bc5 6.Qf3" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Qh4 Nb5 Bc5 Qf3")
  ("C45g" "Scotch: Steinitz, 5.Nb5 Bb4+" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Qh4 Nb5 Bb4+")
  ("C45g" "Scotch: Steinitz, Berger Variation" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Qh4 Nb5 Bb4+ Nd2 Qxe4+ Be2 Qxg2 Bf3 Qh3 Nxc7+ Kd8 Nxa8 Nf6 a3")
  ("C45g" "Scotch: Steinitz, 5.Nb5 Bb4+ 6.Bd2" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Qh4 Nb5 Bb4+ Bd2")
  ("C45g" "Scotch: Steinitz, Rosenthal Variation" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Qh4 Nb5 Bb4+ Bd2 Qxe4+ Be2 Kd8 O-O Bxd2 Nxd2 Qg6")
  ("C45h" "Scotch: 4.Nxd4 Nf6" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Nf6")
  ("C45h" "Scotch: 4.Nxd4 Nf6 5.Nxc6" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Nf6 Nxc6")
  ("C45h" "Scotch: Tartakower Variation" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Nf6 Nxc6 bxc6 Nd2")
  ("C45i" "Scotch: 4.Nxd4 Nf6 5.Nxc6 bxc6 6.Bd3" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Nf6 Nxc6 bxc6 Bd3")
  ("C45j" "Scotch: Mieses Variation" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Nf6 Nxc6 bxc6 e5")
  ("C45j" "Scotch: Mieses, 6...Qe7" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Nf6 Nxc6 bxc6 e5 Qe7")
  ("C45j" "Scotch: Mieses, 6...Qe7 7.Qe2" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Nf6 Nxc6 bxc6 e5 Qe7 Qe2")
  ("C45k" "Scotch: Mieses, 8.c4" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Nf6 Nxc6 bxc6 e5 Qe7 Qe2 Nd5 c4")
  ("C45l" "Scotch: Mieses, 8.c4 Ba6" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Nf6 Nxc6 bxc6 e5 Qe7 Qe2 Nd5 c4 Ba6")
  ("C45m" "Scotch: Mieses, 8.c4 Ba6 9.b3" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Nf6 Nxc6 bxc6 e5 Qe7 Qe2 Nd5 c4 Ba6 b3")
  ("C45n" "Scotch: 4.Nxd4 Bc5" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5")
  ("C45o" "Scotch: 4.Nxd4 Bc5 5.Nb3" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Nb3")
  ("C45o" "Scotch: Romanishin Variation" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Nb3 Bb4+")
  ("C45p" "Scotch: 4.Nxd4 Bc5 5.Nb3 Bb6" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Nb3 Bb6")
  ("C45p" "Scotch: 4.Nxd4 Bc5 5.Nb3 Bb6 6.a4" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Nb3 Bb6 a4")
  ("C45q" "Scotch: 4.Nxd4 Bc5 5.Nb3 Bb6 6.a4 a6" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Nb3 Bb6 a4 a6")
  ("C45q" "Scotch: 4.Nxd4 Bc5 5.Nb3 Bb6 6.a4 a6 7.Nc3" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Nb3 Bb6 a4 a6 Nc3")
  ("C45q" "Scotch: Geller Variation" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Nb3 Bb6 a4 a6 Nc3 Nf6")
  ("C45q" "Scotch: 4.Nxd4 Bc5 5.Nb3 Bb6 6.a4 a6 7.Nc3 Qf6" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Nb3 Bb6 a4 a6 Nc3 Qf6")
  ("C45r" "Scotch: 4.Nxd4 Bc5 5.Nxc6" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Nxc6")
  ("C45s" "Scotch: 4.Nxd4 Bc5 5.Nxc6 Qf6 6.Qd2" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Nxc6 Qf6 Qd2")
  ("C45t" "Scotch: 4.Nxd4 Bc5 5.Nxc6 Qf6 6.Qd2 dxc6 7.Nc3" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Nxc6 Qf6 Qd2 dxc6 Nc3")
  ("C45u" "Scotch: 4.Nxd4 Bc5 5.Be3" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Be3")
  ("C45v" "Scotch: Blumenfeld Attack" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Be3 Qf6 Nb5")
  ("C45v" "Scotch: 4.Nxd4 Bc5 5.Be3 Qf6 6.c3" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Be3 Qf6 c3")
  ("C45w" "Scotch: 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Be3 Qf6 c3 Nge7")
  ("C45w" "Scotch: Blackburne Attack" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Be3 Qf6 c3 Nge7 Qd2")
  ("C45w" "Scotch: Meitner Variation" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Be3 Qf6 c3 Nge7 Nc2")
  ("C45w" "Scotch: Paulsen Attack" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Be3 Qf6 c3 Nge7 Bb5")
  ("C45w" "Scotch: Paulsen, Gunsberg Defence" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Be3 Qf6 c3 Nge7 Bb5 Nd8")
  ("C45x" "Scotch: 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Bc4" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Be3 Qf6 c3 Nge7 Bc4")
  ("C45y" "Scotch: 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.Bc4 Ne5" "e4 e5 Nf3 Nc6 d4 exd4 Nxd4 Bc5 Be3 Qf6 c3 Nge7 Bc4 Ne5")
  ("C46a" "Three Knights Game" "e4 e5 Nf3 Nc6 Nc3")
  ("C46b" "Three Knights: Winawer Defence" "e4 e5 Nf3 Nc6 Nc3 f5")
  ("C46c" "Three Knights: 3...d6" "e4 e5 Nf3 Nc6 Nc3 d6")
  ("C46d" "Three Knights: 3...d6 4.d4" "e4 e5 Nf3 Nc6 Nc3 d6 d4")
  ("C46e" "Three Knights: 3...Bc5" "e4 e5 Nf3 Nc6 Nc3 Bc5")
  ("C46e" "Three Knights: 3...Bc5 4.Bb5" "e4 e5 Nf3 Nc6 Nc3 Bc5 Bb5")
  ("C46f" "Three Knights: 3...Bc5 4.Nxe5" "e4 e5 Nf3 Nc6 Nc3 Bc5 Nxe5")
  ("C46g" "Three Knights: 3...Bb4" "e4 e5 Nf3 Nc6 Nc3 Bb4")
  ("C46h" "Three Knights: 3...Bb4 4.Nd5" "e4 e5 Nf3 Nc6 Nc3 Bb4 Nd5")
  ("C46h" "Three Knights: Schlechter Variation" "e4 e5 Nf3 Nc6 Nc3 Bb4 Nd5 Nf6")
  ("C46i" "Three Knights: Steinitz Variation" "e4 e5 Nf3 Nc6 Nc3 g6")
  ("C46j" "Three Knights: Steinitz, 4.d4" "e4 e5 Nf3 Nc6 Nc3 g6 d4")
  ("C46k" "Three Knights: Steinitz, Rosenthal Variation" "e4 e5 Nf3 Nc6 Nc3 g6 d4 exd4 Nd5")
  ("C46l" "Three Knights: Steinitz, 4.d4 exd4 5.Nxd4" "e4 e5 Nf3 Nc6 Nc3 g6 d4 exd4 Nxd4")
  ("C46l" "Three Knights: Steinitz, 4.d4 exd4 5.Nxd4 Bg7" "e4 e5 Nf3 Nc6 Nc3 g6 d4 exd4 Nxd4 Bg7")
  ("C46l" "Three Knights: Steinitz, 4.d4 exd4 5.Nxd4 Bg7 6.Be3" "e4 e5 Nf3 Nc6 Nc3 g6 d4 exd4 Nxd4 Bg7 Be3")
  ("C46m" "Three Knights: Steinitz, 4.d4 exd4 5.Nxd4 Bg7 6.Be3 Nf6" "e4 e5 Nf3 Nc6 Nc3 g6 d4 exd4 Nxd4 Bg7 Be3 Nf6")
  ("C47a" "Four Knights Game" "e4 e5 Nf3 Nc6 Nc3 Nf6")
  ("C47a" "Four Knights: Halloween Gambit" "e4 e5 Nf3 Nc6 Nc3 Nf6 Nxe5")
  ("C47b" "Four Knights: Gunsberg Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 a3")
  ("C47c" "Four Knights: Van der Wiel Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 Be2")
  ("C47d" "Four Knights: Italian Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bc4")
  ("C47e" "Four Knights: Glek Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 g3")
  ("C47f" "Four Knights: Glek, 4...d5" "e4 e5 Nf3 Nc6 Nc3 Nf6 g3 d5")
  ("C47g" "Four Knights: Glek, 4...Bc5" "e4 e5 Nf3 Nc6 Nc3 Nf6 g3 Bc5")
  ("C47g" "Four Knights: Glek, 4...Bc5" "e4 e5 Nf3 Nc6 Nc3 Nf6 g3 Bc5 Bg2")
  ("C47h" "Four Knights: Glek, Main Line" "e4 e5 Nf3 Nc6 Nc3 Nf6 g3 Bc5 Bg2 d6 d3 a6")
  ("C47i" "Four Knights: Scotch Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4")
  ("C47i" "Four Knights: Scotch, 4...d6" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 d6")
  ("C47j" "Four Knights: Scotch, Bogoljubow" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 Bb4")
  ("C47j" "Four Knights: Scotch, Bogoljubow, 5.d5" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 Bb4 d5")
  ("C47k" "Four Knights: Scotch, Krause Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 Bb4 Nxe5")
  ("C47l" "Four Knights: Scotch, 4...exd4" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4")
  ("C47l" "Four Knights: Belgrade Gambit" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nd5")
  ("C47l" "Four Knights: Belgrade Gambit, 5...Nb4" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nd5 Nb4")
  ("C47l" "Four Knights: Belgrade Gambit, 5...Nxd5" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nd5 Nxd5")
  ("C47m" "Four Knights: Belgrade Gambit, 5...Nxe4" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nd5 Nxe4")
  ("C47m" "Four Knights: Belgrade Gambit, 5...Nxe4 6.Qe2 (Old Line)" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nd5 Nxe4 Qe2")
  ("C47m" "Four Knights: Belgrade Gambit, 5...Nxe4 6.Bc4 (Modern Line)" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nd5 Nxe4 Bc4")
  ("C47n" "Four Knights: Belgrade Gambit, 5...Be7" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nd5 Be7")
  ("C47o" "Four Knights: Scotch, 4...exd4 5.Nxd4" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nxd4")
  ("C47p" "Four Knights: Scotch, 4...exd4 5.Nxd4 d6" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nxd4 d6")
  ("C47q" "Four Knights: Scotch, 4...exd4 5.Nxd4 Bc5" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nxd4 Bc5")
  ("C47r" "Four Knights: Scotch, 4...exd4 5.Nxd4 Bb4" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nxd4 Bb4")
  ("C47s" "Four Knights: Scotch, 4...exd4 5.Nxd4 Bb4 6.Nxc6 bxc6" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nxd4 Bb4 Nxc6 bxc6")
  ("C47s" "Four Knights: Scotch, Main Line" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nxd4 Bb4 Nxc6 bxc6 Bd3")
  ("C47t" "Four Knights: Scotch, Main Line, 7...d5" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nxd4 Bb4 Nxc6 bxc6 Bd3 d5")
  ("C47t" "Four Knights: Scotch, Main Line, 7...d5 8.exd5 cxd5" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nxd4 Bb4 Nxc6 bxc6 Bd3 d5 exd5 cxd5")
  ("C47u" "Four Knights: Scotch, Main Line, 8.exd5 cxd5 9.O-O O-O" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nxd4 Bb4 Nxc6 bxc6 Bd3 d5 exd5 cxd5 O-O O-O")
  ("C47v" "Four Knights: Scotch, Main Line, 9.O-O O-O 10.Bg5 c6" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nxd4 Bb4 Nxc6 bxc6 Bd3 d5 exd5 cxd5 O-O O-O Bg5 c6")
  ("C47w" "Four Knights: Scotch, Main Line, 10.Bg5 c6 11.Na4" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nxd4 Bb4 Nxc6 bxc6 Bd3 d5 exd5 cxd5 O-O O-O Bg5 c6 Na4")
  ("C47x" "Four Knights: Scotch, Main Line, 10.Bg5 c6 11.Qf3" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nxd4 Bb4 Nxc6 bxc6 Bd3 d5 exd5 cxd5 O-O O-O Bg5 c6 Qf3")
  ("C47y" "Four Knights: Scotch, Main Line, 10.Bg5 c6 11.Qf3 Be7" "e4 e5 Nf3 Nc6 Nc3 Nf6 d4 exd4 Nxd4 Bb4 Nxc6 bxc6 Bd3 d5 exd5 cxd5 O-O O-O Bg5 c6 Qf3 Be7")
  ("C48a" "Four Knights: Spanish Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5")
  ("C48a" "Four Knights: Spanish, Ranken Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 a6 Bxc6")
  ("C48a" "Four Knights: Spanish, Spielmann Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 a6 Bxc6 dxc6 Nxe5 Nxe4 Nxe4 Qd4 O-O Qxe5 Re1 Be6 d4 Qd5")
  ("C48b" "Four Knights: Spanish, 4...d6" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 d6")
  ("C48c" "Four Knights: Spanish, 4...d6 5.d4" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 d6 d4")
  ("C48d" "Four Knights: Spanish, Classical Defence" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bc5")
  ("C48e" "Four Knights: Spanish, Classical Defence, 5.Nxe5" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bc5 Nxe5")
  ("C48f" "Four Knights: Spanish, Classical Defence, 5.O-O" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bc5 O-O")
  ("C48f" "Four Knights: Spanish, Classical, Bardeleben Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bc5 O-O O-O Nxe5 Nxe5 d4 Bd6 f4 Nc6 e5 Bb4")
  ("C48f" "Four Knights: Spanish, Classical, Marshall Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bc5 O-O O-O Nxe5 Nd4")
  ("C48g" "Four Knights: Rubinstein Countergambit" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4")
  ("C48g" "Four Knights: Rubinstein, 5.Be2" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Be2")
  ("C48h" "Four Knights: Rubinstein, 5.Nxe5" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Nxe5")
  ("C48h" "Four Knights: Rubinstein, Bogoljubow Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Nxe5 Qe7 f4")
  ("C48i" "Four Knights: Rubinstein, Henneberger Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 O-O")
  ("C48j" "Four Knights: Rubinstein, 5.Bc4" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Bc4")
  ("C48k" "Four Knights: Rubinstein, Exchange Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Nxd4")
  ("C48k" "Four Knights: Rubinstein, Exchange Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Nxd4 exd4 e5 dxc3 exf6")
  ("C48l" "Four Knights: Rubinstein, Exchange Variation, 8...Bc5" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Nxd4 exd4 e5 dxc3 exf6 Qxf6 dxc3 Bc5")
  ("C48m" "Four Knights: Rubinstein, Exchange Variation, 8...Qe5+" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Nxd4 exd4 e5 dxc3 exf6 Qxf6 dxc3 Qe5+")
  ("C48n" "Four Knights: Rubinstein, 5.Ba4" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Ba4")
  ("C48n" "Four Knights: Rubinstein, 5.Ba4 Nxf3+" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Ba4 Nxf3+")
  ("C48o" "Four Knights: Rubinstein, 5.Ba4 c6" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Ba4 c6")
  ("C48p" "Four Knights: Rubinstein, 5.Ba4 c6 6.Nxe5" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Ba4 c6 Nxe5")
  ("C48q" "Four Knights: Rubinstein, 5.Ba4 Bc5" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Ba4 Bc5")
  ("C48r" "Four Knights: Rubinstein, 5.Ba4 Bc5 6.Nxe5" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Nd4 Ba4 Bc5 Nxe5")
  ("C49a" "Four Knights: 4.Bb5 Bb4" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4")
  ("C49b" "Four Knights: 4.Bb5 Bb4 5.O-O" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O")
  ("C49c" "Four Knights: 4.Bb5 Bb4 5.O-O O-O" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O")
  ("C49c" "Four Knights: Gunsberg Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O Nd5 Nxd5 exd5 e4")
  ("C49d" "Four Knights: Nimzowitsch (Paulsen) Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O Bxc6")
  ("C49e" "Four Knights: Double Bishops, 6.d3" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3")
  ("C49f" "Four Knights: Double Bishops, 6.d3 Bxc3" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 Bxc3")
  ("C49f" "Four Knights: Janowski Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 Bxc3 bxc3 d6 Re1")
  ("C49f" "Four Knights: Svenonius Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 Bxc3 bxc3 d5")
  ("C49g" "Four Knights: Symmetrical Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6")
  ("C49h" "Four Knights: Symmetrical, Maroczy System" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6 Ne2")
  ("C49i" "Four Knights: Symmetrical, 7.Bg5" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6 Bg5")
  ("C49j" "Four Knights: Symmetrical, Tarrasch Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6 Bg5 Be6")
  ("C49k" "Four Knights: Symmetrical, Pillsbury Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6 Bg5 Ne7")
  ("C49k" "Four Knights: Symmetrical, Blake Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6 Bg5 Ne7 Nh4 c6 Bc4 d5 Bb3 Qd6")
  ("C49l" "Four Knights: Symmetrical, 7.Bg5 Bxc3" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6 Bg5 Bxc3")
  ("C49l" "Four Knights: Symmetrical, 7.Bg5 Bxc3" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6 Bg5 Bxc3 bxc3")
  ("C49m" "Four Knights: Symmetrical, 7.Bg5 Bxc3 8.bxc3 h6" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6 Bg5 Bxc3 bxc3 h6")
  ("C49n" "Four Knights: Symmetrical, Metger unpin" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6 Bg5 Bxc3 bxc3 Qe7")
  ("C49n" "Four Knights: Symmetrical, Metger, 10.d4" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6 Bg5 Bxc3 bxc3 Qe7 Re1 Nd8 d4")
  ("C49o" "Four Knights: Symmetrical, Metger, Capablanca Variation" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6 Bg5 Bxc3 bxc3 Qe7 Re1 Nd8 d4 Bg4")
  ("C49p" "Four Knights: Symmetrical, Metger, 10.d4 Ne6" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6 Bg5 Bxc3 bxc3 Qe7 Re1 Nd8 d4 Ne6")
  ("C49q" "Four Knights: Symmetrical, Metger, 10.d4 Ne6 11.Bc1 Rd8" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6 Bg5 Bxc3 bxc3 Qe7 Re1 Nd8 d4 Ne6 Bc1 Rd8")
  ("C49r" "Four Knights: Symmetrical, Metger, 10.d4 Ne6 11.Bc1 c5" "e4 e5 Nf3 Nc6 Nc3 Nf6 Bb5 Bb4 O-O O-O d3 d6 Bg5 Bxc3 bxc3 Qe7 Re1 Nd8 d4 Ne6 Bc1 c5")
  ("C50a" "Italian Game" "e4 e5 Nf3 Nc6 Bc4")
  ("C50b" "Italian: Rousseau Gambit" "e4 e5 Nf3 Nc6 Bc4 f5")
  ("C50c" "Italian: Blackburne-Shilling Gambit" "e4 e5 Nf3 Nc6 Bc4 Nd4")
  ("C50d" "Italian: 3...d6" "e4 e5 Nf3 Nc6 Bc4 d6")
  ("C50e" "Italian: Hungarian Defence" "e4 e5 Nf3 Nc6 Bc4 Be7")
  ("C50f" "Italian: Hungarian Defence, 4.d4 exd4" "e4 e5 Nf3 Nc6 Bc4 Be7 d4 exd4")
  ("C50f" "Italian: Hungarian Defence, Tartakower Variation" "e4 e5 Nf3 Nc6 Bc4 Be7 d4 exd4 c3 Nf6 e5 Ne4")
  ("C50g" "Italian: Hungarian Defence, 4.d4 d6" "e4 e5 Nf3 Nc6 Bc4 Be7 d4 d6")
  ("C50h" "Giuoco Piano" "e4 e5 Nf3 Nc6 Bc4 Bc5")
  ("C50h" "Giuoco Piano: Jerome Gambit" "e4 e5 Nf3 Nc6 Bc4 Bc5 Bxf7+")
  ("C50h" "Giuoco Piano: Rosentreter Gambit" "e4 e5 Nf3 Nc6 Bc4 Bc5 d4")
  ("C50i" "Giuoco Piano: Three Knights Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 Nc3")
  ("C50j" "Giuoco Piano: Four Knights Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 Nc3 Nf6")
  ("C50k" "Giuoco Piano: 4.O-O" "e4 e5 Nf3 Nc6 Bc4 Bc5 O-O")
  ("C50l" "Giuoco Piano: 4.O-O Nf6" "e4 e5 Nf3 Nc6 Bc4 Bc5 O-O Nf6")
  ("C50m" "Giuoco Piano: 4.O-O Nf6 5.Nc3" "e4 e5 Nf3 Nc6 Bc4 Bc5 O-O Nf6 Nc3")
  ("C50n" "Giuoco Pianissimo: 4.d3" "e4 e5 Nf3 Nc6 Bc4 Bc5 d3")
  ("C50n" "Giuoco Pianissimo: Lucchini Gambit" "e4 e5 Nf3 Nc6 Bc4 Bc5 d3 f5")
  ("C50n" "Giuoco Pianissimo: Dubois Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 d3 f5 Ng5 f4")
  ("C50o" "Giuoco Pianissimo: 4.d3 Nf6" "e4 e5 Nf3 Nc6 Bc4 Bc5 d3 Nf6")
  ("C50p" "Giuoco Pianissimo: 4.d3 Nf6 5.O-O" "e4 e5 Nf3 Nc6 Bc4 Bc5 d3 Nf6 O-O")
  ("C50q" "Giuoco Pianissimo: 4.d3 Nf6 5.O-O d6" "e4 e5 Nf3 Nc6 Bc4 Bc5 d3 Nf6 O-O d6")
  ("C50r" "Giuoco Pianissimo: Italian Four Knights" "e4 e5 Nf3 Nc6 Bc4 Bc5 d3 Nf6 Nc3")
  ("C50s" "Giuoco Pianissimo: Italian Four Knights, 5...d6" "e4 e5 Nf3 Nc6 Bc4 Bc5 d3 Nf6 Nc3 d6")
  ("C50t" "Giuoco Pianissimo: Italian Four Knights, 5...d6 6.Be3" "e4 e5 Nf3 Nc6 Bc4 Bc5 d3 Nf6 Nc3 d6 Be3")
  ("C50u" "Giuoco Pianissimo: Canal Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 d3 Nf6 Nc3 d6 Bg5")
  ("C50v" "Giuoco Pianissimo: Canal, 6...h6" "e4 e5 Nf3 Nc6 Bc4 Bc5 d3 Nf6 Nc3 d6 Bg5 h6")
  ("C51" "Evans Gambit" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4")
  ("C51" "Evans Gambit Declined: 4...Be7" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Be7")
  ("C51" "Evans Gambit: Hein Countergambit" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 d5")
  ("C51" "Evans Gambit Declined" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb6")
  ("C51" "Evans Gambit Declined, Cordel Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb6 Bb2")
  ("C51" "Evans Gambit Declined, 5.b5" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb6 b5")
  ("C51" "Evans Gambit Declined, Lange Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb6 b5 Na5 Nxe5 Nh6")
  ("C51" "Evans Gambit Declined, Pavlov Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb6 b5 Na5 Nxe5 Nh6 d4 d6 Bxh6 dxe5 Bxg7 Rg8 Bxf7+ Kxf7 Bxe5 Qg5 Nd2")
  ("C51" "Evans Gambit Declined, Hirschbach Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb6 b5 Na5 Nxe5 Qg5")
  ("C51" "Evans Gambit Declined, Vasquez Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb6 b5 Na5 Nxe5 Qg5 Bxf7+ Ke7 Qh5")
  ("C51" "Evans Gambit Declined, Hicken Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb6 b5 Na5 Nxe5 Qg5 Qf3 Qxe5 Qxf7+ Kd8 Bb2")
  ("C51" "Evans Gambit Declined, 5.a4" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb6 a4")
  ("C51" "Evans Gambit Declined, Showalter Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bb6 a4 a6 Nc3")
  ("C51" "Evans Gambit Accepted" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4")
  ("C51" "Evans Gambit Accepted, 5.c3" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3")
  ("C51" "Evans Gambit: Mayet Defence" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Bf8")
  ("C51" "Evans Gambit: Stone-Ware Defence" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Bd6")
  ("C51" "Evans Gambit: Anderssen Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Be7")
  ("C51" "Evans Gambit: Anderssen, 6.Qb3" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Be7 Qb3")
  ("C51" "Evans Gambit: Anderssen, 6.d4" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Be7 d4")
  ("C51" "Evans Gambit: Cordel Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Be7 d4 Na5")
  ("C51" "Evans Gambit: Normal Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Bc5 d4 exd4 O-O d6 cxd4 Bb6")
  ("C51" "Evans Gambit: Anderssen Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Bc5 d4 exd4 O-O d6 cxd4 Bb6 d5")
  ("C51" "Evans Gambit: Ulvestad Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Bc5 d4 exd4 O-O d6 cxd4 Bb6 d5 Na5 Bb2")
  ("C51" "Evans Gambit: Paulsen Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Bc5 d4 exd4 O-O d6 cxd4 Bb6 d5 Na5 Bb2 Ne7")
  ("C51" "Evans Gambit: Morphy Attack" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Bc5 d4 exd4 O-O d6 cxd4 Bb6 Nc3")
  ("C51" "Evans Gambit: Göring Attack" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Bc5 d4 exd4 O-O d6 cxd4 Bb6 Nc3 Na5 Bg5")
  ("C51" "Evans Gambit: Steinitz Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Bc5 d4 exd4 O-O d6 cxd4 Bb6 Nc3 Na5 Bg5 f6 Be3")
  ("C51" "Evans Gambit: Normal Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Bc5 d4 exd4 O-O d6 cxd4 Bb6 Nc3 Bg4")
  ("C51" "Evans Gambit: Fraser Attack" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Bc5 d4 exd4 O-O d6 cxd4 Bb6 Nc3 Bg4 Qa4")
  ("C51" "Evans Gambit: Fraser-Mortimer Attack" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Bc5 d4 exd4 O-O d6 cxd4 Bb6 Nc3 Bg4 Qa4 Bd7 Qb3 Na5 Bxf7+ Kf8 Qc2")
  ("C52" "Evans Gambit: 5...Ba5" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5")
  ("C52" "Evans Gambit: 5...Ba5 6.Qb3" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 Qb3")
  ("C52" "Evans Gambit: 5...Ba5 6.O-O" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 O-O")
  ("C52" "Evans Gambit: 5...Ba5 6.O-O Nf6" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 O-O Nf6")
  ("C52" "Evans Gambit: Richardson Attack" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 O-O Nf6 d4 O-O Nxe5")
  ("C52" "Evans Gambit: 5...Ba5 6.O-O d6" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 O-O d6")
  ("C52" "Evans Gambit: 5...Ba5 6.O-O d6 7.d4" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 O-O d6 d4")
  ("C52" "Evans Gambit: Waller Attack" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 O-O d6 d4 exd4 Qb3")
  ("C52" "Evans Gambit: Sanders-Alapin Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 O-O d6 d4 Bd7")
  ("C52" "Evans Gambit: Alapin-Steinitz Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 O-O d6 d4 Bg4")
  ("C52" "Evans Gambit: Lasker's Defence" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 O-O d6 d4 Bb6")
  ("C52" "Evans Gambit: 5...Ba5 6.d4" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 d4")
  ("C52" "Evans Gambit: Leonhardt Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 d4 b5")
  ("C52" "Evans Gambit: 5...Ba5 6.d4 exd4" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 d4 exd4")
  ("C52" "Evans Gambit: Compromised Defence" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 d4 exd4 O-O dxc3")
  ("C52" "Evans Gambit: Compromised Defence, Paulsen Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 d4 exd4 O-O dxc3 Qb3 Qf6 e5 Qg6 Nxc3 Nge7 Ba3")
  ("C52" "Evans Gambit: Compromised Defence, Potter Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 d4 exd4 O-O dxc3 Qb3 Qf6 e5 Qg6 Nxc3 Nge7 Rd1")
  ("C52" "Evans Gambit: 5...Ba5 6.d4 d6" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 d4 d6")
  ("C52" "Evans Gambit: Sokolsky Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 d4 d6 Bg5")
  ("C52" "Evans Gambit: Tartakower Attack" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 d4 d6 Qb3")
  ("C52" "Evans Gambit: Tartakower Attack, 7...Qd7" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 d4 d6 Qb3 Qd7")
  ("C52" "Evans Gambit: Tartakower Attack, 8.dxe5 Bb6" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 d4 d6 Qb3 Qd7 dxe5 Bb6")
  ("C52" "Evans Gambit: Tartakower Attack, 8.dxe5 dxe5" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 d4 d6 Qb3 Qd7 dxe5 dxe5")
  ("C52" "Evans Gambit: Tartakower, Levenfish Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 b4 Bxb4 c3 Ba5 d4 d6 Qb3 Qd7 dxe5 dxe5 O-O Bb6 Ba3 Na5 Nxe5")
  ("C53" "Giuoco Piano: 4.c3" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3")
  ("C53" "Giuoco Piano: LaBourdonnais Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 d6 d4 exd4 cxd4 Bb6")
  ("C53" "Giuoco Piano: Close Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Qe7")
  ("C53" "Giuoco Piano: Centre-Holding Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Qe7 d4 Bb6")
  ("C53" "Giuoco Piano: Tarrasch Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Qe7 d4 Bb6 O-O Nf6 a4 a6 Re1 d6 h3")
  ("C53" "Giuoco Piano: Mestel Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Qe7 d4 Bb6 Bg5")
  ("C53" "Giuoco Piano: Eisinger Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Qe7 d4 Bb6 d5 Nb8 d6")
  ("C54a" "Giuoco Piano: 4.c3 Nf6" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6")
  ("C54b" "Giuoco Piano: Albin Gambit" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 O-O")
  ("C54c" "Giuoco Piano: Bird's Attack" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 b4")
  ("C54c" "Giuoco Piano: Bird's Attack" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 b4 Bb6 a4")
  ("C54d" "Giuoco Pianissimo: 5.d3" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d3")
  ("C54e" "Giuoco Pianissimo: 5.d3 a6" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d3 a6")
  ("C54f" "Giuoco Pianissimo: 5.d3 d6" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d3 d6")
  ("C54g" "Giuoco Pianissimo: 5.d3 d6 6.Nbd2" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d3 d6 Nbd2")
  ("C54h" "Giuoco Pianissimo: 5.d3 d6 6.O-O" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d3 d6 O-O")
  ("C54i" "Giuoco Pianissimo: 5.d3 d6 6.O-O O-O" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d3 d6 O-O O-O")
  ("C54j" "Giuoco Piano: 5.d4" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4")
  ("C54k" "Giuoco Piano: 6.e5" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 e5")
  ("C54k" "Giuoco Piano: Ghulam Kassim Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 e5 Ne4 Bd5 Nxf2 Kxf2 dxc3+ Kg3")
  ("C54k" "Giuoco Piano: 6.e5 d5" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 e5 d5")
  ("C54k" "Giuoco Piano: Anderssen Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 e5 d5 Bb5 Ne4 cxd4 Bb4+")
  ("C54l" "Giuoco Piano: 6.cxd4" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 cxd4")
  ("C54l" "Giuoco Piano: 6.cxd4 Bb4+" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 cxd4 Bb4+")
  ("C54l" "Giuoco Piano: Krakow Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 cxd4 Bb4+ Kf1")
  ("C54m" "Giuoco Piano: 6.cxd4 Bb4+ 7.Bd2" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 cxd4 Bb4+ Bd2")
  ("C54m" "Giuoco Piano: Krause Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 cxd4 Bb4+ Bd2 Nxe4 Bxb4 Nxb4 Bxf7+ Kxf7 Qb3+ d5 Ne5+ Kf6 f3")
  ("C54n" "Giuoco Piano: Greco Attack" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 cxd4 Bb4+ Nc3")
  ("C54n" "Giuoco Piano: Greco Attack" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 cxd4 Bb4+ Nc3 Nxe4 O-O Nxc3")
  ("C54n" "Giuoco Piano: Bernstein Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 cxd4 Bb4+ Nc3 Nxe4 O-O Nxc3 bxc3 Bxc3 Qb3 d5")
  ("C54n" "Giuoco Piano: Aitken Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 cxd4 Bb4+ Nc3 Nxe4 O-O Nxc3 bxc3 Bxc3 Ba3")
  ("C54o" "Giuoco Piano: Greco Attack" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 cxd4 Bb4+ Nc3 Nxe4 O-O Bxc3")
  ("C54o" "Giuoco Piano: Steinitz Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 cxd4 Bb4+ Nc3 Nxe4 O-O Bxc3 bxc3 d5 Ba3")
  ("C54o" "Giuoco Piano: Möller (Therkatz) Attack" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 cxd4 Bb4+ Nc3 Nxe4 O-O Bxc3 d5")
  ("C54o" "Giuoco Piano: Möller-Herzog Variation" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 cxd4 Bb4+ Nc3 Nxe4 O-O Bxc3 d5 Bf6 Re1 Ne7 Rxe4 d6 Bg5 Bxg5 Nxg5 O-O Nxh7")
  ("C54o" "Giuoco Piano: Möller, Bayonet Attack" "e4 e5 Nf3 Nc6 Bc4 Bc5 c3 Nf6 d4 exd4 cxd4 Bb4+ Nc3 Nxe4 O-O Bxc3 d5 Bf6 Re1 Ne7 Rxe4 d6 g4")
  ("C55a" "Two Knights Defence" "e4 e5 Nf3 Nc6 Bc4 Nf6")
  ("C55b" "Two Knights: Deutz Gambit" "e4 e5 Nf3 Nc6 Bc4 Nf6 O-O Bc5 d4")
  ("C55b" "Two Knights: 4.O-O Gambit, Rosentreter Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 O-O Bc5 d4 Bxd4 Nxd4 Nxd4 Bg5 h6 Bh4 g5 f4")
  ("C55b" "Two Knights: 4.O-O Gambit, Holzhausen Attack" "e4 e5 Nf3 Nc6 Bc4 Nf6 O-O Bc5 d4 Bxd4 Nxd4 Nxd4 Bg5 d6 f4 Qe7 fxe5 dxe5 Nc3")
  ("C55c" "Two Knights: 4.d3" "e4 e5 Nf3 Nc6 Bc4 Nf6 d3")
  ("C55d" "Two Knights: 4.d3 h6" "e4 e5 Nf3 Nc6 Bc4 Nf6 d3 h6")
  ("C55e" "Two Knights: 4.d3 Be7" "e4 e5 Nf3 Nc6 Bc4 Nf6 d3 Be7")
  ("C55e" "Two Knights: 4.d3 Be7 5.Bb3 O-O" "e4 e5 Nf3 Nc6 Bc4 Nf6 d3 Be7 Bb3 O-O")
  ("C55f" "Two Knights: 4.d3 Be7 5.c3" "e4 e5 Nf3 Nc6 Bc4 Nf6 d3 Be7 c3")
  ("C55g" "Two Knights: 4.d3 Be7 5.O-O" "e4 e5 Nf3 Nc6 Bc4 Nf6 d3 Be7 O-O")
  ("C55h" "Two Knights: 4.d3 Be7 5.O-O O-O" "e4 e5 Nf3 Nc6 Bc4 Nf6 d3 Be7 O-O O-O")
  ("C55i" "Two Knights: 4.d3 Be7 5.O-O O-O 6.Bb3" "e4 e5 Nf3 Nc6 Bc4 Nf6 d3 Be7 O-O O-O Bb3")
  ("C55j" "Two Knights: 4.d3 Be7 5.O-O O-O 6.Bb3 d6 7.c3" "e4 e5 Nf3 Nc6 Bc4 Nf6 d3 Be7 O-O O-O Bb3 d6 c3")
  ("C55k" "Two Knights: 4.d3 Be7 5.O-O O-O 6.Re1" "e4 e5 Nf3 Nc6 Bc4 Nf6 d3 Be7 O-O O-O Re1")
  ("C55l" "Two Knights: 4.d4" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4")
  ("C55l" "Two Knights: 4.d4 exd4" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4")
  ("C55m" "Two Knights: 4.d4 exd4 5.Nxd4" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 Nxd4")
  ("C55n" "Two Knights: Perreux Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 Ng5")
  ("C55o" "Two Knights: Modern Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 e5")
  ("C55p" "Two Knights: Modern, 5.e5 d5" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 e5 d5")
  ("C55q" "Two Knights: Modern, Main Line" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 e5 d5 Bb5 Ne4 Nxd4 Bd7")
  ("C55r" "Two Knights: Modern, Main Line, 8.Bxc6 bxc6 9.O-O Bc5" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 e5 d5 Bb5 Ne4 Nxd4 Bd7 Bxc6 bxc6 O-O Bc5")
  ("C55s" "Two Knights: 5.O-O" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O")
  ("C55s" "Two Knights: 5.O-O Be7" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Be7")
  ("C55t" "Two Knights: 5.O-O d6" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O d6")
  ("C55u" "Two Knights: Max Lange Attack" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Bc5")
  ("C55v" "Two Knights: Max Lange, Steinitz Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Bc5 e5 Ng4")
  ("C55v" "Two Knights: Max Lange, Krause Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Bc5 e5 Ng4 c3")
  ("C55w" "Two Knights: Max Lange, 6.e5 d5" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Bc5 e5 d5")
  ("C55w" "Two Knights: Max Lange, Schlechter Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Bc5 e5 d5 exf6 dxc4 Re1+ Be6 fxg7")
  ("C55x" "Two Knights: Max Lange, Berger Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Bc5 e5 d5 exf6 dxc4 Re1+ Be6 Ng5 Qd5 Nc3 Qf5 g4 Qg6 Nce4 Bb6 f4 O-O-O")
  ("C55x" "Two Knights: Max Lange, Marshall Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Bc5 e5 d5 exf6 dxc4 Re1+ Be6 Ng5 Qd5 Nc3 Qf5 Nce4")
  ("C55x" "Two Knights: Max Lange, Rubinstein Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Bc5 e5 d5 exf6 dxc4 Re1+ Be6 Ng5 Qd5 Nc3 Qf5 Nce4 Bf8")
  ("C55x" "Two Knights: Max Lange, Loman Defence" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Bc5 e5 d5 exf6 dxc4 Re1+ Be6 Ng5 g6")
  ("C56a" "Two Knights: Classical" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4")
  ("C56a" "Two Knights: Classical, Nakhmanson Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4 Nc3")
  ("C56b" "Two Knights: Classical, 6.Re1" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4 Re1")
  ("C56b" "Two Knights: Classical, 6.Re1 d5" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4 Re1 d5")
  ("C56c" "Two Knights: Classical, Canal Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4 Re1 d5 Nc3")
  ("C56d" "Two Knights: Classical, 7.Bxd5" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4 Re1 d5 Bxd5")
  ("C56d" "Two Knights: Classical, 7.Bxd5 Qxd5" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4 Re1 d5 Bxd5 Qxd5")
  ("C56d" "Two Knights: Classical, 8.Nc3" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4 Re1 d5 Bxd5 Qxd5 Nc3")
  ("C56e" "Two Knights: Classical, 8.Nc3 Qd8" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4 Re1 d5 Bxd5 Qxd5 Nc3 Qd8")
  ("C56f" "Two Knights: Classical, 8.Nc3 Qh5" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4 Re1 d5 Bxd5 Qxd5 Nc3 Qh5")
  ("C56g" "Two Knights: Classical, 8.Nc3 Qh5 9.Nxe4 Be6 10.Bg5 Bd6" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4 Re1 d5 Bxd5 Qxd5 Nc3 Qh5 Nxe4 Be6 Bg5 Bd6")
  ("C56h" "Two Knights: Classical, Moller Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4 Re1 d5 Bxd5 Qxd5 Nc3 Qa5")
  ("C56h" "Two Knights: Classical, Moller, 9.Nxe4" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4 Re1 d5 Bxd5 Qxd5 Nc3 Qa5 Nxe4")
  ("C56h" "Two Knights: Classical, Moller, 9.Nxe4 Be6" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4 Re1 d5 Bxd5 Qxd5 Nc3 Qa5 Nxe4 Be6")
  ("C56i" "Two Knights: Classical, Moller, 10.Bg5" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4 Re1 d5 Bxd5 Qxd5 Nc3 Qa5 Nxe4 Be6 Bg5")
  ("C56i" "Two Knights: Classical, Yurdansky Attack" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4 Re1 d5 Bxd5 Qxd5 Nc3 Qa5 Nxe4 Be6 Bg5 h6 Bh4 g5 Nf6+ Ke7 b4")
  ("C56j" "Two Knights: Classical, Moller, 10.Neg5" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4 Re1 d5 Bxd5 Qxd5 Nc3 Qa5 Nxe4 Be6 Neg5")
  ("C56k" "Two Knights: Classical, Moller, 10.Neg5 O-O-O 11.Nxe6 fxe6 12.Rxe6 Bd6" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4 Re1 d5 Bxd5 Qxd5 Nc3 Qa5 Nxe4 Be6 Neg5 O-O-O Nxe6 fxe6 Rxe6 Bd6")
  ("C56l" "Two Knights: Classical, Moller, 10.Bd2" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4 Re1 d5 Bxd5 Qxd5 Nc3 Qa5 Nxe4 Be6 Bd2")
  ("C56m" "Two Knights: Classical, Moller, 10.Bd2 Qf5" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4 Re1 d5 Bxd5 Qxd5 Nc3 Qa5 Nxe4 Be6 Bd2 Qf5")
  ("C56n" "Two Knights: Classical, Moller, 10.Bd2 Qd5" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4 Re1 d5 Bxd5 Qxd5 Nc3 Qa5 Nxe4 Be6 Bd2 Qd5")
  ("C56o" "Two Knights: Classical, Moller, 10.Bd2 Bb4" "e4 e5 Nf3 Nc6 Bc4 Nf6 d4 exd4 O-O Nxe4 Re1 d5 Bxd5 Qxd5 Nc3 Qa5 Nxe4 Be6 Bd2 Bb4")
  ("C57a" "Two Knights: 4.Ng5" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5")
  ("C57a" "Two Knights: Traxler (Wilkes-Barre) Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 Bc5")
  ("C57a" "Two Knights: Traxler, 5.d4" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 Bc5 d4")
  ("C57b" "Two Knights: Traxler, 5.Nxf7" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 Bc5 Nxf7")
  ("C57b" "Two Knights: Traxler, 5.Nxf7 & 6.Kxf2" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 Bc5 Nxf7 Bxf2+ Kxf2")
  ("C57c" "Two Knights: Traxler, 5.Nxf7 & 6.Kf1" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 Bc5 Nxf7 Bxf2+ Kf1")
  ("C57c" "Two Knights: Traxler, 5.Nxf7 & 6.Kf1, Beyer's 8...Bg4" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 Bc5 Nxf7 Bxf2+ Kf1 Qe7 Nxh8 d5 exd5 Bg4")
  ("C57c" "Two Knights: Traxler, 5.Nxf7 & 6.Kf1, 8...Nd4" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 Bc5 Nxf7 Bxf2+ Kf1 Qe7 Nxh8 d5 exd5 Nd4")
  ("C57c" "Two Knights: Traxler, 5.Nxf7 & 6.Kf1, Palkin Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 Bc5 Nxf7 Bxf2+ Kf1 Qe7 Nxh8 d5 exd5 Nd4 h3")
  ("C57c" "Two Knights: Traxler, 5.Nxf7 & 6.Kf1, Menovsky Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 Bc5 Nxf7 Bxf2+ Kf1 Qe7 Nxh8 d5 exd5 Nd4 d6")
  ("C57d" "Two Knights: Traxler, 5.Bxf7+" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 Bc5 Bxf7+")
  ("C57d" "Two Knights: Traxler, 5.Bxf7+ Ke7 6.Bb3" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 Bc5 Bxf7+ Ke7 Bb3")
  ("C57d" "Two Knights: Traxler, Chigorin/Pithart Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 Bc5 Bxf7+ Ke7 Bd5")
  ("C57e" "Two Knights: 4.Ng5 d5" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5")
  ("C57e" "Two Knights: Kloss Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Nb4")
  ("C57e" "Two Knights: 4.Ng5 d5 5.exd5 Nxd5" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Nxd5")
  ("C57f" "Two Knights: Lolli Attack" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Nxd5 d4")
  ("C57f" "Two Knights: Lolli Attack, Pinkus Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Nxd5 d4 Bb4+")
  ("C57g" "Two Knights: Fegatello (Fried Liver) Attack" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Nxd5 Nxf7")
  ("C57g" "Two Knights: Fegatello, Leonhardt Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Nxd5 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Nb4 Qe4 c6 a3 Na6 d4 Nc7")
  ("C57g" "Two Knights: Fegatello, Polerio Defence" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Nxd5 Nxf7 Kxf7 Qf3+ Ke6 Nc3 Ne7")
  ("C57h" "Two Knights: Ulvestad Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 b5")
  ("C57i" "Two Knights: Fritz Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Nd4")
  ("C57i" "Two Knights: Fritz Variation, Main Line" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Nd4 c3 b5 Bf1 Nxd5")
  ("C57j" "Two Knights: Fritz, 8.Nxf7" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Nd4 c3 b5 Bf1 Nxd5 Nxf7")
  ("C57j" "Two Knights: Fritz, 8.cxd5" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Nd4 c3 b5 Bf1 Nxd5 cxd4")
  ("C57j" "Two Knights: Fritz, Paoli's 8.h4" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Nd4 c3 b5 Bf1 Nxd5 h4")
  ("C57k" "Two Knights: Fritz, Gruber Variation (8.Ne4)" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Nd4 c3 b5 Bf1 Nxd5 Ne4")
  ("C57l" "Two Knights: Fritz, Radchenko Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Nd4 c3 b5 Bf1 Nxd5 Ne4 Qh4 Ng3 Bb7")
  ("C57m" "Two Knights: Fritz, Berliner Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Nd4 c3 b5 Bf1 Nxd5 Ne4 Qh4 Ng3 Bg4 f3 e4")
  ("C58a" "Two Knights: Morphy Variation (5...Na5)" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5")
  ("C58b" "Two Knights: Morphy, Kieseritsky Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 d3")
  ("C58c" "Two Knights: Morphy, Kieseritsky Variation, 6...h6 7.Nf3 e4 8.Qe2" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 d3 h6 Nf3 e4 Qe2")
  ("C58c" "Two Knights: Morphy, Yankovich Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 d3 h6 Nf3 e4 Qe2 Nxc4 dxc4 Bc5 Nfd2")
  ("C58c" "Two Knights: Morphy, Maroczy Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 d3 h6 Nf3 e4 Qe2 Nxc4 dxc4 Be7")
  ("C58d" "Two Knights: Morphy, Polerio (6.Bb5+)" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+")
  ("C58d" "Two Knights: Morphy, Polerio, 6...Bd7" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ Bd7")
  ("C58e" "Two Knights: Morphy, Polerio, 6...c6" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6")
  ("C58f" "Two Knights: Morphy, Bogoljubow Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Qf3")
  ("C58f" "Two Knights: Morphy, Blackburne Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Qf3 cxb5")
  ("C58f" "Two Knights: Morphy, Paoli Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Qf3 Qc7 Bd3")
  ("C58g" "Two Knights: Morphy, Colman Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Qf3 Rb8")
  ("C58h" "Two Knights: Morphy, 8.Be2" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Be2")
  ("C59a" "Two Knights: Morphy, 8.Be2 h6" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Be2 h6")
  ("C59b" "Two Knights: Morphy, Steinitz Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Be2 h6 Nh3")
  ("C59c" "Two Knights: Morphy, Main Line 9.Nf3" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Be2 h6 Nf3")
  ("C59c" "Two Knights: Morphy, Main Line 9.Nf3 e4" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Be2 h6 Nf3 e4")
  ("C59c" "Two Knights: Morphy, Main Line 9.Nf3 e4 10.Ne5" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Be2 h6 Nf3 e4 Ne5")
  ("C59d" "Two Knights: Morphy, Steiner Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Be2 h6 Nf3 e4 Ne5 Bc5")
  ("C59e" "Two Knights: Morphy, Göring Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Be2 h6 Nf3 e4 Ne5 Qc7")
  ("C59f" "Two Knights: Morphy, Geller Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Be2 h6 Nf3 e4 Ne5 Qd4")
  ("C59g" "Two Knights: Main Line 10...Bd6" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Be2 h6 Nf3 e4 Ne5 Bd6")
  ("C59h" "Two Knights: Main Line, 11.f4" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Be2 h6 Nf3 e4 Ne5 Bd6 f4")
  ("C59i" "Two Knights: Main Line, 11.f4 exf3" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Be2 h6 Nf3 e4 Ne5 Bd6 f4 exf3")
  ("C59j" "Two Knights: Main Line, 11.d4" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Be2 h6 Nf3 e4 Ne5 Bd6 d4")
  ("C59j" "Two Knights: Main Line, 11.d4 Qc7" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Be2 h6 Nf3 e4 Ne5 Bd6 d4 Qc7")
  ("C59j" "Two Knights: Main Line, Knorre Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Be2 h6 Nf3 e4 Ne5 Bd6 d4 Qc7 Bd2")
  ("C59k" "Two Knights: Main Line, 11.d4 exd3" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Be2 h6 Nf3 e4 Ne5 Bd6 d4 exd3")
  ("C59k" "Two Knights: Main Line, 11.d4 exd3 12.Nxd3 Qc7" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Be2 h6 Nf3 e4 Ne5 Bd6 d4 exd3 Nxd3 Qc7")
  ("C59l" "Two Knights: Main Line, 11.d4, Honfi Variation" "e4 e5 Nf3 Nc6 Bc4 Nf6 Ng5 d5 exd5 Na5 Bb5+ c6 dxc6 bxc6 Be2 h6 Nf3 e4 Ne5 Bd6 d4 exd3 Nxd3 Qc7 b3")
  ("C60a" "Spanish (Ruy Lopez)" "e4 e5 Nf3 Nc6 Bb5")
  ("C60a" "Spanish: Spanish Countergambit" "e4 e5 Nf3 Nc6 Bb5 d5")
  ("C60b" "Spanish: 3...a5" "e4 e5 Nf3 Nc6 Bb5 a5")
  ("C60c" "Spanish: Nürnberg Variation" "e4 e5 Nf3 Nc6 Bb5 f6")
  ("C60d" "Spanish: Pollock Defence" "e4 e5 Nf3 Nc6 Bb5 Na5")
  ("C60e" "Spanish: Lucena Defence" "e4 e5 Nf3 Nc6 Bb5 Be7")
  ("C60f" "Spanish: Vinogradov Variation" "e4 e5 Nf3 Nc6 Bb5 Qe7")
  ("C60g" "Spanish: Brentano Variation" "e4 e5 Nf3 Nc6 Bb5 g5")
  ("C60h" "Spanish: Alapin Variation" "e4 e5 Nf3 Nc6 Bb5 Bb4")
  ("C60i" "Spanish: Alapin, 4.c3" "e4 e5 Nf3 Nc6 Bb5 Bb4 c3")
  ("C60j" "Spanish: Fianchetto (Smyslov) Defence" "e4 e5 Nf3 Nc6 Bb5 g6")
  ("C60k" "Spanish: Fianchetto, 4.O-O" "e4 e5 Nf3 Nc6 Bb5 g6 O-O")
  ("C60l" "Spanish: Fianchetto, 4.d4" "e4 e5 Nf3 Nc6 Bb5 g6 d4")
  ("C60m" "Spanish: Fianchetto, 4.d4 exd4 5.Bg5" "e4 e5 Nf3 Nc6 Bb5 g6 d4 exd4 Bg5")
  ("C60n" "Spanish: Fianchetto, 4.c3" "e4 e5 Nf3 Nc6 Bb5 g6 c3")
  ("C60o" "Spanish: Cozio Defence" "e4 e5 Nf3 Nc6 Bb5 Nge7")
  ("C60p" "Spanish: Cozio, 4.Nc3" "e4 e5 Nf3 Nc6 Bb5 Nge7 Nc3")
  ("C60q" "Spanish: Cozio, Paulsen Variation" "e4 e5 Nf3 Nc6 Bb5 Nge7 Nc3 g6")
  ("C60r" "Spanish: Cozio, 4.O-O" "e4 e5 Nf3 Nc6 Bb5 Nge7 c3")
  ("C60s" "Spanish: Cozio, 4.O-O" "e4 e5 Nf3 Nc6 Bb5 Nge7 O-O")
  ("C60t" "Spanish: Cozio, 4.O-O g6" "e4 e5 Nf3 Nc6 Bb5 Nge7 O-O g6")
  ("C60u" "Spanish: Cozio, 4.O-O g6" "e4 e5 Nf3 Nc6 Bb5 Nge7 O-O g6 c3")
  ("C61a" "Spanish: Bird's Defence" "e4 e5 Nf3 Nc6 Bb5 Nd4")
  ("C61b" "Spanish: Bird's, 4.Bc4" "e4 e5 Nf3 Nc6 Bb5 Nd4 Bc4")
  ("C61c" "Spanish: Bird's, 4.Nxd4" "e4 e5 Nf3 Nc6 Bb5 Nd4 Nxd4")
  ("C61c" "Spanish: Bird's, 4.Nxd4 exd4" "e4 e5 Nf3 Nc6 Bb5 Nd4 Nxd4 exd4")
  ("C61d" "Spanish: Bird's, 5.d3" "e4 e5 Nf3 Nc6 Bb5 Nd4 Nxd4 exd4 d3")
  ("C61e" "Spanish: Bird's, 5.Bc4" "e4 e5 Nf3 Nc6 Bb5 Nd4 Nxd4 exd4 Bc4")
  ("C61f" "Spanish: Bird's, 5.O-O" "e4 e5 Nf3 Nc6 Bb5 Nd4 Nxd4 exd4 O-O")
  ("C61f" "Spanish: Bird's, Paulsen Variation" "e4 e5 Nf3 Nc6 Bb5 Nd4 Nxd4 exd4 O-O Ne7")
  ("C61g" "Spanish: Bird's, 5.O-O c6" "e4 e5 Nf3 Nc6 Bb5 Nd4 Nxd4 exd4 O-O c6")
  ("C61h" "Spanish: Bird's, 5.O-O c6 6.Bc4" "e4 e5 Nf3 Nc6 Bb5 Nd4 Nxd4 exd4 O-O c6 Bc4")
  ("C61i" "Spanish: Bird's, 5.O-O Bc5" "e4 e5 Nf3 Nc6 Bb5 Nd4 Nxd4 exd4 O-O Bc5")
  ("C61j" "Spanish: Bird's, 5.O-O Bc5 6.d3" "e4 e5 Nf3 Nc6 Bb5 Nd4 Nxd4 exd4 O-O Bc5 d3")
  ("C61k" "Spanish: Bird's, 5.O-O Bc5 6.d3 c6" "e4 e5 Nf3 Nc6 Bb5 Nd4 Nxd4 exd4 O-O Bc5 d3 c6")
  ("C61l" "Spanish: Bird's, 5.O-O Bc5 6.d3 c6 7.Bc4" "e4 e5 Nf3 Nc6 Bb5 Nd4 Nxd4 exd4 O-O Bc5 d3 c6 Bc4")
  ("C61m" "Spanish: Bird's, 5.O-O Bc5 6.d3 c6 7.Bc4 d5" "e4 e5 Nf3 Nc6 Bb5 Nd4 Nxd4 exd4 O-O Bc5 d3 c6 Bc4 d5")
  ("C62" "Spanish: Old Steinitz" "e4 e5 Nf3 Nc6 Bb5 d6")
  ("C62" "Spanish: Old Steinitz, 4.Bxc6+" "e4 e5 Nf3 Nc6 Bb5 d6 Bxc6+")
  ("C62" "Spanish: Old Steinitz, 4.O-O" "e4 e5 Nf3 Nc6 Bb5 d6 O-O")
  ("C62" "Spanish: Old Steinitz, 4.c3" "e4 e5 Nf3 Nc6 Bb5 d6 c3")
  ("C62" "Spanish: Old Steinitz, 4.d4" "e4 e5 Nf3 Nc6 Bb5 d6 d4")
  ("C62" "Spanish: Old Steinitz, 4.d4 exd4" "e4 e5 Nf3 Nc6 Bb5 d6 d4 exd4")
  ("C62" "Spanish: Old Steinitz, 4.d4 exd4 5.Qxd4" "e4 e5 Nf3 Nc6 Bb5 d6 d4 exd4 Qxd4")
  ("C62" "Spanish: Old Steinitz, 4.d4 exd4 5.Nxd4" "e4 e5 Nf3 Nc6 Bb5 d6 d4 exd4 Nxd4")
  ("C62" "Spanish: Old Steinitz, 4.d4 Bd7" "e4 e5 Nf3 Nc6 Bb5 d6 d4 Bd7")
  ("C62" "Spanish: Old Steinitz, 4.d4 Bd7 5.Nc3" "e4 e5 Nf3 Nc6 Bb5 d6 d4 Bd7 Nc3")
  ("C62" "Spanish: Old Steinitz, Nimzowitsch Attack" "e4 e5 Nf3 Nc6 Bb5 d6 d4 Bd7 Nc3 Nf6 Bxc6")
  ("C62" "Spanish: Old Steinitz, Semi-Duras Variation" "e4 e5 Nf3 Nc6 Bb5 d6 d4 Bd7 c4")
  ("C63a" "Spanish: Schliemann (Jänisch)" "e4 e5 Nf3 Nc6 Bb5 f5")
  ("C63a" "Spanish: Schliemann, 4.Qe2" "e4 e5 Nf3 Nc6 Bb5 f5 Qe2")
  ("C63b" "Spanish: Schliemann, 4.exf5" "e4 e5 Nf3 Nc6 Bb5 f5 exf5")
  ("C63c" "Spanish: Schliemann, 4.d4" "e4 e5 Nf3 Nc6 Bb5 f5 d4")
  ("C63d" "Spanish: Schliemann, 4.d3" "e4 e5 Nf3 Nc6 Bb5 f5 d3")
  ("C63e" "Spanish: Schliemann, 4.d3 fxe4" "e4 e5 Nf3 Nc6 Bb5 f5 d3 fxe4")
  ("C63f" "Spanish: Schliemann, 4.d3 fxe4 5.dxe4 Nf6 6.O-O" "e4 e5 Nf3 Nc6 Bb5 f5 d3 fxe4 dxe4 Nf6 O-O")
  ("C63g" "Spanish: Schliemann, 4.Bxc6" "e4 e5 Nf3 Nc6 Bb5 f5 Bxc6")
  ("C63h" "Spanish: Schliemann, 4.Bxc6 dxc6" "e4 e5 Nf3 Nc6 Bb5 f5 Bxc6 dxc6")
  ("C63i" "Spanish: Schliemann, 4.Nc3" "e4 e5 Nf3 Nc6 Bb5 f5 Nc3")
  ("C63j" "Spanish: Schliemann, 4.Nc3 Nd4" "e4 e5 Nf3 Nc6 Bb5 f5 Nc3 Nd4")
  ("C63k" "Spanish: Schliemann, 4.Nc3 Nd4 5.Ba4" "e4 e5 Nf3 Nc6 Bb5 f5 Nc3 Nd4 Ba4")
  ("C63l" "Spanish: Schliemann, 4.Nc3 Nf6" "e4 e5 Nf3 Nc6 Bb5 f5 Nc3 Nf6")
  ("C63m" "Spanish: Schliemann, 4.Nc3 Nf6 5.exf5" "e4 e5 Nf3 Nc6 Bb5 f5 Nc3 Nf6 exf5")
  ("C63n" "Spanish: Schliemann, 4.Nc3 fxe4" "e4 e5 Nf3 Nc6 Bb5 f5 Nc3 fxe4")
  ("C63o" "Spanish: Schliemann, 4.Nc3 fxe4 5.Nxe4 Nf6" "e4 e5 Nf3 Nc6 Bb5 f5 Nc3 fxe4 Nxe4 Nf6")
  ("C63p" "Spanish: Schliemann, 4.Nc3 fxe4 5.Nxe4 Nf6 6.Qe2" "e4 e5 Nf3 Nc6 Bb5 f5 Nc3 fxe4 Nxe4 Nf6 Qe2")
  ("C63q" "Spanish: Schliemann, 4.Nc3 fxe4 5.Nxe4 Nf6 6.Nxf6+" "e4 e5 Nf3 Nc6 Bb5 f5 Nc3 fxe4 Nxe4 Nf6 Nxf6+")
  ("C63r" "Spanish: Schliemann, 4.Nc3 fxe4 5.Nxe4 d5" "e4 e5 Nf3 Nc6 Bb5 f5 Nc3 fxe4 Nxe4 d5")
  ("C63s" "Spanish: Schliemann, 4.Nc3 fxe4 5.Nxe4 d5 6.Nxe5" "e4 e5 Nf3 Nc6 Bb5 f5 Nc3 fxe4 Nxe4 d5 Nxe5")
  ("C63t" "Spanish: Schliemann, 4.Nc3 fxe4 5.Nxe4 d5 6.Nxe5 dxe4 7.Nxc6 Qd5" "e4 e5 Nf3 Nc6 Bb5 f5 Nc3 fxe4 Nxe4 d5 Nxe5 dxe4 Nxc6 Qd5")
  ("C63u" "Spanish: Schliemann, 4.Nc3 fxe4 5.Nxe4 d5 6.Nxe5 dxe4 7.Nxc6 Qg5" "e4 e5 Nf3 Nc6 Bb5 f5 Nc3 fxe4 Nxe4 d5 Nxe5 dxe4 Nxc6 Qg5")
  ("C64a" "Spanish: Classical Defence" "e4 e5 Nf3 Nc6 Bb5 Bc5")
  ("C64a" "Spanish: Classical, Exchange" "e4 e5 Nf3 Nc6 Bb5 Bc5 Bxc6")
  ("C64b" "Spanish: Classical, 4.c3" "e4 e5 Nf3 Nc6 Bb5 Bc5 c3")
  ("C64b" "Spanish: Classical, Boden Variation" "e4 e5 Nf3 Nc6 Bb5 Bc5 c3 Qe7")
  ("C64c" "Spanish: Classical, Charousek Variation" "e4 e5 Nf3 Nc6 Bb5 Bc5 c3 Bb6")
  ("C64d" "Spanish: Classical, 4.c3 Nge7" "e4 e5 Nf3 Nc6 Bb5 Bc5 c3 Nge7")
  ("C64e" "Spanish: Classical, 4.c3 Qf6" "e4 e5 Nf3 Nc6 Bb5 Bc5 c3 Qf6")
  ("C64f" "Spanish: Classical, Cordel Gambit" "e4 e5 Nf3 Nc6 Bb5 Bc5 c3 f5")
  ("C64g" "Spanish: Classical, Cordel Gambit, 5.d4" "e4 e5 Nf3 Nc6 Bb5 Bc5 c3 f5 d4")
  ("C64h" "Spanish: Classical, 4.c3 Nf6" "e4 e5 Nf3 Nc6 Bb5 Bc5 c3 Nf6")
  ("C64i" "Spanish: Classical, 4.c3 Nf6 5.d4" "e4 e5 Nf3 Nc6 Bb5 Bc5 c3 Nf6 d4")
  ("C64j" "Spanish: Classical, 4.c3 Nf6 5.d4 Bb6" "e4 e5 Nf3 Nc6 Bb5 Bc5 c3 Nf6 d4 Bb6")
  ("C64k" "Spanish: Classical, 4.O-O" "e4 e5 Nf3 Nc6 Bb5 Bc5 O-O")
  ("C64l" "Spanish: Classical, 4.O-O Nge7" "e4 e5 Nf3 Nc6 Bb5 Bc5 O-O Nge7")
  ("C64m" "Spanish: Classical, 4.O-O Qf6" "e4 e5 Nf3 Nc6 Bb5 Bc5 O-O Qf6")
  ("C64n" "Spanish: Classical, 4.O-O d6" "e4 e5 Nf3 Nc6 Bb5 Bc5 O-O d6")
  ("C64o" "Spanish: Classical, 4.O-O d6 5.c3" "e4 e5 Nf3 Nc6 Bb5 Bc5 O-O d6 c3")
  ("C64p" "Spanish: Classical, 4.O-O Nd4" "e4 e5 Nf3 Nc6 Bb5 Bc5 O-O Nd4")
  ("C64q" "Spanish: Classical, Zaitsev Variation" "e4 e5 Nf3 Nc6 Bb5 Bc5 O-O Nd4 b4")
  ("C64r" "Spanish: Classical, 4.O-O Nd4 5.Bc4" "e4 e5 Nf3 Nc6 Bb5 Bc5 O-O Nd4 Bc4")
  ("C64s" "Spanish: Classical, 4.O-O Nd4 5.Nxd4" "e4 e5 Nf3 Nc6 Bb5 Bc5 O-O Nd4 Nxd4")
  ("C64s" "Spanish: Classical, 4.O-O Nd4 5.Nxd4 Bxd4" "e4 e5 Nf3 Nc6 Bb5 Bc5 O-O Nd4 Nxd4 Bxd4")
  ("C64s" "Spanish: Classical, 4.O-O Nd4 5.Nxd4 Bxd4 6.c3" "e4 e5 Nf3 Nc6 Bb5 Bc5 O-O Nd4 Nxd4 Bxd4 c3")
  ("C64s" "Spanish: Classical, 4.O-O Nd4 5.Nxd4 Bxd4 6.c3 Bb6" "e4 e5 Nf3 Nc6 Bb5 Bc5 O-O Nd4 Nxd4 Bxd4 c3 Bb6")
  ("C64t" "Spanish: Classical, 4.O-O Nd4 5.Nxd4 Bxd4 6.c3 Bb6 7.d4" "e4 e5 Nf3 Nc6 Bb5 Bc5 O-O Nd4 Nxd4 Bxd4 c3 Bb6 d4")
  ("C64u" "Spanish: Classical, 6.c3 Bb6 7.d4 c6 8.Ba4" "e4 e5 Nf3 Nc6 Bb5 Bc5 O-O Nd4 Nxd4 Bxd4 c3 Bb6 d4 c6 Ba4")
  ("C64v" "Spanish: Classical, 6.c3 Bb6 7.d4 c6 8.Ba4 d6 9.Na3" "e4 e5 Nf3 Nc6 Bb5 Bc5 O-O Nd4 Nxd4 Bxd4 c3 Bb6 d4 c6 Ba4 d6 Na3")
  ("C65a" "Spanish: Berlin Defence" "e4 e5 Nf3 Nc6 Bb5 Nf6")
  ("C65b" "Spanish: Berlin, 4.Qe2" "e4 e5 Nf3 Nc6 Bb5 Nf6 Qe2")
  ("C65c" "Spanish: Berlin, 4.d4" "e4 e5 Nf3 Nc6 Bb5 Nf6 d4")
  ("C65d" "Spanish: Berlin, 4.d4 exd4" "e4 e5 Nf3 Nc6 Bb5 Nf6 d4 exd4")
  ("C65e" "Spanish: Berlin, Nyholm Attack" "e4 e5 Nf3 Nc6 Bb5 Nf6 d4 exd4 O-O")
  ("C65f" "Spanish: Berlin, 4.d3" "e4 e5 Nf3 Nc6 Bb5 Nf6 d3")
  ("C65g" "Spanish: Berlin, Mortimer Variation" "e4 e5 Nf3 Nc6 Bb5 Nf6 d3 Ne7")
  ("C65g" "Spanish: Berlin, Mortimer Trap" "e4 e5 Nf3 Nc6 Bb5 Nf6 d3 Ne7 Nxe5 c6")
  ("C65h" "Spanish: Berlin, 4.d3 d6" "e4 e5 Nf3 Nc6 Bb5 Nf6 d3 d6")
  ("C65h" "Spanish: Berlin, Anderssen Variation" "e4 e5 Nf3 Nc6 Bb5 Nf6 d3 d6 Bxc6+")
  ("C65h" "Spanish: Berlin, Duras Variation" "e4 e5 Nf3 Nc6 Bb5 Nf6 d3 d6 c4")
  ("C65i" "Spanish: Berlin, 4.d3 d6 5.c3" "e4 e5 Nf3 Nc6 Bb5 Nf6 d3 d6 c3")
  ("C65j" "Spanish: Berlin, 4.d3 Bc5" "e4 e5 Nf3 Nc6 Bb5 Nf6 d3 Bc5")
  ("C65j" "Spanish: Berlin, Kaufmann Variation" "e4 e5 Nf3 Nc6 Bb5 Nf6 d3 Bc5 Be3")
  ("C65k" "Spanish: Berlin, 4.O-O" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O")
  ("C65l" "Spanish: Berlin, 4.O-O Be7" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Be7")
  ("C65m" "Spanish: Berlin, Beverwijk Variation" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Bc5")
  ("C65n" "Spanish: Berlin, Beverwijk, 5.c3" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Bc5 c3")
  ("C65o" "Spanish: Berlin, Benelux Variation" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Bc5 c3 O-O d4 Bb6")
  ("C65p" "Spanish: Berlin, Benelux Variation, 7.Bg5" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Bc5 c3 O-O d4 Bb6 Bg5")
  ("C65q" "Spanish: Berlin, Beverwijk, 5.Nxe5" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Bc5 Nxe5")
  ("C66" "Spanish: Closed Berlin" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O d6")
  ("C66" "Spanish: Closed Berlin, 5.Re1" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O d6 Re1")
  ("C66" "Spanish: Closed Berlin, 5.d4" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O d6 d4")
  ("C66" "Spanish: Closed Berlin, Chigorin Variation" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O d6 d4 Nd7")
  ("C66" "Spanish: Closed Berlin, 5.d4 Bd7" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O d6 d4 Bd7")
  ("C66" "Spanish: Closed Berlin, Wolf Variation" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O d6 d4 Bd7 Nc3 exd4")
  ("C66" "Spanish: Closed Berlin, Hedgehog Variation" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O d6 d4 Bd7 Nc3 Be7")
  ("C66" "Spanish: Closed Berlin, Tarrasch Trap" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O d6 d4 Bd7 Nc3 Be7 Re1 O-O")
  ("C66" "Spanish: Closed Berlin, Bernstein Variation" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O d6 d4 Bd7 Nc3 Be7 Bg5")
  ("C66" "Spanish: Closed Berlin, Showalter Variation" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O d6 d4 Bd7 Nc3 Be7 Bxc6")
  ("C67a" "Spanish: Open Berlin" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4")
  ("C67b" "Spanish: Open Berlin, 5.Qe2" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 Qe2")
  ("C67c" "Spanish: Open Berlin, 5.Re1" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 Re1")
  ("C67d" "Spanish: Open Berlin, 5.Re1 Nd6 6.Nxe5" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 Re1 Nd6 Nxe5")
  ("C67e" "Spanish: Open Berlin, 5.d4" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4")
  ("C67e" "Spanish: Open Berlin, Rosenthal Variation" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 a6")
  ("C67f" "Spanish: Open Berlin, 5...Be7" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Be7")
  ("C67g" "Spanish: Berlin, Minckwitz Variation" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Be7 dxe5")
  ("C67h" "Spanish: Open Berlin, 5...Be7 6.Qe2" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Be7 Qe2")
  ("C67h" "Spanish: Open Berlin, Trifunovic Variation" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Be7 Qe2 d5")
  ("C67i" "Spanish: Open Berlin, 5...Be7 6.Qd2 Nd6" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Be7 Qe2 Nd6")
  ("C67i" "Spanish: Open Berlin, Cordel Variation" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Be7 Qe2 Nd6 Bxc6 bxc6 dxe5 Nf5")
  ("C67j" "Spanish: Open Berlin, 5...Be7 6.Qd2 Nd6 7.Bxc6 bxc6 8.dxe5 Nb7" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Be7 Qe2 Nd6 Bxc6 bxc6 dxe5 Nb7")
  ("C67j" "Spanish: Open Berlin, Pillsbury Variation" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Be7 Qe2 Nd6 Bxc6 bxc6 dxe5 Nb7 b3")
  ("C67j" "Spanish: Open Berlin, Zukertort Variation" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Be7 Qe2 Nd6 Bxc6 bxc6 dxe5 Nb7 c4")
  ("C67k" "Spanish: Open Berlin, Winawer Attack" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Be7 Qe2 Nd6 Bxc6 bxc6 dxe5 Nb7 Nd4")
  ("C67l" "Spanish: Open Berlin, Main Line 9.Nc3 (Rio de Janerio)" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Be7 Qe2 Nd6 Bxc6 bxc6 dxe5 Nb7 Nc3")
  ("C67m" "Spanish: Open Berlin, 5.d4 Nd6" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Nd6")
  ("C67m" "Spanish: Open Berlin, Showalter Variation" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Nd6 Ba4")
  ("C67n" "Spanish: Open Berlin, 5.d4 Nd6 6.dxe5" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Nd6 dxe5")
  ("C67o" "Spanish: Open Berlin, 5.d4 Nd6 6.Bxc6" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Nd6 Bxc6")
  ("C67p" "Spanish: Open Berlin, 5.d4 Nd6 6.Bxc6 dxc6" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Nd6 Bxc6 dxc6")
  ("C67q" "Spanish: Open Berlin, 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Nf5" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Nd6 Bxc6 dxc6 dxe5 Nf5")
  ("C67r" "Spanish: Open Berlin, 5.d4 Nd6 Queenswap" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Nd6 Bxc6 dxc6 dxe5 Nf5 Qxd8+")
  ("C67s" "Spanish: Open Berlin, 5.d4 Nd6 Queenswap, 9.Nc3" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Nd6 Bxc6 dxc6 dxe5 Nf5 Qxd8+ Kxd8 Nc3")
  ("C67t" "Spanish: Open Berlin, 5.d4 Nd6 Queenswap, 9.Nc3 h6" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Nd6 Bxc6 dxc6 dxe5 Nf5 Qxd8+ Kxd8 Nc3 h6")
  ("C67u" "Spanish: Open Berlin, 5.d4 Nd6 Queenswap, 9.Nc3 Ke8" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Nd6 Bxc6 dxc6 dxe5 Nf5 Qxd8+ Kxd8 Nc3 Ke8")
  ("C67v" "Spanish: Open Berlin, 5.d4 Nd6 Queenswap, 9.Nc3 Ke8 10.Rd1" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Nd6 Bxc6 dxc6 dxe5 Nf5 Qxd8+ Kxd8 Nc3 Ke8 Rd1")
  ("C67w" "Spanish: Open Berlin, 5.d4 Nd6 Queenswap, 9.Nc3 Ke8 10.h3" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Nd6 Bxc6 dxc6 dxe5 Nf5 Qxd8+ Kxd8 Nc3 Ke8 h3")
  ("C67x" "Spanish: Open Berlin, 5.d4 Nd6 Queenswap, 9.Nc3 Ke8 10.h3 a5" "e4 e5 Nf3 Nc6 Bb5 Nf6 O-O Nxe4 d4 Nd6 Bxc6 dxc6 dxe5 Nf5 Qxd8+ Kxd8 Nc3 Ke8 h3 a5")
  ("C68a" "Spanish: 3...a6" "e4 e5 Nf3 Nc6 Bb5 a6")
  ("C68b" "Spanish: 3...a6 4.Bc4" "e4 e5 Nf3 Nc6 Bb5 a6 Bc4")
  ("C68c" "Spanish: Exchange Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6")
  ("C68c" "Spanish: Exchange, 4...bxc6" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 bxc6")
  ("C68d" "Spanish: Exchange, 4...dxc6" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6")
  ("C68e" "Spanish: Exchange, Lasker Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 d4")
  ("C68f" "Spanish: Exchange, Alekhine Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 d4 exd4 Qxd4 Qxd4 Nxd4 Bd7")
  ("C68g" "Spanish: Exchange, Keres Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 Nc3")
  ("C68h" "Spanish: Exchange, Keres, 5...f6" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 Nc3 f6")
  ("C68h" "Spanish: Exchange, Romanovsky Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 Nc3 f6 d3")
  ("C68i" "Spanish: Exchange, 5.Nc3 f6 6.d4" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 Nc3 f6 d4")
  ("C68j" "Spanish: Exchange, 5.O-O" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O")
  ("C68k" "Spanish: Exchange, 5.O-O Ne7" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O Ne7")
  ("C68l" "Spanish: Exchange, 5.O-O Bd6" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O Bd6")
  ("C68m" "Spanish: Exchange, 5.O-O Bd6 6.d4 exd4" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O Bd6 d4 exd4")
  ("C68n" "Spanish: Exchange, 5.O-O Bg4" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O Bg4")
  ("C68n" "Spanish: Exchange, 5.O-O Bg4 6.h3" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O Bg4 h3")
  ("C68o" "Spanish: Exchange, Alapin Gambit" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O Bg4 h3 h5")
  ("C68p" "Spanish: Exchange, Alapin Gambit, 7.d3 Qf6 8.Nbd2" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O Bg4 h3 h5 d3 Qf6 Nbd2")
  ("C68q" "Spanish: Exchange, Bronstein Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O Qd6")
  ("C68r" "Spanish: Exchange, Bronstein, 6.d3" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O Qd6 d3")
  ("C68s" "Spanish: Exchange, Bronstein, 6.Na3" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O Qd6 Na3")
  ("C68t" "Spanish: Exchange, Bronstein, 6.Na3 b5" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O Qd6 Na3 b5")
  ("C68u" "Spanish: Exchange, Bronstein, 6.Na3 Be6" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O Qd6 Na3 Be6")
  ("C69a" "Spanish: Exchange, Gligoric Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O f6")
  ("C69b" "Spanish: Exchange, Gligoric, 6.d4" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O f6 d4")
  ("C69b" "Spanish: Exchange, Gligoric, 6.d4 Bg4" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O f6 d4 Bg4")
  ("C69c" "Spanish: Exchange, Gligoric, 6.d4 Bg4 7.c3" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O f6 d4 Bg4 c3")
  ("C69d" "Spanish: Exchange, Gligoric, 6.d4 Bg4 7.c3 Bd6" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O f6 d4 Bg4 c3 Bd6")
  ("C69e" "Spanish: Exchange, Gligoric, 6.d4 Bg4 7.dxe5" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O f6 d4 Bg4 dxe5")
  ("C69f" "Spanish: Exchange, Gligoric, 6.d4 Bg4 Queenswap, 9.Rd3" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O f6 d4 Bg4 dxe5 Qxd1 Rxd1 fxe5 Rd3")
  ("C69g" "Spanish: Exchange, Gligoric, 6.d4 Bg4 Queenswap, 9.Rd3 Bd6" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O f6 d4 Bg4 dxe5 Qxd1 Rxd1 fxe5 Rd3 Bd6")
  ("C69h" "Spanish: Exchange, Gligoric, 6.d4 exd4" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O f6 d4 exd4")
  ("C69h" "Spanish: Exchange, Gligoric, 6.d4 exd4 7.Qxd4" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O f6 d4 exd4 Nxd4")
  ("C69i" "Spanish: Exchange, Gligoric, 6.d4 exd4 7.Nxd4" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O f6 d4 exd4 Qxd4")
  ("C69i" "Spanish: Exchange, Gligoric, 6.d4 exd4 7.Nxd4 Ne7" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O f6 d4 exd4 Nxd4 Ne7")
  ("C69j" "Spanish: Exchange, Gligoric, 6.d4 exd4 7.Nxd4 c5" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O f6 d4 exd4 Nxd4 c5")
  ("C69j" "Spanish: Exchange, Gligoric, 8.Ne2" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O f6 d4 exd4 Nxd4 c5 Ne2")
  ("C69k" "Spanish: Exchange, Gligoric, 8.Nb3" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O f6 d4 exd4 Nxd4 c5 Nb3")
  ("C69k" "Spanish: Exchange, Gligoric, 8.Nb3 Queenswap" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O f6 d4 exd4 Nxd4 c5 Nb3 Qxd1 Rxd1")
  ("C69l" "Spanish: Exchange, Gligoric, 8.Nb3 Queenswap, 9...Bd7" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O f6 d4 exd4 Nxd4 c5 Nb3 Qxd1 Rxd1 Bd7")
  ("C69m" "Spanish: Exchange, Gligoric, 8.Nb3 Queenswap, 9...Bg4" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O f6 d4 exd4 Nxd4 c5 Nb3 Qxd1 Rxd1 Bg4")
  ("C69n" "Spanish: Exchange, Gligoric, 8.Nb3 Queenswap, 9...Bg4 10.f3 Be6" "e4 e5 Nf3 Nc6 Bb5 a6 Bxc6 dxc6 O-O f6 d4 exd4 Nxd4 c5 Nb3 Qxd1 Rxd1 Bg4 f3 Be6")
  ("C70" "Spanish: 4.Ba4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4")
  ("C70" "Spanish: Brentano Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 g5")
  ("C70" "Spanish: 4.Ba4 Be7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Be7")
  ("C70" "Spanish: Fianchetto Deferred" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 g6")
  ("C70" "Spanish: Alapin Deferred" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Bb4")
  ("C70" "Spanish: Cozio Deferred" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nge7")
  ("C70" "Spanish: Bird's Deferred" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nd4")
  ("C70" "Spanish: Classical Deferred" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Bc5")
  ("C70" "Spanish: Caro Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 b5")
  ("C70" "Spanish: Graz Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 b5 Bb3 Bc5")
  ("C70" "Spanish: Taimanov (Wing) Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 b5 Bb3 Na5")
  ("C70" "Spanish: Schliemann Deferred" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 f5")
  ("C70" "Spanish: Schliemann Deferred, 5.d4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 f5 d4")
  ("C70" "Spanish: Schliemann Deferred, 5.d4 exd4 6.e5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 f5 d4 exd4 e5")
  ("C71" "Spanish: Modern Steinitz Defence" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6")
  ("C71" "Spanish: Modern Steinitz, Three Knights Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 Nc3")
  ("C71" "Spanish: Modern Steinitz, 5.d4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 d4")
  ("C71" "Spanish: Modern Steinitz, Noah's Ark Trap" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 d4 b5 Bb3 Nxd4 Nxd4 exd4 Qxd4 c5")
  ("C71" "Spanish: Modern Steinitz, Keres Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c4")
  ("C72" "Spanish: Modern Steinitz, 5.O-O" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 O-O")
  ("C72" "Spanish: Modern Steinitz, 5.O-O Ne7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 O-O Ne7")
  ("C72" "Spanish: Modern Steinitz, 5.O-O Bg4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 O-O Bg4")
  ("C72" "Spanish: Modern Steinitz, 5.O-O Bg4 6.h3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 O-O Bg4 h3")
  ("C72" "Spanish: Modern Steinitz, 5.O-O Bd7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 O-O Bd7")
  ("C72" "Spanish: Modern Steinitz, 5.O-O Bd7 6.d4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 O-O Bd7 d4")
  ("C73" "Spanish: Modern Steinitz, Richter Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 Bxc6+")
  ("C73" "Spanish: Modern Steinitz, Richter Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 Bxc6+ bxc6")
  ("C73" "Spanish: Modern Steinitz, Richter Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 Bxc6+ bxc6 d4")
  ("C73" "Spanish: Modern Steinitz, Alapin Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 Bxc6+ bxc6 d4 f6")
  ("C74" "Spanish: Modern Steinitz, 5.c3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3")
  ("C74" "Spanish: Modern Steinitz, 5.c3 g6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 g6")
  ("C74" "Spanish: Modern Steinitz, Siesta Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 f5")
  ("C74" "Spanish: Modern Steinitz, Siesta, 6.exf5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 f5 exf5")
  ("C74" "Spanish: Modern Steinitz, Siesta, Kopayev Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 f5 exf5 Bxf5 O-O")
  ("C74" "Spanish: Modern Steinitz, Siesta, Kopayev, Main Line" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 f5 exf5 Bxf5 O-O Bd3 Re1 Be7 Bc2 Bxc2 Qxc2")
  ("C75" "Spanish: Modern Steinitz, 5.c3 Bd7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 Bd7")
  ("C75" "Spanish: Modern Steinitz, 5.c3 Bd7 6.O-O" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 Bd7 O-O")
  ("C75" "Spanish: Modern Steinitz, 5.c3 Bd7 6.d4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 Bd7 d4")
  ("C75" "Spanish: Modern Steinitz, 5.c3 Bd7 6.d4 Nf6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 Bd7 d4 Nf6")
  ("C75" "Spanish: Modern Steinitz, Rubinstein Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 Bd7 d4 Nge7")
  ("C75" "Spanish: Modern Steinitz, Rubinstein, 7.Bb3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 Bd7 d4 Nge7 Bb3")
  ("C75" "Spanish: Modern Steinitz, Rubinstein, 7.Be3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 Bd7 d4 Nge7 Be3")
  ("C76" "Spanish: Modern Steinitz, Bronstein Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 Bd7 d4 g6")
  ("C76" "Spanish: Modern Steinitz, Bronstein, 7.O-O" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 Bd7 d4 g6 O-O")
  ("C76" "Spanish: Modern Steinitz, Bronstein, 7.O-O Bg7 8.Re1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 Bd7 d4 g6 O-O Bg7 Re1")
  ("C76" "Spanish: Modern Steinitz, Bronstein, 7.O-O Bg7 8.dxe5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 Bd7 d4 g6 O-O Bg7 dxe5")
  ("C76" "Spanish: Modern Steinitz, Bronstein, 7.O-O Bg7 8.dxe5 dxe5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 Bd7 d4 g6 O-O Bg7 dxe5 dxe5")
  ("C76" "Spanish: Modern Steinitz, Bronstein, 7.O-O Bg7 8.dxe5 Nxe5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 Bd7 d4 g6 O-O Bg7 dxe5 Nxe5")
  ("C76" "Spanish: Modern Steinitz, Bronstein, 7.O-O Bg7 8.d5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 d6 c3 Bd7 d4 g6 O-O Bg7 d5")
  ("C77a" "Spanish: Morphy Defence" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6")
  ("C77b" "Spanish: Anderssen Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 d3")
  ("C77c" "Spanish: Anderssen, 5...b5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 d3 b5")
  ("C77d" "Spanish: Anderssen, 5...d6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 d3 d6")
  ("C77e" "Spanish: Duras Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 d3 d6 c4")
  ("C77f" "Spanish: Anderssen, 5...d6 6.c3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 d3 d6 c3")
  ("C77g" "Spanish: Anderssen, 5...d6 6.c3 g6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 d3 d6 c3 g6")
  ("C77h" "Spanish: Four Knights (Tarrasch) Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 Nc3")
  ("C77i" "Spanish: Exchange Deferred" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 Bxc6")
  ("C77j" "Spanish: Centre Attack" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 d4")
  ("C77k" "Spanish: Centre Attack, 5...b5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 d4 b5")
  ("C77l" "Spanish: Centre Attack, 5...Nxd4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 d4 Nxd4")
  ("C77m" "Spanish: Centre Attack, 5...Nxe4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 d4 Nxe4")
  ("C77n" "Spanish: Centre Attack, 5...Be7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 d4 Be7")
  ("C77o" "Spanish: Centre Attack, 5...exd4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 d4 exd4")
  ("C77p" "Spanish: Wormald Attack" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 Qe2")
  ("C77q" "Spanish: Wormald Attack, 5...Be7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 Qe2 Be7")
  ("C77r" "Spanish: Wormald Attack, 5...b5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 Qe2 b5")
  ("C77s" "Spanish: Wormald Attack, 5...b5 6.Bb3 Bc5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 Qe2 b5 Bb3 Bc5")
  ("C77t" "Spanish: Wormald Attack, 5...b5 6.Bb3 Bc5 7.c3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 Qe2 b5 Bb3 Bc5 c3")
  ("C77u" "Spanish: Wormald Attack, 5...b5 6.Bb3 Be7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 Qe2 b5 Bb3 Be7")
  ("C77u" "Spanish: Wormald Attack, Grünfeld Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 Qe2 b5 Bb3 Be7 d4 d6 c3 Bg4")
  ("C78a" "Spanish: 5.O-O" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O")
  ("C78b" "Spanish: Möller Defence" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Bc5")
  ("C78c" "Spanish: Möller Defence, 6.Nxe5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Bc5 Nxe5")
  ("C78d" "Spanish: Möller Defence, 6.c3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Bc5 c3")
  ("C78e" "Spanish: 5.O-O b5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5")
  ("C78e" "Spanish: 5.O-O b5 6.Bb3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3")
  ("C78f" "Spanish: 5.O-O b5 6.Bb3 d6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 d6")
  ("C78f" "Spanish: Rabinovich Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 d6 Ng5 d5 exd5 Nd4 Re1 Bc5 Rxe5+ Kf8")
  ("C78g" "Spanish: 5.O-O b5 6.Bb3 Be7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Be7")
  ("C78g" "Spanish: 5.O-O b5 6.Bb3 Be7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Be7 d4")
  ("C78h" "Spanish: 5.O-O b5 6.Bb3 Bc5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bc5")
  ("C78i" "Spanish: 5.O-O b5 6.Bb3 Bc5 7.Nxe5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bc5 Nxe5")
  ("C78i" "Spanish: 5.O-O b5 6.Bb3 Bc5 7.Nxe5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bc5 Nxe5 Nxe5 d4")
  ("C78j" "Spanish: 5.O-O b5 6.Bb3 Bc5 7.c3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bc5 c3")
  ("C78j" "Spanish: 5.O-O b5 6.Bb3 Bc5 7.c3 d6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bc5 c3 d6")
  ("C78k" "Spanish: 5.O-O b5 6.Bb3 Bc5 7.c3 d6 8.d4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bc5 c3 d6 d4")
  ("C78l" "Spanish: 5.O-O b5 6.Bb3 Bc5 7.a4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bc5 a4")
  ("C78m" "Spanish: 5.O-O b5 6.Bb3 Bc5 7.a4 Rb8" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bc5 a4 Rb8")
  ("C78n" "Spanish: Archangelsk Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bb7")
  ("C78o" "Spanish: Archangelsk, 7.d4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bb7 d4")
  ("C78p" "Spanish: Archangelsk, 7.d3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bb7 d3")
  ("C78q" "Spanish: Archangelsk, 7.d3 Be7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bb7 d3 Be7")
  ("C78r" "Spanish: Archangelsk, 7.c3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bb7 c3")
  ("C78s" "Spanish: Archangelsk, 7.c3 Nxe4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bb7 c3 Nxe4")
  ("C78t" "Spanish: Archangelsk, 7.Re1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bb7 Re1")
  ("C78t" "Spanish: Archangelsk, 7.Re1 Bc5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bb7 Re1 Bc5")
  ("C78u" "Spanish: Archangelsk, 7.Re1 Bc5 8.c3 d6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bb7 Re1 Bc5 c3 d6")
  ("C78u" "Spanish: Archangelsk, Main Line" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bb7 Re1 Bc5 c3 d6 d4 Bb6")
  ("C78v" "Spanish: Archangelsk, Main Line, 10.a4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bb7 Re1 Bc5 c3 d6 d4 Bb6 a4")
  ("C78w" "Spanish: Archangelsk, Main Line, 10.Bg5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bb7 Re1 Bc5 c3 d6 d4 Bb6 Bg5")
  ("C78x" "Spanish: Archangelsk, Main Line, 10.Be3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O b5 Bb3 Bb7 Re1 Bc5 c3 d6 d4 Bb6 Be3")
  ("C79" "Spanish: Steinitz Deferred" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O d6")
  ("C79" "Spanish: Steinitz Deferred, 6.c3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O d6 c3")
  ("C79" "Spanish: Steinitz Deferred, 6.Re1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O d6 Re1")
  ("C79" "Spanish: Steinitz Deferred, Exchange" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O d6 Bxc6+")
  ("C79" "Spanish: Steinitz Deferred, Lipnitsky Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O d6 Bxc6+ bxc6 d4 Bg4")
  ("C79" "Spanish: Steinitz Deferred, Rubinstein Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O d6 Bxc6+ bxc6 d4 Nxe4")
  ("C79" "Spanish: Steinitz Deferred, Boleslavsky Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O d6 Bxc6+ bxc6 d4 Nxe4 Re1 f5 dxe5 d5 Nc3")
  ("C80a" "Spanish: Open" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4")
  ("C80b" "Spanish: Open, Knorre Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 Nc3")
  ("C80c" "Spanish: Open, Tartakower Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 Qe2")
  ("C80d" "Spanish: Open, 6.Re1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 Re1")
  ("C80e" "Spanish: Open, 6.Re1 Nc5 7.Bxc6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 Re1 Nc5 Bxc6")
  ("C80f" "Spanish: Open, 6.d4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4")
  ("C80g" "Spanish: Open, Riga Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 exd4")
  ("C80h" "Spanish: Open, 6.d4 Be7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 Be7")
  ("C80i" "Spanish: Open, 6.d4 b5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5")
  ("C80i" "Spanish: Open, Friess Attack" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Nxe5")
  ("C80i" "Spanish: Open, Richter Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 d5")
  ("C80j" "Spanish: Open, 7.Bb3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3")
  ("C80k" "Spanish: Open, 7.Bb3 d5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5")
  ("C80k" "Spanish: Open, 7.Bb3 d5 8.a4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 a4")
  ("C80k" "Spanish: Open, Schlechter Defence" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 a4 Nxd4")
  ("C80k" "Spanish: Open, Schlecter, Berger Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 a4 Nxd4 Nxd4 exd4 Nc3")
  ("C80k" "Spanish: Open, Harksen Gambit" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 c4")
  ("C80l" "Spanish: Open, 8.Nxe5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 Nxe5")
  ("C80m" "Spanish: Open, 8.dxe5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5")
  ("C80m" "Spanish: Open, Zukertort Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Ne7")
  ("C80n" "Spanish: Open, 8...Be6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6")
  ("C80n" "Spanish: Open, 8...Be6 9.a4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 a4")
  ("C80o" "Spanish: Open, 8...Be6 9.Be3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Be3")
  ("C80p" "Spanish: Open, Bernstein Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Nbd2")
  ("C80q" "Spanish: Open, Bernstein, 9...Bc5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Nbd2 Bc5")
  ("C80r" "Spanish: Open, Bernstein, 9...Nc5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Nbd2 Nc5")
  ("C80s" "Spanish: Open, Bernstein, 9...Nc5 10.c3 d4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Nbd2 Nc5 c3 d4")
  ("C80s" "Spanish: Open, Bernstein, 11.cxd4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Nbd2 Nc5 c3 d4 cxd4")
  ("C80t" "Spanish: Open, Bernstein, Karpov Gambit" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Nbd2 Nc5 c3 d4 Ng5")
  ("C80u" "Spanish: Open, Bernstein, 11.Bxe6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Nbd2 Nc5 c3 d4 Bxe6")
  ("C81" "Spanish: Open, Keres Attack" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Qe2")
  ("C81" "Spanish: Open, Keres Attack, 9...Bc5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Qe2 Bc5")
  ("C81" "Spanish: Open, Keres Attack, 9...Be7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Qe2 Be7")
  ("C81" "Spanish: Open, Keres, Adam Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Qe2 Be7 c4")
  ("C81" "Spanish: Open, Keres, 10.Rd1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Qe2 Be7 Rd1")
  ("C81" "Spanish: Open, Keres, 10.Rd1 O-O" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Qe2 Be7 Rd1 O-O")
  ("C81" "Spanish: Open, Keres, 10.Rd1 O-O 11.c3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Qe2 Be7 Rd1 O-O c3")
  ("C81" "Spanish: Open, Keres, 10.Rd1 O-O 11.c4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Qe2 Be7 Rd1 O-O c4")
  ("C81" "Spanish: Open, Keres, 10.Rd1 O-O 11.c4 bxc4 12.Bxc4 Bc5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Qe2 Be7 Rd1 O-O c4 bxc4 Bxc4 Bc5")
  ("C81" "Spanish: Open, Keres, Ekstrom Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 Qe2 Be7 Rd1 O-O c4 bxc4 Bxc4 Qd7")
  ("C82a" "Spanish: Open, 9.c3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3")
  ("C82b" "Spanish: Open, Berlin Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Nc5")
  ("C82b" "Spanish: Open, Berlin, 10.Bc2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Nc5 Bc2")
  ("C82c" "Spanish: Open, Berlin, 10.Bc2 Bg4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Nc5 Bc2 Bg4")
  ("C82d" "Spanish: Open, Berlin, 10.Bc2 Bg4 11.Re1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Nc5 Bc2 Bg4 Re1")
  ("C82e" "Spanish: Open, Berlin, 10.Bc2 Bg4 11.Nbd2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Nc5 Bc2 Bg4 Nbd2")
  ("C82e" "Spanish: Open, Berlin, 10.Bc2 Bg4 11.Nbd2 Be7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Nc5 Bc2 Bg4 Nbd2 Be7")
  ("C82f" "Spanish: Open, Berlin, 10.Bc2 Bg4 11.Nbd2 Be7 12.Re1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Nc5 Bc2 Bg4 Nbd2 Be7 Re1")
  ("C82g" "Spanish: Open, Berlin, 10.Bc2 Bg4 11.Nbd2 Be7 12.Re1 Qd7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Nc5 Bc2 Bg4 Nbd2 Be7 Re1 Qd7")
  ("C82h" "Spanish: Open, Berlin, 10.Bc2 Bg4 11.Nbd2 Be7 12.Re1 O-O" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Nc5 Bc2 Bg4 Nbd2 Be7 Re1 O-O")
  ("C82i" "Spanish: Open, Italian Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Bc5")
  ("C82j" "Spanish: Open, Motzko Attack" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Bc5 Qd3")
  ("C82j" "Spanish: Open, Motzko Attack, Nenarokov Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Bc5 Qd3 Ne7")
  ("C82k" "Spanish: Open, St. Petersburg Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Bc5 Nbd2")
  ("C82k" "Spanish: Open, St. Petersburg Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Bc5 Nbd2 O-O")
  ("C82l" "Spanish: Open, St. Petersburg, 11.Bc2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Bc5 Nbd2 O-O Bc2")
  ("C82m" "Spanish: Open, St. Petersburg, 11.Bc2 f5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Bc5 Nbd2 O-O Bc2 f5")
  ("C82n" "Spanish: Open, Baguio Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Bc5 Nbd2 O-O Bc2 Bf5")
  ("C82n" "Spanish: Open, Baguio, 12.Nb3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Bc5 Nbd2 O-O Bc2 Bf5 Nb3")
  ("C82o" "Spanish: Open, Dilworth Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Bc5 Nbd2 O-O Bc2 Nxf2")
  ("C82o" "Spanish: Open, Dilworth, 12.Rxf2 f6 13.exf6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Bc5 Nbd2 O-O Bc2 Nxf2 Rxf2 f6 exf6")
  ("C82p" "Spanish: Open, Dilworth, 14.Kxf2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Bc5 Nbd2 O-O Bc2 Nxf2 Rxf2 f6 exf6 Bxf2+ Kxf2")
  ("C82q" "Spanish: Open, Dilworth, 14.Kxf2 Qxf6 15.Nf1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Bc5 Nbd2 O-O Bc2 Nxf2 Rxf2 f6 exf6 Bxf2+ Kxf2 Qxf6 Nf1")
  ("C82r" "Spanish: Open, Dilworth, 14.Kxf2 Qxf6 15.Kg1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Bc5 Nbd2 O-O Bc2 Nxf2 Rxf2 f6 exf6 Bxf2+ Kxf2 Qxf6 Kg1")
  ("C82s" "Spanish: Open, Dilworth, 14.Kxf2 Qxf6 15.Kg1 g5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Bc5 Nbd2 O-O Bc2 Nxf2 Rxf2 f6 exf6 Bxf2+ Kxf2 Qxf6 Kg1 g5")
  ("C83" "Spanish: Open, Classical Defence" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Be7")
  ("C83" "Spanish: Open, Classical, 10.Re1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Be7 Re1")
  ("C83" "Spanish: Open, Classical, Tarrasch Trap" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Be7 Re1 O-O Nd4 Qd7 Nxe6 fxe6 Rxe4")
  ("C83" "Spanish: Open, Classical, Breslau Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Be7 Re1 O-O Nd4 Nxe5")
  ("C83" "Spanish: Open, Classical, 10.Be3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Be7 Be3")
  ("C83" "Spanish: Open, Classical, 10.Nbd2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Be7 Nbd2")
  ("C83" "Spanish: Open, Classical, 10.Nbd2 Nc5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Be7 Nbd2 Nc5")
  ("C83" "Spanish: Open, Classical, 10.Nbd2 O-O" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Be7 Nbd2 O-O")
  ("C83" "Spanish: Open, Classical, Malkin Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Be7 Nbd2 O-O Qe2")
  ("C83" "Spanish: Open, Classical, 10.Nbd2 O-O 11.Bc2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Be7 Nbd2 O-O Bc2")
  ("C83" "Spanish: Open, Classical, 10.Nbd2 O-O 11.Bc2 f5 12.exf6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Be7 Nbd2 O-O Bc2 f5 exf6")
  ("C83" "Spanish: Open, Classical, 10.Nbd2 O-O 11.Bc2 f5 12.Nb3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Nxe4 d4 b5 Bb3 d5 dxe5 Be6 c3 Be7 Nbd2 O-O Bc2 f5 Nb3")
  ("C84a" "Spanish: Closed System" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7")
  ("C84b" "Spanish: Closed, 6.Nc3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Nc3")
  ("C84c" "Spanish: Closed, 6.Nc3 b5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Nc3 b5")
  ("C84c" "Spanish: Closed, 6.Nc3 b5 7.Bb3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Nc3 b5 Bb3")
  ("C84c" "Spanish: Closed, 6.Nc3 b5 7.Bb3 d6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Nc3 b5 Bb3 d6")
  ("C84d" "Spanish: Closed, 6.Nc3 b5 7.Bb3 d6 8.Nd5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Nc3 b5 Bb3 d6 Nd5")
  ("C84e" "Spanish: Closed, 6.d3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d3")
  ("C84f" "Spanish: Closed, 6.d3 b5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d3 b5")
  ("C84f" "Spanish: Closed, 6.d3 b5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d3 b5 Bb3")
  ("C84g" "Spanish: Closed, Centre Attack" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d4")
  ("C84g" "Spanish: Closed, Centre Attack" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d4 exd4")
  ("C84h" "Spanish: Closed, Centre Attack, 7.e5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d4 exd4 e5")
  ("C84h" "Spanish: Closed, Centre Attack, 7.e5 Ne4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d4 exd4 e5 Ne4")
  ("C84h" "Spanish: Closed, Centre Attack, Basque Gambit" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d4 exd4 e5 Ne4 c3")
  ("C84h" "Spanish: Closed, Centre Attack, Basque Gambit Accepted" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d4 exd4 e5 Ne4 c3 dxc3")
  ("C84h" "Spanish: Closed, Centre Attack, 7.e5 Ne4 8.b4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d4 exd4 e5 Ne4 b4")
  ("C84i" "Spanish: Closed, Centre Attack, 7.e5 Ne4 8.Nxd4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d4 exd4 e5 Ne4 Nxd4")
  ("C84j" "Spanish: Closed, Centre Attack, 7.e5 Ne4 8.Nxd4 Nxd4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d4 exd4 e5 Ne4 Nxd4 Nxd4")
  ("C84k" "Spanish: Closed, Centre Attack, 7.e5 Ne4 8.Nxd4 O-O" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d4 exd4 e5 Ne4 Nxd4 O-O")
  ("C84l" "Spanish: Closed, Centre Attack, 7.Re1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d4 exd4 Re1")
  ("C84m" "Spanish: Closed, Centre Attack, 7.Re1 b5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d4 exd4 Re1 b5")
  ("C84n" "Spanish: Closed, Centre Attack, 7.Re1 b5 8.e5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d4 exd4 Re1 b5 e5")
  ("C84n" "Spanish: Closed, Centre Attack, 7.Re1 b5 8.e5 Nxe5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d4 exd4 Re1 b5 e5 Nxe5")
  ("C84n" "Spanish: Closed, Centre Attack, 7.Re1 b5 8.e5 Nxe5 9.Rxe5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d4 exd4 Re1 b5 e5 Nxe5 Rxe5")
  ("C84o" "Spanish: Closed, Centre Attack, 7.Re1 O-O" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d4 exd4 Re1 O-O")
  ("C84p" "Spanish: Closed, Centre Attack, 7.Re1 O-O 8.e5 Ne8" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d4 exd4 Re1 O-O e5 Ne8")
  ("C84p" "Spanish: Closed, Centre Attack, 7.Re1 O-O 8.e5 Ne8 9.c3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d4 exd4 Re1 O-O e5 Ne8 c3")
  ("C84q" "Spanish: Closed, Centre Attack, 7.Re1 O-O 8.e5 Ne8 9.Bf4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 d4 exd4 Re1 O-O e5 Ne8 Bf4")
  ("C85a" "Spanish: Closed, Exchange" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Bxc6")
  ("C85b" "Spanish: Closed, Exchange" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Bxc6 dxc6")
  ("C85c" "Spanish: Closed, Exchange, 7.Qe2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Bxc6 dxc6 Qe2")
  ("C85d" "Spanish: Closed, Exchange, 7.Nc3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Bxc6 dxc6 Nc3")
  ("C85e" "Spanish: Closed, Exchange, 7.Nc3 Bg4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Bxc6 dxc6 Nc3 Bg4")
  ("C85f" "Spanish: Closed, Exchange, 7.Qe1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Bxc6 dxc6 Qe1")
  ("C85g" "Spanish: Closed, Exchange, 7.Qe1 c5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Bxc6 dxc6 Qe1 c5")
  ("C85h" "Spanish: Closed, Exchange, 7.Qe1 Nd7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Bxc6 dxc6 Qe1 Nd7")
  ("C85i" "Spanish: Closed, Exchange, 7.Qe1 Nd7 8.b3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Bxc6 dxc6 Qe1 Nd7 b3")
  ("C85j" "Spanish: Closed, Exchange, 7.d3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Bxc6 dxc6 d3")
  ("C85k" "Spanish: Closed, Exchange, 7.d3 Bg4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Bxc6 dxc6 d3 Bg4")
  ("C85l" "Spanish: Closed, Exchange, 7.d3 Nd7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Bxc6 dxc6 d3 Nd7")
  ("C85m" "Spanish: Closed, Exchange, 7.d3 Nd7 8.Nbd2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Bxc6 dxc6 d3 Nd7 Nbd2")
  ("C85n" "Spanish: Closed, Exchange, 7.d3 Nd7 8.Nbd2 O-O 9.Nc4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Bxc6 dxc6 d3 Nd7 Nbd2 O-O Nc4")
  ("C85o" "Spanish: Closed, Exchange, 7.d3 Nd7 8.Nbd2 O-O 9.Nc4 f6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Bxc6 dxc6 d3 Nd7 Nbd2 O-O Nc4 f6")
  ("C85p" "Spanish: Closed, Exchange, 7.d3 Nd7 8.Nbd2 O-O 9.Nc4 f6 10.Nh4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Bxc6 dxc6 d3 Nd7 Nbd2 O-O Nc4 f6 Nh4")
  ("C85q" "Spanish: Closed, Exchange, 7.d3 Nd7 8.Nbd2 O-O 9.Nc4 f6 10.Nh4 Nc5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Bxc6 dxc6 d3 Nd7 Nbd2 O-O Nc4 f6 Nh4 Nc5")
  ("C85r" "Spanish: Closed, Exchange, 7.d3 Nd7 8.Nbd2 O-O 9.Nc4 f6 10.Nh4 Nc5 11.Nf5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Bxc6 dxc6 d3 Nd7 Nbd2 O-O Nc4 f6 Nh4 Nc5 Nf5")
  ("C86a" "Spanish: Worrall Attack" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Qe2")
  ("C86a" "Spanish: Worrall Attack, 6...d6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Qe2 d6")
  ("C86b" "Spanish: Worrall Attack, 6...b5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Qe2 b5")
  ("C86b" "Spanish: Worrall Attack, 6...b5 7.Bb3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Qe2 b5 Bb3")
  ("C86c" "Spanish: Worrall Attack, 7...d6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Qe2 b5 Bb3 d6")
  ("C86d" "Spanish: Worrall Attack, 7...d6 8.c3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Qe2 b5 Bb3 d6 c3")
  ("C86e" "Spanish: Worrall Attack, 7...O-O" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Qe2 b5 Bb3 O-O")
  ("C86e" "Spanish: Worrall Attack, 7...O-O 8.a4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Qe2 b5 Bb3 O-O a4")
  ("C86f" "Spanish: Worrall Attack, 7...O-O 8.c3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Qe2 b5 Bb3 O-O c3")
  ("C86g" "Spanish: Worrall Attack, 7...O-O 8.c3 d6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Qe2 b5 Bb3 O-O c3 d6")
  ("C86h" "Spanish: Worrall Attack, 7...O-O 8.c3 d6 9.d4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Qe2 b5 Bb3 O-O c3 d6 d4")
  ("C86i" "Spanish: Worrall Attack, 7...O-O 8.c3 d6 9.Rd1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Qe2 b5 Bb3 O-O c3 d6 Rd1")
  ("C86j" "Spanish: Worrall Attack, 7...O-O 8.c3 d5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Qe2 b5 Bb3 O-O c3 d5")
  ("C86j" "Spanish: Worrall Attack, 7...O-O 8.c3 d5 9.exd5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Qe2 b5 Bb3 O-O c3 d5 exd5")
  ("C86k" "Spanish: Worrall Attack, 7...O-O 8.c3 d5 9.d3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Qe2 b5 Bb3 O-O c3 d5 d3")
  ("C86l" "Spanish: Worrall Attack, 7...O-O 8.c3 d5 9.d3 Bb7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Qe2 b5 Bb3 O-O c3 d5 d3 Bb7")
  ("C87a" "Spanish: Closed, 6.Re1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1")
  ("C87b" "Spanish: Closed, Averbakh (Russian) Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 d6")
  ("C87c" "Spanish: Closed, Averbakh, 7.Bxc6+" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 d6 Bxc6+")
  ("C87c" "Spanish: Closed, Averbakh, 7.Bxc6+ bxc6 8.d4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 d6 Bxc6+ bxc6 d4")
  ("C87d" "Spanish: Closed, Averbakh, 7.Bxc6+ bxc6 8.d4 exd4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 d6 Bxc6+ bxc6 d4 exd4")
  ("C87d" "Spanish: Closed, Averbakh, 7.Bxc6+ bxc6 8.d4 exd4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 d6 Bxc6+ bxc6 d4 exd4 Nxd4")
  ("C87e" "Spanish: Closed, Averbakh, 7.c3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 d6 c3")
  ("C87f" "Spanish: Closed, Averbakh, 7.c3 Bg4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 d6 c3 Bg4")
  ("C87g" "Spanish: Closed, Averbakh, 7.c3 Bg4 8.h3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 d6 c3 Bg4 h3")
  ("C87h" "Spanish: Closed, Averbakh, 7.c3 Bg4 8.d3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 d6 c3 Bg4 d3")
  ("C87i" "Spanish: Closed, Averbakh, 7.c3 O-O" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 d6 c3 O-O")
  ("C87j" "Spanish: Closed, Averbakh, 7.c3 O-O 8.d4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 d6 c3 O-O d4")
  ("C87k" "Spanish: Closed, Averbakh, 7.c3 O-O 8.d4 Bd7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 d6 c3 O-O d4 Bd7")
  ("C87l" "Spanish: Closed, Averbakh, 7.c3 O-O 8.d4 Bd7 9.Nbd2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 d6 c3 O-O d4 Bd7 Nbd2")
  ("C87m" "Spanish: Closed, Averbakh, 7.c3 O-O 8.d4 Bd7 9.Nbd2 Re8" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 d6 c3 O-O d4 Bd7 Nbd2 Re8")
  ("C87n" "Spanish: Closed, Averbakh, 7.c3 O-O 8.h3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 d6 c3 O-O h3")
  ("C87o" "Spanish: Closed, Averbakh, 7.c3 O-O 8.h3 Bd7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 d6 c3 O-O h3 Bd7")
  ("C88a" "Spanish: Closed, 6...b5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5")
  ("C88a" "Spanish: Closed, 6...b5 7.Bb3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3")
  ("C88b" "Spanish: Closed, Trajkovic Counterattack" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 Bb7")
  ("C88c" "Spanish: Closed 7...d6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 d6")
  ("C88c" "Spanish: Closed, 7...d6 8.d4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 d6 d4")
  ("C88c" "Spanish: Closed, Noah's Ark Trap" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 d6 d4 Nxd4 Nxd4 exd4 Qxd4 c5")
  ("C88d" "Spanish: Closed 7...d6 8.c3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 d6 c3")
  ("C88d" "Spanish: Closed 7...d6 8.c3 Bg4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 d6 c3 Bg4")
  ("C88e" "Spanish: Closed 7...d6 8.c3 Na5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 d6 c3 Na5")
  ("C88e" "Spanish: Closed, Leonhardt Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 d6 c3 Na5 Bc2 c5 d4 Qc7 h3 Nc6 d5 Nb8 Nbd2 g5")
  ("C88e" "Spanish: Closed, Balla Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 d6 c3 Na5 Bc2 c5 d4 Qc7 a4")
  ("C88f" "Spanish: Closed, 7...O-O" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O")
  ("C88g" "Spanish: Closed, 8.d3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O d3")
  ("C88g" "Spanish: Closed, 8.d3 d6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O d3 d6")
  ("C88h" "Spanish: Closed, 8.h3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O h3")
  ("C88i" "Spanish: Closed, 8.h3 Bb7 9.d3 d6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O h3 Bb7 d3 d6")
  ("C88j" "Spanish: Closed, Anti-Marshall 8.a4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O a4")
  ("C88k" "Spanish: Closed, Anti-Marshall 8.a4 b4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O a4 b4")
  ("C88l" "Spanish: Closed, Anti-Marshall 8.a4 Bb7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O a4 Bb7")
  ("C88m" "Spanish: Closed, Anti-Marshall 8.a4 Bb7 9.d3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O a4 Bb7 d3")
  ("C88n" "Spanish: Closed, Anti-Marshall 8.a4 Bb7 9.d3 d6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O a4 Bb7 d3 d6")
  ("C88o" "Spanish: Closed, Anti-Marshall 8.a4 Bb7 9.d3 d6 10.Nc3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O a4 Bb7 d3 d6 Nc3")
  ("C88p" "Spanish: Closed, Anti-Marshall 8.a4 Bb7 9.d3 d6 10.c3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O a4 Bb7 d3 d6 c3")
  ("C88q" "Spanish: Closed, 8.c3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3")
  ("C89a" "Spanish: Marshall Counterattack" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5")
  ("C89b" "Spanish: Marshall, 9.exd5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5")
  ("C89b" "Spanish: Marshall, Herman Steiner Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 e4")
  ("C89c" "Spanish: Marshall, 9.exd5 Nxd5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5")
  ("C89d" "Spanish: Marshall, 9.exd5 Nxd5 10.Nxe5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5")
  ("C89d" "Spanish: Marshall, 9.exd5 Nxd5 10.Nxe5 Nxe5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5")
  ("C89d" "Spanish: Marshall, 11.Rxe5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5")
  ("C89e" "Spanish: Marshall, 11.Rxe5 Nf6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 Nf6")
  ("C89f" "Spanish: Marshall, 11.Rxe5 c6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6")
  ("C89g" "Spanish: Marshall, 12.Bxd5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 Bxd5")
  ("C89h" "Spanish: Marshall, Kevitz Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 Bxd5 cxd5 d4 Bd6 Re3")
  ("C89i" "Spanish: Marshall, 12.d3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d3")
  ("C89i" "Spanish: Marshall, 12.d3 Bd6 13.Re1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d3 Bd6 Re1")
  ("C89j" "Spanish: Marshall, 12.d3 Bd6 13.Re1 Qh4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d3 Bd6 Re1 Qh4")
  ("C89k" "Spanish: Marshall, Main Line (12.d4)" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4")
  ("C89k" "Spanish: Marshall, Main Line (12.d4 Bd6)" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6")
  ("C89l" "Spanish: Marshall, Main Line, 13.Re2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re2")
  ("C89m" "Spanish: Marshall, Main Line, 13.Re1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1")
  ("C89m" "Spanish: Marshall, Main Line, 13.Re1 Qh4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4")
  ("C89m" "Spanish: Marshall, Main Line, 13.Re1 Qh4 14.g3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4 g3")
  ("C89n" "Spanish: Marshall, Main Line, 14.g3 Qh3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4 g3 Qh3")
  ("C89o" "Spanish: Marshall, Main Line, 15.Re4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4 g3 Qh3 Re4")
  ("C89p" "Spanish: Marshall, Main Line, 15.Be3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4 g3 Qh3 Be3")
  ("C89p" "Spanish: Marshall, Main Line, 15.Be3 Bg4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4 g3 Qh3 Be3 Bg4")
  ("C89p" "Spanish: Marshall, Main Line, 15.Be3 Bg4 16.Qd3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4 g3 Qh3 Be3 Bg4 Qd3")
  ("C89q" "Spanish: Marshall, Main Line, 15.Be3 Bg4 16.Qd3 Rae8" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4 g3 Qh3 Be3 Bg4 Qd3 Rae8")
  ("C89q" "Spanish: Marshall, Main Line, 16.Qd3 Rae8 17.Nd2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4 g3 Qh3 Be3 Bg4 Qd3 Rae8 Nd2")
  ("C89r" "Spanish: Marshall, Main Line, Pawn Push Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4 g3 Qh3 Be3 Bg4 Qd3 Rae8 Nd2 f5")
  ("C89s" "Spanish: Marshall, Main Line, Classical Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4 g3 Qh3 Be3 Bg4 Qd3 Rae8 Nd2 Re6")
  ("C89t" "Spanish: Marshall, Main Line, Classical, 18.c4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4 g3 Qh3 Be3 Bg4 Qd3 Rae8 Nd2 Re6 c4")
  ("C89u" "Spanish: Marshall, Main Line, Classical, 18.Bxd5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4 g3 Qh3 Be3 Bg4 Qd3 Rae8 Nd2 Re6 Bxd5")
  ("C89v" "Spanish: Marshall, Main Line, Classical, 18.Qf1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4 g3 Qh3 Be3 Bg4 Qd3 Rae8 Nd2 Re6 Qf1")
  ("C89w" "Spanish: Marshall, Main Line, Classical, 18.a4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4 g3 Qh3 Be3 Bg4 Qd3 Rae8 Nd2 Re6 a4")
  ("C89x" "Spanish: Marshall, Main Line, Classical, Spassky Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4 g3 Qh3 Be3 Bg4 Qd3 Rae8 Nd2 Re6 a4 Qh5")
  ("C89y" "Spanish: Marshall, Main Line, Classical, 18.a4 f5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d5 exd5 Nxd5 Nxe5 Nxe5 Rxe5 c6 d4 Bd6 Re1 Qh4 g3 Qh3 Be3 Bg4 Qd3 Rae8 Nd2 Re6 a4 f5")
  ("C90a" "Spanish: Closed, 8...d6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6")
  ("C90b" "Spanish: Closed, Lutikov Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 Bc2")
  ("C90c" "Spanish: Closed, Suetin Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 a3")
  ("C90d" "Spanish: Closed, 8...d6 9.a4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 a4")
  ("C90d" "Spanish: Closed, 8...d6 9.a4 Bg4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 a4 Bg4")
  ("C90e" "Spanish: Closed, Pilnik Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d3")
  ("C90f" "Spanish: Closed, Pilnik, 9...h6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d3 h6")
  ("C90g" "Spanish: Closed, Pilnik, 9...Na5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d3 Na5")
  ("C90g" "Spanish: Closed, Pilnik, 9...Na5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d3 Na5 Bc2")
  ("C90g" "Spanish: Closed, Pilnik, 9...Na5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d3 Na5 Bc2 c5")
  ("C90h" "Spanish: Closed, Pilnik, 11.Nbd2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d3 Na5 Bc2 c5 Nbd2")
  ("C90i" "Spanish: Closed, Pilnik, 11.Nbd2 Qc7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d3 Na5 Bc2 c5 Nbd2 Qc7")
  ("C90j" "Spanish: Closed, Pilnik, 11.Nbd2 Nc6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d3 Na5 Bc2 c5 Nbd2 Nc6")
  ("C90k" "Spanish: Closed, Pilnik, 11.Nbd2 Re8" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d3 Na5 Bc2 c5 Nbd2 Re8")
  ("C90k" "Spanish: Closed, Pilnik, 12.Nf1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d3 Na5 Bc2 c5 Nbd2 Re8 Nf1")
  ("C90l" "Spanish: Closed, Pilnik, 12.Nf1 Nc6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d3 Na5 Bc2 c5 Nbd2 Re8 Nf1 Nc6")
  ("C90m" "Spanish: Closed, Pilnik, 12.Nf1 Bf8" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d3 Na5 Bc2 c5 Nbd2 Re8 Nf1 Bf8")
  ("C90n" "Spanish: Closed, Pilnik, 12.Nf1 h6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d3 Na5 Bc2 c5 Nbd2 Re8 Nf1 h6")
  ("C91a" "Spanish: Closed, 9.d4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d4")
  ("C91b" "Spanish: Closed, Bogoljubow Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d4 Bg4")
  ("C91c" "Spanish: Closed, Bogoljubow, 10.Be3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d4 Bg4 Be3")
  ("C91d" "Spanish: Closed, Bogoljubow, 10.Be3 exd4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d4 Bg4 Be3 exd4")
  ("C91e" "Spanish: Closed, Bogoljubow, 10.d5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d4 Bg4 d5")
  ("C91f" "Spanish: Closed, Bogoljubow, 10.d5 Na5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d4 Bg4 d5 Na5")
  ("C91f" "Spanish: Closed, Bogoljubow, 10.d5 Na5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d4 Bg4 d5 Na5 Bc2")
  ("C91g" "Spanish: Closed, Bogoljubow, 10.d5 Na5 11.Bc2 Qc8" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d4 Bg4 d5 Na5 Bc2 Qc8")
  ("C91h" "Spanish: Closed, Bogoljubow, 10.d5 Na5 11.Bc2 c6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d4 Bg4 d5 Na5 Bc2 c6")
  ("C91i" "Spanish: Closed, Bogoljubow, 10.d5 Na5 11.Bc2 c6 12.h3 Bc8" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 d4 Bg4 d5 Na5 Bc2 c6 h3 Bc8")
  ("C92a" "Spanish: Closed, 9.h3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3")
  ("C92b" "Spanish: Closed, Keres Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 a5")
  ("C92c" "Spanish: Closed, Kholmov Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Be6")
  ("C92d" "Spanish: Closed, Kholmov, 11.Qxb3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Be6 d4 Bxb3 Qxb3")
  ("C92e" "Spanish: Closed, Karpov Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nd7")
  ("C92f" "Spanish: Closed, Karpov Variation, 10.d4 Bf6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nd7 d4 Bf6")
  ("C92g" "Spanish: Closed, Karpov Variation, 10.d4 Bf6 11.a4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nd7 d4 Bf6 a4")
  ("C92h" "Spanish: Closed, Karpov Variation, 10.d4 Bf6 11.a4 Bb7 12.Na3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nd7 d4 Bf6 a4 Bb7 Na3")
  ("C92i" "Spanish: Closed, Zaitsev (Flohr) Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Bb7")
  ("C92j" "Spanish: Closed, Zaitsev, 10.d4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Bb7 d4")
  ("C92k" "Spanish: Closed, Zaitsev, 10.d4 Re8" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Bb7 d4 Re8")
  ("C92l" "Spanish: Closed, Zaitsev, 11.Ng5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Bb7 d4 Re8 Ng5")
  ("C92m" "Spanish: Closed, Zaitsev, 11.Nbd2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Bb7 d4 Re8 Nbd2")
  ("C92n" "Spanish: Closed, Zaitsev, 11.Nbd2 Bf8 12.d5 Nb8" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Bb7 d4 Re8 Nbd2 Bf8 d5 Nb8")
  ("C92o" "Spanish: Closed, Zaitsev, 12.Bc2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Bb7 d4 Re8 Nbd2 Bf8 Bc2")
  ("C92p" "Spanish: Closed, Zaitsev, 12.a3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Bb7 d4 Re8 Nbd2 Bf8 a3")
  ("C92q" "Spanish: Closed, Zaitsev, 12.a4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Bb7 d4 Re8 Nbd2 Bf8 a4")
  ("C92r" "Spanish: Closed, Zaitsev, 12.a4 h6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Bb7 d4 Re8 Nbd2 Bf8 a4 h6")
  ("C92s" "Spanish: Closed, Zaitsev, 12.a4 h6 13.Bc2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Bb7 d4 Re8 Nbd2 Bf8 a4 h6 Bc2")
  ("C92t" "Spanish: Closed, Zaitsev, 12.a4 h6 13.Bc2 exd4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Bb7 d4 Re8 Nbd2 Bf8 a4 h6 Bc2 exd4")
  ("C92u" "Spanish: Closed, Zaitsev, 12.a4 h6 13.Bc2 exd4 14.cxd4 Nb4 15.Bb1 c5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Bb7 d4 Re8 Nbd2 Bf8 a4 h6 Bc2 exd4 cxd4 Nb4 Bb1 c5")
  ("C93" "Spanish: Closed, Smyslov Defence" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 h6")
  ("C93" "Spanish: Closed, Smyslov, 10.d3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 h6 d3")
  ("C93" "Spanish: Closed, Smyslov, 10.d4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 h6 d4")
  ("C93" "Spanish: Closed, Smyslov, 10.d4 Re8" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 h6 d4 Re8")
  ("C93" "Spanish: Closed, Smyslov, 10.d4 Re8 11.a4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 h6 d4 Re8 a4")
  ("C93" "Spanish: Closed, Smyslov, 10.d4 Re8 11.Be3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 h6 d4 Re8 Be3")
  ("C93" "Spanish: Closed, Smyslov, 10.d4 Re8 11.Nbd2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 h6 d4 Re8 Nbd2")
  ("C93" "Spanish: Closed, Smyslov, 10.d4 Re8 11.Nbd2 Bf8" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 h6 d4 Re8 Nbd2 Bf8")
  ("C93" "Spanish: Closed, Smyslov, 12.a3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 h6 d4 Re8 Nbd2 Bf8 a3")
  ("C93" "Spanish: Closed, Smyslov, 12.Bc2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 h6 d4 Re8 Nbd2 Bf8 Bc2")
  ("C93" "Spanish: Closed, Smyslov, 12.Nf1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 h6 d4 Re8 Nbd2 Bf8 Nf1")
  ("C93" "Spanish: Closed, Smyslov, 12.Nf1 Bb7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 h6 d4 Re8 Nbd2 Bf8 Nf1 Bb7")
  ("C93" "Spanish: Closed, Smyslov, 12.Nf1 Bb7 13.Ng3 Na5 14.Bc2 Nc4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 h6 d4 Re8 Nbd2 Bf8 Nf1 Bb7 Ng3 Na5 Bc2 Nc4")
  ("C93" "Spanish: Closed, Smyslov, 12.Nf1 Bd7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 h6 d4 Re8 Nbd2 Bf8 Nf1 Bd7")
  ("C93" "Spanish: Closed, Smyslov, 12.Nf1 Bd7 13.Ng3 Na5 14.Bc2 c5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 h6 d4 Re8 Nbd2 Bf8 Nf1 Bd7 Ng3 Na5 Bc2 c5")
  ("C94a" "Spanish: Closed, Breyer Defence" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8")
  ("C94b" "Spanish: Closed, Breyer, Matulovic Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 a4")
  ("C94c" "Spanish: Closed, Breyer, 10.d3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d3")
  ("C94d" "Spanish: Closed, Breyer, 10.d3 Nbd7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d3 Nbd7")
  ("C94e" "Spanish: Closed, Breyer, 10.d3 Nbd7 11.Nbd2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d3 Nbd7 Nbd2")
  ("C94f" "Spanish: Closed, Breyer, 10.d3 Nbd7 11.Nbd2 Bb7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d3 Nbd7 Nbd2 Bb7")
  ("C95a" "Spanish: Closed, Breyer, 10.d4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4")
  ("C95a" "Spanish: Closed, Breyer, 10.d4 Bb7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Bb7")
  ("C95b" "Spanish: Closed, Breyer, 10.d4 Nbd7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7")
  ("C95c" "Spanish: Closed, Breyer, Simagin Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7 Nh4")
  ("C95d" "Spanish: Closed, Breyer, 10.d4 Nbd7 11.Bg5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7 Bg5")
  ("C95e" "Spanish: Closed, Breyer, Arseniev Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7 c4")
  ("C95e" "Spanish: Closed, Breyer, Arseniev, 11...c6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7 c4 c6")
  ("C95f" "Spanish: Closed, Breyer, 10.d4 Nbd7 11.Nbd2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7 Nbd2")
  ("C95f" "Spanish: Closed, Breyer, 10.d4 Nbd7 11.Nbd2 Bb7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7 Nbd2 Bb7")
  ("C95f" "Spanish: Closed, Breyer, 10.d4 Nbd7 11.Nbd2 Bb7 12.a4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7 Nbd2 Bb7 a4")
  ("C95g" "Spanish: Closed, Breyer, 10.d4 Nbd7 11.Nbd2 Bb7 12.Bc2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7 Nbd2 Bb7 Bc2")
  ("C95g" "Spanish: Closed, Breyer, Gligoric Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7 Nbd2 Bb7 Bc2 c5")
  ("C95h" "Spanish: Closed, Breyer, Main Line" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7 Nbd2 Bb7 Bc2 Re8")
  ("C95i" "Spanish: Closed, Breyer, Main Line, 13.b4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7 Nbd2 Bb7 Bc2 Re8 b4")
  ("C95j" "Spanish: Closed, Breyer, Main Line, 13.a4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7 Nbd2 Bb7 Bc2 Re8 a4")
  ("C95k" "Spanish: Closed, Breyer, Main Line, 13.Nf1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7 Nbd2 Bb7 Bc2 Re8 Nf1")
  ("C95k" "Spanish: Closed, Breyer, Main Line, 13.Nf1 Bf8" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7 Nbd2 Bb7 Bc2 Re8 Nf1 Bf8")
  ("C95k" "Spanish: Closed, Breyer, Main Line, 13.Nf1 Bf8 14.Ng3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7 Nbd2 Bb7 Bc2 Re8 Nf1 Bf8 Ng3")
  ("C95k" "Spanish: Closed, Breyer, Main Line, 14.Ng3 c5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7 Nbd2 Bb7 Bc2 Re8 Nf1 Bf8 Ng3 c5")
  ("C95l" "Spanish: Closed, Breyer, Main Line, 14.Ng3 g6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7 Nbd2 Bb7 Bc2 Re8 Nf1 Bf8 Ng3 g6")
  ("C95l" "Spanish: Closed, Breyer, Main Line, 14.Ng3 g6 15.b3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7 Nbd2 Bb7 Bc2 Re8 Nf1 Bf8 Ng3 g6 b3")
  ("C95m" "Spanish: Closed, Breyer, Main Line, 14.Ng3 g6 15.a4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7 Nbd2 Bb7 Bc2 Re8 Nf1 Bf8 Ng3 g6 a4")
  ("C95n" "Spanish: Closed, Breyer, Main Line, 15.a4 c5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7 Nbd2 Bb7 Bc2 Re8 Nf1 Bf8 Ng3 g6 a4 c5")
  ("C95o" "Spanish: Closed, Breyer, Main Line, 15.a4 c5 16.d5 c4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Nb8 d4 Nbd7 Nbd2 Bb7 Bc2 Re8 Nf1 Bf8 Ng3 g6 a4 c5 d5 c4")
  ("C96a" "Spanish: Closed, Chigorin" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5")
  ("C96b" "Spanish: Closed, Chigorin, 10.Bc2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2")
  ("C96c" "Spanish: Closed, Chigorin, 10...c6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c6")
  ("C96d" "Spanish: Closed, Chigorin, Rossolimo Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c6 d4 Qc7")
  ("C96e" "Spanish: Closed, Chigorin, 10...Bb7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 Bb7")
  ("C96f" "Spanish: Closed, Chigorin, 10...c5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5")
  ("C96g" "Spanish: Closed, Chigorin, 11.d3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d3")
  ("C96h" "Spanish: Closed, Chigorin, 11.d3 Nc6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d3 Nc6")
  ("C96i" "Spanish: Closed, Chigorin, 11.d4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4")
  ("C96j" "Spanish: Closed, Chigorin, 11.d4 cxd4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 cxd4")
  ("C96k" "Spanish: Closed, Chigorin, 11.d4 Bb7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Bb7")
  ("C96l" "Spanish: Closed, Chigorin, 11.d4 Bb7 12.Nbd2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Bb7 Nbd2")
  ("C96m" "Spanish: Closed, Chigorin, Borisenko Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Nc6")
  ("C96n" "Spanish: Closed, Chigorin, Keres Variation" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Nd7")
  ("C96o" "Spanish: Closed, Chigorin, Keres, 11.Nbd2 cxd4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Nd7 Nbd2 cxd4")
  ("C97a" "Spanish: Closed, Chigorin, 11.d4 Qc7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7")
  ("C97b" "Spanish: Closed, Chigorin, 11.d4 Qc7 12.d5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 d5")
  ("C97c" "Spanish: Closed, Chigorin, 11.d4 Qc7 12.d5 c4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 d5 c4")
  ("C97d" "Spanish: Closed, Chigorin, 11.d4 Qc7 12.Nbd2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2")
  ("C97e" "Spanish: Closed, Chigorin, 12...Bb7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 Bb7")
  ("C97f" "Spanish: Closed, Chigorin, 12...Re8" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 Re8")
  ("C97g" "Spanish: Closed, Chigorin, 12...Rd8" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 Rd8")
  ("C97h" "Spanish: Closed, Chigorin, 12...Bd7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 Bd7")
  ("C97i" "Spanish: Closed, Chigorin, 12...Bd7 13.Nf1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 Bd7 Nf1")
  ("C97j" "Spanish: Closed, Chigorin, 12...Bd7 13.Nf1 Nc4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 Bd7 Nf1 Nc4")
  ("C97k" "Spanish: Closed, Chigorin, 12...Bd7 13.Nf1 Rfe8" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 Bd7 Nf1 Rfe8")
  ("C97l" "Spanish: Closed, Chigorin, Yugoslav System" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 Bd7 Nf1 Rfe8 Ne3 g6")
  ("C98a" "Spanish: Closed, Chigorin, 12...Nc6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 Nc6")
  ("C98b" "Spanish: Closed, Chigorin, Rauzer Attack" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 Nc6 dxc5")
  ("C98b" "Spanish: Closed, Chigorin, Rauzer Attack" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 Nc6 dxc5 dxc5")
  ("C98c" "Spanish: Closed, Chigorin, Rauzer, 14.Nf1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 Nc6 dxc5 dxc5 Nf1")
  ("C98d" "Spanish: Closed, Chigorin, Rauzer, 14.Nf1 Be6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 Nc6 dxc5 dxc5 Nf1 Be6")
  ("C98e" "Spanish: Closed, Chigorin, 12...Nc6 13.d5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 Nc6 d5")
  ("C98f" "Spanish: Closed, Chigorin, 12...Nc6 13.d5 Na5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 Nc6 d5 Na5")
  ("C98g" "Spanish: Closed, Chigorin, 12...Nc6 13.d5 Nd8" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 Nc6 d5 Nd8")
  ("C98h" "Spanish: Closed, Chigorin, 12...Nc6 13.d5 Nd8 14.Nf1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 Nc6 d5 Nd8 Nf1")
  ("C98i" "Spanish: Closed, Chigorin, 12...Nc6 13.d5 Nd8 14.a4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 Nc6 d5 Nd8 a4")
  ("C99a" "Spanish: Closed, Chigorin, 12...cxd4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4")
  ("C99a" "Spanish: Closed, Chigorin, 12...cxd4 13.cxd4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4")
  ("C99b" "Spanish: Closed, Chigorin, 13...Rd8" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4 Rd8")
  ("C99c" "Spanish: Closed, Chigorin, 13...Bd7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4 Bd7")
  ("C99c" "Spanish: Closed, Chigorin, 13...Bd7 14.Nf1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4 Bd7 Nf1")
  ("C99d" "Spanish: Closed, Chigorin, 13...Bd7 14.Nf1 Rac8 15.Ne3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4 Bd7 Nf1 Rac8 Ne3")
  ("C99e" "Spanish: Closed, Chigorin, 13...Bb7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4 Bb7")
  ("C99e" "Spanish: Closed, Chigorin, 13...Bb7 14.Nf1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4 Bb7 Nf1")
  ("C99e" "Spanish: Closed, Chigorin, 13...Bb7 14.Nf1 Rac8" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4 Bb7 Nf1 Rac8")
  ("C99f" "Spanish: Closed, Chigorin, 13...Bb7 14.Nf1 Rac8 15.Re2" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4 Bb7 Nf1 Rac8 Re2")
  ("C99g" "Spanish: Closed, Chigorin, 13...Bb7 14.d5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4 Bb7 d5")
  ("C99h" "Spanish: Closed, Chigorin, 13...Bb7 14.d5 Rac8" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4 Bb7 d5 Rac8")
  ("C99i" "Spanish: Closed, Chigorin, 13...Nc6" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4 Nc6")
  ("C99i" "Spanish: Closed, Chigorin, 13...Nc6 14.a3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4 Nc6 a3")
  ("C99j" "Spanish: Closed, Chigorin, 13...Nc6 14.Nf1" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4 Nc6 Nf1")
  ("C99k" "Spanish: Closed, Chigorin, 13...Nc6 14.d5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4 Nc6 d5")
  ("C99l" "Spanish: Closed, Chigorin, 13...Nc6 14.Nb3" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4 Nc6 Nb3")
  ("C99l" "Spanish: Closed, Chigorin, 13...Nc6 14.Nb3 a5" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4 Nc6 Nb3 a5")
  ("C99m" "Spanish: Closed, Chigorin, 13...Nc6 14.Nb3 a5 15.Be3 a4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4 Nc6 Nb3 a5 Be3 a4")
  ("C99n" "Spanish: Closed, Chigorin, 13...Nc6 14.Nb3 a5 15.Be3 a4 16.Nbd2 Nb4" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4 Nc6 Nb3 a5 Be3 a4 Nbd2 Nb4")
  ("C99o" "Spanish: Closed, Chigorin, 13...Nc6 14.Nb3 a5 15.Be3 a4 16.Nbd2 Bd7" "e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Nf6 O-O Be7 Re1 b5 Bb3 O-O c3 d6 h3 Na5 Bc2 c5 d4 Qc7 Nbd2 cxd4 cxd4 Nc6 Nb3 a5 Be3 a4 Nbd2 Bd7")
  ("D00a" "Queen's Pawn Game" "d4 d5")
  ("D00a" "Queen's Pawn: 2.f4" "d4 d5 f4")
  ("D00a" "Queen's Pawn: 2.g3" "d4 d5 g3")
  ("D00b" "Queen's Pawn: 2.c3" "d4 d5 c3")
  ("D00b" "Queen's Pawn: 2.c3 Nf6" "d4 d5 c3 Nf6")
  ("D00b" "Queen's Pawn: 2.c3 Nf6 3.Bf4" "d4 d5 c3 Nf6 Bf4")
  ("D00b" "Queen's Pawn: 2.c3 Nf6 3.Bg5" "d4 d5 c3 Nf6 Bg5")
  ("D00c" "Queen's Pawn: Mason Variation" "d4 d5 Bf4")
  ("D00c" "Queen's Pawn, Mason, Steinitz Countergambit" "d4 d5 Bf4 c5")
  ("D00d" "Queen's Pawn: 2.e3" "d4 d5 e3")
  ("D00d" "Queen's Pawn: 2.e3 Nf6" "d4 d5 e3 Nf6")
  ("D00e" "Queen's Pawn: Stonewall Attack" "d4 d5 e3 Nf6 Bd3")
  ("D00f" "Hodgson Attack (Trompowsky vs. 1...d5)" "d4 d5 Bg5")
  ("D00f" "Hodgson Attack: Welling Variation" "d4 d5 Bg5 Bg4")
  ("D00f" "Hodgson Attack: 2...f6" "d4 d5 Bg5 f6")
  ("D00f" "Hodgson Attack: 2...g6" "d4 d5 Bg5 g6")
  ("D00g" "Hodgson Attack: 2...c6" "d4 d5 Bg5 c6")
  ("D00h" "Hodgson Attack, 2...h6" "d4 d5 Bg5 h6")
  ("D00h" "Hodgson Attack: 2...h6 3.Bh4 c6" "d4 d5 Bg5 h6 Bh4 c6")
  ("D00h" "Hodgson Attack: 2...h6 3.Bh4 c6 4.e3" "d4 d5 Bg5 h6 Bh4 c6 e3")
  ("D00h" "Hodgson Attack: 2...h6 3.Bh4 c6 4.e3 Qb6" "d4 d5 Bg5 h6 Bh4 c6 e3 Qb6")
  ("D00i" "Trompowsky: 2...d5" "d4 Nf6 Bg5 d5")
  ("D00i" "Trompowsky: 2...d5 3.Nd2" "d4 Nf6 Bg5 d5 Nd2")
  ("D00i" "Trompowsky: 2...d5 3.e3" "d4 Nf6 Bg5 d5 e3")
  ("D00i" "Trompowsky: 2...d5 3.e3 e6" "d4 Nf6 Bg5 d5 e3 e6")
  ("D00j" "Trompowsky: 2...d5 3.Bxf6" "d4 Nf6 Bg5 d5 Bxf6")
  ("D00j" "Trompowsky: 2...d5 3.Bxf6 gxf6" "d4 Nf6 Bg5 d5 Bxf6 gxf6")
  ("D00j" "Trompowsky: 2...d5 3.Bxf6 gxf6 4.e3" "d4 Nf6 Bg5 d5 Bxf6 gxf6 e3")
  ("D00j" "Trompowsky: 2...d5 3.Bxf6 gxf6 4.e3 c5" "d4 Nf6 Bg5 d5 Bxf6 gxf6 e3 c5")
  ("D00k" "Trompowsky: 2...d5 3.Bxf6 exf6" "d4 Nf6 Bg5 d5 Bxf6 exf6")
  ("D00k" "Trompowsky: 2...d5 3.Bxf6 exf6 4.e3" "d4 Nf6 Bg5 d5 Bxf6 exf6 e3")
  ("D00k" "Trompowsky: 2...d5 3.Bxf6 exf6 4.e3 Bf5" "d4 Nf6 Bg5 d5 Bxf6 exf6 e3 Bf5")
  ("D00k" "Trompowsky: 2...d5 3.Bxf6 exf6 4.e3 c6" "d4 Nf6 Bg5 d5 Bxf6 exf6 e3 c6")
  ("D00k" "Trompowsky: 2...d5 3.Bxf6 exf6 4.e3 Be6" "d4 Nf6 Bg5 d5 Bxf6 exf6 e3 Be6")
  ("D00k" "Trompowsky: 2...d5 3.Bxf6 exf6 4.e3 Bd6" "d4 Nf6 Bg5 d5 Bxf6 exf6 e3 Bd6")
  ("D00l" "Blackmar-Diemer Gambit (BDG): 2.e4" "d4 d5 e4")
  ("D00l" "Blackmar-Diemer: Beyer Countergambit" "d4 d5 e4 e5")
  ("D00l" "Blackmar-Diemer Gambit (BDG): 2.e4 dxe4" "d4 d5 e4 dxe4")
  ("D00l" "Blackmar-Diemer: Gedult Gambit" "d4 d5 e4 dxe4 f3")
  ("D00l" "Blackmar-Diemer: Fritz Attack" "d4 d5 e4 dxe4 Bc4")
  ("D00l" "Blackmar-Diemer: 2.e4 dxe4 3.Nc3" "d4 d5 e4 dxe4 Nc3")
  ("D00l" "Blackmar-Diemer: Grosshans Defence" "d4 d5 e4 dxe4 Nc3 Bd7")
  ("D00l" "Blackmar-Diemer: Zeller Defence" "d4 d5 e4 dxe4 Nc3 Bf5")
  ("D00l" "Blackmar-Diemer: Pohmlann Defence" "d4 d5 e4 dxe4 Nc3 f5")
  ("D00m" "Blackmar-Diemer: Lemberger Countergambit" "d4 d5 e4 dxe4 Nc3 e5")
  ("D00m" "Blackmar-Diemer: Lemberger Countergambit, Rassmussen Attack" "d4 d5 e4 dxe4 Nc3 e5 Nge2")
  ("D00m" "Blackmar-Diemer: Lemberger Countergambit, Sneider Attack" "d4 d5 e4 dxe4 Nc3 e5 Qh5")
  ("D00n" "Queen's Pawn: Veresov Attack" "d4 d5 Nc3")
  ("D00n" "Queen's Pawn: Veresov Attack" "d4 d5 Nc3 Bf5")
  ("D00n" "Queen's Pawn: Veresov Attack" "d4 d5 Nc3 Nf6")
  ("D00o" "Queen's Pawn: Veresov, 3.Bf4" "d4 d5 Nc3 Nf6 Bf4")
  ("D00p" "Queen's Pawn: Veresov, 3.Nf3" "d4 d5 Nc3 Nf6 Nf3")
  ("D00p" "Queen's Pawn: Veresov, 3.Nf3 g6" "d4 d5 Nc3 Nf6 Nf3 g6")
  ("D00q" "Queen's Pawn: Anti-King's Indian" "d4 d5 Nc3 Nf6 Nf3 g6 Bf4")
  ("D00r" "Queen's Pawn: Anti-King's Indian, Main Line" "d4 d5 Nc3 Nf6 Nf3 g6 Bf4 Bg7 e3 O-O Be2")
  ("D00s" "Blackmar-Diemer Gambit (BDG)" "d4 d5 Nc3 Nf6 e4")
  ("D00s" "Blackmar-Diemer: Hubsch Gambit" "d4 d5 Nc3 Nf6 e4 Nxe4")
  ("D00t" "Blackmar-Diemer: 3...dxe4" "d4 d5 Nc3 Nf6 e4 dxe4")
  ("D00t" "Blackmar-Diemer: von Popiel Attack" "d4 d5 Nc3 Nf6 e4 dxe4 Bg5")
  ("D00u" "Blackmar-Diemer: 4.f3" "d4 d5 Nc3 Nf6 e4 dxe4 f3")
  ("D00u" "Blackmar-Diemer: O'Kelly Defence" "d4 d5 Nc3 Nf6 e4 dxe4 f3 c6")
  ("D00u" "Blackmar-Diemer: Langeheinecke Defence" "d4 d5 Nc3 Nf6 e4 dxe4 f3 e3")
  ("D00u" "Blackmar-Diemer: Elbert Countergambit" "d4 d5 Nc3 Nf6 e4 dxe4 f3 e5")
  ("D00u" "Blackmar-Diemer: Weinspach Defence" "d4 d5 Nc3 Nf6 e4 dxe4 f3 e6")
  ("D00u" "Blackmar-Diemer: Lamb Defence" "d4 d5 Nc3 Nf6 e4 dxe4 f3 Nc6")
  ("D00u" "Blackmar-Diemer: Vienna Defence" "d4 d5 Nc3 Nf6 e4 dxe4 f3 Bf5")
  ("D00v" "Blackmar-Diemer: Accepted" "d4 d5 Nc3 Nf6 e4 dxe4 f3 exf3")
  ("D00v" "Blackmar-Diemer: Ryder Gambit" "d4 d5 Nc3 Nf6 e4 dxe4 f3 exf3 Qxf3")
  ("D00w" "Blackmar-Diemer: 4.f3 exf3 5.Nxf3" "d4 d5 Nc3 Nf6 e4 dxe4 f3 exf3 Nxf3")
  ("D00w" "Blackmar-Diemer: Gunderam Defence" "d4 d5 Nc3 Nf6 e4 dxe4 f3 exf3 Nxf3 Bf5")
  ("D00w" "Blackmar-Diemer: Tartakower Defence" "d4 d5 Nc3 Nf6 e4 dxe4 f3 exf3 Nxf3 Bg4")
  ("D00w" "Blackmar-Diemer: Ziegler Defence" "d4 d5 Nc3 Nf6 e4 dxe4 f3 exf3 Nxf3 c6")
  ("D00x" "Blackmar-Diemer: Euwe Defence" "d4 d5 Nc3 Nf6 e4 dxe4 f3 exf3 Nxf3 e6")
  ("D00y" "Blackmar-Diemer: Bogoljubow Defence" "d4 d5 Nc3 Nf6 e4 dxe4 f3 exf3 Nxf3 g6")
  ("D01a" "Richter-Veresov Attack" "d4 d5 Nc3 Nf6 Bg5")
  ("D01b" "Richter-Veresov: 3...Ne4" "d4 d5 Nc3 Nf6 Bg5 Ne4")
  ("D01c" "Richter-Veresov: 3...e6" "d4 d5 Nc3 Nf6 Bg5 e6")
  ("D01d" "Richter-Veresov: 3...h6" "d4 d5 Nc3 Nf6 Bg5 h6")
  ("D01e" "Richter-Veresov: 3...g6" "d4 d5 Nc3 Nf6 Bg5 g6")
  ("D01f" "Richter-Veresov: 3...c6" "d4 d5 Nc3 Nf6 Bg5 c6")
  ("D01g" "Richter-Veresov: 3...c5" "d4 d5 Nc3 Nf6 Bg5 c5")
  ("D01h" "Richter-Veresov: 3...Bf5" "d4 d5 Nc3 Nf6 Bg5 Bf5")
  ("D01i" "Richter-Veresov: 3...Bf5 4.f3" "d4 d5 Nc3 Nf6 Bg5 Bf5 f3")
  ("D01j" "Richter-Veresov: 3...Bf5 4.Nf3" "d4 d5 Nc3 Nf6 Bg5 Bf5 Nf3")
  ("D01k" "Richter-Veresov: 3...Bf5 4.Bxf6" "d4 d5 Nc3 Nf6 Bg5 Bf5 Bxf6")
  ("D01l" "Richter-Veresov: 3...Nbd7" "d4 d5 Nc3 Nf6 Bg5 Nbd7")
  ("D01m" "Richter-Veresov: 3...Nbd7 4.f3" "d4 d5 Nc3 Nf6 Bg5 Nbd7 f3")
  ("D01n" "Richter-Veresov: 3...Nbd7 4.Nf3" "d4 d5 Nc3 Nf6 Bg5 Nbd7 Nf3")
  ("D01o" "Richter-Veresov: 3...Nbd7 4.Nf3 h6" "d4 d5 Nc3 Nf6 Bg5 Nbd7 Nf3 h6")
  ("D01p" "Richter-Veresov: 3...Nbd7 4.Nf3 g6" "d4 d5 Nc3 Nf6 Bg5 Nbd7 Nf3 g6")
  ("D02a" "Queen's Pawn: 2.Nf3" "d4 d5 Nf3")
  ("D02a" "Queen's Pawn: 2.Nf3 g6" "d4 d5 Nf3 g6")
  ("D02a" "Queen's Pawn: 2.Nf3 Bg4" "d4 d5 Nf3 Bg4")
  ("D02b" "Queen's Pawn: 2.Nf3 c6" "d4 d5 Nf3 c6")
  ("D02c" "Queen's Pawn: London" "d4 d5 Nf3 c6 Bf4")
  ("D02c" "Queen's Pawn: London, Alapin Variation" "d4 d5 Nf3 c6 Bf4 Qb6")
  ("D02d" "Queen's Pawn: 2.Nf3 Bf5" "d4 d5 Nf3 Bf5")
  ("D02d" "Queen's Pawn: 2.Nf3 Bf5 3.e3" "d4 d5 Nf3 Bf5 e3")
  ("D02d" "Queen's Pawn: 2.Nf3 Bf5 3.e3 c6" "d4 d5 Nf3 Bf5 e3 c6")
  ("D02d" "Queen's Pawn: 2.Nf3 Bf5 3.Bf4" "d4 d5 Nf3 Bf5 Bf4")
  ("D02d" "Queen's Pawn: 2.Nf3 Bf5 3.Bf4 c6" "d4 d5 Nf3 Bf5 Bf4 c6")
  ("D02d" "Queen's Pawn: 2.Nf3 Bf5 3.Bf4 e6" "d4 d5 Nf3 Bf5 Bf4 e6")
  ("D02e" "Queen's Pawn: 2.Nf3 Nc6" "d4 d5 Nf3 Nc6")
  ("D02f" "Queen's Pawn: 2.Nf3 Nc6 3.Bf4" "d4 d5 Nf3 Nc6 Bf4")
  ("D02g" "Queen's Pawn: 2.Nf3 Nc6 3.g3" "d4 d5 Nf3 Nc6 g3")
  ("D02g" "Queen's Pawn: 2.Nf3 Nc6 3.g3 Bg4" "d4 d5 Nf3 Nc6 g3 Bg4")
  ("D02h" "Queen's Pawn: 2.Nf3 e6" "d4 d5 Nf3 e6")
  ("D02i" "Queen's Pawn: 2.Nf3 e6 3.g3" "d4 d5 Nf3 e6 g3")
  ("D02i" "Queen's Pawn: 2.Nf3 e6 3.g3 c5" "d4 d5 Nf3 e6 g3 c5")
  ("D02i" "Queen's Pawn: 2.Nf3 e6 3.g3 c5" "d4 d5 Nf3 e6 g3 c5 Bg2")
  ("D02i" "Queen's Pawn: 2.Nf3 e6 3.g3 c5" "d4 d5 Nf3 e6 g3 c5 Bg2 cxd4 Nxd4")
  ("D02i" "Queen's Pawn: 2.Nf3 e6 3.g3 c5" "d4 d5 Nf3 e6 g3 c5 Bg2 cxd4 Nxd4 e5")
  ("D02j" "Queen's Pawn: Krause Variation" "d4 d5 Nf3 c5")
  ("D02j" "Queen's Pawn: Krause, 3.c4" "d4 d5 Nf3 c5 c4")
  ("D02j" "Queen's Pawn: Krause, Reversed Slav" "d4 d5 Nf3 c5 c3")
  ("D02j" "Queen's Pawn: Krause, Reversed QGD" "d4 d5 Nf3 c5 e3")
  ("D02j" "Queen's Pawn: Krause, Reversed QGA" "d4 d5 Nf3 c5 dxc5")
  ("D02k" "Queen's Pawn: 2.Nf3 Nf6" "d4 d5 Nf3 Nf6")
  ("D02k" "Queen's Pawn: 3.c3" "d4 d5 Nf3 Nf6 c3")
  ("D02l" "Queen's Pawn: London" "d4 d5 Nf3 Nf6 Bf4")
  ("D02m" "Queen's Pawn: London" "d4 d5 Nf3 Nf6 Bf4 Bf5")
  ("D02n" "Queen's Pawn: London" "d4 d5 Nf3 Nf6 Bf4 e6")
  ("D02o" "Queen's Pawn: London" "d4 d5 Nf3 Nf6 Bf4 c5")
  ("D02p" "Queen's Pawn: London" "d4 d5 Nf3 Nf6 Bf4 c5 e3 e6")
  ("D02p" "Queen's Pawn: London" "d4 d5 Nf3 Nf6 Bf4 c5 e3 e6 c3 Nc6")
  ("D02q" "Queen's Pawn: London" "d4 d5 Nf3 Nf6 Bf4 e6 e3 c5 c3 Nc6 Bd3 Bd6")
  ("D02r" "Queen's Pawn: 3.g3" "d4 d5 Nf3 Nf6 g3")
  ("D02s" "Queen's Pawn: 3.g3 c6" "d4 d5 Nf3 Nf6 g3 c6")
  ("D02s" "Queen's Pawn: 3.g3 c6" "d4 d5 Nf3 Nf6 g3 c6 Bg2")
  ("D02t" "Queen's Pawn: 3.g3 c6 4.Bg2 Bg4" "d4 d5 Nf3 Nf6 g3 c6 Bg2 Bg4")
  ("D02t" "Queen's Pawn: 3.g3 c6 4.Bg2 Bg4" "d4 d5 Nf3 Nf6 g3 c6 Bg2 Bg4 O-O")
  ("D02t" "Queen's Pawn: 3.g3 c6 4.Bg2 Bg4" "d4 d5 Nf3 Nf6 g3 c6 Bg2 Bg4 O-O Nbd7")
  ("D02t" "Queen's Pawn: 3.g3 c6 4.Bg2 Bg4" "d4 d5 Nf3 Nf6 g3 c6 Bg2 Bg4 O-O Nbd7 Nbd2 e6")
  ("D02u" "Queen's Pawn: 3.g3 g6" "d4 d5 Nf3 Nf6 g3 g6")
  ("D02u" "Queen's Pawn: 3.g3 g6" "d4 d5 Nf3 Nf6 g3 g6 Bg2 Bg7")
  ("D02u" "Queen's Pawn: 3.g3 g6" "d4 d5 Nf3 Nf6 g3 g6 Bg2 Bg7 O-O O-O")
  ("D03a" "Torre Attack (Tartakower)" "d4 d5 Nf3 Nf6 Bg5")
  ("D03b" "Torre Attack: 3...Ne4" "d4 d5 Nf3 Nf6 Bg5 Ne4")
  ("D03c" "Torre Attack: 3...Ne4 4.Bf4" "d4 d5 Nf3 Nf6 Bg5 Ne4 Bf4")
  ("D03d" "Torre Attack: 3...e6" "d4 d5 Nf3 Nf6 Bg5 e6")
  ("D03e" "Torre Attack: 3...e6 4.e3" "d4 d5 Nf3 Nf6 Bg5 e6 e3")
  ("D03f" "Torre Attack: 3...e6 4.e3 Nbd7" "d4 d5 Nf3 Nf6 Bg5 e6 e3 Nbd7")
  ("D03f" "Torre Attack: 3...e6 4.e3 Nbd7" "d4 d5 Nf3 Nf6 Bg5 e6 e3 Nbd7 Nbd2 Be7")
  ("D03g" "Torre Attack: 3...e6 4.e3 c5" "d4 d5 Nf3 Nf6 Bg5 e6 e3 c5")
  ("D03h" "Torre Attack: 3...e6 4.e3 c5" "d4 d5 Nf3 Nf6 Bg5 e6 e3 c5 Nbd2 Nbd7")
  ("D03i" "Torre Attack: 3...e6 4.e3 c5" "d4 d5 Nf3 Nf6 Bg5 e6 e3 c5 Nbd2 Be7")
  ("D03j" "Torre Attack: 3...e6 4.e3 c5" "d4 d5 Nf3 Nf6 Bg5 e6 e3 c5 Nbd2 Be7 c3 Nbd7")
  ("D03k" "Torre Attack: 3...g6" "d4 d5 Nf3 Nf6 Bg5 g6")
  ("D03k" "Torre Attack: 3...g6" "d4 d5 Nf3 Nf6 Bg5 g6 c3 Bg7")
  ("D03l" "Torre Attack: 3...g6" "d4 d5 Nf3 Nf6 Bg5 g6 Nbd2")
  ("D03l" "Torre Attack: 3...g6" "d4 d5 Nf3 Nf6 Bg5 g6 Nbd2 Bg7")
  ("D03m" "Torre Attack: 3...g6 4.e3" "d4 d5 Nf3 Nf6 Bg5 g6 e3")
  ("D03m" "Torre Attack: 3...g6 4.e3" "d4 d5 Nf3 Nf6 Bg5 g6 e3 Bg7")
  ("D03n" "Torre Attack: 3...g6 4.e3 Bg7 5.Nbd2" "d4 d5 Nf3 Nf6 Bg5 g6 e3 Bg7 Nbd2")
  ("D03o" "Torre Attack: 3...g6 4.e3 Bg7 5.Nbd2 O-O" "d4 d5 Nf3 Nf6 Bg5 g6 e3 Bg7 Nbd2 O-O")
  ("D03p" "Torre Attack: 3...g6 4.e3 Bg7 5.Nbd2 O-O 6.c3" "d4 d5 Nf3 Nf6 Bg5 g6 Nbd2 Bg7 e3 O-O c3")
  ("D03q" "Torre Attack: 3...g6 4.e3 Bg7 5.Nbd2 O-O 6.c3 Nbd7" "d4 d5 Nf3 Nf6 Bg5 g6 Nbd2 Bg7 e3 O-O c3 Nbd7")
  ("D03r" "Torre Attack: 3...g6 4.e3 Bg7 5.Nbd2 O-O 6.c3 Nbd7 7.Be2" "d4 d5 Nf3 Nf6 Bg5 g6 Nbd2 Bg7 e3 O-O c3 Nbd7 Be2")
  ("D03s" "Torre Attack: 3...g6 4.e3 Bg7 5.Nbd2 O-O 6.Bd3" "d4 d5 Nf3 Nf6 Bg5 g6 e3 Bg7 Nbd2 O-O Bd3")
  ("D03t" "Torre Attack: 3...g6 4.e3 Bg7 5.Nbd2 O-O 6.Bd3 c5" "d4 d5 Nf3 Nf6 Bg5 g6 Nbd2 Bg7 e3 O-O Bd3 c5")
  ("D03t" "Torre Attack: 3...g6 4.e3 Bg7 5.Nbd2 O-O 6.Bd3 c5" "d4 d5 Nf3 Nf6 Bg5 g6 Nbd2 Bg7 e3 O-O Bd3 c5 c3")
  ("D03u" "Torre Attack: 3...g6 4.e3 Bg7 5.Nbd2 O-O 6.Bd3 c5 7.c3 Nbd7" "d4 d5 Nf3 Nf6 Bg5 g6 Nbd2 Bg7 e3 O-O Bd3 c5 c3 Nbd7")
  ("D04a" "Queen's Pawn: Colle" "d4 d5 Nf3 Nf6 e3")
  ("D04b" "Colle: 3...Bg4" "d4 d5 Nf3 Nf6 e3 Bg4")
  ("D04c" "Colle: 3...Bf5" "d4 d5 Nf3 Nf6 e3 Bf5")
  ("D04d" "Colle: 3...Bf5, Alekhine Variation" "d4 d5 Nf3 Nf6 e3 Bf5 Bd3 e6")
  ("D04e" "Colle: 3...g6" "d4 d5 Nf3 Nf6 e3 g6")
  ("D04f" "Colle: 3...c6" "d4 d5 Nf3 Nf6 e3 c6")
  ("D04g" "Colle: 3...c5" "d4 d5 Nf3 Nf6 e3 c5")
  ("D04h" "Colle: 3...c5 4.c3" "d4 d5 Nf3 Nf6 e3 c5 c3")
  ("D04i" "Colle: 3...c5 4.c3 Nc6" "d4 d5 Nf3 Nf6 e3 c5 c3 Nc6")
  ("D04j" "Colle: 3...c5 4.c3 Nbd7" "d4 d5 Nf3 Nf6 e3 c5 c3 Nbd7")
  ("D05a" "Colle: 3...e6" "d4 d5 Nf3 Nf6 e3 e6")
  ("D05b" "Colle: 3...e6 4.Nbd2" "d4 d5 Nf3 Nf6 e3 e6 Nbd2")
  ("D05c" "Colle: Zukertort Variation" "d4 d5 Nf3 Nf6 e3 e6 Nbd2 c5 b3")
  ("D05d" "Colle: 3...e6 4.Bd3" "d4 d5 Nf3 Nf6 e3 e6 Bd3")
  ("D05e" "Colle: 3...e6 4.Bd3 c5" "d4 d5 Nf3 Nf6 e3 e6 Bd3 c5")
  ("D05f" "Colle: Rubinstein's Attack" "d4 d5 Nf3 Nf6 e3 e6 Bd3 c5 b3")
  ("D05g" "Colle: Rubinstein's Attack, 5...Nc6" "d4 d5 Nf3 Nf6 e3 e6 Bd3 c5 b3 Nc6")
  ("D05h" "Colle: 5.c3" "d4 d5 Nf3 Nf6 e3 e6 Bd3 c5 c3")
  ("D05i" "Colle: 5.c3 Nbd7" "d4 d5 Nf3 Nf6 e3 e6 Bd3 c5 c3 Nbd7")
  ("D05j" "Colle: 5.c3 Nc6" "d4 d5 Nf3 Nf6 e3 e6 Bd3 c5 c3 Nc6")
  ("D05k" "Colle: 5.c3 Nc6 6.Nbd2" "d4 d5 Nf3 Nf6 e3 e6 Bd3 c5 c3 Nc6 Nbd2")
  ("D05l" "Colle: 5.c3 Nc6 6.Nbd2 Bd6" "d4 d5 Nf3 Nf6 e3 e6 Bd3 c5 c3 Nc6 Nbd2 Bd6")
  ("D05m" "Colle: 5.c3 Nc6 6.Nbd2 Bd6 7.O-O O-O" "d4 d5 Nf3 Nf6 e3 e6 Bd3 c5 c3 Nc6 Nbd2 Bd6 O-O O-O")
  ("D05n" "Colle: 5.c3 Nc6 6.Nbd2 Bd6 7.O-O O-O 8.dxc5 Bxc5" "d4 d5 Nf3 Nf6 e3 e6 Bd3 c5 c3 Nc6 Nbd2 Bd6 O-O O-O dxc5 Bxc5")
  ("D06a" "Queen's Gambit" "d4 d5 c4")
  ("D06b" "QGD: Austrian Defence" "d4 d5 c4 c5")
  ("D06b" "QGD: Austrian, Rubinstein Variation" "d4 d5 c4 c5 cxd5 Nf6")
  ("D06b" "QGD: Austrian, Rubinstein, 4.dxc5" "d4 d5 c4 c5 cxd5 Nf6 dxc5")
  ("D06c" "QGD: Austrian, Rubinstein, 4.Nf3" "d4 d5 c4 c5 cxd5 Nf6 Nf3")
  ("D06d" "QGD: Austrian, Rubinstein, 4.Nf3 cxd4" "d4 d5 c4 c5 cxd5 Nf6 Nf3 cxd4")
  ("D06e" "QGD: Marshall Defence" "d4 d5 c4 Nf6")
  ("D06f" "QGD: Marshall Defence, 3.Nc3" "d4 d5 c4 Nf6 Nc3")
  ("D06g" "QGD: Marshall Defence, 3.Nf3" "d4 d5 c4 Nf6 Nf3")
  ("D06h" "QGD: Marshall Defence, 3.cxd5" "d4 d5 c4 Nf6 cxd5")
  ("D06i" "QGD: Marshall Defence, 3.cxd5 Nxd5" "d4 d5 c4 Nf6 cxd5 Nxd5")
  ("D06j" "QGD: Marshall Defence, 3.cxd5 Nxd5 4.Nf3" "d4 d5 c4 Nf6 cxd5 Nxd5 Nf3")
  ("D06k" "QGD: Marshall Defence, 3.cxd5 Nxd5 4.e4" "d4 d5 c4 Nf6 cxd5 Nxd5 e4")
  ("D06l" "QGD: 2...Bf5" "d4 d5 c4 Bf5")
  ("D06l" "QGD: 2...Bf5 3.Qb3" "d4 d5 c4 Bf5 Qb3")
  ("D06m" "QGD: 2...Bf5 3.Nc3" "d4 d5 c4 Bf5 Nc3")
  ("D06m" "QGD: 2...Bf5 3.Nc3 e6" "d4 d5 c4 Bf5 Nc3 e6")
  ("D06n" "QGD: 2...Bf5 3.Nf3" "d4 d5 c4 Bf5 Nf3")
  ("D06n" "QGD: 2...Bf5 3.Nf3 e6" "d4 d5 c4 Bf5 Nf3 e6")
  ("D06o" "QGD: 2...Bf5 3.Nf3 e6 4.Qb3" "d4 d5 c4 Bf5 Nf3 e6 Qb3")
  ("D06p" "QGD: 2...Bf5 3.Nf3 e6 4.Nc3" "d4 d5 c4 Bf5 Nf3 e6 Nc3")
  ("D06q" "QGD: 2...Bf5 3.Nf3 e6 4.Nc3 Nf6" "d4 d5 c4 Bf5 Nf3 e6 Nc3 Nf6")
  ("D06r" "QGD: 2...Bf5 3.cxd5" "d4 d5 c4 Bf5 cxd5")
  ("D06s" "QGD: 2...Bf5 3.cxd5 Bxb1 4.Rxb1" "d4 d5 c4 Bf5 cxd5 Bxb1 Rxb1")
  ("D06t" "QGD: 2...Bf5 3.cxd5 Bxb1 4.Qa4+" "d4 d5 c4 Bf5 cxd5 Bxb1 Qa4+")
  ("D06u" "QGD: 2...Bf5 3.cxd5 Bxb1 4.Qa4+ c6 5.Rxb1" "d4 d5 c4 Bf5 cxd5 Bxb1 Qa4+ c6 Rxb1")
  ("D07a" "QGD: Chigorin Defence" "d4 d5 c4 Nc6")
  ("D07b" "QGD: Chigorin, 3.e3" "d4 d5 c4 Nc6 e3")
  ("D07c" "QGD: Chigorin, 3.cxd5" "d4 d5 c4 Nc6 cxd5")
  ("D07c" "QGD: Chigorin, 3.cxd5, Main Line" "d4 d5 c4 Nc6 cxd5 Qxd5 e3 e5 Nc3 Bb4 Bd2 Bxc3")
  ("D07d" "QGD: Chigorin, 3.cxd5, Main Line, 7.bxc3" "d4 d5 c4 Nc6 cxd5 Qxd5 e3 e5 Nc3 Bb4 Bd2 Bxc3 bxc3")
  ("D07e" "QGD: Chigorin, 3.cxd5 Main Line, 7.Bxc3" "d4 d5 c4 Nc6 cxd5 Qxd5 e3 e5 Nc3 Bb4 Bd2 Bxc3 Bxc3")
  ("D07f" "QGD: Chigorin, 3.Nf3" "d4 d5 c4 Nc6 Nf3")
  ("D07g" "QGD: Chigorin, Lazard Gambit" "d4 d5 c4 Nc6 Nf3 e5")
  ("D07h" "QGD: Chigorin, 3.Nf3 Bg4" "d4 d5 c4 Nc6 Nf3 Bg4")
  ("D07i" "QGD: Chigorin, 3.Nf3 Bg4 4.e3" "d4 d5 c4 Nc6 Nf3 Bg4 e3")
  ("D07j" "QGD: Chigorin, 3.Nf3 Bg4 4.Nc3" "d4 d5 c4 Nc6 Nf3 Bg4 Nc3")
  ("D07k" "QGD: Chigorin, 3.Nf3 Bg4 4.cxd5" "d4 d5 c4 Nc6 Nf3 Bg4 cxd5")
  ("D07l" "QGD: Chigorin, 3.Nf3 Bg4 4.cxd5 Bxf3 5.dxc6" "d4 d5 c4 Nc6 Nf3 Bg4 cxd5 Bxf3 dxc6")
  ("D07m" "QGD: Chigorin, 3.Nf3 Bg4 4.cxd5 Bxf3 5.gxf3" "d4 d5 c4 Nc6 Nf3 Bg4 cxd5 Bxf3 gxf3")
  ("D07n" "QGD: Chigorin, 3.Nc3" "d4 d5 c4 Nc6 Nc3")
  ("D07o" "QGD: Chigorin, Tartakower Gambit" "d4 d5 c4 Nc6 Nc3 e5")
  ("D07p" "QGD: Chigorin, 3.Nc3 Nf6" "d4 d5 c4 Nc6 Nc3 Nf6")
  ("D07q" "QGD: Chigorin, 3.Nc3 Nf6 4.Nf3" "d4 d5 c4 Nc6 Nc3 Nf6 Nf3")
  ("D07r" "QGD: Chigorin, 3.Nc3 Nf6 4.Nf3 Bg4" "d4 d5 c4 Nc6 Nc3 Nf6 Nf3 Bg4")
  ("D07s" "QGD: Chigorin, 3.Nc3 dxc4" "d4 d5 c4 Nc6 Nc3 dxc4")
  ("D07t" "QGD: Chigorin, 3.Nc3 dxc4 4.d5" "d4 d5 c4 Nc6 Nc3 dxc4 d5")
  ("D07u" "QGD: Chigorin, 3.Nc3 dxc4 4.Nf3" "d4 d5 c4 Nc6 Nc3 dxc4 Nf3")
  ("D07v" "QGD: Chigorin, 3.Nc3 dxc4 4.Nf3 Nf6" "d4 d5 c4 Nc6 Nc3 dxc4 Nf3 Nf6")
  ("D07w" "QGD: Chigorin, 3.Nc3 dxc4 4.Nf3 Nf6 5.e4" "d4 d5 c4 Nc6 Nc3 dxc4 Nf3 Nf6 e4")
  ("D08" "QGD: Albin Countergambit" "d4 d5 c4 e5")
  ("D08" "QGD: Albin, 3.e3" "d4 d5 c4 e5 e3")
  ("D08" "QGD: Albin, 3.dxe5" "d4 d5 c4 e5 dxe5")
  ("D08" "QGD: Albin, 3.dxe5 d4" "d4 d5 c4 e5 dxe5 d4")
  ("D08" "QGD: Albin, Lasker Trap" "d4 d5 c4 e5 dxe5 d4 e3 Bb4+ Bd2 dxe3")
  ("D08" "QGD: Albin, 4.e4" "d4 d5 c4 e5 dxe5 d4 e4")
  ("D08" "QGD: Albin, 4.a3" "d4 d5 c4 e5 dxe5 d4 a3")
  ("D08" "QGD: Albin, 4.Nf3" "d4 d5 c4 e5 dxe5 d4 Nf3")
  ("D08" "QGD: Albin, 4.Nf3 Nc6" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6")
  ("D08" "QGD: Albin, Alapin Variation" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 Nbd2")
  ("D08" "QGD: Albin, Janowski Variation" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 Nbd2 f6")
  ("D08" "QGD: Albin, Balogh Variation" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 Nbd2 Qe7")
  ("D08" "QGD: Albin, Alapin, 5...Bg4" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 Nbd2 Bg4")
  ("D08" "QGD: Albin, Krenosz Variation" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 Nbd2 Bg4 h3 Bxf3 Nxf3 Bb4+ Bd2 Qe7")
  ("D08" "QGD: Albin, 4.Nf3 Nc6 5.a3" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 a3")
  ("D08" "QGD: Albin, 4.Nf3 Nc6 5.a3 a5" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 a3 a5")
  ("D08" "QGD: Albin, 4.Nf3 Nc6 5.a3 Be6" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 a3 Be6")
  ("D08" "QGD: Albin, 4.Nf3 Nc6 5.a3 Bg4" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 a3 Bg4")
  ("D08" "QGD: Albin, 4.Nf3 Nc6 5.a3 Bg4 6.Nbd2" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 a3 Bg4 Nbd2")
  ("D09" "QGD: Albin, 5.g3" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 g3")
  ("D09" "QGD: Albin, 5.g3 Nge7" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 g3 Nge7")
  ("D09" "QGD: Albin, 5.g3 Bf5" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 g3 Bf5")
  ("D09" "QGD: Albin, 5.g3 Bg4" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 g3 Bg4")
  ("D09" "QGD: Albin, 5.g3 Bg4 6.Bg2 Qd7" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 g3 Bg4 Bg2 Qd7")
  ("D09" "QGD: Albin, 5.g3 Bg4 6.Bg2 Qd7 7.O-O O-O-O" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 g3 Bg4 Bg2 Qd7 O-O O-O-O")
  ("D09" "QGD: Albin, 5.g3 Be6" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 g3 Be6")
  ("D09" "QGD: Albin, 5.g3 Be6 6.b3" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 g3 Be6 b3")
  ("D09" "QGD: Albin, 5.g3 Be6 6.Bg2" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 g3 Be6 Bg2")
  ("D09" "QGD: Albin, 5.g3 Be6 6.Nbd2" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 g3 Be6 Nbd2")
  ("D09" "QGD: Albin, 5.g3 Be6 6.Nbd2 Qd7" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 g3 Be6 Nbd2 Qd7")
  ("D09" "QGD: Albin, 5.g3 Be6 6.Nbd2 Qd7 7.Bg2" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 g3 Be6 Nbd2 Qd7 Bg2")
  ("D09" "QGD: Albin, 5.g3 Be6 6.Nbd2 Qd7 7.Bg2 O-O-O" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 g3 Be6 Nbd2 Qd7 Bg2 O-O-O")
  ("D09" "QGD: Albin, 5.g3 Be6 6.Nbd2 Qd7 7.Bg2 Nge7" "d4 d5 c4 e5 dxe5 d4 Nf3 Nc6 g3 Be6 Nbd2 Qd7 Bg2 Nge7")
  ("D10a" "Slav Defence" "d4 d5 c4 c6")
  ("D10a" "Diemer-Duhm Gambit (DDG) vs. Slav/Caro-Kann" "d4 d5 c4 c6 e4")
  ("D10a" "Slav: 3.g3" "d4 d5 c4 c6 g3")
  ("D10a" "Slav: 3.Bf4" "d4 d5 c4 c6 Bf4")
  ("D10b" "Slav: Exchange" "d4 d5 c4 c6 cxd5")
  ("D10b" "Slav: Exchange" "d4 d5 c4 c6 cxd5 cxd5")
  ("D10c" "Slav: Exchange, 4.Bf4" "d4 d5 c4 c6 cxd5 cxd5 Bf4")
  ("D10d" "Slav: Exchange, 4.Nf3" "d4 d5 c4 c6 cxd5 cxd5 Nf3")
  ("D10e" "Slav: Exchange, 4.Nc3" "d4 d5 c4 c6 cxd5 cxd5 Nc3")
  ("D10e" "Slav: Exchange, 4.Nc3 Nf6" "d4 d5 c4 c6 cxd5 cxd5 Nc3 Nf6")
  ("D10e" "Slav: Exchange, 4.Nc3 Nf6 5.Bf4" "d4 d5 c4 c6 cxd5 cxd5 Nc3 Nf6 Bf4")
  ("D10f" "Slav: Exchange, 4.Nc3 Nf6 5.Bf4 Nc6" "d4 d5 c4 c6 cxd5 cxd5 Nc3 Nf6 Bf4 Nc6")
  ("D10f" "Slav: Exchange, 4.Nc3 Nf6 5.Bf4 Nc6 6.e3" "d4 d5 c4 c6 cxd5 cxd5 Nc3 Nf6 Bf4 Nc6 e3")
  ("D10g" "Slav: Exchange, 4.Nc3 Nf6 5.Bf4 Nc6 6.e3 a6" "d4 d5 c4 c6 cxd5 cxd5 Nc3 Nf6 Bf4 Nc6 e3 a6")
  ("D10h" "Slav: 3.e3" "d4 d5 c4 c6 e3")
  ("D10h" "Slav: 3.e3 Bf5" "d4 d5 c4 c6 e3 Bf5")
  ("D10h" "Slav: 3.e3 Nf6" "d4 d5 c4 c6 e3 Nf6")
  ("D10i" "Slav: 3.Nc3" "d4 d5 c4 c6 Nc3")
  ("D10j" "Slav: Winawer Countergambit" "d4 d5 c4 c6 Nc3 e5")
  ("D10k" "Slav: Winawer Countergambit, 4.cxd5" "d4 d5 c4 c6 Nc3 e5 cxd5")
  ("D10k" "Slav: Winawer Countergambit, 4.cxd5 cxd5 5.dxe5" "d4 d5 c4 c6 Nc3 e5 cxd5 cxd5 dxe5")
  ("D10l" "Slav: Winawer Countergambit, 4.cxd5 cxd5 5.Nf3" "d4 d5 c4 c6 Nc3 e5 cxd5 cxd5 Nf3")
  ("D10m" "Slav: Winawer Countergambit Accepted" "d4 d5 c4 c6 Nc3 e5 dxe5")
  ("D10m" "Slav: Winawer Countergambit Accepted, 6.Nd2" "d4 d5 c4 c6 Nc3 e5 dxe5 d4 Ne4 Qa5+ Nd2")
  ("D10n" "Slav: Winawer Countergambit Accepted, 6.Bd2" "d4 d5 c4 c6 Nc3 e5 dxe5 d4 Ne4 Qa5+ Bd2")
  ("D10o" "Slav: 3.Nc3 dxc4" "d4 d5 c4 c6 Nc3 dxc4")
  ("D10o" "Slav: 3.Nc3 dxc4 4.a4" "d4 d5 c4 c6 Nc3 dxc4 a4")
  ("D10o" "Slav: 3.Nc3 dxc4 4.e3" "d4 d5 c4 c6 Nc3 dxc4 e3")
  ("D10p" "Slav: 3.Nc3 dxc4 4.e4" "d4 d5 c4 c6 Nc3 dxc4 e4")
  ("D10q" "Slav: 3.Nc3 dxc4 4.e4 b5" "d4 d5 c4 c6 Nc3 dxc4 e4 b5")
  ("D10r" "Slav: 3.Nc3 dxc4 4.e4 b5 5.a4" "d4 d5 c4 c6 Nc3 dxc4 e4 b5 a4")
  ("D10r" "Slav: 3.Nc3 Nf6" "d4 d5 c4 c6 Nc3 Nf6")
  ("D10s" "Slav: 3.Nc3 Nf6 4.Bg5" "d4 d5 c4 c6 Nc3 Nf6 Bg5")
  ("D10t" "Slav: 3.Nc3 Nf6 4.Bg5 dxc4" "d4 d5 c4 c6 Nc3 Nf6 Bg5 dxc4")
  ("D10u" "Slav: 3.Nc3 Nf6 4.e3" "d4 d5 c4 c6 Nc3 Nf6 e3")
  ("D10v" "Slav: 3.Nc3 Nf6 4.e3 Bf5" "d4 d5 c4 c6 Nc3 Nf6 e3 Bf5")
  ("D10w" "Slav: 3.Nc3 Nf6 4.e3 a6" "d4 d5 c4 c6 Nc3 Nf6 e3 a6")
  ("D10w" "Slav: 3.Nc3 Nf6 4.e3 a6 5.Bd3" "d4 d5 c4 c6 Nc3 Nf6 e3 a6 Bd3")
  ("D10x" "Slav: 3.Nc3 Nf6 4.e3 a6 5.Qc2" "d4 d5 c4 c6 Nc3 Nf6 e3 a6 Qc2")
  ("D10y" "Slav: 3.Nc3 Nf6 4.e3 a6 5.Qc2 b5" "d4 d5 c4 c6 Nc3 Nf6 e3 a6 Qc2 b5")
  ("D11a" "Slav: 3.Nf3" "d4 d5 c4 c6 Nf3")
  ("D11b" "Slav: 3.Nf3 Bg4" "d4 d5 c4 c6 Nf3 Bg4")
  ("D11c" "Slav: 3.Nf3 Bf5" "d4 d5 c4 c6 Nf3 Bf5")
  ("D11c" "Slav: 3.Nf3 Bf5 4.Nc3" "d4 d5 c4 c6 Nf3 Bf5 Nc3")
  ("D11c" "Slav: 3.Nf3 Bf5 4.Nc3 e6" "d4 d5 c4 c6 Nf3 Bf5 Nc3 e6")
  ("D11d" "Slav: 3.Nf3 Bf5 4.Nc3 e6 5.Qb3" "d4 d5 c4 c6 Nf3 Bf5 Nc3 e6 Qb3")
  ("D11e" "Slav: 3.Nf3 dxc4" "d4 d5 c4 c6 Nf3 dxc4")
  ("D11e" "Slav: 3.Nf3 dxc4 4.Nc3" "d4 d5 c4 c6 Nf3 dxc4 Nc3")
  ("D11e" "Slav: 3.Nf3 dxc4 4.e3" "d4 d5 c4 c6 Nf3 dxc4 e3")
  ("D11e" "Slav: 3.Nf3 dxc4 4.e3 Be6" "d4 d5 c4 c6 Nf3 dxc4 e3 Be6")
  ("D11f" "Slav: 3.Nf3 dxc4 4.e3 b5" "d4 d5 c4 c6 Nf3 dxc4 e3 b5")
  ("D11f" "Slav: 3.Nf3 dxc4 4.e3 b5 5.a4" "d4 d5 c4 c6 Nf3 dxc4 e3 b5 a4")
  ("D11f" "Slav: 3.Nf3 dxc4 4.e3 b5 5.a4 e6" "d4 d5 c4 c6 Nf3 dxc4 e3 b5 a4 e6")
  ("D11g" "Slav: 3.Nf3 Nf6" "d4 d5 c4 c6 Nf3 Nf6")
  ("D11h" "Slav: 4.Qb3" "d4 d5 c4 c6 Nf3 Nf6 Qb3")
  ("D11i" "Slav: 4.Qc2" "d4 d5 c4 c6 Nf3 Nf6 Qc2")
  ("D11j" "Slav: 4.Qc2 g6 5.Bf4" "d4 d5 c4 c6 Nf3 Nf6 Qc2 g6 Bf4")
  ("D11k" "Slav: Breyer Variation" "d4 d5 c4 c6 Nf3 Nf6 Nbd2")
  ("D11l" "Slav: Slav-Reti System" "d4 d5 c4 c6 Nf3 Nf6 g3")
  ("D11m" "Slav: Slav-Reti System" "d4 d5 c4 c6 Nf3 Nf6 g3 Bg4")
  ("D11m" "Slav: Slav-Reti System" "d4 d5 c4 c6 Nf3 Nf6 g3 Bg4 Bg2")
  ("D11m" "Slav: Slav-Reti System" "d4 d5 c4 c6 Nf3 Nf6 g3 Bg4 Bg2 e6")
  ("D11m" "Slav: Slav-Reti System" "d4 d5 c4 c6 Nf3 Nf6 g3 Bg4 Bg2 e6 O-O")
  ("D11m" "Slav: Slav-Reti System" "d4 d5 c4 c6 Nf3 Nf6 g3 Bg4 Bg2 e6 O-O Nbd7")
  ("D11m" "Slav: Slav-Reti System" "d4 d5 c4 c6 Nf3 Nf6 g3 Bg4 Bg2 e6 O-O Nbd7 Nbd2")
  ("D11m" "Slav: Slav-Reti System" "d4 d5 c4 c6 Nf3 Nf6 g3 Bg4 Bg2 e6 O-O Nbd7 Nbd2 Bd6")
  ("D11m" "Slav: Slav-Reti System" "d4 d5 c4 c6 Nf3 Nf6 g3 Bg4 Bg2 e6 O-O Nbd7 Nbd2 Be7")
  ("D11n" "Slav: Slav-Reti with b3" "d4 d5 c4 c6 Nf3 Nf6 g3 Bg4 Bg2 e6 O-O Nbd7 b3")
  ("D11n" "Slav: Slav-Reti with b3" "d4 d5 c4 c6 Nf3 Nf6 g3 Bg4 Bg2 e6 O-O Nbd7 b3 Bd6")
  ("D11n" "Slav: Slav-Reti with b3" "d4 d5 c4 c6 Nf3 Nf6 g3 Bg4 Bg2 e6 O-O Nbd7 b3 Bd6 Bb2")
  ("D11n" "Slav: Slav-Reti with b3" "d4 d5 c4 c6 Nf3 Nf6 g3 Bg4 Bg2 e6 O-O Nbd7 b3 Bd6 Bb2 O-O Nbd2")
  ("D11n" "Slav: Slav-Reti with b3" "d4 d5 c4 c6 Nf3 Nf6 g3 Bg4 Bg2 e6 O-O Nbd7 b3 Be7")
  ("D11n" "Slav: Slav-Reti with b3" "d4 d5 c4 c6 Nf3 Nf6 g3 Bg4 Bg2 e6 O-O Nbd7 b3 Be7 Bb2")
  ("D11n" "Slav: Slav-Reti with b3" "d4 d5 c4 c6 Nf3 Nf6 g3 Bg4 Bg2 e6 O-O Nbd7 b3 Be7 Bb2 O-O Nbd2")
  ("D11o" "Slav: Slav-Reti System" "d4 d5 c4 c6 Nf3 Nf6 g3 Bf5")
  ("D11o" "Slav: Slav-Reti System" "d4 d5 c4 c6 Nf3 Nf6 g3 Bf5 Bg2")
  ("D11o" "Slav: Slav-Reti System" "d4 d5 c4 c6 Nf3 Nf6 g3 Bf5 Bg2 e6")
  ("D11o" "Slav: Slav-Reti System" "d4 d5 c4 c6 Nf3 Nf6 g3 Bf5 Bg2 e6 O-O")
  ("D11o" "Slav: Slav-Reti System" "d4 d5 c4 c6 Nf3 Nf6 g3 Bf5 Bg2 e6 O-O Nbd7")
  ("D11o" "Slav: Slav-Reti System" "d4 d5 c4 c6 Nf3 Nf6 g3 Bf5 Bg2 e6 O-O Be7")
  ("D11p" "Slav: Slav-Reti System" "d4 d5 c4 c6 Nf3 Nf6 g3 Bf5 Bg2 e6 O-O h6")
  ("D11p" "Slav: Slav-Reti System" "d4 d5 c4 c6 Nf3 Nf6 g3 Bf5 Bg2 e6 O-O h6 Nbd2")
  ("D11p" "Slav: Slav-Reti System" "d4 d5 c4 c6 Nf3 Nf6 g3 Bf5 Bg2 e6 O-O h6 Nc3")
  ("D11p" "Slav: Slav-Reti System" "d4 d5 c4 c6 Nf3 Nf6 g3 Bf5 Bg2 e6 O-O h6 b3")
  ("D11q" "Slav: 4.e3" "d4 d5 c4 c6 Nf3 Nf6 e3")
  ("D11r" "Slav: 4.e3 g6" "d4 d5 c4 c6 Nf3 Nf6 e3 g6")
  ("D11s" "Slav: 4.e3 a6" "d4 d5 c4 c6 Nf3 Nf6 e3 a6")
  ("D11t" "Slav: 4.e3 Bg4" "d4 d5 c4 c6 Nf3 Nf6 e3 Bg4")
  ("D11t" "Slav: 4.e3 Bg4" "d4 d5 c4 c6 Nf3 Nf6 e3 Bg4 Nc3")
  ("D12a" "Slav: 4.e3 Bf5" "d4 d5 c4 c6 Nf3 Nf6 e3 Bf5")
  ("D12b" "Slav: 4.e3 Bf5 5.Qb3" "d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 Qb3")
  ("D12c" "Slav: 4.e3 Bf5 5.cxd5" "d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 cxd5")
  ("D12c" "Slav: 4.e3 Bf5 5.cxd5" "d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 cxd5 cxd5")
  ("D12d" "Slav: 4.e3 Bf5 5.cxd5 cxd5 6.Qb3" "d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 cxd5 cxd5 Qb3")
  ("D12e" "Slav: 4.e3 Bf5 5.cxd5 cxd5 6.Qb3 Qc7" "d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 cxd5 cxd5 Qb3 Qc7")
  ("D12f" "Slav: 4.e3 Bf5 5.cxd5 cxd5 6.Nc3" "d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 cxd5 cxd5 Nc3")
  ("D12f" "Slav: 4.e3 Bf5 5.cxd5 cxd5 6.Nc3, Amsterdam Variation" "d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 cxd5 cxd5 Nc3 e6 Ne5 Nfd7")
  ("D12g" "Slav: 4.e3 Bf5 5.Bd3" "d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 Bd3")
  ("D12h" "Slav: 4.e3 Bf5 5.Bd3 Bxd3" "d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 Bd3 Bxd3")
  ("D12i" "Slav: 4.e3 Bf5 5.Nc3" "d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 Nc3")
  ("D12i" "Slav: 4.e3 Bf5 5.Nc3 e6" "d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 Nc3 e6")
  ("D12j" "Slav: 4.e3 Bf5 5.Nc3 e6 6.Be2" "d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 Nc3 e6 Be2")
  ("D12k" "Slav: 4.e3 Bf5 5.Nc3 e6 6.Bd3" "d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 Nc3 e6 Bd3")
  ("D12l" "Slav: 4.e3 Bf5 5.Nc3 e6 6.Bd3 Bxd3" "d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 Nc3 e6 Bd3 Bxd3")
  ("D12l" "Slav: 4.e3 Bf5 5.Nc3 e6 6.Bd3 Bxd3" "d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 Nc3 e6 Bd3 Bxd3 Qxd3")
  ("D12m" "Slav: 4.e3 Bf5 5.Nc3 e6 6.Bd3 Bxd3 7.Qxd3 Nbd7" "d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 Nc3 e6 Bd3 Bxd3 Qxd3 Nbd7")
  ("D12n" "Slav: 4.e3 Bf5 5.Nc3 e6 6.Nh4" "d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 Nc3 e6 Nh4")
  ("D12o" "Slav: 4.e3 Bf5 5.Nc3 e6 6.Nh4 Bg4" "d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 Nc3 e6 Nh4 Bg4")
  ("D12p" "Slav: 4.e3 Bf5 5.Nc3 e6 6.Nh4 Be4" "d4 d5 c4 c6 Nf3 Nf6 e3 Bf5 Nc3 e6 Nh4 Be4")
  ("D13a" "Slav: Exchange" "d4 d5 c4 c6 Nf3 Nf6 cxd5")
  ("D13b" "Slav: Exchange" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5")
  ("D13c" "Slav: Exchange, 5.Nc3" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3")
  ("D13d" "Slav: Exchange, 5.Nc3 Bf5" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Bf5")
  ("D13e" "Slav: Exchange, 5.Nc3 a6" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 a6")
  ("D13f" "Slav: Exchange, 5.Nc3 a6 6.Ne5" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 a6 Ne5")
  ("D13g" "Slav: Exchange, 5.Nc3 a6 6.Bf4" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 a6 Bf4")
  ("D13h" "Slav: Exchange, 5.Nc3 e6" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 e6")
  ("D13i" "Slav: Exchange, 5.Nc3 e6 6.Bf4" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 e6 Bf4")
  ("D13j" "Slav: Exchange, 5.Nc3 Nc6" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6")
  ("D13k" "Slav: Exchange, 6.Bf4" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4")
  ("D13l" "Slav: Exchange, 6.Bf4 a6" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 a6")
  ("D13m" "Slav: Exchange, 6.Bf4 a6 7.e3" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 a6 e3")
  ("D13n" "Slav: Exchange, 6.Bf4 a6 7.e3 Bg4" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 a6 e3 Bg4")
  ("D13o" "Slav: Exchange, 6.Bf4 a6 7.e3 Bg4 8.Be2" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 a6 e3 Bg4 Be2")
  ("D13p" "Slav: Exchange, 6.Bf4 e6" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 e6")
  ("D13q" "Slav: Exchange, 6.Bf4 e6 7.e3" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 e6 e3")
  ("D13r" "Slav: Exchange, 6.Bf4 e6 7.e3 Be7" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 e6 e3 Be7")
  ("D13s" "Slav: Exchange, 6.Bf4 e6 7.e3 Bd6" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 e6 e3 Bd6")
  ("D13t" "Slav: Exchange, 6.Bf4 e6 7.e3 Bd6 8.Bxd6 Qxd6" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 e6 e3 Bd6 Bxd6 Qxd6")
  ("D14a" "Slav: Exchange, 6.Bf4 Bf5" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5")
  ("D14b" "Slav: Exchange, 6.Bf4 Bf5 7.e3" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3")
  ("D14c" "Slav: Exchange, 6.Bf4 Bf5 7.e3 a6" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 a6")
  ("D14d" "Slav: Exchange, 6.Bf4 Bf5 7.e3 e6" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6")
  ("D14e" "Slav: Exchange, 8.Ne5" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Ne5")
  ("D14f" "Slav: Exchange, 8.Qb3" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Qb3")
  ("D14g" "Slav: Exchange, Trifunovic Variation" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Qb3 Bb4")
  ("D14h" "Slav: Exchange, 8.Bd3" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Bd3")
  ("D14i" "Slav: Exchange, 8.Bd3 Bxd3 9.Qxd3 Bd6" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Bd3 Bxd3 Qxd3 Bd6")
  ("D14j" "Slav: Exchange, 8.Bd3 Bxd3 9.Qxd3 Bd6 10.Bxd6 Qxd6" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Bd3 Bxd3 Qxd3 Bd6 Bxd6 Qxd6")
  ("D14k" "Slav: Exchange, 8.Bd3 Main Line" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Bd3 Bxd3 Qxd3 Bd6 Bxd6 Qxd6 O-O O-O")
  ("D14l" "Slav: Exchange, 8.Bd3 Main Line, 12.Rac1" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Bd3 Bxd3 Qxd3 Bd6 Bxd6 Qxd6 O-O O-O Rac1")
  ("D14m" "Slav: Exchange, 8.Bd3 Main Line, 12.Rfc1" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Bd3 Bxd3 Qxd3 Bd6 Bxd6 Qxd6 O-O O-O Rfc1")
  ("D14n" "Slav: Exchange, 8.Bd3 Main Line, 12.Rfc1 Rfc8" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Bd3 Bxd3 Qxd3 Bd6 Bxd6 Qxd6 O-O O-O Rfc1 Rfc8")
  ("D14o" "Slav: Exchange, 8.Bb5" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Bb5")
  ("D14p" "Slav: Exchange, 8.Bb5 Nd7" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Bb5 Nd7")
  ("D14q" "Slav: Exchange, 8.Bb5 Nd7 9.Qa4" "d4 d5 c4 c6 Nf3 Nf6 cxd5 cxd5 Nc3 Nc6 Bf4 Bf5 e3 e6 Bb5 Nd7 Qa4")
  ("D15a" "Slav: 4.Nc3" "d4 d5 c4 c6 Nf3 Nf6 Nc3")
  ("D15b" "Slav: 4.Nc3 Bf5" "d4 d5 c4 c6 Nf3 Nf6 Nc3 Bf5")
  ("D15b" "Slav: 4.Nc3 Bf5 5.Qb3" "d4 d5 c4 c6 Nf3 Nf6 Nc3 Bf5 Qb3")
  ("D15c" "Slav: Süchting Variation" "d4 d5 c4 c6 Nf3 Nf6 Nc3 Qb6")
  ("D15d" "Slav: Chameleon Variation" "d4 d5 c4 c6 Nf3 Nf6 Nc3 a6")
  ("D15e" "Slav: Chameleon, 5.Bg5" "d4 d5 c4 c6 Nf3 Nf6 Nc3 a6 Bg5")
  ("D15f" "Slav: Chameleon, 5.Ne5" "d4 d5 c4 c6 Nf3 Nf6 Nc3 a6 Ne5")
  ("D15g" "Slav: Chameleon, 5.e3" "d4 d5 c4 c6 Nf3 Nf6 Nc3 a6 e3")
  ("D15h" "Slav: Chameleon, 5.e3 b5" "d4 d5 c4 c6 Nf3 Nf6 Nc3 a6 e3 b5")
  ("D15i" "Slav: Chameleon, 5.e3 b5 6.b3" "d4 d5 c4 c6 Nf3 Nf6 Nc3 a6 e3 b5 b3")
  ("D15j" "Slav: Chameleon, 5.c5" "d4 d5 c4 c6 Nf3 Nf6 Nc3 a6 c5")
  ("D15k" "Slav: Chameleon, 5.c5 Nbd7" "d4 d5 c4 c6 Nf3 Nf6 Nc3 a6 c5 Nbd7")
  ("D15l" "Slav: Chameleon, 5.a4" "d4 d5 c4 c6 Nf3 Nf6 Nc3 a6 a4")
  ("D15m" "Slav: Chameleon, 5.a4 e6" "d4 d5 c4 c6 Nf3 Nf6 Nc3 a6 a4 e6")
  ("D15n" "Slav: Chameleon, 5.a4 e6 6.Bg5" "d4 d5 c4 c6 Nf3 Nf6 Nc3 a6 a4 e6 Bg5")
  ("D15o" "Slav: Accepted" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4")
  ("D15p" "Slav: Accepted, 5.Ne5" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 Ne5")
  ("D15q" "Slav: Accepted, Alekhine" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 e3")
  ("D15r" "Slav: Accepted, Alekhine: 5...b5 6.a4 b4" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 e3 b5 a4 b4")
  ("D15s" "Slav: Accepted, Alekhine: 5...b5 6.a4 b4 7.Nb1" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 e3 b5 a4 b4 Nb1")
  ("D15t" "Slav: Geller (Tolush) Gambit" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 e4")
  ("D15t" "Slav: Geller Gambit" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 e4 b5")
  ("D15u" "Slav: Geller Gambit, Spassky Variation" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 e4 b5 Qc2")
  ("D15v" "Slav: Geller Gambit, 6.e5" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 e4 b5 e5")
  ("D15w" "Slav: Geller Gambit, 6.e5 Nd5 7.Ng5" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 e4 b5 e5 Nd5 Ng5")
  ("D15x" "Slav: Geller Gambit, 6.e5 Nd5 7.a4" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 e4 b5 e5 Nd5 a4")
  ("D15y" "Slav: Geller Gambit, 6.e5 Nd5 7.a4 e6" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 e4 b5 e5 Nd5 a4 e6")
  ("D16a" "Slav: Alapin" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4")
  ("D16b" "Slav: 5.a4 Nd5" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Nd5")
  ("D16c" "Slav: Soultanbeieff Variation" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 e6")
  ("D16d" "Slav: Murey Variation" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 a5")
  ("D16e" "Slav: Smyslov Variation" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Na6")
  ("D16f" "Slav: Smyslov, 6.Ne5" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Na6 Ne5")
  ("D16g" "Slav: Smyslov, 6.e3" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Na6 e3")
  ("D16h" "Slav: Smyslov, 6.e3 Bg4" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Na6 e3 Bg4")
  ("D16i" "Slav: Smyslov, 6.e4" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Na6 e4")
  ("D16j" "Slav: Smyslov, 6.e4 Bg4" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Na6 e4 Bg4")
  ("D16k" "Slav: Smyslov, 6.e4 Bg4 7.Bxc4 e6" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Na6 e4 Bg4 Bxc4 e6")
  ("D16l" "Slav: Bronstein (Steiner) Variation" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bg4")
  ("D16m" "Slav: Bronstein, 6.Ne5" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bg4 Ne5")
  ("D16n" "Slav: Bronstein, 6.Ne5 Bh5" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bg4 Ne5 Bh5")
  ("D16o" "Slav: Bronstein, 6.Ne5 Bh5 7.h3" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bg4 Ne5 Bh5 h3")
  ("D16p" "Slav: Bronstein, 6.Ne5 Bh5 7.g3" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bg4 Ne5 Bh5 g3")
  ("D16q" "Slav: Bronstein, 6.Ne5 Bh5 7.f3" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bg4 Ne5 Bh5 f3")
  ("D16r" "Slav: Bronstein, 6.Ne5 Bh5 7.f3 Nfd7" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bg4 Ne5 Bh5 f3 Nfd7")
  ("D16s" "Slav: Bronstein, 6.Ne5 Bh5 7.f3 Nfd7 8.Nxc4 e5 9.Ne4" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bg4 Ne5 Bh5 f3 Nfd7 Nxc4 e5 Ne4")
  ("D17a" "Slav: Czech Defence" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5")
  ("D17b" "Slav: Czech, 6.Nh4" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Nh4")
  ("D17c" "Slav: Czech, 6.Nh4 e6" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Nh4 e6")
  ("D17d" "Slav: Czech, 6.Nh4 e6 7.Nxf5 exf5 8.e3" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Nh4 e6 Nxf5 exf5 e3")
  ("D17e" "Slav: Czech, 6.Nh4 Bc8" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Nh4 Bc8")
  ("D17e" "Slav: Czech, 6.Nh4 Bc8 7.e3" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Nh4 Bc8 e3")
  ("D17f" "Slav: Central Variation" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5")
  ("D17g" "Slav: Central, 6.Ne5 Na6" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5 Na6")
  ("D17g" "Slav: Central, 6.Ne5 Na6 7.f3" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5 Na6 f3")
  ("D17h" "Slav: Central, 6.Ne5 Nbd7" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5 Nbd7")
  ("D17i" "Slav: Central, Carlsbad Variation" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5 Nbd7 Nxc4 Qc7 g3 e5")
  ("D17j" "Slav: Central, Carlsbad, Main Line" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5 Nbd7 Nxc4 Qc7 g3 e5 dxe5 Nxe5 Bf4 Nfd7 Bg2 f6")
  ("D17k" "Slav: Central, 6.Ne5 e6" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5 e6")
  ("D17k" "Slav: Central, 6.Ne5 e6 7.f3" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5 e6 f3")
  ("D17l" "Slav: Central, Hübner (7...c5)" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5 e6 f3 c5")
  ("D17m" "Slav: Central, 7.f3 Bb4" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5 e6 f3 Bb4")
  ("D17m" "Slav: Central, 7.f3 Bb4 8.Bg5" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5 e6 f3 Bb4 Bg5")
  ("D17n" "Slav: Central, 7.f3 Bb4 8.Nxc4" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5 e6 f3 Bb4 Nxc4")
  ("D17o" "Slav: Central, 7.f3 Bb4 8.e4" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5 e6 f3 Bb4 e4")
  ("D17p" "Slav: Central, Piece-Sac Line" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5 e6 f3 Bb4 e4 Bxe4")
  ("D17q" "Slav: Central, Main Line" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5 e6 f3 Bb4 e4 Bxe4 fxe4 Nxe4 Bd2 Qxd4 Nxe4 Qxe4+ Qe2 Bxd2+ Kxd2")
  ("D17r" "Slav: Central, Main Line, 15.Nxc4" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5 e6 f3 Bb4 e4 Bxe4 fxe4 Nxe4 Bd2 Qxd4 Nxe4 Qxe4+ Qe2 Bxd2+ Kxd2 Qd5+ Kc2 Na6 Nxc4")
  ("D17s" "Slav: Central, Main Line, 15.Nxc4 O-O" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5 e6 f3 Bb4 e4 Bxe4 fxe4 Nxe4 Bd2 Qxd4 Nxe4 Qxe4+ Qe2 Bxd2+ Kxd2 Qd5+ Kc2 Na6 Nxc4 O-O")
  ("D17t" "Slav: Central, Main Line, 15.Nxc4 O-O-O" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 Ne5 e6 f3 Bb4 e4 Bxe4 fxe4 Nxe4 Bd2 Qxd4 Nxe4 Qxe4+ Qe2 Bxd2+ Kxd2 Qd5+ Kc2 Na6 Nxc4 O-O-O")
  ("D18a" "Slav: Dutch Variation" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3")
  ("D18b" "Slav: Dutch, Lasker Variation" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 Na6")
  ("D18c" "Slav: Dutch, 6...e6" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6")
  ("D18d" "Slav: Dutch, 6...e6 7.Bxc4 Bb4" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4")
  ("D18e" "Slav: Dutch, 8.O-O" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O")
  ("D18f" "Slav: Dutch, 8...Nbd7" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O Nbd7")
  ("D18g" "Slav: Dutch, 8...Nbd7 9.Nh4" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O Nbd7 Nh4")
  ("D18h" "Slav: Dutch, 8...Nbd7 9.Nh4 Bg6" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O Nbd7 Nh4 Bg6")
  ("D18i" "Slav: Dutch, 8...Nbd7 9.Qb3" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O Nbd7 Qb3")
  ("D18j" "Slav: Dutch, 8...Nbd7 9.Qb3 a5" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O Nbd7 Qb3 a5")
  ("D18k" "Slav: Dutch, 8...Nbd7 9.Qe2" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O Nbd7 Qe2")
  ("D18l" "Slav: Dutch, 8...Nbd7 9.Qe2 Bg6" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O Nbd7 Qe2 Bg6")
  ("D18m" "Slav: Dutch, 8...Nbd7 9.Qe2 Bg6 10.e4" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O Nbd7 Qe2 Bg6 e4")
  ("D18n" "Slav: Dutch, 8...O-O" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O")
  ("D18o" "Slav: Dutch, 8...O-O 9.Qb3" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qb3")
  ("D18p" "Slav: Dutch, 8...O-O 9.Nh4" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Nh4")
  ("D18p" "Slav: Dutch, 8...O-O 9.Nh4 Bg6" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Nh4 Bg6")
  ("D18q" "Slav: Dutch, 8...O-O 9.Nh4 Bg4" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Nh4 Bg4")
  ("D18r" "Slav: Dutch, 8...O-O 9.Nh4 Nbd7" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Nh4 Nbd7")
  ("D18s" "Slav: Dutch, 8...O-O 9.Nh4 Nbd7 10.Nxf5" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Nh4 Nbd7 Nxf5")
  ("D18s" "Slav: Dutch, 8...O-O 9.Nh4 Nbd7 10.Nxf5 exf5" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Nh4 Nbd7 Nxf5 exf5")
  ("D18t" "Slav: Dutch, 8...O-O 9.Nh4 Nbd7 10.Nxf5 exf5 11.Qc2" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Nh4 Nbd7 Nxf5 exf5 Qc2")
  ("D19a" "Slav: Dutch, 8...O-O 9.Qe2" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2")
  ("D19b" "Slav: Dutch, 8...O-O 9.Qe2 Bg4" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2 Bg4")
  ("D19c" "Slav: Dutch, 8...O-O 9.Qe2 Bg6" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2 Bg6")
  ("D19d" "Slav: Dutch, 8...O-O 9.Qe2 Bg6 10.Rd1" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2 Bg6 Rd1")
  ("D19d" "Slav: Dutch, 8...O-O 9.Qe2 Bg6 10.Rd1 Nbd7" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2 Bg6 Rd1 Nbd7")
  ("D19e" "Slav: Dutch, 8...O-O 9.Qe2 Bg6 10.Ne5" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2 Bg6 Ne5")
  ("D19e" "Slav: Dutch, 8...O-O 9.Qe2 Bg6 10.Ne5 Nbd7, 12.Rd1" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2 Bg6 Ne5 Nbd7")
  ("D19f" "Slav: Dutch, 8...O-O 9.Qe2 Bg6 10.Ne5 Nbd7, 12.Rd1" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2 Bg6 Ne5 Nbd7 Nxg6 hxg6 Rd1")
  ("D19g" "Slav: Dutch, 8...O-O 9.Qe2 Ne4" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2 Ne4")
  ("D19g" "Slav: Dutch, Sämisch Variation" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2 Ne4 g4")
  ("D19h" "Slav: Dutch, 8...O-O 9.Qe2 Nbd7" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2 Nbd7")
  ("D19i" "Slav: Dutch, 8...O-O 9.Qe2 Nbd7 10.e4" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2 Nbd7 e4")
  ("D19i" "Slav: Dutch, 8...O-O 9.Qe2 Nbd7 10.e4 Bg4" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2 Nbd7 e4 Bg4")
  ("D19j" "Slav: Dutch, 8...O-O 9.Qe2 Nbd7 10.e4 Bg6" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2 Nbd7 e4 Bg6")
  ("D19k" "Slav: Dutch, 8...O-O 9.Qe2 Nbd7 10.e4 Bg6 11.Bd3" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2 Nbd7 e4 Bg6 Bd3")
  ("D19l" "Slav: Dutch, 8...O-O 9.Qe2 Nbd7 10.e4 Bg6 11.Bd3 h6" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2 Nbd7 e4 Bg6 Bd3 h6")
  ("D19m" "Slav: Dutch, 8...O-O 9.Qe2 Nbd7 10.e4 Bg6 11.Bd3 Re8" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2 Nbd7 e4 Bg6 Bd3 Re8")
  ("D19n" "Slav: Dutch, 8...O-O 9.Qe2 Nbd7 10.e4 Bg6 11.Bd3 Bh5" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2 Nbd7 e4 Bg6 Bd3 Bh5")
  ("D19o" "Slav: Dutch, 8...O-O 9.Qe2 Nbd7 10.e4 Bg6 11.Bd3 Bh5 12.e5" "d4 d5 c4 c6 Nf3 Nf6 Nc3 dxc4 a4 Bf5 e3 e6 Bxc4 Bb4 O-O O-O Qe2 Nbd7 e4 Bg6 Bd3 Bh5 e5")
  ("D20a" "Queen's Gambit Accepted (QGA)" "d4 d5 c4 dxc4")
  ("D20a" "QGA: 3.Qa4+" "d4 d5 c4 dxc4 Qa4+")
  ("D20b" "QGA: 3.e3" "d4 d5 c4 dxc4 e3")
  ("D20c" "QGA: 3.e3 c5" "d4 d5 c4 dxc4 e3 c5")
  ("D20c" "QGA: 3.e3 c5 4.Bxc4" "d4 d5 c4 dxc4 e3 c5 Bxc4")
  ("D20c" "QGA: 3.e3 c5 4.Bxc4" "d4 d5 c4 dxc4 e3 c5 Bxc4 cxd4 exd4")
  ("D20d" "QGA: 3.e3 e6" "d4 d5 c4 dxc4 e3 e6")
  ("D20d" "QGA: 3.e3 e6" "d4 d5 c4 dxc4 e3 e6 Bxc4 Nf6")
  ("D20e" "QGA: 3.e3 e5" "d4 d5 c4 dxc4 e3 e5")
  ("D20e" "QGA: 3.e3 e5" "d4 d5 c4 dxc4 e3 e5 Bxc4 exd4 exd4")
  ("D20f" "QGA: 3.e3 e5" "d4 d5 c4 dxc4 e3 e5 Bxc4 exd4 exd4 Bb4+")
  ("D20f" "QGA: 3.e3 e5" "d4 d5 c4 dxc4 e3 e5 Bxc4 exd4 exd4 Bb4+ Nc3 Nf6")
  ("D20g" "QGA: 3.e3 e5" "d4 d5 c4 dxc4 e3 e5 Bxc4 exd4 exd4 Nf6")
  ("D20h" "QGA: 3.e3 Nf6" "d4 d5 c4 dxc4 e3 Nf6")
  ("D20i" "QGA: 3.Nc3" "d4 d5 c4 dxc4 Nc3")
  ("D20i" "QGA: 3.Nc3 c5" "d4 d5 c4 dxc4 Nc3 c5")
  ("D20i" "QGA: 3.Nc3 e5" "d4 d5 c4 dxc4 Nc3 e5")
  ("D20i" "QGA: 3.Nc3 Nf6" "d4 d5 c4 dxc4 Nc3 Nf6")
  ("D20j" "QGA: 3.Nc3 e6" "d4 d5 c4 dxc4 Nc3 e6")
  ("D20j" "QGA: 3.Nc3 e6 4.e4" "d4 d5 c4 dxc4 Nc3 e6 e4")
  ("D20k" "QGA: 3.Nc3 a6" "d4 d5 c4 dxc4 Nc3 a6")
  ("D20k" "QGA: 3.Nc3 a6 4.a4" "d4 d5 c4 dxc4 Nc3 a6 a4")
  ("D20l" "QGA: 3.e4" "d4 d5 c4 dxc4 e4")
  ("D20l" "QGA: 3.e4, Schwartz Defence" "d4 d5 c4 dxc4 e4 f5")
  ("D20m" "QGA: 3.e4 Nc6" "d4 d5 c4 dxc4 e4 Nc6")
  ("D20m" "QGA: 3.e4 Nc6 4.Nf3" "d4 d5 c4 dxc4 e4 Nc6 Nf3")
  ("D20n" "QGA: 3.e4 Nc6 4.Be3" "d4 d5 c4 dxc4 e4 Nc6 Be3")
  ("D20o" "QGA: 3.e4 Nf6" "d4 d5 c4 dxc4 e4 Nf6")
  ("D20o" "QGA: 3.e4 Nf6 4.Nc3" "d4 d5 c4 dxc4 e4 Nf6 Nc3")
  ("D20o" "QGA: 3.e4 Nf6 4.e5" "d4 d5 c4 dxc4 e4 Nf6 e5")
  ("D20o" "QGA: 3.e4 Nf6 4.e5 Nd5" "d4 d5 c4 dxc4 e4 Nf6 e5 Nd5")
  ("D20p" "QGA: 3.e4 Nf6 4.e5 Nd5 5.Bxc4 Nb6" "d4 d5 c4 dxc4 e4 Nf6 e5 Nd5 Bxc4 Nb6")
  ("D20p" "QGA: 3.e4 Nf6 4.e5 Nd5 5.Bxc4 Nb6 6.Bd3" "d4 d5 c4 dxc4 e4 Nf6 e5 Nd5 Bxc4 Nb6 Bd3")
  ("D20p" "QGA: 3.e4 Nf6 4.e5 Nd5 5.Bxc4 Nb6 6.Bd3" "d4 d5 c4 dxc4 e4 Nf6 e5 Nd5 Bxc4 Nb6 Bd3 Nc6")
  ("D20q" "QGA: 3.e4 Nf6 4.e5 Nd5 5.Bxc4 Nb6 6.Bb3" "d4 d5 c4 dxc4 e4 Nf6 e5 Nd5 Bxc4 Nb6 Bb3")
  ("D20q" "QGA: 3.e4 Nf6 4.e5 Nd5 5.Bxc4 Nb6 6.Bb3" "d4 d5 c4 dxc4 e4 Nf6 e5 Nd5 Bxc4 Nb6 Bb3 Nc6")
  ("D20r" "QGA: 3.e4 Nf6 4.e5 Nd5 5.Bxc4 Nb6 6.Bb3 Nc6 7.Ne2" "d4 d5 c4 dxc4 e4 Nf6 e5 Nd5 Bxc4 Nb6 Bb3 Nc6 Ne2")
  ("D20s" "QGA: 3.e4 c5" "d4 d5 c4 dxc4 e4 c5")
  ("D20s" "QGA: 3.e4 c5" "d4 d5 c4 dxc4 e4 c5 Nf3")
  ("D20t" "QGA: 3.e4 c5 4.d5" "d4 d5 c4 dxc4 e4 c5 d5")
  ("D20u" "QGA: Linares Variation" "d4 d5 c4 dxc4 e4 c5 d5 Nf6 Nc3 b5")
  ("D20v" "QGA: 3.e4 e5" "d4 d5 c4 dxc4 e4 e5")
  ("D20w" "QGA: 3.e4 e5 4.Nf3 Bb4+" "d4 d5 c4 dxc4 e4 e5 Nf3 Bb4+")
  ("D20x" "QGA: 3.e4 e5 4.Nf3 exd4" "d4 d5 c4 dxc4 e4 e5 Nf3 exd4")
  ("D20y" "QGA: 3.e4 e5 4.Nf3 exd4 5.Bxc4 Nc6" "d4 d5 c4 dxc4 e4 e5 Nf3 exd4 Bxc4 Nc6")
  ("D21a" "QGA: 3.Nf3" "d4 d5 c4 dxc4 Nf3")
  ("D21a" "QGA: Ericson Variation" "d4 d5 c4 dxc4 Nf3 b5")
  ("D21b" "QGA: 3.Nf3 Nd7" "d4 d5 c4 dxc4 Nf3 Nd7")
  ("D21c" "QGA: 3.Nf3 Bg4" "d4 d5 c4 dxc4 Nf3 Bg4")
  ("D21d" "QGA: 3.Nf3 e6" "d4 d5 c4 dxc4 Nf3 e6")
  ("D21e" "QGA: 3.Nf3 e6 4.Qa4+" "d4 d5 c4 dxc4 Nf3 e6 Qa4+")
  ("D21f" "QGA: 3.Nf3 e6 4.e4" "d4 d5 c4 dxc4 Nf3 e6 e4")
  ("D21g" "QGA: 3.Nf3 e6 4.e3" "d4 d5 c4 dxc4 Nf3 e6 e3")
  ("D21g" "QGA: 3.Nf3 e6 4.e3 c5" "d4 d5 c4 dxc4 Nf3 e6 e3 c5")
  ("D21h" "QGA: 3.Nf3 c5" "d4 d5 c4 dxc4 Nf3 c5")
  ("D21i" "QGA: 3.Nf3 c5 4.Nc3" "d4 d5 c4 dxc4 Nf3 c5 Nc3")
  ("D21j" "QGA: 3.Nf3 c5 4.e3" "d4 d5 c4 dxc4 Nf3 c5 e3")
  ("D21j" "QGA: 3.Nf3 c5 4.e3 cxd4" "d4 d5 c4 dxc4 Nf3 c5 e3 cxd4")
  ("D21k" "QGA: 3.Nf3 c5 4.e3 cxd4 5.Bxc4" "d4 d5 c4 dxc4 Nf3 c5 e3 cxd4 Bxc4")
  ("D21l" "QGA: 3.Nf3 c5 4.d5" "d4 d5 c4 dxc4 Nf3 c5 d5")
  ("D21m" "QGA: 3.Nf3 c5 4.d5 e6" "d4 d5 c4 dxc4 Nf3 c5 d5 e6")
  ("D21m" "QGA: 3.Nf3 c5 4.d5 e6 5.e4" "d4 d5 c4 dxc4 Nf3 c5 d5 e6 e4")
  ("D21n" "QGA: 3.Nf3 c5 4.d5 e6 5.Nc3" "d4 d5 c4 dxc4 Nf3 c5 d5 e6 Nc3")
  ("D21o" "QGA: 3.Nf3 c5 4.d5 e6 5.Nc3 exd5" "d4 d5 c4 dxc4 Nf3 c5 d5 e6 Nc3 exd5")
  ("D21p" "QGA: 3.Nf3 c5 4.d5 e6 5.Nc3 exd5 6.Qxd5 Qxd5 7.Nxd5" "d4 d5 c4 dxc4 Nf3 c5 d5 e6 Nc3 exd5 Qxd5 Qxd5 Nxd5")
  ("D21q" "QGA: 3.Nf3 c5 4.d5 e6 5.Nc3 exd5 6.Qxd5 Qxd5 7.Nxd5 Bd6" "d4 d5 c4 dxc4 Nf3 c5 d5 e6 Nc3 exd5 Qxd5 Qxd5 Nxd5 Bd6")
  ("D21r" "QGA: 3.Nf3 c5 4.d5 e6 5.Nc3 exd5 6.Qxd5 Qxd5 7.Nxd5 Bd6 8.Nd2" "d4 d5 c4 dxc4 Nf3 c5 d5 e6 Nc3 exd5 Qxd5 Qxd5 Nxd5 Bd6 Nd2")
  ("D21s" "QGA: Seirawan Variation" "d4 d5 c4 dxc4 Nf3 c5 d5 e6 Nc3 exd5 Qxd5 Qxd5 Nxd5 Bd6 Nd2 Ne7")
  ("D21t" "QGA: Alekhine Defence" "d4 d5 c4 dxc4 Nf3 a6")
  ("D21u" "QGA: Alekhine, Borisenko-Furman Variation" "d4 d5 c4 dxc4 Nf3 a6 e4")
  ("D21v" "QGA: Alekhine, 4.a4" "d4 d5 c4 dxc4 Nf3 a6 a4")
  ("D22a" "QGA: Alekhine, 4.e3" "d4 d5 c4 dxc4 Nf3 a6 e3")
  ("D22b" "QGA: Alekhine, Haberditz Variation" "d4 d5 c4 dxc4 Nf3 a6 e3 b5")
  ("D22c" "QGA: Alekhine, 4.e3 e6" "d4 d5 c4 dxc4 Nf3 a6 e3 e6")
  ("D22d" "QGA: Alekhine, 4.e3 e6 5.Bxc4" "d4 d5 c4 dxc4 Nf3 a6 e3 e6 Bxc4")
  ("D22e" "QGA: Alekhine, 4.e3 e6 5.Bxc4 c5" "d4 d5 c4 dxc4 Nf3 a6 e3 e6 Bxc4 c5")
  ("D22f" "QGA: Alekhine, 4.e3 e6 5.Bxc4 c5 6.Qe2" "d4 d5 c4 dxc4 Nf3 a6 e3 e6 Bxc4 c5 Qe2")
  ("D22g" "QGA: Alekhine, 4.e3 Bg4" "d4 d5 c4 dxc4 Nf3 a6 e3 Bg4")
  ("D22h" "QGA: Alekhine, 4.e3 Bg4 5.Bxc4 e6" "d4 d5 c4 dxc4 Nf3 a6 e3 Bg4 Bxc4 e6")
  ("D22i" "QGA: Alekhine, Alatortsev Variation" "d4 d5 c4 dxc4 Nf3 a6 e3 Bg4 Bxc4 e6 d5")
  ("D22j" "QGA: Alekhine, 4.e3 Bg4 5.Bxc4 e6 6.Qb3" "d4 d5 c4 dxc4 Nf3 a6 e3 Bg4 Bxc4 e6 Qb3")
  ("D22k" "QGA: Alekhine, 4.e3 Bg4 5.Bxc4 e6 6.Nc3" "d4 d5 c4 dxc4 Nf3 a6 e3 Bg4 Bxc4 e6 Nc3")
  ("D22l" "QGA: Alekhine, 4.e3 Bg4 5.Bxc4 e6 6.h3" "d4 d5 c4 dxc4 Nf3 a6 e3 Bg4 Bxc4 e6 h3")
  ("D23a" "QGA: 3.Nf3 Nf6" "d4 d5 c4 dxc4 Nf3 Nf6")
  ("D23b" "QGA: 3.Nf3 Nf6 4.g3" "d4 d5 c4 dxc4 Nf3 Nf6 g3")
  ("D23c" "QGA: Mannheim Variation" "d4 d5 c4 dxc4 Nf3 Nf6 Qa4+")
  ("D23d" "QGA: Mannheim, 4...Nc6" "d4 d5 c4 dxc4 Nf3 Nf6 Qa4+ Nc6")
  ("D23e" "QGA: Mannheim, 4...Nc6" "d4 d5 c4 dxc4 Nf3 Nf6 Qa4+ Nc6 Nc3")
  ("D23f" "QGA: Mannheim, 4...Nbd7" "d4 d5 c4 dxc4 Nf3 Nf6 Qa4+ Nbd7")
  ("D23g" "QGA: Mannheim, 4...Nbd7 5.Nc3 e6" "d4 d5 c4 dxc4 Nf3 Nf6 Qa4+ Nbd7 Nc3 e6")
  ("D23h" "QGA: Mannheim, 4...Nbd7 5.Nc3 e6 6.e4" "d4 d5 c4 dxc4 Nf3 Nf6 Qa4+ Nbd7 Nc3 e6 e4")
  ("D23i" "QGA: Mannheim, 4...c6" "d4 d5 c4 dxc4 Nf3 Nf6 Qa4+ c6")
  ("D23i" "QGA: Mannheim, 4...c6 5.Qxc4" "d4 d5 c4 dxc4 Nf3 Nf6 Qa4+ c6 Qxc4")
  ("D23j" "QGA: Mannheim, 4...c6, 5.Qxc4 Bf5" "d4 d5 c4 dxc4 Nf3 Nf6 Qa4+ c6 Qxc4 Bf5")
  ("D23k" "QGA: Mannheim, 4...c6, 5.Qxc4 Bf5 6.Nc3" "d4 d5 c4 dxc4 Nf3 Nf6 Qa4+ c6 Qxc4 Bf5 Nc3")
  ("D23l" "QGA: Mannheim, 4...c6, 5.Qxc4 Bf5 6.g3" "d4 d5 c4 dxc4 Nf3 Nf6 Qa4+ c6 Qxc4 Bf5 g3")
  ("D23m" "QGA: Mannheim, 4...c6, 5.Qxc4 Bf5 6.g3 e6" "d4 d5 c4 dxc4 Nf3 Nf6 Qa4+ c6 Qxc4 Bf5 g3 e6")
  ("D23m" "QGA: Mannheim, 4...c6, 5.Qxc4 Bf5 6.g3 e6 7.Bg2" "d4 d5 c4 dxc4 Nf3 Nf6 Qa4+ c6 Qxc4 Bf5 g3 e6 Bg2")
  ("D23n" "QGA: Mannheim, 4...c6, 5.Qxc4 Bf5 6.g3 e6 7.Bg2 Nbd7" "d4 d5 c4 dxc4 Nf3 Nf6 Qa4+ c6 Qxc4 Bf5 g3 e6 Bg2 Nbd7")
  ("D23o" "QGA: Mannheim, Main Line" "d4 d5 c4 dxc4 Nf3 Nf6 Qa4+ c6 Qxc4 Bf5 g3 e6 Bg2 Nbd7 O-O Be7 Nc3")
  ("D23p" "QGA: Mannheim, Main Line, 9...O-O" "d4 d5 c4 dxc4 Nf3 Nf6 Qa4+ c6 Qxc4 Bf5 g3 e6 Bg2 Nbd7 O-O Be7 Nc3 O-O")
  ("D23q" "QGA: Mannheim, Main Line, 10.Bg5" "d4 d5 c4 dxc4 Nf3 Nf6 Qa4+ c6 Qxc4 Bf5 g3 e6 Bg2 Nbd7 O-O Be7 Nc3 O-O Bg5")
  ("D23r" "QGA: Mannheim, Main Line, 10.e3" "d4 d5 c4 dxc4 Nf3 Nf6 Qa4+ c6 Qxc4 Bf5 g3 e6 Bg2 Nbd7 O-O Be7 Nc3 O-O e3")
  ("D23s" "QGA: Mannheim, Main Line, 10.e3 Ne4" "d4 d5 c4 dxc4 Nf3 Nf6 Qa4+ c6 Qxc4 Bf5 g3 e6 Bg2 Nbd7 O-O Be7 Nc3 O-O e3 Ne4")
  ("D23t" "QGA: Mannheim, Main Line, 10.e3 Ne4 11.Qe2" "d4 d5 c4 dxc4 Nf3 Nf6 Qa4+ c6 Qxc4 Bf5 g3 e6 Bg2 Nbd7 O-O Be7 Nc3 O-O e3 Ne4 Qe2")
  ("D24a" "QGA: 4.Nc3" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3")
  ("D24a" "QGA: 4.Nc3 Nd5" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 Nd5")
  ("D24b" "QGA: 4.Nc3 e6" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 e6")
  ("D24b" "QGA: 4.Nc3 e6 5.Bg5" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 e6 Bg5")
  ("D24b" "QGA: 4.Nc3 e6 5.e4" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 e6 e4")
  ("D24c" "QGA: 4.Nc3 e6 5.e3" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 e6 e3")
  ("D24d" "QGA: 4.Nc3 c5" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 c5")
  ("D24e" "QGA: 4.Nc3 c5 5.d5" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 c5 d5")
  ("D24f" "QGA: 4.Nc3 c5 5.d5 e6 6.e4" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 c5 d5 e6 e4")
  ("D24g" "QGA: 4.Nc3 c5 5.d5 e6 6.e4" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 c5 d5 e6 e4 exd5 e5 Nfd7")
  ("D24g" "QGA: 4.Nc3 c5 5.d5 e6 6.e4" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 c5 d5 e6 e4 exd5 e5 Nfd7 Bg5")
  ("D24g" "QGA: 4.Nc3 c5 5.d5 e6 6.e4" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 c5 d5 e6 e4 exd5 e5 Nfd7 Bg5 Be7")
  ("D24h" "QGA: 4.Nc3 a6" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 a6")
  ("D24i" "QGA: 4.Nc3 a6 5.a4" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 a6 a4")
  ("D24j" "QGA: 4.Nc3 a6 5.a4 Nc6" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 a6 a4 Nc6")
  ("D24j" "QGA: 4.Nc3 a6 5.a4 Nc6 5.e4" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 a6 a4 Nc6 e4")
  ("D24k" "QGA: Bogoljubow" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 a6 e4")
  ("D24l" "QGA: Bogoljubow, 7.a4" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 a6 e4 b5 e5 Nd5 a4")
  ("D24m" "QGA: Bogoljubow, 7.a4 e6" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 a6 e4 b5 e5 Nd5 a4 e6")
  ("D24n" "QGA: Bogoljubow, 7.a4 c6" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 a6 e4 b5 e5 Nd5 a4 c6")
  ("D24o" "QGA: Bogoljubow, 7.a4 Bb7" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 a6 e4 b5 e5 Nd5 a4 Bb7")
  ("D24p" "QGA: Bogoljubow, 7.a4 Nb4" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 a6 e4 b5 e5 Nd5 a4 Nb4")
  ("D24q" "QGA: Bogoljubow, 7.a4 Nxc3" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 a6 e4 b5 e5 Nd5 a4 Nxc3")
  ("D24r" "QGA: Bogoljubow, 7.a4 Nxc3" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 a6 e4 b5 e5 Nd5 a4 Nxc3 bxc3 Bb7")
  ("D24s" "QGA: Bogoljubow, 7.a4 Nxc3" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 a6 e4 b5 e5 Nd5 a4 Nxc3 bxc3 Qd5")
  ("D24t" "QGA: Bogoljubow, 7.a4 Nxc3" "d4 d5 c4 dxc4 Nf3 Nf6 Nc3 a6 e4 b5 e5 Nd5 a4 Nxc3 bxc3 Qd5 g3 Bb7")
  ("D25a" "QGA: 4.e3" "d4 d5 c4 dxc4 Nf3 Nf6 e3")
  ("D25b" "QGA: 4.e3 c5" "d4 d5 c4 dxc4 Nf3 Nf6 e3 c5")
  ("D25c" "QGA: 4.e3 a6" "d4 d5 c4 dxc4 Nf3 Nf6 e3 a6")
  ("D25d" "QGA: Smyslov Variation" "d4 d5 c4 dxc4 Nf3 Nf6 e3 g6")
  ("D25d" "QGA: Smyslov, 5.Bxc4 Bg7" "d4 d5 c4 dxc4 Nf3 Nf6 e3 g6 Bxc4 Bg7")
  ("D25d" "QGA: Smyslov, 5.Bxc4 Bg7 6.Nc3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 g6 Bxc4 Bg7 Nc3")
  ("D25e" "QGA: Smyslov, 5.Bxc4 Bg7 6.O-O" "d4 d5 c4 dxc4 Nf3 Nf6 e3 g6 Bxc4 Bg7 O-O")
  ("D25e" "QGA: Smyslov, 5.Bxc4 Bg7 6.O-O O-O" "d4 d5 c4 dxc4 Nf3 Nf6 e3 g6 Bxc4 Bg7 O-O O-O")
  ("D25e" "QGA: Smyslov, 5.Bxc4 Bg7 6.O-O O-O 7.Nc3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 g6 Bxc4 Bg7 O-O O-O Nc3")
  ("D25f" "QGA: Flohr Variation" "d4 d5 c4 dxc4 Nf3 Nf6 e3 Be6")
  ("D25f" "QGA: Flohr, 5.Nc3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 Be6 Nc3")
  ("D25f" "QGA: Flohr, 5.Nc3 c6" "d4 d5 c4 dxc4 Nf3 Nf6 e3 Be6 Nc3 c6")
  ("D25g" "QGA: Janowski-Larsen Variation" "d4 d5 c4 dxc4 Nf3 Nf6 e3 Bg4")
  ("D25g" "QGA: Janowski-Larsen, 5.h3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 Bg4 h3")
  ("D25h" "QGA: Janowski-Larsen, 5.Bxc4 e6" "d4 d5 c4 dxc4 Nf3 Nf6 e3 Bg4 Bxc4 e6")
  ("D25i" "QGA: Janowski-Larsen, 6.Qb3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 Bg4 Bxc4 e6 Qb3")
  ("D25j" "QGA: Janowski-Larsen, 6.O-O" "d4 d5 c4 dxc4 Nf3 Nf6 e3 Bg4 Bxc4 e6 O-O")
  ("D25k" "QGA: Janowski-Larsen, 6.Nc3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 Bg4 Bxc4 e6 Nc3")
  ("D25l" "QGA: Janowski-Larsen, 6.h3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 Bg4 Bxc4 e6 h3")
  ("D25m" "QGA: Janowski-Larsen, 6.h3 Bh5 7.Nc3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 Bg4 Bxc4 e6 h3 Bh5 Nc3")
  ("D25n" "QGA: Janowski-Larsen, 6.h3 Bh5 7.Nc3 a6" "d4 d5 c4 dxc4 Nf3 Nf6 e3 Bg4 Bxc4 e6 h3 Bh5 Nc3 a6")
  ("D25o" "QGA: Janowski-Larsen, 6.h3 Bh5 7.Nc3 a6 8.g4" "d4 d5 c4 dxc4 Nf3 Nf6 e3 Bg4 Bxc4 e6 h3 Bh5 Nc3 a6 g4")
  ("D25p" "QGA: Janowski-Larsen, 6.h3 Bh5 7.Nc3 Nbd7" "d4 d5 c4 dxc4 Nf3 Nf6 e3 Bg4 Bxc4 e6 h3 Bh5 Nc3 Nbd7")
  ("D25q" "QGA: Janowski-Larsen, 6.h3 Bh5 7.Nc3 Nbd7 8.O-O" "d4 d5 c4 dxc4 Nf3 Nf6 e3 Bg4 Bxc4 e6 h3 Bh5 Nc3 Nbd7 O-O")
  ("D25r" "QGA: Janowski-Larsen, 6.h3 Bh5 7.Nc3 Nbd7 8.O-O Bd6" "d4 d5 c4 dxc4 Nf3 Nf6 e3 Bg4 Bxc4 e6 h3 Bh5 Nc3 Nbd7 O-O Bd6")
  ("D25r" "QGA: Janowski-Larsen, 6.h3 Bh5 7.Nc3 Nbd7 8.O-O Bd6 9.Be2" "d4 d5 c4 dxc4 Nf3 Nf6 e3 Bg4 Bxc4 e6 h3 Bh5 Nc3 Nbd7 O-O Bd6 Be2")
  ("D25s" "QGA: Janowski-Larsen, 6.h3 Bh5 7.Nc3 Nbd7 8.O-O Bd6 9.e4" "d4 d5 c4 dxc4 Nf3 Nf6 e3 Bg4 Bxc4 e6 h3 Bh5 Nc3 Nbd7 O-O Bd6 e4")
  ("D26a" "QGA: 4.e3 e6" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6")
  ("D26b" "QGA: 4.e3 e6 5.Bxc4" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4")
  ("D26c" "QGA: 4.e3 e6 5.Bxc4 a6" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 a6")
  ("D26d" "QGA: 4.e3 e6 5.Bxc4 a6 6.O-O" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 a6 O-O")
  ("D26e" "QGA: 4.e3 e6 5.Bxc4 a6 6.O-O b5" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 a6 O-O b5")
  ("D26f" "QGA: Classical Variation" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5")
  ("D26g" "QGA: Classical, Early Queenswap" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 dxc5")
  ("D26h" "QGA: Classical, 6.Nc3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 Nc3")
  ("D26i" "QGA: Classical, 6.Nc3 a6" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 Nc3 a6")
  ("D26j" "QGA: Classical, Furman Variation" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 Qe2")
  ("D26k" "QGA: Classical, Furman, 6...cxd4" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 Qe2 cxd4")
  ("D26l" "QGA: Classical, Furman, 6...a6" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 Qe2 a6")
  ("D26m" "QGA: Classical, Furman, 6...a6 7.dxc5 Bxc5 8.O-O" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 Qe2 a6 dxc5 Bxc5 O-O")
  ("D26n" "QGA: Classical, Furman, 6...a6 7.dxc5 Bxc5 8.O-O Nc6" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 Qe2 a6 dxc5 Bxc5 O-O Nc6")
  ("D26o" "QGA: Classical, Furman, 6...a6 7.dxc5 Bxc5 8.O-O b5" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 Qe2 a6 dxc5 Bxc5 O-O b5")
  ("D26p" "QGA: Classical, 6.O-O" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O")
  ("D26q" "QGA: Classical, Steinitz Variation" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O cxd4")
  ("D26r" "QGA: Classical, 6.O-O Nc6" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O Nc6")
  ("D26s" "QGA: Classical, 6.O-O Nc6 7.Nc3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O Nc6 Nc3")
  ("D26t" "QGA: Classical, 6.O-O Nc6 7.Qe2" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O Nc6 Qe2")
  ("D27a" "QGA: Classical, 6...a6" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6")
  ("D27a" "QGA: Classical, 6...a6 7.a3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 a3")
  ("D27b" "QGA: Classical, 6...a6 7.b3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 b3")
  ("D27c" "QGA: Classical, 6...a6 7.Nc3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Nc3")
  ("D27d" "QGA: Classical, 6...a6 7.Bd3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Bd3")
  ("D27e" "QGA: Classical, 6...a6 7.Bd3 Nbd7" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Bd3 Nbd7")
  ("D27f" "QGA: Classical, 6...a6 7.Bb3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Bb3")
  ("D27g" "QGA: Classical, 6...a6 7.Bb3 b5" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Bb3 b5")
  ("D27h" "QGA: Classical, 6...a6 7.Bb3 cxd4" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Bb3 cxd4")
  ("D27i" "QGA: Classical, 6...a6 7.Bb3 Nc6" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Bb3 Nc6")
  ("D27j" "QGA: Classical, 6...a6 7.Bb3 Nc6 8.Nc3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Bb3 Nc6 Nc3")
  ("D27k" "QGA: Classical, Geller Variation" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 e4")
  ("D27l" "QGA: Classical, Spassky Variation" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 dxc5")
  ("D27m" "QGA: Classical, Spassky, 7...Qxd1" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 dxc5 Qxd1")
  ("D27n" "QGA: Classical, Spassky, 9.Nbd2" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 dxc5 Qxd1 Rxd1 Bxc5 Nbd2")
  ("D27o" "QGA: Classical, Spassky, 9.b3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 dxc5 Qxd1 Rxd1 Bxc5 b3")
  ("D27p" "QGA: Classical, Rubinstein Variation" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 a4")
  ("D27p" "QGA: Classical, Rubinstein, 7...Nc6" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 a4 Nc6")
  ("D27q" "QGA: Classical, Rubinstein, 8.Nc3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 a4 Nc6 Nc3")
  ("D27r" "QGA: Classical, Rubinstein, 8.Nc3 Be7" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 a4 Nc6 Nc3 Be7")
  ("D27s" "QGA: Classical, Rubinstein, 8.Nc3 Be7 9.Qe2" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 a4 Nc6 Nc3 Be7 Qe2")
  ("D27t" "QGA: Classical, Rubinstein, 8.Qe2" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 a4 Nc6 Qe2")
  ("D27u" "QGA: Classical, Rubinstein, 8.Qe2 Qc7" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 a4 Nc6 Qe2 Qc7")
  ("D27v" "QGA: Classical, Rubinstein, 8.Qe2 cxd4" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 a4 Nc6 Qe2 cxd4")
  ("D27v" "QGA: Classical, Rubinstein, 8.Qe2 cxd4, 11.Nc3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 a4 Nc6 Qe2 cxd4 Rd1 Be7 exd4 O-O Nc3")
  ("D27w" "QGA: Classical, Rubinstein, 8.Qe2 cxd4, 11.Nc3 Nd5" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 a4 Nc6 Qe2 cxd4 Rd1 Be7 exd4 O-O Nc3 Nd5")
  ("D28a" "QGA: Classical, 7.Qe2" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2")
  ("D28b" "QGA: Classical, 7.Qe2 cxd4" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 cxd4")
  ("D28c" "QGA: Classical, 7.Qe2 Nc6" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 Nc6")
  ("D28d" "QGA: Classical, 7.Qe2 b5" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5")
  ("D28e" "QGA: Classical, 7.Qe2 b5 8.Bd3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bd3")
  ("D28f" "QGA: Classical, 7.Qe2 b5 8.Bd3 cxd4" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bd3 cxd4")
  ("D28g" "QGA: Classical, 7.Qe2 b5 8.Bd3 cxd4 9.exd4" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bd3 cxd4 exd4")
  ("D28h" "QGA: Classical, 7.Qe2 b5 8.Bb3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3")
  ("D28i" "QGA: Classical, 7.Qe2 b5 8.Bb3 Nc6" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Nc6")
  ("D28j" "QGA: Classical, 7.Qe2 b5 8.Bb3 Nc6 9.Rd1" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Nc6 Rd1")
  ("D28k" "QGA: Classical, 7.Qe2 b5 8.Bb3 Nc6 9.Rd1 c4" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Nc6 Rd1 c4")
  ("D28l" "QGA: Classical, 7.Qe2 b5 8.Bb3 Nc6 9.Nc3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Nc6 Nc3")
  ("D28m" "QGA: Classical, 7.Qe2 b5 8.Bb3 Nc6 9.Nc3 Bb7" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Nc6 Nc3 Bb7")
  ("D28n" "QGA: Classical, 7.Qe2 b5 8.Bb3 Nc6 9.Nc3 Be7" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Nc6 Nc3 Be7")
  ("D29a" "QGA: Classical, 8...Bb7" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7")
  ("D29b" "QGA: Classical, 8...Bb7 9.Nc3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 Nc3")
  ("D29c" "QGA: Classical, 8...Bb7 9.a4" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 a4")
  ("D29d" "QGA: Classical, 8...Bb7 9.a4 b4" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 a4 b4")
  ("D29e" "QGA: Classical, 8...Bb7 9.a4 Nbd7" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 a4 Nbd7")
  ("D29f" "QGA: Classical, 8...Bb7 9.Rd1" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 Rd1")
  ("D29g" "QGA: Classical, 8...Bb7 9.Rd1 Nbd7" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 Rd1 Nbd7")
  ("D29g" "QGA: Classical, 8...Bb7 9.Rd1 Nbd7 10.e4" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 Rd1 Nbd7 e4")
  ("D29h" "QGA: Classical, 8...Bb7 9.Rd1 Nbd7 10.a4" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 Rd1 Nbd7 a4")
  ("D29i" "QGA: Classical, 8...Bb7 9.Rd1 Nbd7 10.a4 b4" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 Rd1 Nbd7 a4 b4")
  ("D29j" "QGA: Classical, 8...Bb7 9.Rd1 Nbd7 10.Nc3" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 Rd1 Nbd7 Nc3")
  ("D29k" "QGA: Classical, Smyslov Variation" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 Rd1 Nbd7 Nc3 Bd6")
  ("D29l" "QGA: Classical, 8...Bb7 9.Rd1 Nbd7 10.Nc3 Qc7" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 Rd1 Nbd7 Nc3 Qc7")
  ("D29m" "QGA: Classical, 8...Bb7 9.Rd1 Nbd7 10.Nc3 Qb8" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 Rd1 Nbd7 Nc3 Qb8")
  ("D29n" "QGA: Classical, 8...Bb7 9.Rd1 Nbd7 10.Nc3 Qb6" "d4 d5 c4 dxc4 Nf3 Nf6 e3 e6 Bxc4 c5 O-O a6 Qe2 b5 Bb3 Bb7 Rd1 Nbd7 Nc3 Qb6")
  ("D30a" "Queen's Gambit Declined (QGD)" "d4 d5 c4 e6")
  ("D30a" "QGD: 3.e3" "d4 d5 c4 e6 e3")
  ("D30b" "Diemer-Duhm Gambit (DDG)" "d4 d5 c4 e6 e4")
  ("D30b" "Diemer-Duhm Gambit (DDG) Accepted" "d4 d5 c4 e6 e4 dxe4")
  ("D30b" "Diemer-Duhm Gambit (DDG): 4...f5" "e4 e6 d4 d5 c4 dxe4 Nc3 f5")
  ("D30b" "Diemer-Duhm Gambit (DDG): Alapin Variation" "e4 e6 d4 d5 c4 dxe4 Nc3 Nf6 Be3")
  ("D30b" "Diemer-Duhm Gambit (DDG): Duhm Variation" "e4 e6 d4 d5 c4 dxe4 Nc3 Nf6 a3")
  ("D30b" "Diemer-Duhm Gambit (DDG): 5.f3" "e4 e6 d4 d5 c4 dxe4 Nc3 Nf6 f3")
  ("D30b" "Diemer-Duhm Gambit (DDG): Exchange Variation" "e4 e6 d4 d5 c4 dxe4 Nc3 Nf6 f3 exf3")
  ("D30b" "Diemer-Duhm Gambit (DDG): Keres Defence" "e4 e6 d4 d5 c4 dxe4 Nc3 Nf6 f3 c5")
  ("D30b" "Diemer-Duhm Gambit (DDG): Main Line" "e4 e6 d4 d5 c4 dxe4 Nc3 Nf6 f3 Bb4")
  ("D30c" "QGD: 3.g3" "d4 d5 c4 e6 g3")
  ("D30d" "QGD: 3.cxd5" "d4 d5 c4 e6 cxd5")
  ("D30d" "QGD: 3.cxd5" "d4 d5 c4 e6 cxd5 exd5")
  ("D30d" "QGD: 3.cxd5" "d4 d5 c4 e6 cxd5 exd5 Nc3")
  ("D30e" "QGD: 3.Bf4" "d4 d5 c4 e6 Bf4")
  ("D30f" "QGD: 3.Nf3" "d4 d5 c4 e6 Nf3")
  ("D30g" "QGD: 3.Nf3 Nbd7 (Westphalia)" "d4 d5 c4 e6 Nf3 Nbd7")
  ("D30h" "QGD: Tarrasch without Nc3" "d4 d5 c4 e6 Nf3 c5")
  ("D30h" "QGD: Tarrasch without Nc3: 4.e3" "d4 d5 c4 e6 Nf3 c5 e3")
  ("D30h" "QGD: Tarrasch without Nc3: 4.e3 Nf6" "d4 d5 c4 e6 Nf3 c5 e3 Nf6")
  ("D30h" "QGD: Tarrasch without Nc3" "d4 d5 c4 e6 Nf3 c5 cxd5")
  ("D30h" "QGD: Tarrasch without Nc3" "d4 d5 c4 e6 Nf3 c5 cxd5 exd5")
  ("D30i" "QGD: Tarrasch without Nc3: 5.g3" "d4 d5 c4 e6 Nf3 c5 cxd5 exd5 g3")
  ("D30i" "QGD: Tarrasch without Nc3: 5.g3" "d4 d5 c4 e6 Nf3 c5 cxd5 exd5 g3 Nf6")
  ("D30i" "QGD: Tarrasch without Nc3: 5.g3" "d4 d5 c4 e6 Nf3 c5 cxd5 exd5 g3 Nf6 Bg2")
  ("D30i" "QGD: Tarrasch without Nc3: 5.g3 Nc6" "d4 d5 c4 e6 Nf3 c5 cxd5 exd5 g3 Nc6")
  ("D30i" "QGD: Tarrasch without Nc3: 5.g3 Nc6 6.Bg2" "d4 d5 c4 e6 Nf3 c5 cxd5 exd5 g3 Nc6 Bg2")
  ("D30i" "QGD: Tarrasch without Nc3: 5.g3 Nc6 6.Bg2 Nf6" "d4 d5 c4 e6 Nf3 c5 cxd5 exd5 g3 Nc6 Bg2 Nf6")
  ("D30i" "QGD: Tarrasch without Nc3: 5.g3 Nc6 6.Bg2 Nf6 7.O-O" "d4 d5 c4 e6 Nf3 c5 cxd5 exd5 g3 Nc6 Bg2 Nf6 O-O")
  ("D30i" "QGD: Tarrasch without Nc3: Main Line" "d4 d5 c4 e6 Nf3 c5 cxd5 exd5 g3 Nc6 Bg2 Nf6 O-O Be7")
  ("D30j" "QGD: 3.Nf3 c6" "d4 d5 c4 e6 Nf3 c6")
  ("D30k" "QGD: 3.Nf3 c6 4.e3" "d4 d5 c4 e6 Nf3 c6 e3")
  ("D30l" "QGD: 3.Nf3 c6 4.Nbd2" "d4 d5 c4 e6 Nf3 c6 Nbd2")
  ("D30m" "QGD: 3.Nf3 c6 4.Qc2" "d4 d5 c4 e6 Nf3 c6 Qc2")
  ("D30n" "QGD: 3.Nf3 c6 4.Qc2 Nf6" "d4 d5 c4 e6 Nf3 c6 Qc2 Nf6")
  ("D30o" "QGD: 3.Nf3 c6 4.Qc2 Nf6 5.Bg5" "d4 d5 c4 e6 Nf3 c6 Qc2 Nf6 Bg5")
  ("D30p" "QGD: 3.Nf3 c6 4.Qc2 Nf6 5.g3" "d4 d5 c4 e6 Nf3 c6 Qc2 Nf6 g3")
  ("D30q" "QGD: 3.Nf3 Nf6" "d4 d5 c4 e6 Nf3 Nf6")
  ("D30r" "QGD: 3.Nf3 Nf6 4.e3" "d4 d5 c4 e6 Nf3 Nf6 e3")
  ("D30s" "QGD: 3.Nf3 Nf6 4.e3 c6" "d4 d5 c4 e6 Nf3 Nf6 e3 c6")
  ("D30t" "QGD: 3.Nf3 Nf6 4.e3 c6 5.Nbd2" "d4 d5 c4 e6 Nf3 Nf6 e3 c6 Nbd2")
  ("D30t" "QGD: Spielmann Variation" "d4 d5 c4 e6 Nf3 Nf6 e3 c6 Nbd2 g6")
  ("D30t" "QGD: Stonewall Formation" "d4 d5 c4 e6 Nf3 Nf6 e3 c6 Nbd2 Ne4 Bd3 f5")
  ("D30t" "QGD: 3.Nf3 Nf6 4.e3 c6 5.Nbd2 Nbd7" "d4 d5 c4 e6 Nf3 Nf6 e3 c6 Nbd2 Nbd7")
  ("D30u" "QGD: 3.Nf3 Nf6 4.e3 c6 5.Nbd2 Nbd7 6.Bd3" "d4 d5 c4 e6 Nf3 Nf6 e3 c6 Nbd2 Nbd7 Bd3")
  ("D30u" "QGD: Semmering Variation" "d4 d5 c4 e6 Nf3 Nf6 e3 c6 Nbd2 Nbd7 Bd3 c5")
  ("D30v" "QGD: 3.Nf3 Nf6 4.Bg5" "d4 d5 c4 e6 Nf3 Nf6 Bg5")
  ("D30v" "QGD: 3.Nf3 Nf6 4.Bg5 dxc4" "d4 d5 c4 e6 Nf3 Nf6 Bg5 dxc4")
  ("D30v" "QGD: Vienna Variation" "d4 d5 c4 e6 Nf3 Nf6 Bg5 Bb4+")
  ("D30v" "QGD: 3.Nf3 Nf6 4.Bg5 Nbd7" "d4 d5 c4 e6 Nf3 Nf6 Bg5 Nbd7")
  ("D30v" "QGD: 3.Nf3 Nf6 4.Bg5, Capablanca Variation" "d4 d5 c4 e6 Nf3 Nf6 Bg5 Nbd7 e3 c6 Nbd2")
  ("D30w" "QGD: Capablanca-Duras Variation" "d4 d5 c4 e6 Nf3 Nf6 Bg5 h6")
  ("D30x" "QGD: 3.Nf3 Nf6 4.Bg5 Be7" "d4 d5 c4 e6 Nf3 Nf6 Bg5 Be7")
  ("D30x" "QGD: 3.Nf3 Nf6 4.Bg5 Be7 5.e3" "d4 d5 c4 e6 Nf3 Nf6 Bg5 Be7 e3")
  ("D31a" "QGD: 3.Nc3" "d4 d5 c4 e6 Nc3")
  ("D31a" "QGD: 3.Nc3 Nc6" "d4 d5 c4 e6 Nc3 Nc6")
  ("D31a" "QGD: Alapin Variation" "d4 d5 c4 e6 Nc3 b6")
  ("D31b" "QGD: Janowski Variation" "d4 d5 c4 e6 Nc3 a6")
  ("D31c" "QGD: 3.Nc3 Bb4" "d4 d5 c4 e6 Nc3 Bb4")
  ("D31c" "QGD: 3.Nc3 Bb4 4.a3" "d4 d5 c4 e6 Nc3 Bb4 a3")
  ("D31d" "QGD: Alatortsev Variation" "d4 d5 c4 e6 Nc3 Be7")
  ("D31d" "QGD: Alatortsev, 4.Nf3" "d4 d5 c4 e6 Nc3 Be7 Nf3")
  ("D31d" "QGD: Alatortsev, 4.Bf4" "d4 d5 c4 e6 Nc3 Be7 Bf4")
  ("D31e" "QGD: Alatortsev, Exchange" "d4 d5 c4 e6 Nc3 Be7 cxd5")
  ("D31e" "QGD: Alatortsev, Exchange" "d4 d5 c4 e6 Nc3 Be7 cxd5 exd5")
  ("D31e" "QGD: Alatortsev, 5.Bf4" "d4 d5 c4 e6 Nc3 Be7 cxd5 exd5 Bf4")
  ("D31f" "QGD: Alatortsev, 5.Bf4 c6" "d4 d5 c4 e6 Nc3 Be7 cxd5 exd5 Bf4 c6")
  ("D31g" "QGD: Alatortsev, 5.Bf4 c6 6.e3 Bf5" "d4 d5 c4 e6 Nc3 Be7 cxd5 exd5 Bf4 c6 e3 Bf5")
  ("D31h" "QGD: Alatortsev, 5.Bf4 c6 6.e3 Bf5 7.g4" "d4 d5 c4 e6 Nc3 Be7 cxd5 exd5 Bf4 c6 e3 Bf5 g4")
  ("D31i" "Semi-Slav" "d4 d5 c4 e6 Nc3 c6")
  ("D31j" "Semi-Slav: 4.cxd5" "d4 d5 c4 e6 Nc3 c6 cxd5")
  ("D31j" "Semi-Slav: 4.cxd5" "d4 d5 c4 e6 Nc3 c6 cxd5 exd5")
  ("D31k" "Semi-Slav: 4.cxd5 exd5 5.Nf3" "d4 d5 c4 e6 Nc3 c6 cxd5 exd5 Nf3")
  ("D31l" "Semi-Slav: 4.cxd5 exd5 5.Nf3 Bf5" "d4 d5 c4 e6 Nc3 c6 cxd5 exd5 Nf3 Bf5")
  ("D31m" "Semi-Slav: 4.cxd5 exd5 5.Bf4" "d4 d5 c4 e6 Nc3 c6 cxd5 exd5 Bf4")
  ("D31n" "Semi-Slav: 4.e3" "d4 d5 c4 e6 Nc3 c6 e3")
  ("D31o" "Semi-Slav: 4.e3 Nf6" "d4 d5 c4 e6 Nc3 c6 e3 Nf6")
  ("D31p" "Semi-Slav: 4.Nf3" "d4 d5 c4 e6 Nc3 c6 Nf3")
  ("D31q" "Semi-Slav: Noteboom Variation" "d4 d5 c4 e6 Nc3 c6 Nf3 dxc4")
  ("D31r" "Semi-Slav: Noteboom, 5.a4" "d4 d5 c4 e6 Nc3 c6 Nf3 dxc4 a4")
  ("D31s" "Semi-Slav: Noteboom, 5.a4 Bb4 6.e3 b5" "d4 d5 c4 e6 Nc3 c6 Nf3 dxc4 a4 Bb4 e3 b5")
  ("D31s" "Semi-Slav: Noteboom, Koomen Variation" "d4 d5 c4 e6 Nc3 c6 Nf3 dxc4 a4 Bb4 e3 b5 Bd2 Qe7")
  ("D31s" "Semi-Slav: Noteboom, Junge Variation" "d4 d5 c4 e6 Nc3 c6 Nf3 dxc4 a4 Bb4 e3 b5 Bd2 Qb6")
  ("D31t" "Semi-Slav: Noteboom, Abrahams Variation" "d4 d5 c4 e6 Nc3 c6 Nf3 dxc4 a4 Bb4 e3 b5 Bd2 a5")
  ("D31u" "Semi-Slav: Noteboom, Abrahams, Main Line" "d4 d5 c4 e6 Nc3 c6 Nf3 dxc4 a4 Bb4 e3 b5 Bd2 a5 axb5 Bxc3 Bxc3 cxb5 b3 Bb7")
  ("D31v" "Semi-Slav: Noteboom, Abrahams, Main Line, 14.O-O O-O" "d4 d5 c4 e6 Nc3 c6 Nf3 dxc4 a4 Bb4 e3 b5 Bd2 a5 axb5 Bxc3 Bxc3 cxb5 b3 Bb7 bxc4 b4 Bb2 Nf6 Bd3 Nbd7 O-O O-O")
  ("D31w" "Semi-Slav: Marshall Gambit" "d4 d5 c4 e6 Nc3 c6 e4")
  ("D31w" "Semi-Slav: Marshall Gambit, 4...Bb4" "d4 d5 c4 e6 Nc3 c6 e4 Bb4")
  ("D31w" "Semi-Slav: Marshall Gambit, 4...dxe4" "d4 d5 c4 e6 Nc3 c6 e4 dxe4")
  ("D31w" "Semi-Slav: Marshall Gambit, Gunderam Gambit" "d4 d5 c4 e6 Nc3 c6 e4 dxe4 f3")
  ("D31w" "Semi-Slav: Marshall Gambit, 5.Nxe4" "d4 d5 c4 e6 Nc3 c6 e4 dxe4 Nxe4")
  ("D31w" "Semi-Slav: Marshall Gambit, 5.Nxe4 Nf6" "d4 d5 c4 e6 Nc3 c6 e4 dxe4 Nxe4 Nf6")
  ("D31x" "Semi-Slav: Marshall Gambit, 5.Nxe4 Bb4+" "d4 d5 c4 e6 Nc3 c6 e4 dxe4 Nxe4 Bb4+")
  ("D31x" "Semi-Slav: Marshall Gambit, 5.Nxe4 Bb4+ 6.Nc3" "d4 d5 c4 e6 Nc3 c6 e4 dxe4 Nxe4 Bb4+ Nc3")
  ("D31x" "Semi-Slav: Marshall Gambit, 5.Nxe4 Bb4+ 6.Bd2" "d4 d5 c4 e6 Nc3 c6 e4 dxe4 Nxe4 Bb4+ Bd2")
  ("D31x" "Semi-Slav: Marshall Gambit, 8.Ne2" "d4 d5 c4 e6 Nc3 c6 e4 dxe4 Nxe4 Bb4+ Bd2 Qxd4 Bxb4 Qxe4+ Ne2")
  ("D31y" "Semi-Slav: Marshall Gambit, 8.Be2" "d4 d5 c4 e6 Nc3 c6 e4 dxe4 Nxe4 Bb4+ Bd2 Qxd4 Bxb4 Qxe4+ Be2")
  ("D31z" "Semi-Slav: Marshall Gambit, 8.Be2 Na6" "d4 d5 c4 e6 Nc3 c6 e4 dxe4 Nxe4 Bb4+ Bd2 Qxd4 Bxb4 Qxe4+ Be2 Na6")
  ("D32a" "QGD Tarrasch" "d4 d5 c4 e6 Nc3 c5")
  ("D32a" "QGD Tarrasch: 4.e3" "d4 d5 c4 e6 Nc3 c5 e3")
  ("D32b" "QGD Tarrasch: 4.Nf3" "d4 d5 c4 e6 Nc3 c5 Nf3")
  ("D32c" "QGD Tarrasch: 4.Nf3 cxd4 5.Nxd4 e5" "d4 d5 c4 e6 Nc3 c5 Nf3 cxd4 Nxd4 e5")
  ("D32d" "QGD Tarrasch: 4.cxd5" "d4 d5 c4 e6 Nc3 c5 cxd5")
  ("D32d" "QGD Tarrasch: von Hennig-Schara Gambit" "d4 d5 c4 e6 Nc3 c5 cxd5 cxd4")
  ("D32d" "QGD Tarrasch: von Hennig-Schara Gambit, 5.Qxd4" "d4 d5 c4 e6 Nc3 c5 cxd5 cxd4 Qxd4")
  ("D32e" "QGD Tarrasch: von Hennig-Schara Gambit, 5.Qxd4 Nc6 6.Qd1 exd5 7.e3" "d4 d5 c4 e6 Nc3 c5 cxd5 cxd4 Qxd4 Nc6 Qd1 exd5 e3")
  ("D32f" "QGD Tarrasch: von Hennig-Schara Gambit, 5.Qa4+" "d4 d5 c4 e6 Nc3 c5 cxd5 cxd4 Qa4+")
  ("D32f" "QGD Tarrasch: von Hennig-Schara Gambit, 7.Qxd5 Nc6" "d4 d5 c4 e6 Nc3 c5 cxd5 cxd4 Qa4+ Bd7 Qxd4 exd5 Qxd5 Nc6")
  ("D32g" "QGD Tarrasch: von Hennig-Schara Gambit, 7.Qxd5 Nc6 8.Bg5" "d4 d5 c4 e6 Nc3 c5 cxd5 cxd4 Qa4+ Bd7 Qxd4 exd5 Qxd5 Nc6 Bg5")
  ("D32h" "QGD Tarrasch: von Hennig-Schara Gambit, 7.Qxd5 Nc6 8.Nf3" "d4 d5 c4 e6 Nc3 c5 cxd5 cxd4 Qa4+ Bd7 Qxd4 exd5 Qxd5 Nc6 Nf3")
  ("D32i" "QGD Tarrasch: von Hennig-Schara Gambit, Main Line (11.Be2 O-O-O)" "d4 d5 c4 e6 Nc3 c5 cxd5 cxd4 Qa4+ Bd7 Qxd4 exd5 Qxd5 Nc6 Nf3 Nf6 Qd1 Bc5 e3 Qe7 Be2 O-O-O")
  ("D32j" "QGD Tarrasch: 4.cxd5 exd5" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5")
  ("D32j" "QGD Tarrasch: 5.g3" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 g3")
  ("D32k" "QGD Tarrasch: 5.dxc5" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 dxc5")
  ("D32k" "QGD Tarrasch: 5.dxc5, Tarrasch Gambit" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 dxc5 d4 Na4 b5")
  ("D32l" "QGD Tarrasch: Marshall Gambit" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 e4")
  ("D32l" "QGD Tarrasch: Marshall Gambit" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 e4 dxe4")
  ("D32l" "QGD Tarrasch: Marshall Gambit, Modern 6.Bc4" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 e4 dxe4 Bc4")
  ("D32l" "QGD Tarrasch: Marshall Gambit, 6.d5" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 e4 dxe4 d5")
  ("D32m" "QGD Tarrasch: 5.Nf3" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3")
  ("D32n" "QGD Tarrasch: 5.Nf3 Nc6" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6")
  ("D32o" "QGD Tarrasch: 5.Nf3 Nc6 6.Bf4" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 Bf4")
  ("D32o" "QGD Tarrasch: 5.Nf3 Nc6 6.Bf4 Nf6" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 Bf4 Nf6")
  ("D32p" "QGD Tarrasch: 5.Nf3 Nc6 6.Bg5" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 Bg5")
  ("D32q" "QGD Tarrasch: 5.Nf3 Nc6 6.Bg5 Be7" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 Bg5 Be7")
  ("D32r" "QGD Tarrasch: 5.Nf3 Nc6 6.e3" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 e3")
  ("D32r" "QGD Tarrasch: 5.Nf3 Nc6 6.e3 Nf6" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 e3 Nf6")
  ("D32s" "QGD Tarrasch: 5.Nf3 Nc6 6.e3 Nf6 7.Bb5" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 e3 Nf6 Bb5")
  ("D32t" "QGD Tarrasch: 5.Nf3 Nc6 6.e3 Nf6 7.Be2" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 e3 Nf6 Be2")
  ("D32u" "QGD Tarrasch: 5.Nf3 Nc6 6.e3 Nf6 7.Be2 Be7" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 e3 Nf6 Be2 Be7")
  ("D32u" "QGD Tarrasch: 5.Nf3 Nc6 6.e3 Nf6 7.Be2 Be7 8.dxc5 Bxc5" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 e3 Nf6 Be2 Be7 dxc5 Bxc5")
  ("D32v" "QGD Tarrasch: 5.Nf3 Nc6 6.e3 Nf6 7.Be2 cxd4" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 e3 Nf6 Be2 cxd4")
  ("D32v" "QGD Tarrasch: 5.Nf3 Nc6 6.e3 Nf6 7.Be2 cxd4 8.Nxd4 Bd6" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 e3 Nf6 Be2 cxd4 Nxd4 Bd6")
  ("D32v" "QGD Tarrasch: 5.Nf3 Nc6 6.e3 Nf6 7.Be2 cxd4 8.Nxd4 Bd6 9.O-O" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 e3 Nf6 Be2 cxd4 Nxd4 Bd6 O-O")
  ("D32w" "QGD Tarrasch: 5.Nf3 Nc6 6.e3 Nf6 7.Be2 cxd4 8.Nxd4 Bd6 9.O-O O-O" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 e3 Nf6 Be2 cxd4 Nxd4 Bd6 O-O O-O")
  ("D32x" "QGD Tarrasch: 5.Nf3 Nc6 6.e3 Nf6 7.Be2 cxd4 8.Nxd4 Bd6 9.O-O O-O 10.b3" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 e3 Nf6 Be2 cxd4 Nxd4 Bd6 O-O O-O b3")
  ("D33a" "QGD Tarrasch: 6.g3 (Schlecter/Rubinstein)" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3")
  ("D33b" "QGD Tarrasch: 6.g3 cxd4" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 cxd4")
  ("D33c" "QGD Tarrasch: Swedish Variation" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 c4")
  ("D33d" "QGD Tarrasch: Swedish, Rey Ardid Variation" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 c4 e4")
  ("D33e" "QGD Tarrasch: Swedish, 7.Bg2" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 c4 Bg2")
  ("D33f" "QGD Tarrasch: Swedish, 7.Bg2 Bb4 8.O-O Nge7" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 c4 Bg2 Bb4 O-O Nge7")
  ("D33g" "QGD Tarrasch: Swedish, 9.a3" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 c4 Bg2 Bb4 O-O Nge7 a3")
  ("D33h" "QGD Tarrasch: Swedish, 9.Bd2" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 c4 Bg2 Bb4 O-O Nge7 Bd2")
  ("D33i" "QGD Tarrasch: Swedish, 9.Ne5" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 c4 Bg2 Bb4 O-O Nge7 Ne5")
  ("D33j" "QGD Tarrasch: Swedish, 9.e4" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 c4 Bg2 Bb4 O-O Nge7 e4")
  ("D33k" "QGD Tarrasch: Swedish, 9.e4 dxe4" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 c4 Bg2 Bb4 O-O Nge7 e4 dxe4")
  ("D33l" "QGD Tarrasch: 6.g3 Nf6 (Prague)" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6")
  ("D33l" "QGD Tarrasch: 6.g3 Nf6 (Prague)" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2")
  ("D33m" "QGD Tarrasch: 7.Bg2 Be6" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be6")
  ("D33n" "QGD Tarrasch: Wagner Variation" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Bg4")
  ("D33o" "QGD Tarrasch: 7.Bg2 cxd4" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 cxd4")
  ("D33o" "QGD Tarrasch: 7.Bg2 cxd4 8.Nxd4" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 cxd4 Nxd4")
  ("D33p" "QGD Tarrasch: 7.Bg2 cxd4 8.Nxd4 Be7" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 cxd4 Nxd4 Be7")
  ("D33p" "QGD Tarrasch: 7.Bg2 cxd4 8.Nxd4 Be7" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 cxd4 Nxd4 Be7 O-O")
  ("D33p" "QGD Tarrasch: 7.Bg2 cxd4 8.Nxd4 Be7" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 cxd4 Nxd4 Be7 O-O O-O")
  ("D33q" "QGD Tarrasch: 7.Bg2 cxd4 8.Nxd4 Be7 9.O-O O-O 10.Be3" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 cxd4 Nxd4 Be7 O-O O-O Be3")
  ("D34a" "QGD Tarrasch: 7.Bg2 Be7" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7")
  ("D34a" "QGD Tarrasch: 7.Bg2 Be7 8.O-O" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O")
  ("D34b" "QGD Tarrasch: 7.Bg2 Be7 8.O-O Be6" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O Be6")
  ("D34c" "QGD Tarrasch: 8.O-O O-O (Main Line)" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O")
  ("D34d" "QGD Tarrasch: 9.b3" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O b3")
  ("D34e" "QGD Tarrasch: 9.b3 Ne4" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O b3 Ne4")
  ("D34f" "QGD Tarrasch: 9.Bf4" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Bf4")
  ("D34g" "QGD Tarrasch: 9.Be3" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Be3")
  ("D34h" "QGD Tarrasch: 9.dxc5" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O dxc5")
  ("D34h" "QGD Tarrasch: Tarrasch's Gambit" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O dxc5 d4")
  ("D34i" "QGD Tarrasch: 9.dxc5 Bxc5" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O dxc5 Bxc5")
  ("D34j" "QGD Tarrasch: Reti Variation" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O dxc5 Bxc5 Na4")
  ("D34k" "QGD Tarrasch: 9.dxc5 Bxc5 10.Bg5" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O dxc5 Bxc5 Bg5")
  ("D34k" "QGD Tarrasch: 9.dxc5 Bxc5 10.Bg5 Be6" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O dxc5 Bxc5 Bg5 Be6")
  ("D34k" "QGD Tarrasch: 9.dxc5 Bxc5 10.Bg5 Be6 11.Bxf6" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O dxc5 Bxc5 Bg5 Be6 Bxf6")
  ("D34l" "QGD Tarrasch: 9.dxc5 Bxc5 10.Bg5 d4" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O dxc5 Bxc5 Bg5 d4")
  ("D34m" "QGD Tarrasch: 9.dxc5 Bxc5 10.Bg5 d4 11.Bxf6 Qxf6 12.Nd5" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O dxc5 Bxc5 Bg5 d4 Bxf6 Qxf6 Nd5")
  ("D34n" "QGD Tarrasch: 9.dxc5 Bxc5 10.Bg5 d4 11.Bxf6: Main Line" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O dxc5 Bxc5 Bg5 d4 Bxf6 Qxf6 Nd5 Qd8 Nd2 Re8")
  ("D34o" "QGD Tarrasch: 9.Bg5" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Bg5")
  ("D34o" "QGD Tarrasch: 9.Bg5 Be6" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Bg5 Be6")
  ("D34o" "QGD Tarrasch: Stoltz Variation" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Bg5 Be6 Rc1 b6")
  ("D34o" "QGD Tarrasch: Bogoljubow Variation" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Bg5 Be6 Rc1 c4")
  ("D34p" "QGD Tarrasch: 9.Bg5 c4" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Bg5 c4")
  ("D34q" "QGD Tarrasch: 9.Bg5 c4 10.Ne5 Be6 11.Nxc6" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Bg5 c4 Ne5 Be6 Nxc6")
  ("D34r" "QGD Tarrasch: 9.Bg5 cxd4" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Bg5 cxd4")
  ("D34r" "QGD Tarrasch: 9.Bg5 cxd4" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Bg5 cxd4 Nxd4")
  ("D34s" "QGD Tarrasch: 9.Bg5 cxd4 10.Nxd4 h6" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Bg5 cxd4 Nxd4 h6")
  ("D34t" "QGD Tarrasch: 9.Bg5 cxd4 10.Nxd4 h6 11.Be3" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Bg5 cxd4 Nxd4 h6 Be3")
  ("D34u" "QGD Tarrasch: 9.Bg5 cxd4 10.Nxd4 h6 11.Be3 Re8" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Bg5 cxd4 Nxd4 h6 Be3 Re8")
  ("D34v" "QGD Tarrasch: 9.Bg5 cxd4 10.Nxd4 h6 11.Be3 Re8 12.Qb3" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Bg5 cxd4 Nxd4 h6 Be3 Re8 Qb3")
  ("D34w" "QGD Tarrasch: 9.Bg5 cxd4 10.Nxd4 h6 11.Be3 Re8 12.Rc1" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Bg5 cxd4 Nxd4 h6 Be3 Re8 Rc1")
  ("D34x" "QGD Tarrasch: 9.Bg5 cxd4 10.Nxd4 h6 11.Be3 Re8 12.Rc1 Bf8" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Bg5 cxd4 Nxd4 h6 Be3 Re8 Rc1 Bf8")
  ("D34y" "QGD Tarrasch: 9.Bg5 cxd4 10.Nxd4 h6 11.Be3 Re8 12.Rc1 Bf8 13.Nxc6" "d4 d5 c4 e6 Nc3 c5 cxd5 exd5 Nf3 Nc6 g3 Nf6 Bg2 Be7 O-O O-O Bg5 cxd4 Nxd4 h6 Be3 Re8 Rc1 Bf8 Nxc6")
  ("D35a" "QGD: 3.Nc3 Nf6" "d4 d5 c4 e6 Nc3 Nf6")
  ("D35a" "QGD: 3.Nc3 Nf6 4.e3" "d4 d5 c4 e6 Nc3 Nf6 e3")
  ("D35a" "QGD: Harrwitz Attack" "d4 d5 c4 e6 Nc3 Nf6 Bf4")
  ("D35a" "QGD: Catalan without Nf3" "d4 d5 c4 e6 Nc3 Nf6 g3")
  ("D35b" "QGD: Exchange" "d4 d5 c4 e6 Nc3 Nf6 cxd5")
  ("D35b" "QGD: Exchange, 4...Nxd5" "d4 d5 c4 e6 Nc3 Nf6 cxd5 Nxd5")
  ("D35b" "QGD: Exchange" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5")
  ("D35c" "QGD: Exchange, Sämisch Variation" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bf4")
  ("D35d" "QGD: Exchange, 5.Nf3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Nf3")
  ("D35d" "QGD: Exchange, 5.Nf3 c6" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Nf3 c6")
  ("D35d" "QGD: Exchange, 5.Nf3 c6 6.e3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Nf3 c6 e3")
  ("D35e" "QGD: Exchange, 5.Nf3 Nbd7" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Nf3 Nbd7")
  ("D35e" "QGD: Exchange, 5.Nf3 Nbd7 6.e3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Nf3 Nbd7 e3")
  ("D35e" "QGD: Exchange, 5.Nf3 Nbd7 6.e3 c6" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Nf3 Nbd7 e3 c6")
  ("D35f" "QGD: Exchange, 5.Nf3 Nbd7 6.Bf4" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Nf3 Nbd7 Bf4")
  ("D35g" "QGD: Exchange, 5.Nf3 Be7" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Nf3 Be7")
  ("D35g" "QGD: Exchange, 5.Nf3 Be7 6.Bf4" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Nf3 Be7 Bf4")
  ("D35h" "QGD: Exchange, 5.Nf3 Be7 6.Bf4 c6" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Nf3 Be7 Bf4 c6")
  ("D35h" "QGD: Exchange, 5.Nf3 Be7 6.Bf4 c6 7.Qc2" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Nf3 Be7 Bf4 c6 Qc2")
  ("D35h" "QGD: Exchange, 5.Nf3 Be7 6.Bf4 c6 7.Qc2 Nbd7" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Nf3 Be7 Bf4 c6 Qc2 Nbd7")
  ("D35i" "QGD: Exchange, 5.Bg5" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5")
  ("D35i" "QGD: Exchange, 5.Bg5 Nbd7" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 Nbd7")
  ("D35i" "QGD: Exchange, 5.Bg5 Nbd7 6.Nf3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 Nbd7 Nf3")
  ("D35i" "QGD: Exchange, 5.Bg5 Nbd7 6.e3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 Nbd7 e3")
  ("D35i" "QGD: Exchange, 5.Bg5 Be7" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 Be7")
  ("D35i" "QGD: Exchange, 5.Bg5 Be7 6.Nf3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 Be7 Nf3")
  ("D35j" "QGD: Exchange, 5.Bg5 Be7 6.e3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 Be7 e3")
  ("D35j" "QGD: Exchange, 5.Bg5 Be7 6.e3 h6" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 Be7 e3 h6")
  ("D35j" "QGD: Exchange, 5.Bg5 Be7 6.e3 Nbd7" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 Be7 e3 Nbd7")
  ("D35k" "QGD: Exchange, 5.Bg5 Be7 6.e3 O-O" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 Be7 e3 O-O")
  ("D35l" "QGD: Exchange, 5.Bg5 c6" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6")
  ("D35l" "QGD: Exchange, 5.Bg5 c6 6.Nf3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Nf3")
  ("D35m" "QGD: Exchange, 5.Bg5 c6 6.e3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 e3")
  ("D35n" "QGD: Exchange, 5.Bg5 c6 6.e3 Nbd7" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 e3 Nbd7")
  ("D35o" "QGD: Exchange, 5.Bg5 c6 6.e3 Be7" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 e3 Be7")
  ("D35o" "QGD: Exchange, 5.Bg5 c6 6.e3 Be7 7.Nf3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 e3 Be7 Nf3")
  ("D35p" "QGD: Exchange, 5.Bg5 c6 6.e3 Be7 7.Nf3 Bf5" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 e3 Be7 Nf3 Bf5")
  ("D35q" "QGD: Exchange, 5.Bg5 c6 6.e3 Be7 7.Nf3 Bf5 8.Bd3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 e3 Be7 Nf3 Bf5 Bd3")
  ("D35r" "QGD: Exchange, 5.Bg5 c6 6.e3 Be7 7.Bd3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 e3 Be7 Bd3")
  ("D35s" "QGD: Exchange, 5.Bg5 c6 6.e3 Be7 7.Bd3 Ne4" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 e3 Be7 Bd3 Ne4")
  ("D35t" "QGD: Exchange, 5.Bg5 c6 6.e3 Be7 7.Bd3 Nbd7" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 e3 Be7 Bd3 Nbd7")
  ("D35t" "QGD: Exchange, 5.Bg5 c6 6.e3 Be7 7.Bd3 Nbd7 8.Nge2" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 e3 Be7 Bd3 Nbd7 Nge2")
  ("D35u" "QGD: Exchange, 5.Bg5 c6 6.e3 Be7 7.Bd3 Nbd7 8.Nf3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 e3 Be7 Bd3 Nbd7 Nf3")
  ("D35v" "QGD: Exchange, 5.Bg5 c6 6.e3 Be7 7.Bd3 O-O" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 e3 Be7 Bd3 O-O")
  ("D35v" "QGD: Exchange, 5.Bg5 c6 6.e3 Be7 7.Bd3 O-O 8.Nf3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 e3 Be7 Bd3 O-O Nf3")
  ("D35v" "QGD: Exchange, 5.Bg5 c6 6.e3 Be7 7.Bd3 O-O 8.Nge2" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 e3 Be7 Bd3 O-O Nge2")
  ("D36a" "QGD: Exchange, 5.Bg5 c6 6.Qc2" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2")
  ("D36a" "QGD: Exchange, 5.Bg5 c6 6.Qc2 g6" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 g6")
  ("D36b" "QGD: Exchange, 5.Bg5 c6 6.Qc2 Na6" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Na6")
  ("D36c" "QGD: Exchange, 6.Qc2 Be7" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7")
  ("D36c" "QGD: Exchange, 6.Qc2 Be7 7.Nf3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 Nf3")
  ("D36c" "QGD: Exchange, 6.Qc2 Be7 7.Nf3 Nbd7" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 Nf3 Nbd7")
  ("D36c" "QGD: Exchange, 6.Qc2 Be7 7.Nf3 O-O" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 Nf3 O-O")
  ("D36d" "QGD: Exchange, 6.Qc2 Be7 7.Nf3 g6" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 Nf3 g6")
  ("D36e" "QGD: Exchange, 6.Qc2 Be7 7.Nf3 g6 8.e3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 Nf3 g6 e3")
  ("D36f" "QGD: Exchange, 6.Qc2 Be7 7.e3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3")
  ("D36f" "QGD: Exchange, 6.Qc2 Be7 7.e3 O-O" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 O-O")
  ("D36f" "QGD: Exchange, 6.Qc2 Be7 7.e3 O-O 8.Bd3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 O-O Bd3")
  ("D36g" "QGD: Exchange, 6.Qc2 Be7 7.e3 h6" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 h6")
  ("D36g" "QGD: Exchange, 6.Qc2 Be7 7.e3 h6" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 h6 Bh4 O-O")
  ("D36g" "QGD: Exchange, 6.Qc2 Be7 7.e3 h6" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 h6 Bh4 O-O Bd3 Re8")
  ("D36h" "QGD: Exchange, 6.Qc2 Be7 7.e3 Nbd7" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7")
  ("D36h" "QGD: Exchange, 6.Qc2 Be7 7.e3 Nbd7 8.Nf3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Nf3")
  ("D36i" "QGD: Exchange, 6.Qc2 Be7 7.e3 Nbd7 8.Bd3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3")
  ("D36j" "QGD: Exchange, 6.Qc2 Be7 7.e3 Nbd7 8.Bd3 Nf8" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 Nf8")
  ("D36k" "QGD: Exchange, Main Line" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O")
  ("D36k" "QGD: Exchange, Main Line, 9.Nge2" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nge2")
  ("D36k" "QGD: Exchange, Main Line, 9.Nge2 h6" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nge2 h6")
  ("D36k" "QGD: Exchange, Main Line, 9.Nge2 h6 10.Bh4" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nge2 h6 Bh4")
  ("D36l" "QGD: Exchange, Main Line, 9.Nge2 Re8" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nge2 Re8")
  ("D36m" "QGD: Exchange, Main Line, 9.Nge2 Re8 10.O-O" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nge2 Re8 O-O")
  ("D36m" "QGD: Exchange, Main Line, 9.Nge2 Re8 10.O-O Nf8" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nge2 Re8 O-O Nf8")
  ("D36n" "QGD: Exchange, Main Line, 9.Nge2 Re8 10.O-O Nf8 11.f3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nge2 Re8 O-O Nf8 f3")
  ("D36o" "QGD: Exchange, Main Line, 9.Nf3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nf3")
  ("D36o" "QGD: Exchange, Main Line, 9.Nf3 h6" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nf3 h6")
  ("D36o" "QGD: Exchange, Main Line, 9.Nf3 h6 10.Bh4" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nf3 h6 Bh4")
  ("D36p" "QGD: Exchange, Main Line, 9.Nf3 Re8" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nf3 Re8")
  ("D36p" "QGD: Exchange, Main Line, 9.Nf3 Re8 10.h3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nf3 Re8 h3")
  ("D36p" "QGD: Exchange, Main Line, 9.Nf3 Re8 10.h3 Nf8" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nf3 Re8 h3 Nf8")
  ("D36q" "QGD: Exchange, Main Line, 9.Nf3 Re8 10.h3 Nf8 11.Bf4" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nf3 Re8 h3 Nf8 Bf4")
  ("D36r" "QGD: Exchange, Main Line, 9.Nf3 Re8 10.O-O-O" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nf3 Re8 O-O-O")
  ("D36r" "QGD: Exchange, Main Line, 9.Nf3 Re8 10.O-O-O h6" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nf3 Re8 O-O-O h6 Bh4")
  ("D36r" "QGD: Exchange, Main Line, 9.Nf3 Re8 10.O-O-O Nf8" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nf3 Re8 O-O-O Nf8")
  ("D36r" "QGD: Exchange, Main Line, 9.Nf3 Re8 10.O-O-O Nf8 11.h3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nf3 Re8 O-O-O Nf8 h3")
  ("D36s" "QGD: Exchange, Main Line, 9.Nf3 Re8 10.O-O" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nf3 Re8 O-O")
  ("D36t" "QGD: Exchange, Main Line, 9.Nf3 Re8 10.O-O h6" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nf3 Re8 O-O h6")
  ("D36t" "QGD: Exchange, Main Line, 9.Nf3 Re8 10.O-O h6" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nf3 Re8 O-O h6 Bf4")
  ("D36t" "QGD: Exchange, Main Line, 9.Nf3 Re8 10.O-O h6" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nf3 Re8 O-O h6 Bh4")
  ("D36u" "QGD: Exchange, Main Line, 9.Nf3 Re8 10.O-O Nf8" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nf3 Re8 O-O Nf8")
  ("D36v" "QGD: Exchange, Main Line, 9.Nf3 Re8 10.O-O Nf8 11.Rae1" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nf3 Re8 O-O Nf8 Rae1")
  ("D36w" "QGD: Exchange, Main Line, 9.Nf3 Re8 10.O-O Nf8 11.h3" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nf3 Re8 O-O Nf8 h3")
  ("D36x" "QGD: Exchange, Main Line, 9.Nf3 Re8 10.O-O Nf8 11.h3 g6" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nf3 Re8 O-O Nf8 h3 g6")
  ("D36y" "QGD: Exchange, Main Line, 9.Nf3 Re8 10.O-O Nf8 11.Rab1" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nf3 Re8 O-O Nf8 Rab1")
  ("D36z" "QGD: Exchange, Main Line, 9.Nf3 Re8 10.O-O Nf8 11.Rab1 a5" "d4 d5 c4 e6 Nc3 Nf6 cxd5 exd5 Bg5 c6 Qc2 Be7 e3 Nbd7 Bd3 O-O Nf3 Re8 O-O Nf8 Rab1 a5")
  ("D37a" "QGD: 4.Nf3" "d4 d5 c4 e6 Nc3 Nf6 Nf3")
  ("D37b" "QGD: Westphalia without Bg5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Nbd7")
  ("D37c" "QGD: Westphalia: 4.Nf3 Nbd7 5.Bf4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Nbd7 Bf4")
  ("D37d" "QGD: 4.Nf3 Be7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7")
  ("D37d" "QGD: 4.Nf3 Be7 5.cxd5 Nxd5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 cxd5 Nxd5")
  ("D37e" "QGD: 4.Nf3 Be7 5.e3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 e3")
  ("D37f" "QGD: 4.Nf3 Be7 5.e3 O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 e3 O-O")
  ("D37f" "QGD: 4.Nf3 Be7 5.e3 O-O 6.b3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 e3 O-O b3")
  ("D37g" "QGD: 4.Nf3 Be7 5.e3 O-O 6.Bd3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 e3 O-O Bd3")
  ("D37h" "QGD: Classical Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4")
  ("D37i" "QGD: Classical, 5...O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4 O-O")
  ("D37j" "QGD: Classical, 5...O-O 6.e3 Nbd7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4 O-O e3 Nbd7")
  ("D37k" "QGD: Classical, 5...O-O 6.e3 b6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4 O-O e3 b6")
  ("D37l" "QGD: Classical, 5...O-O 6.e3 c6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4 O-O e3 c6")
  ("D37m" "QGD: Classical, 5...O-O 6.e3 c5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4 O-O e3 c5")
  ("D37n" "QGD: Classical, 5...O-O 6.e3 c5 7.dxc5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4 O-O e3 c5 dxc5")
  ("D37o" "QGD: Classical, 5...O-O 6.e3 c5 7.dxc5 Bxc5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4 O-O e3 c5 dxc5 Bxc5")
  ("D37p" "QGD: Classical, 5...O-O 6.e3 c5 7.dxc5 Bxc5 8.a3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4 O-O e3 c5 dxc5 Bxc5 a3")
  ("D37q" "QGD: Classical, 5...O-O 6.e3 c5 7.dxc5 Bxc5 8.cxd5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4 O-O e3 c5 dxc5 Bxc5 cxd5")
  ("D37r" "QGD: Classical, 5...O-O 6.e3 c5 7.dxc5 Bxc5 8.Qc2" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4 O-O e3 c5 dxc5 Bxc5 Qc2")
  ("D37s" "QGD: Classical, 5...O-O 6.e3 c5 7.dxc5 Bxc5 8.Qc2 Nc6 9.a3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4 O-O e3 c5 dxc5 Bxc5 Qc2 Nc6 a3")
  ("D37t" "QGD: Classical, 5...O-O 6.e3 c5 7.dxc5 Bxc5 8.Qc2 Nc6 9.a3 Qa5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4 O-O e3 c5 dxc5 Bxc5 Qc2 Nc6 a3 Qa5")
  ("D37u" "QGD: Classical, 5...O-O 6.e3 c5 7.dxc5 Bxc5 8.Qc2 Nc6 9.a3 Qa5 10.Rd1" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4 O-O e3 c5 dxc5 Bxc5 Qc2 Nc6 a3 Qa5 Rd1")
  ("D37v" "QGD: Classical, 5...O-O 6.e3 c5 7.dxc5 Bxc5 8.Qc2 Nc6 9.a3 Qa5 10.O-O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Be7 Bf4 O-O e3 c5 dxc5 Bxc5 Qc2 Nc6 a3 Qa5 O-O-O")
  ("D38a" "QGD: Ragozin" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4")
  ("D38b" "QGD: Ragozin, 5.Qa4+" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Qa4+")
  ("D38c" "QGD: Ragozin, 5.Qa4+ Nc6 6.cxd5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Qa4+ Nc6 cxd5")
  ("D38d" "QGD: Ragozin, 5.Qa4+ Nc6 6.cxd5 exd5 7.Bg5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Qa4+ Nc6 cxd5 exd5 Bg5")
  ("D38e" "QGD: Ragozin, 5.cxd5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 cxd5")
  ("D38f" "QGD: Ragozin, 5.cxd5 exd5 6.Bg5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 cxd5 exd5 Bg5")
  ("D38g" "QGD: Ragozin, 5.cxd5 exd5 6.Bg5 h6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 cxd5 exd5 Bg5 h6")
  ("D38g" "QGD: Ragozin, 5.cxd5 exd5 6.Bg5 h6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 cxd5 exd5 Bg5 h6 Bh4")
  ("D38h" "QGD: Ragozin, 5.Bg5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5")
  ("D38i" "QGD: Ragozin, Westphalia Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 Nbd7")
  ("D38j" "QGD: Ragozin, Westphalia, 7.Qc2" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 Nbd7 cxd5 exd5 Qc2")
  ("D38k" "QGD: Ragozin, Westphalia, 7.e3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 Nbd7 cxd5 exd5 e3")
  ("D38l" "QGD: Ragozin, 5.Bg5 h6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 h6")
  ("D38m" "QGD: Ragozin, 5.Bg5 h6 6.Bxf6 Qxf6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 h6 Bxf6 Qxf6")
  ("D38n" "QGD: Ragozin, 5.Bg5 h6 6.Bxf6 Qxf6 7.cxd5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 h6 Bxf6 Qxf6 cxd5")
  ("D38n" "QGD: Ragozin, 5.Bg5 h6 6.Bxf6 Qxf6 7.cxd5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 h6 Bxf6 Qxf6 cxd5 exd5")
  ("D38o" "QGD: Ragozin, 5.Bg5 h6 6.Bxf6 Qxf6 7.e3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 h6 Bxf6 Qxf6 e3")
  ("D38p" "QGD: Ragozin, 5.Bg5 h6 6.Bxf6 Qxf6 7.e3 O-O 8.Rc1" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 h6 Bxf6 Qxf6 e3 O-O Rc1")
  ("D39a" "QGD: Ragozin, Vienna Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 dxc4")
  ("D39b" "QGD: Ragozin, Vienna, 6.Qa4+" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 dxc4 Qa4+")
  ("D39c" "QGD: Ragozin, Vienna, 6.e4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 dxc4 e4")
  ("D39d" "QGD: Ragozin, Vienna, 6.e4 c5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 dxc4 e4 c5")
  ("D39e" "QGD: Ragozin, Vienna, 6.e4 c5 7.e5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 dxc4 e4 c5 e5")
  ("D39f" "QGD: Ragozin, Vienna, 6.e4 c5 7.e5 cxd4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 dxc4 e4 c5 e5 cxd4")
  ("D39g" "QGD: Ragozin, Vienna, 6.e4 c5 7.e5 cxd4 8.Qa4+ Nc6 9.O-O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 dxc4 e4 c5 e5 cxd4 Qa4+ Nc6 O-O-O")
  ("D39h" "QGD: Ragozin, Vienna, 6.e4 c5 7.Bxc4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 dxc4 e4 c5 Bxc4")
  ("D39h" "QGD: Ragozin, Vienna, 6.e4 c5 7.Bxc4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 dxc4 e4 c5 Bxc4 cxd4")
  ("D39h" "QGD: Ragozin, Vienna, 6.e4 c5 7.Bxc4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 dxc4 e4 c5 Bxc4 cxd4 Nxd4")
  ("D39i" "QGD: Ragozin, Vienna, 6.e4 c5 7.Bxc4, 8...Qa5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 dxc4 e4 c5 Bxc4 cxd4 Nxd4 Qa5")
  ("D39j" "QGD: Ragozin, Vienna, 6.e4 c5 7.Bxc4, 8...Bxc3+" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 dxc4 e4 c5 Bxc4 cxd4 Nxd4 Bxc3+")
  ("D39j" "QGD: Ragozin, Vienna, 6.e4 c5 7.Bxc4, 8...Bxc3+" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 dxc4 e4 c5 Bxc4 cxd4 Nxd4 Bxc3+ bxc3")
  ("D39k" "QGD: Ragozin, Vienna, 6.e4 c5 7.Bxc4, 8...Bxc3+, 10.Bb5+" "d4 d5 c4 e6 Nc3 Nf6 Nf3 Bb4 Bg5 dxc4 e4 c5 Bxc4 cxd4 Nxd4 Bxc3+ bxc3 Qa5 Bb5+")
  ("D40a" "QGD: Semi-Tarrasch" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5")
  ("D40a" "QGD: Semi-Tarrasch, 5.e3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3")
  ("D40b" "QGD: Semi-Tarrasch, 5.e3 Be7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3 Be7")
  ("D40c" "QGD: Semi-Tarrasch, 5.e3 cxd4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3 cxd4")
  ("D40d" "QGD: Semi-Tarrasch, 5.e3 a6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3 a6")
  ("D40e" "QGD: Semi-Tarrasch, 5.e3 a6 6.cxd5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3 a6 cxd5")
  ("D40e" "QGD: Semi-Tarrasch, 5.e3 a6 6.cxd5 exd5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3 a6 cxd5 exd5")
  ("D40f" "QGD: Semi-Tarrasch, 5.e3 Nc6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3 Nc6")
  ("D40g" "QGD: Semi-Tarrasch, 5.e3 Nc6 6.Bd3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3 Nc6 Bd3")
  ("D40h" "QGD: Semi-Tarrasch, Symmetrical Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3 Nc6 Bd3 Bd6 O-O O-O")
  ("D40i" "QGD: Semi-Tarrasch, 5.e3 Nc6 6.a3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3 Nc6 a3")
  ("D40j" "QGD: Semi-Tarrasch, 5.e3 Nc6 6.a3 Ne4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3 Nc6 a3 Ne4")
  ("D40k" "QGD: Semi-Tarrasch, 5.e3 Nc6 6.a3 dxc4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3 Nc6 a3 dxc4")
  ("D40l" "QGD: Semi-Tarrasch, 5.e3 Nc6 6.a3 cxd4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3 Nc6 a3 cxd4")
  ("D40l" "QGD: Semi-Tarrasch, 5.e3 Nc6 6.a3 cxd4 7.exd4 Be7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3 Nc6 a3 cxd4 exd4 Be7")
  ("D40m" "QGD: Semi-Tarrasch, 5.e3 Nc6 6.a3 cxd4 7.exd4 Be7 8.c5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3 Nc6 a3 cxd4 exd4 Be7 c5")
  ("D40n" "QGD: Semi-Tarrasch, 5.e3 Nc6 6.a3 cxd4 7.exd4 Be7 8.Bd3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3 Nc6 a3 cxd4 exd4 Be7 Bd3")
  ("D40o" "QGD: Semi-Tarrasch, 5.e3 Nc6 6.a3 a6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3 Nc6 a3 a6")
  ("D40p" "QGD: Semi-Tarrasch, 5.e3 Nc6 6.a3 a6 7.b3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3 Nc6 a3 a6 b3")
  ("D40q" "QGD: Semi-Tarrasch, 5.e3 Nc6 6.a3 a6 7.dxc5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3 Nc6 a3 a6 dxc5")
  ("D40q" "QGD: Semi-Tarrasch, 5.e3 Nc6 6.a3 a6 7.dxc5 Bxc5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3 Nc6 a3 a6 dxc5 Bxc5")
  ("D40r" "QGD: Semi-Tarrasch, 5.e3 Nc6 6.a3 a6 7.dxc5 Bxc5 8.b4 Ba7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 e3 Nc6 a3 a6 dxc5 Bxc5 b4 Ba7")
  ("D41a" "QGD: Semi-Tarrasch, 5.cxd5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5")
  ("D41b" "QGD: Semi-Tarrasch, Keres Counterattack" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 cxd4")
  ("D41c" "QGD: Semi-Tarrasch, 5.cxd5 Nxd5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5")
  ("D41c" "QGD: Semi-Tarrasch, 6.g3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 g3")
  ("D41c" "QGD: Semi-Tarrasch, 6.g3 Nc6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 g3 Nc6")
  ("D41c" "QGD: Semi-Tarrasch, 6.g3 Nc6 7.Bg2 Be7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 g3 Nc6 Bg2 Be7")
  ("D41d" "QGD: Semi-Tarrasch, 6.g3, Main Line" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 g3 Nc6 Bg2 Be7 O-O O-O")
  ("D41e" "QGD: Semi-Tarrasch, 6.g3, Main Line, 9.e4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 g3 Nc6 Bg2 Be7 O-O O-O e4")
  ("D41f" "QGD: Semi-Tarrasch, 6.g3, Main Line, 9.e4 Nb6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 g3 Nc6 Bg2 Be7 O-O O-O e4 Nb6")
  ("D41g" "QGD: Semi-Tarrasch, 6.g3, Main Line, 9.e4 Ndb4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 g3 Nc6 Bg2 Be7 O-O O-O e4 Ndb4")
  ("D41h" "QGD: Semi-Tarrasch, 6.g3, Main Line, 9.Nxd5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 g3 Nc6 Bg2 Be7 O-O O-O Nxd5")
  ("D41i" "QGD: Semi-Tarrasch, 6.g3, Main Line, 9.Nxd5 exd5 10.dxc5 Bxc5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 g3 Nc6 Bg2 Be7 O-O O-O Nxd5 exd5 dxc5 Bxc5")
  ("D41j" "QGD: Semi-Tarrasch, 6.g3, Main Line, 9.Nxd5 exd5 10.dxc5 Bxc5 11.Bg5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 g3 Nc6 Bg2 Be7 O-O O-O Nxd5 exd5 dxc5 Bxc5 Bg5")
  ("D41k" "QGD: Semi-Tarrasch, 6.e4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e4")
  ("D41k" "QGD: Semi-Tarrasch, 6.e4 Nxc3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e4 Nxc3")
  ("D41k" "QGD: Semi-Tarrasch, 6.e4, 8.cxd4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e4 Nxc3 bxc3 cxd4 cxd4")
  ("D41l" "QGD: Semi-Tarrasch, 6.e4, 8.cxd4 Nc6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e4 Nxc3 bxc3 cxd4 cxd4 Nc6")
  ("D41m" "QGD: Semi-Tarrasch, 6.e4, 8.cxd4 Bb4+" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e4 Nxc3 bxc3 cxd4 cxd4 Bb4+")
  ("D41m" "QGD: Semi-Tarrasch, 6.e4, San Sebastian Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e4 Nxc3 bxc3 cxd4 cxd4 Bb4+ Bd2 Qa5")
  ("D41m" "QGD: Semi-Tarrasch, 6.e4, Kmoch Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e4 Nxc3 bxc3 cxd4 cxd4 Bb4+ Bd2 Bxd2+ Qxd2 O-O Bb5")
  ("D41n" "QGD: Semi-Tarrasch, 6.e4, Main Line" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e4 Nxc3 bxc3 cxd4 cxd4 Bb4+ Bd2 Bxd2+ Qxd2 O-O Bc4")
  ("D41n" "QGD: Semi-Tarrasch, 6.e4, Main Line" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e4 Nxc3 bxc3 cxd4 cxd4 Bb4+ Bd2 Bxd2+ Qxd2 O-O Bc4 Nc6 O-O")
  ("D41o" "QGD: Semi-Tarrasch, 6.e4, Main Line, 12...b6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e4 Nxc3 bxc3 cxd4 cxd4 Bb4+ Bd2 Bxd2+ Qxd2 O-O Bc4 Nc6 O-O b6")
  ("D41o" "QGD: Semi-Tarrasch, 6.e4, Main Line, 12...b6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e4 Nxc3 bxc3 cxd4 cxd4 Bb4+ Bd2 Bxd2+ Qxd2 O-O Bc4 Nc6 O-O b6 Rad1")
  ("D41p" "QGD: Semi-Tarrasch, 6.e3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3")
  ("D41p" "QGD: Semi-Tarrasch, 6.e3 cxd4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 cxd4")
  ("D41p" "QGD: Semi-Tarrasch, 6.e3 cxd4 7.exd4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 cxd4 exd4")
  ("D41q" "QGD: Semi-Tarrasch, 6.e3 Nc6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6")
  ("D41r" "QGD: Semi-Tarrasch, 6.e3 Nc6 7.Bc4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bc4")
  ("D41r" "QGD: Semi-Tarrasch, 6.e3 Nc6 7.Bc4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bc4 cxd4 exd4")
  ("D41r" "QGD: Semi-Tarrasch, 6.e3 Nc6 7.Bc4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bc4 cxd4 exd4 Be7")
  ("D41s" "QGD: Semi-Tarrasch, 6.e3 Nc6 7.Bc4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bc4 cxd4 exd4 Be7 O-O O-O")
  ("D41t" "QGD: Semi-Tarrasch, 7.Bc4 Main Line" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bc4 cxd4 exd4 Be7 O-O O-O Re1 Nxc3 bxc3")
  ("D41t" "QGD: Semi-Tarrasch, 7.Bc4 Main Line" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bc4 cxd4 exd4 Be7 O-O O-O Re1 Nxc3 bxc3 b6 Bd3 Bb7")
  ("D41u" "QGD: Semi-Tarrasch, 7.Bc4 Main Line, 13.Qc2" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bc4 cxd4 exd4 Be7 O-O O-O Re1 Nxc3 bxc3 b6 Bd3 Bb7 Qc2")
  ("D41v" "QGD: Semi-Tarrasch, 7.Bc4 Main Line, 13.h4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bc4 cxd4 exd4 Be7 O-O O-O Re1 Nxc3 bxc3 b6 Bd3 Bb7 h4")
  ("D42a" "QGD: Semi-Tarrasch, 6.e3 Nc6 7.Bd3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3")
  ("D42b" "QGD: Semi-Tarrasch, 6.e3 Nc6 7.Bd3 Be7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3 Be7")
  ("D42c" "QGD: Semi-Tarrasch, 6.e3 Nc6 7.Bd3 Be7 8.O-O O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3 Be7 O-O O-O")
  ("D42d" "QGD: Semi-Tarrasch, 6.e3 Nc6 7.Bd3 cxd4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4")
  ("D42d" "QGD: Semi-Tarrasch, 6.e3 Nc6 7.Bd3 cxd4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4")
  ("D42e" "QGD: Semi-Tarrasch, 7.Bd3 Main Line" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Be7")
  ("D42f" "QGD: Semi-Tarrasch, 7.Bd3 Main Line, 9.O-O O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Be7 O-O O-O")
  ("D42g" "QGD: Semi-Tarrasch, 7.Bd3 Main Line, 10.a3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Be7 O-O O-O a3")
  ("D42h" "QGD: Semi-Tarrasch, 7.Bd3 Main Line, 10.a3 Nf6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Be7 O-O O-O a3 Nf6")
  ("D42i" "QGD: Semi-Tarrasch, 7.Bd3 Main Line, 10.a3 Bf6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Be7 O-O O-O a3 Bf6")
  ("D42j" "QGD: Semi-Tarrasch, 7.Bd3 Main Line, 10.Re1" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Be7 O-O O-O Re1")
  ("D42k" "QGD: Semi-Tarrasch, 7.Bd3 Main Line, 10.Re1 Ncb4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Be7 O-O O-O Re1 Ncb4")
  ("D42l" "QGD: Semi-Tarrasch, 7.Bd3 Main Line, 10.Re1 Nf6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Be7 O-O O-O Re1 Nf6")
  ("D42l" "QGD: Semi-Tarrasch, 7.Bd3 Main Line, 10.Re1 Nf6 11.Bg5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Be7 O-O O-O Re1 Nf6 Bg5")
  ("D42m" "QGD: Semi-Tarrasch, 7.Bd3 Main Line, 10.Re1 Nf6 11.a3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Be7 O-O O-O Re1 Nf6 a3")
  ("D42m" "QGD: Semi-Tarrasch, 7.Bd3 Main Line, 10.Re1 Nf6 11.a3 b6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Be7 O-O O-O Re1 Nf6 a3 b6")
  ("D42m" "QGD: Semi-Tarrasch, 7.Bd3 Main Line, 10.Re1 Nf6 11.a3 b6 12.Be3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Be7 O-O O-O Re1 Nf6 a3 b6 Be3")
  ("D42n" "QGD: Semi-Tarrasch, 7.Bd3 Main Line, 10.Re1 Nf6 11.a3 b6 12.Bg5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Be7 O-O O-O Re1 Nf6 a3 b6 Bg5")
  ("D42o" "QGD: Semi-Tarrasch, 7.Bd3 Main Line, 10.Re1 Nf6 11.a3 b6 12.Bc2" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Be7 O-O O-O Re1 Nf6 a3 b6 Bc2")
  ("D42p" "QGD: Semi-Tarrasch, 7.Bd3 Main Line, 10.Re1 Bf6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Be7 O-O O-O Re1 Bf6")
  ("D42p" "QGD: Semi-Tarrasch, 7.Bd3 Main Line, 10.Re1 Bf6 11.Be4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Be7 O-O O-O Re1 Bf6 Be4")
  ("D42q" "QGD: Semi-Tarrasch, 7.Bd3 Main Line, 10.Re1 Bf6 11.Be4 Nce7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Be7 O-O O-O Re1 Bf6 Be4 Nce7")
  ("D42r" "QGD: Semi-Tarrasch, 7.Bd3 Main Line, 10.Re1 Bf6 11.Be4 Nce7 12.Ne5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c5 cxd5 Nxd5 e3 Nc6 Bd3 cxd4 exd4 Be7 O-O O-O Re1 Bf6 Be4 Nce7 Ne5")
  ("D43a" "Semi-Slav" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6")
  ("D43b" "Semi-Slav: 5.g3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 g3")
  ("D43c" "Semi-Slav: 5.Qd3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Qd3")
  ("D43d" "Semi-Slav: 5.Qb3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Qb3")
  ("D43e" "Semi-Slav: 5.Qb3 dxc4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Qb3 dxc4 Qxc4")
  ("D43f" "Semi-Slav: Botvinnik (Anti-Meran)" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5")
  ("D43f" "Semi-Slav: Botvinnik, 5...Be7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 Be7")
  ("D43g" "Semi-Slav: Botvinnik, 5...Be7 6.e3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 Be7 e3")
  ("D43h" "Semi-Slav: Botvinnik, 5...Be7 6.e3 O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 Be7 e3 O-O")
  ("D43i" "Semi-Slav: Botvinnik, 5...Be7 6.e3 Nbd7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 Be7 e3 Nbd7")
  ("D43j" "Semi-Slav: Botvinnik, 5...Be7 6.e3 Nbd7 7.Bd3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 Be7 e3 Nbd7 Bd3")
  ("D43k" "Semi-Slav: Moscow Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6")
  ("D43k" "Semi-Slav: Moscow, 6.Bh4 Gambit" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bh4")
  ("D43k" "Semi-Slav: Moscow, 6.Bh4 Be7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bh4 Be7")
  ("D43k" "Semi-Slav: Moscow, 6.Bh4 Be7 7.e3 O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bh4 Be7 e3 O-O")
  ("D43k" "Semi-Slav: Moscow, 6.Bh4 Gambit Accepted" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bh4 dxc4")
  ("D43l" "Semi-Slav: Moscow, 6.Bh4 Gambit, 7.e4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bh4 dxc4 e4")
  ("D43m" "Semi-Slav: Moscow, 6.Bh4 Gambit, Main Line" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bh4 dxc4 e4 g5 Bg3 b5 Be2")
  ("D43n" "Semi-Slav: Moscow, 6.Bh4 Gambit, Main Line, 9...Bb7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bh4 dxc4 e4 g5 Bg3 b5 Be2 Bb7")
  ("D43o" "Semi-Slav: Moscow, 6.Bxf6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bxf6")
  ("D43p" "Semi-Slav: Moscow, 7.g3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bxf6 Qxf6 g3")
  ("D43q" "Semi-Slav: Moscow, Hastings Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bxf6 Qxf6 Qb3")
  ("D43r" "Semi-Slav: Moscow, 7.Qc2" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bxf6 Qxf6 Qc2")
  ("D43s" "Semi-Slav: Moscow, 7.e3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bxf6 Qxf6 e3")
  ("D43t" "Semi-Slav: Moscow, 7.e3 Nd7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bxf6 Qxf6 e3 Nd7")
  ("D43u" "Semi-Slav: Moscow, 7.e3 Nd7 8.Bd3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bxf6 Qxf6 e3 Nd7 Bd3")
  ("D43v" "Semi-Slav: Moscow, 7.e3 Nd7 8.Bd3 dxc4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bxf6 Qxf6 e3 Nd7 Bd3 dxc4")
  ("D43v" "Semi-Slav: Moscow, Main Line" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bxf6 Qxf6 e3 Nd7 Bd3 dxc4 Bxc4 g6")
  ("D43v" "Semi-Slav: Moscow, Main Line" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bxf6 Qxf6 e3 Nd7 Bd3 dxc4 Bxc4 g6 O-O")
  ("D43v" "Semi-Slav: Moscow, Main Line" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bxf6 Qxf6 e3 Nd7 Bd3 dxc4 Bxc4 g6 O-O Bg7")
  ("D43w" "Semi-Slav: Moscow, Main Line, 11.b4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bxf6 Qxf6 e3 Nd7 Bd3 dxc4 Bxc4 g6 O-O Bg7 b4")
  ("D43x" "Semi-Slav: Moscow, Main Line, 11.Rc1" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 h6 Bxf6 Qxf6 e3 Nd7 Bd3 dxc4 Bxc4 g6 O-O Bg7 Rc1")
  ("D44a" "Semi-Slav: Botvinnik Accepted" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4")
  ("D44b" "Semi-Slav: Botvinnik, 6.a4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 a4")
  ("D44c" "Semi-Slav: Botvinnik, 6.e4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 e4")
  ("D44c" "Semi-Slav: Botvinnik, 6.e4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 e4 b5")
  ("D44d" "Semi-Slav: Botvinnik, 7.a4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 e4 b5 a4")
  ("D44e" "Semi-Slav: Botvinnik, 7.e5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 e4 b5 e5")
  ("D44f" "Semi-Slav: Botvinnik, 9.exf6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 exf6")
  ("D44g" "Semi-Slav: Botvinnik, Ekstrom Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 exf6 gxh4 Ne5")
  ("D44h" "Semi-Slav: Botvinnik, 9.Nxg5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5")
  ("D44i" "Semi-Slav: Botvinnik, Alatortsev Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5 Nd5")
  ("D44j" "Semi-Slav: Botvinnik, 9.Nxg5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5 hxg5")
  ("D44k" "Semi-Slav: Botvinnik, Lilienthal Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5 hxg5 Bxg5 Nbd7 g3")
  ("D44l" "Semi-Slav: Botvinnik, Lilienthal, 11...Qa5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5 hxg5 Bxg5 Nbd7 g3 Qa5")
  ("D44m" "Semi-Slav: Botvinnik, Lilienthal, 11...Bb7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5 hxg5 Bxg5 Nbd7 g3 Bb7")
  ("D44n" "Semi-Slav: Botvinnik, Szabo Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5 hxg5 Bxg5 Nbd7 Qf3")
  ("D44o" "Semi-Slav: Botvinnik, Main Line" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5 hxg5 Bxg5 Nbd7 exf6")
  ("D44p" "Semi-Slav: Botvinnik, Main Line, 12.g3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5 hxg5 Bxg5 Nbd7 exf6 Bb7 g3")
  ("D44q" "Semi-Slav: Botvinnik, Main Line, 12.g3 c5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5 hxg5 Bxg5 Nbd7 exf6 Bb7 g3 c5")
  ("D44r" "Semi-Slav: Botvinnik, Main Line, 12.g3 c5 13.d5 Qb6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 Bg5 dxc4 e4 b5 e5 h6 Bh4 g5 Nxg5 hxg5 Bxg5 Nbd7 exf6 Bb7 g3 c5 d5 Qb6")
  ("D45a" "Semi-Slav: 5.e3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3")
  ("D45b" "Semi-Slav: 5.e3 Bd6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Bd6")
  ("D45c" "Semi-Slav: 5.e3 Be7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Be7")
  ("D45d" "Semi-Slav: 5.e3 Ne4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Ne4")
  ("D45d" "Semi-Slav: Stonewall Defence" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Ne4 Bd3 f5")
  ("D45e" "Semi-Slav: Accelerated Meran (Alekhine Variation)" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 a6")
  ("D45f" "Semi-Slav: 5.e3 Nbd7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7")
  ("D45f" "Semi-Slav: Rubinstein System" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Ne5")
  ("D45g" "Semi-Slav: 6.a3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 a3")
  ("D45h" "Semi-Slav: 6.Qc2" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2")
  ("D45i" "Semi-Slav: 6.Qc2 b6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 b6")
  ("D45j" "Semi-Slav: 6.Qc2 Be7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 Be7")
  ("D45k" "Semi-Slav: 6.Qc2 Bd6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 Bd6")
  ("D45k" "Semi-Slav: 6.Qc2 Bd6 7.e4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 Bd6 e4")
  ("D45l" "Semi-Slav: 6.Qc2 Bd6 7.g4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 Bd6 g4")
  ("D45l" "Semi-Slav: 6.Qc2 Bd6 7.g4 h6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 Bd6 g4 h6")
  ("D45m" "Semi-Slav: 6.Qc2 Bd6 7.g4 dxc4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 Bd6 g4 dxc4")
  ("D45n" "Semi-Slav: 6.Qc2 Bd6 7.g4 Bb4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 Bd6 g4 Bb4")
  ("D45o" "Semi-Slav: 6.Qc2 Bd6 7.g4 Nxg4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 Bd6 g4 Nxg4")
  ("D45p" "Semi-Slav: 6.Qc2 Bd6 7.b3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 Bd6 b3")
  ("D45p" "Semi-Slav: 6.Qc2 Bd6 7.b3 O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 Bd6 b3 O-O")
  ("D45q" "Semi-Slav: 6.Qc2 Bd6 7.b3 O-O 8.Bb2" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 Bd6 b3 O-O Bb2")
  ("D45r" "Semi-Slav: 6.Qc2 Bd6 7.b3 O-O 8.Be2" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 Bd6 b3 O-O Be2")
  ("D45s" "Semi-Slav: 6.Qc2 Bd6 7.b3 O-O 8.Be2 b6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 Bd6 b3 O-O Be2 b6")
  ("D45t" "Semi-Slav: 6.Qc2 Bd6 7.b3 O-O 8.Be2 Re8" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 Bd6 b3 O-O Be2 Re8")
  ("D45u" "Semi-Slav: 6.Qc2 Bd6 7.Bd2" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 Bd6 Bd2")
  ("D45v" "Semi-Slav: 6.Qc2 Bd6 7.Be2" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 Bd6 Be2")
  ("D45v" "Semi-Slav: 6.Qc2 Bd6 7.Be2 O-O 8.O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 Bd6 Be2 O-O O-O")
  ("D45w" "Semi-Slav: 6.Qc2 Bd6 7.Be2 O-O 8.O-O e5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 Bd6 Be2 O-O O-O e5")
  ("D45x" "Semi-Slav: 6.Qc2 Bd6 7.Be2 O-O 8.O-O Qe7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 Bd6 Be2 O-O O-O Qe7")
  ("D45y" "Semi-Slav: 6.Qc2 Bd6 7.Be2 O-O 8.O-O Re8" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Qc2 Bd6 Be2 O-O O-O Re8")
  ("D46a" "Semi-Slav: 6.Bd3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3")
  ("D46a" "Semi-Slav: 6.Bd3 a6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 a6")
  ("D46b" "Semi-Slav: Romih Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bb4")
  ("D46b" "Semi-Slav: Romih, 7.O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bb4 O-O")
  ("D46b" "Semi-Slav: Romih, 7.O-O O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bb4 O-O O-O")
  ("D46c" "Semi-Slav: Bogoljubow Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Be7")
  ("D46c" "Semi-Slav: Bogoljubow, 7.O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Be7 O-O")
  ("D46c" "Semi-Slav: Bogoljubow, 7.O-O O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Be7 O-O O-O")
  ("D46d" "Semi-Slav: Bogoljubow, 7.O-O O-O 8.b3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Be7 O-O O-O b3")
  ("D46e" "Semi-Slav: Chigorin Defence" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6")
  ("D46e" "Semi-Slav: Chigorin, 7.e4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 e4")
  ("D46e" "Semi-Slav: Chigorin, 7.e4 dxe4 8.Nxe4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 e4 dxe4 Nxe4")
  ("D46f" "Semi-Slav: Chigorin, 7.Qc2" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 Qc2")
  ("D46g" "Semi-Slav: Chigorin, 7.Qc2 dxc4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 Qc2 dxc4")
  ("D46g" "Semi-Slav: Chigorin, 7.Qc2 dxc4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 Qc2 dxc4 Bxc4")
  ("D46h" "Semi-Slav: Chigorin, 7.Qc2 O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 Qc2 O-O")
  ("D46i" "Semi-Slav: Chigorin, 7.Qc2 Main Line" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 Qc2 O-O O-O dxc4 Bxc4")
  ("D46i" "Semi-Slav: Chigorin, 7.Qc2 Main Line, 9...e5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 Qc2 O-O O-O dxc4 Bxc4 e5")
  ("D46j" "Semi-Slav: Chigorin, 7.Qc2 Main Line, 9...Qe7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 Qc2 O-O O-O dxc4 Bxc4 Qe7")
  ("D46j" "Semi-Slav: Chigorin, 7.Qc2 Main Line, 9...Qe7 10.Bd2" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 Qc2 O-O O-O dxc4 Bxc4 Qe7 Bd2")
  ("D46j" "Semi-Slav: Chigorin, 7.Qc2 Main Line, 9...Qe7 10.a3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 Qc2 O-O O-O dxc4 Bxc4 Qe7 a3")
  ("D46j" "Semi-Slav: Chigorin, 7.Qc2 Main Line, 9...Qe7 10.h3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 Qc2 O-O O-O dxc4 Bxc4 Qe7 h3")
  ("D46k" "Semi-Slav: Chigorin, 7.Qc2 Main Line, 9...a6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 Qc2 O-O O-O dxc4 Bxc4 a6")
  ("D46k" "Semi-Slav: Chigorin, 7.Qc2 Main Line, 9...a6 10.Rd1" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 Qc2 O-O O-O dxc4 Bxc4 a6 Rd1")
  ("D46k" "Semi-Slav: Chigorin, 7.Qc2 Main Line, 9...a6 10.Rd1 b5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 Qc2 O-O O-O dxc4 Bxc4 a6 Rd1 b5")
  ("D46l" "Semi-Slav: Chigorin, 7.Qc2 Main Line, 9...b5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 Qc2 O-O O-O dxc4 Bxc4 b5")
  ("D46m" "Semi-Slav: Chigorin, 7.Qc2 Main Line, 9...b5 10.Be2" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 Qc2 O-O O-O dxc4 Bxc4 b5 Be2")
  ("D46m" "Semi-Slav: Chigorin, 7.Qc2 Main Line, 9...b5 10.Be2 Bb7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 Qc2 O-O O-O dxc4 Bxc4 b5 Be2 Bb7")
  ("D46m" "Semi-Slav: Chigorin, 7.Qc2 Main Line, 9...b5 10.Be2 Bb7 11.Rd1" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 Qc2 O-O O-O dxc4 Bxc4 b5 Be2 Bb7 Rd1")
  ("D46n" "Semi-Slav: Chigorin, 7.O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 O-O")
  ("D46o" "Semi-Slav: Chigorin, 7.O-O O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 O-O O-O")
  ("D46p" "Semi-Slav: Chigorin, 7.O-O O-O 8.e4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 O-O O-O e4")
  ("D46p" "Semi-Slav: Chigorin, 7.O-O O-O 8.e4 dxc4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 O-O O-O e4 dxc4")
  ("D46p" "Semi-Slav: Chigorin, 7.O-O O-O 8.e4 dxc4 9.Bxc4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 O-O O-O e4 dxc4 Bxc4")
  ("D46p" "Semi-Slav: Chigorin, 7.O-O O-O 8.e4 dxc4 9.Bxc4 e5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 O-O O-O e4 dxc4 Bxc4 e5")
  ("D46q" "Semi-Slav: Chigorin, Main Line" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 O-O O-O e4 dxe4")
  ("D46q" "Semi-Slav: Chigorin, Main Line" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 O-O O-O e4 dxe4 Nxe4")
  ("D46q" "Semi-Slav: Chigorin, Main Line" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 O-O O-O e4 dxe4 Nxe4 Nxe4 Bxe4")
  ("D46r" "Semi-Slav: Chigorin, Main Line, 10...h6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 O-O O-O e4 dxe4 Nxe4 Nxe4 Bxe4 h6")
  ("D46r" "Semi-Slav: Chigorin, Main Line, 10...h6 11.Bc2" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 O-O O-O e4 dxe4 Nxe4 Nxe4 Bxe4 h6 Bc2")
  ("D46r" "Semi-Slav: Chigorin, Main Line, 10...h6 11.Bc2 e5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 Bd6 O-O O-O e4 dxe4 Nxe4 Nxe4 Bxe4 h6 Bc2 e5")
  ("D47a" "Semi-Slav: Meran Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4")
  ("D47a" "Semi-Slav: Meran Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4")
  ("D47a" "Semi-Slav: Meran, 7...b5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5")
  ("D47b" "Semi-Slav: Meran, Freymann Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bb3")
  ("D47c" "Semi-Slav: Meran, Freymann, 8...b4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bb3 b4")
  ("D47d" "Semi-Slav: Meran, Capablanca Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Be2")
  ("D47d" "Semi-Slav: Meran, Capablanca, 8...b4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Be2 b4")
  ("D47e" "Semi-Slav: Meran, Capablanca, 8...a6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Be2 a6")
  ("D47f" "Semi-Slav: Meran, Capablanca, 8...Bb7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Be2 Bb7")
  ("D47f" "Semi-Slav: Meran, Capablanca, 8...Bb7 9.O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Be2 Bb7 O-O")
  ("D47g" "Semi-Slav: Meran, Capablanca, 8...Bb7 9.O-O a6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Be2 Bb7 O-O a6")
  ("D47h" "Semi-Slav: Meran, 8.Bd3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3")
  ("D47h" "Semi-Slav: Meran, 8.Bd3 Bd6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bd6")
  ("D47i" "Semi-Slav: Meran, Lundin Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 b4")
  ("D47i" "Semi-Slav: Meran, Lundin, 9.Na4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 b4 Na4")
  ("D47j" "Semi-Slav: Meran, Lundin, 9.Ne4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 b4 Ne4")
  ("D47k" "Semi-Slav: Meran, Lundin, 9.Ne4 Nxe4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 b4 Ne4 Nxe4")
  ("D47l" "Semi-Slav: Meran, Lundin, 9.Ne4 Be7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 b4 Ne4 Be7")
  ("D47l" "Semi-Slav: Meran, Lundin, 9.Ne4 Be7 10.O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 b4 Ne4 Be7 O-O")
  ("D47m" "Semi-Slav: Meran, Wade Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7")
  ("D47m" "Semi-Slav: Meran, Wade, 9.a3" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 a3")
  ("D47n" "Semi-Slav: Meran, Wade, 9.O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 O-O")
  ("D47n" "Semi-Slav: Meran, Wade, 9.O-O b4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 O-O b4")
  ("D47o" "Semi-Slav: Meran, Wade, 9.O-O b4 10.Ne4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 O-O b4 Ne4")
  ("D47o" "Semi-Slav: Meran, Wade, 9.O-O b4 10.Ne4 Be7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 O-O b4 Ne4 Be7")
  ("D47p" "Semi-Slav: Meran, Wade, 9.O-O b4 10.Ne4 Be7 11.Nxf6+" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 O-O b4 Ne4 Be7 Nxf6+")
  ("D47p" "Semi-Slav: Meran, Wade, 9.O-O b4 10.Ne4 Be7 11.Nxf6+ Nxf6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 O-O b4 Ne4 Be7 Nxf6+ Nxf6")
  ("D47p" "Semi-Slav: Meran, Wade, 9.O-O b4 10.Ne4 Be7 11.Nxf6+ Nxf6 12.e4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 O-O b4 Ne4 Be7 Nxf6+ Nxf6 e4")
  ("D47q" "Semi-Slav: Meran, Wade, 9.e4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 e4")
  ("D47r" "Semi-Slav: Meran, Wade, Main Line" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 e4 b4 Na4 c5 e5 Nd5")
  ("D47s" "Semi-Slav: Meran, Wade, Main Line, 12.Nxc5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 e4 b4 Na4 c5 e5 Nd5 Nxc5")
  ("D47t" "Semi-Slav: Meran, Wade, Main Line, 12.O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 Bb7 e4 b4 Na4 c5 e5 Nd5 O-O")
  ("D48a" "Semi-Slav: Meran, 8...a6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6")
  ("D48b" "Semi-Slav: Meran, 8...a6 9.a4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 a4")
  ("D48c" "Semi-Slav: Meran, 8...a6 9.O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 O-O")
  ("D48c" "Semi-Slav: Meran, 8...a6 9.O-O c5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 O-O c5")
  ("D48d" "Semi-Slav: Meran, 8...a6 9.O-O c5 10.Qe2" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 O-O c5 Qe2")
  ("D48e" "Semi-Slav: Meran, 8...a6 9.O-O Bb7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 O-O Bb7")
  ("D48f" "Semi-Slav: Meran, 8...a6 9.O-O Bb7 10.e4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 O-O Bb7 e4")
  ("D48f" "Semi-Slav: Meran, 8...a6 9.O-O Bb7 10.e4 c5 11.d5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 O-O Bb7 e4 c5 d5")
  ("D48g" "Semi-Slav: Meran, 8...a6 9.O-O Bb7 10.e4 c5 11.d5 Qc7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 O-O Bb7 e4 c5 d5 Qc7")
  ("D48g" "Semi-Slav: Meran, 8...a6 9.O-O Bb7 10.e4 c5 11.d5 Qc7 12.dxe6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 O-O Bb7 e4 c5 d5 Qc7 dxe6")
  ("D48g" "Semi-Slav: Meran, 8...a6 9.O-O Bb7 10.e4 c5 11.d5 Qc7 12.dxe6 fxe6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 O-O Bb7 e4 c5 d5 Qc7 dxe6 fxe6")
  ("D48h" "Semi-Slav: Meran, 8...a6 9.e4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4")
  ("D48i" "Semi-Slav: Meran, 8...a6 9.e4 Bb7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 Bb7")
  ("D48j" "Semi-Slav: Meran, Pirc Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 b4")
  ("D48k" "Semi-Slav: Meran, 8...a6 9.e4 c5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5")
  ("D48l" "Semi-Slav: Meran, Reynolds Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 d5")
  ("D48m" "Semi-Slav: Meran, Reynolds, 10...e5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 d5 e5")
  ("D48n" "Semi-Slav: Meran, Reynolds, 10...Qc7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 d5 Qc7")
  ("D48o" "Semi-Slav: Meran, Reynolds, 10...c4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 d5 c4")
  ("D48p" "Semi-Slav: Meran, Reynolds, 10...c4 11.dxe6 fxe6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 d5 c4 dxe6 fxe6")
  ("D48p" "Semi-Slav: Meran, Reynolds, 10...c4 11.dxe6 fxe6 12.Bc2" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 d5 c4 dxe6 fxe6 Bc2")
  ("D48p" "Semi-Slav: Meran, Reynolds, 10...c4 11.dxe6 fxe6 12.Bc2 Qc7" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 d5 c4 dxe6 fxe6 Bc2 Qc7")
  ("D48p" "Semi-Slav: Meran, Reynolds, 10...c4 11.dxe6 fxe6 12.Bc2 Qc7 13.O-O" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 d5 c4 dxe6 fxe6 Bc2 Qc7 O-O")
  ("D48q" "Semi-Slav: Meran, Old Main Line" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 e5")
  ("D48r" "Semi-Slav: Meran, Rabinovich Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 e5 Ng4")
  ("D48s" "Semi-Slav: Meran, Old Main Line, 10...cxd4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 e5 cxd4")
  ("D49a" "Semi-Slav: Meran, Blumenfeld Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 e5 cxd4 Nxb5")
  ("D49b" "Semi-Slav: Meran, Old Main Line, Gligoric Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 e5 cxd4 Nxb5 Ng4")
  ("D49c" "Semi-Slav: Meran, Old Main Line, Gligoric, 12.Qa4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 e5 cxd4 Nxb5 Ng4 Qa4")
  ("D49d" "Semi-Slav: Meran, Trifunovic Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 e5 cxd4 Nxb5 Ng4 Qa4 Ngxe5")
  ("D49e" "Semi-Slav: Meran, Sozin Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 e5 cxd4 Nxb5 Nxe5")
  ("D49f" "Semi-Slav: Meran, Sozin, Rellstab Attack" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 e5 cxd4 Nxb5 Nxe5 Nxe5 axb5 O-O")
  ("D49g" "Semi-Slav: Meran, Sozin, Stahlberg Attack" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 e5 cxd4 Nxb5 Nxe5 Nxe5 axb5 Qf3")
  ("D49g" "Semi-Slav: Meran, Sozin, Stahlberg Attack, 13...Bb4" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 e5 cxd4 Nxb5 Nxe5 Nxe5 axb5 Qf3 Bb4")
  ("D49h" "Semi-Slav: Meran, Sozin, 13.Bxb5+" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 e5 cxd4 Nxb5 Nxe5 Nxe5 axb5 Bxb5+")
  ("D49i" "Semi-Slav: Meran, Old Main Line, 11.Nxb5 axb5" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 e5 cxd4 Nxb5 axb5")
  ("D49j" "Semi-Slav: Meran, Old Main Line, Botvinnik Variation" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 e5 cxd4 Nxb5 axb5 exf6 Qb6")
  ("D49k" "Semi-Slav: Meran, Old Main Line, 11.Nxb5 axb5 12.exf6 gxf6" "d4 d5 c4 e6 Nc3 Nf6 Nf3 c6 e3 Nbd7 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4 c5 e5 cxd4 Nxb5 axb5 exf6 gxf6")
  ("D50" "QGD: 4.Bg5" "d4 d5 c4 e6 Nc3 Nf6 Bg5")
  ("D50" "QGD: 4.Bg5 c6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 c6")
  ("D50" "QGD: 4.Bg5 dxc4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 dxc4")
  ("D50" "QGD: 4.Bg5 Bb4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Bb4")
  ("D50" "QGD: Dutch-Peruvian Gambit" "d4 d5 c4 e6 Nc3 Nf6 Bg5 c5")
  ("D50" "QGD: Dutch-Peruvian, 5.e3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 c5 e3")
  ("D50" "QGD: Semi-Tarrasch, Pillsbury Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 c5 Nf3")
  ("D50" "QGD: Semi-Tarrasch, Old Pillsbury Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 c5 Nf3 cxd4 Qxd4")
  ("D50" "QGD: Semi-Tarrasch, Pillsbury, 6.Nxd4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 c5 Nf3 cxd4 Nxd4")
  ("D50" "QGD: Semi-Tarrasch, Pillsbury, 6.Nxd4 e5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 c5 Nf3 cxd4 Nxd4 e5")
  ("D50" "QGD: Semi-Tarrasch, Pillsbury, Krause Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 c5 Nf3 cxd4 Nxd4 e5 Ndb5 a6 Qa4")
  ("D50" "QGD: Dutch-Peruvian, 5.cxd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 c5 cxd5")
  ("D50" "QGD: Dutch-Peruvian, Canal (Venice) Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 c5 cxd5 Qb6")
  ("D50" "QGD: Dutch-Peruvian, Prins Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 c5 cxd5 cxd4")
  ("D50" "QGD: Dutch-Peruvian, Prins, 6.Qxd4 Be7 7.e4 Nc6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 c5 cxd5 cxd4 Qxd4 Be7 e4 Nc6")
  ("D50" "QGD: Dutch-Peruvian, Prins, 6.Qxd4 Be7 7.e4 Nc6 8.Qd2" "d4 d5 c4 e6 Nc3 Nf6 Bg5 c5 cxd5 cxd4 Qxd4 Be7 e4 Nc6 Qd2")
  ("D51" "QGD: 4.Bg5 Nbd7" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7")
  ("D51" "QGD: 4.Bg5 Nbd7 5.Nf3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 Nf3")
  ("D51" "QGD: 4.Bg5 Nbd7 5.Nf3 c6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 Nf3 c6")
  ("D51" "QGD: Rochlin Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 Nf3 c6 Rc1 Qa5 Bd2")
  ("D51" "QGD: Alekhine 4.Bg5 Nbd7 5.Nf3 c6 6.e4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 Nf3 c6 e4")
  ("D51" "QGD: 4.Bg5 Nbd7 5.e3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3")
  ("D51" "QGD: Manhattan Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 Bb4")
  ("D51" "QGD: 4.Bg5 Nbd7 5.e3 c6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 c6")
  ("D51" "QGD: Capablanca's Anti-Cambridge Springs" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 c6 a3")
  ("D51" "QGD: 4.Bg5 Nbd7 5.e3 c6 6.cxd5 cxd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 c6 cxd5 cxd5")
  ("D51" "QGD: 4.Bg5 Nbd7 5.e3 c6 6.Qc2" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 c6 Qc2")
  ("D52a" "QGD: 4.Bg5 Nbd7 5.e3 c6 6.Nf3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 c6 Nf3")
  ("D52b" "QGD: Cambridge Springs Defence" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 c6 Nf3 Qa5")
  ("D52c" "QGD: Cambridge Springs, Capablanca Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 c6 Nf3 Qa5 Bxf6")
  ("D52d" "QGD: Cambridge Springs, 7.cxd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 c6 Nf3 Qa5 cxd5")
  ("D52e" "QGD: Cambridge Springs, Yugoslav Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 c6 Nf3 Qa5 cxd5 Nxd5")
  ("D52f" "QGD: Cambridge Springs, Yugoslav, 8.Qd2" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 c6 Nf3 Qa5 cxd5 Nxd5 Qd2")
  ("D52g" "QGD: Cambridge Springs, 7.Nd2" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 c6 Nf3 Qa5 Nd2")
  ("D52h" "QGD: Cambridge Springs, Rubinstein Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 c6 Nf3 Qa5 Nd2 dxc4")
  ("D52i" "QGD: Cambridge Springs, Bogoljubow Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 c6 Nf3 Qa5 Nd2 Bb4")
  ("D52j" "QGD: Cambridge Springs, Bogoljubow, 8.Qc2" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 c6 Nf3 Qa5 Nd2 Bb4 Qc2")
  ("D52k" "QGD: Cambridge Springs, 8.Qc2 dxc4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 c6 Nf3 Qa5 Nd2 Bb4 Qc2 dxc4")
  ("D52l" "QGD: Cambridge Springs, 8.Qc2 O-O" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 c6 Nf3 Qa5 Nd2 Bb4 Qc2 O-O")
  ("D52m" "QGD: Cambridge Springs, Argentine Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 c6 Nf3 Qa5 Nd2 Bb4 Qc2 O-O Bh4")
  ("D52n" "QGD: Cambridge Springs, 8.Qc2 O-O 9.Be2" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 c6 Nf3 Qa5 Nd2 Bb4 Qc2 O-O Be2")
  ("D52o" "QGD: Cambridge Springs, 8.Qc2 O-O 9.Be2 e5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Nbd7 e3 c6 Nf3 Qa5 Nd2 Bb4 Qc2 O-O Be2 e5")
  ("D53a" "QGD: 4.Bg5 Be7" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7")
  ("D53b" "QGD: 4.Bg5 Be7 5.cxd5 Nxd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 cxd5 Nxd5")
  ("D53c" "QGD: 4.Bg5 Be7 5.Nf3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 Nf3")
  ("D53d" "QGD: 4.Bg5 Be7 5.Nf3 h6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 Nf3 h6")
  ("D53e" "QGD: 4.Bg5 Be7 5.Nf3 h6 6.Bxf6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 Nf3 h6 Bxf6")
  ("D53f" "QGD: 4.Bg5 Be7 5.Nf3 h6 6.Bxf6 Bxf6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 Nf3 h6 Bxf6 Bxf6")
  ("D53g" "QGD: 4.Bg5 Be7 5.Nf3 h6 6.Bxf6 Bxf6 7.e3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 Nf3 h6 Bxf6 Bxf6 e3")
  ("D53h" "QGD: 4.Bg5 Be7 5.Nf3 h6 6.Bh4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 Nf3 h6 Bh4")
  ("D53i" "QGD: 4.Bg5 Be7 5.Nf3 h6 6.Bh4 O-O" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 Nf3 h6 Bh4 O-O")
  ("D53j" "QGD: 4.Bg5 Be7 5.Nf3 h6 6.Bh4 O-O 7.Qc2" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 Nf3 h6 Bh4 O-O Qc2")
  ("D53k" "QGD: 4.Bg5 Be7 5.Nf3 h6 6.Bh4 O-O 7.Rc1" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 Nf3 h6 Bh4 O-O Rc1")
  ("D53l" "QGD: 4.Bg5 Be7 5.Nf3 O-O" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 Nf3 O-O")
  ("D53m" "QGD: 4.Bg5 Be7 5.Nf3 O-O 6.Qc2" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 Nf3 O-O Qc2")
  ("D53n" "QGD: 4.Bg5 Be7 5.Nf3 O-O 6.Qc2 Nbd7" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 Nf3 O-O Qc2 Nbd7")
  ("D53o" "QGD: 4.Bg5 Be7 5.Nf3 O-O 6.Qc2 c5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 Nf3 O-O Qc2 c5")
  ("D53p" "QGD: 4.Bg5 Be7 5.e3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3")
  ("D53q" "QGD: Early Lasker Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 Ne4")
  ("D53r" "QGD: 4.Bg5 Be7 5.e3 Nbd7" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 Nbd7")
  ("D53s" "QGD: 4.Bg5 Be7 5.e3 Nbd7 6.Nf3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 Nbd7 Nf3")
  ("D53t" "QGD: 4.Bg5 Be7 5.e3 h6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 h6")
  ("D53u" "QGD: 4.Bg5 Be7 5.e3 O-O" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O")
  ("D53v" "QGD: 4.Bg5 Be7 5.e3 O-O 6.Qc2" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Qc2")
  ("D53v" "QGD: 4.Bg5 Be7 5.e3 O-O 6.Qc2 c5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Qc2 c5")
  ("D54a" "QGD: Anti-Neo-Orthodox Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Rc1")
  ("D54b" "QGD: Anti-Neo-Orthodox Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Rc1 h6 Bh4")
  ("D54c" "QGD: Anti-Neo-Orthodox, 7.Bh4 b6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Rc1 h6 Bh4 b6")
  ("D54c" "QGD: Anti-Neo-Orthodox, 8.cxd5 Nxd5 9.Nxd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Rc1 h6 Bh4 b6 cxd5 Nxd5 Nxd5")
  ("D54d" "QGD: Anti-Neo-Orthodox, Main Line" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Rc1 h6 Bh4 b6 cxd5 Nxd5 Nxd5 exd5 Bxe7 Qxe7")
  ("D54e" "QGD: Anti-Neo-Orthodox, Main Line, 11.Be2" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Rc1 h6 Bh4 b6 cxd5 Nxd5 Nxd5 exd5 Bxe7 Qxe7 Be2")
  ("D55a" "QGD: 6.Nf3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3")
  ("D55b" "QGD: Lasker without ...h6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Ne4")
  ("D55c" "QGD: 6.Nf3 b6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 b6")
  ("D55d" "QGD: 6.Nf3 b6 7.Be2" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 b6 Be2")
  ("D55e" "QGD: 6.Nf3 b6 7.cxd5 exd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 b6 cxd5 exd5")
  ("D55f" "QGD: 6.Nf3 b6 7.cxd5 Nxd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 b6 cxd5 Nxd5")
  ("D55g" "QGD: Neo-Orthodox Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6")
  ("D55h" "QGD: Neo-Orthodox, 7.Bxf6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bxf6")
  ("D55i" "QGD: Neo-Orthodox, 7.Bxf6 Bxf6 8.Qb3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bxf6 Bxf6 Qb3")
  ("D55j" "QGD: Neo-Orthodox, Gligoric Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bxf6 Bxf6 Rc1")
  ("D55k" "QGD: Neo-Orthodox, Petrosian Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bxf6 Bxf6 Rc1 c6 Bd3 Nd7 O-O dxc4 Bxc4")
  ("D56" "QGD: Neo-Orthodox, 7.Bh4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4")
  ("D56" "QGD: Lasker Defence" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 Ne4")
  ("D56" "QGD: Lasker Defence, 9.Nxe4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 Ne4 Bxe7 Qxe7 Nxe4")
  ("D56" "QGD: Lasker Defence, Teichmann Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 Ne4 Bxe7 Qxe7 Qc2")
  ("D56" "QGD: Lasker Defence, Teichmann, 9...c6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 Ne4 Bxe7 Qxe7 Qc2 c6")
  ("D56" "QGD: Lasker Defence, Teichmann, 9...Nxc3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 Ne4 Bxe7 Qxe7 Qc2 Nxc3")
  ("D56" "QGD: Lasker Defence, 9.Rc1" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 Ne4 Bxe7 Qxe7 Rc1")
  ("D56" "QGD: Lasker Defence, 9.Rc1 c6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 Ne4 Bxe7 Qxe7 Rc1 c6")
  ("D56" "QGD: Lasker Defence, 9.Rc1 c6 10.Bd3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 Ne4 Bxe7 Qxe7 Rc1 c6 Bd3")
  ("D57" "QGD: Lasker Defence, Main Line" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 Ne4 Bxe7 Qxe7 cxd5")
  ("D57" "QGD: Lasker Defence, Main Line" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 Ne4 Bxe7 Qxe7 cxd5 Nxc3")
  ("D57" "QGD: Lasker Defence, Main Line" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 Ne4 Bxe7 Qxe7 cxd5 Nxc3 bxc3")
  ("D57" "QGD: Lasker Defence, Main Line" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 Ne4 Bxe7 Qxe7 cxd5 Nxc3 bxc3 exd5")
  ("D57" "QGD: Lasker Defence, Main Line, 11.Qb3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 Ne4 Bxe7 Qxe7 cxd5 Nxc3 bxc3 exd5 Qb3")
  ("D57" "QGD: Lasker Defence, Main Line, Bernstein Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 Ne4 Bxe7 Qxe7 cxd5 Nxc3 bxc3 exd5 Qb3 Qd6")
  ("D57" "QGD: Lasker Defence, Main Line, Bernstein, 12.c4 dxc4 13.Bxc4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 Ne4 Bxe7 Qxe7 cxd5 Nxc3 bxc3 exd5 Qb3 Qd6 c4 dxc4 Bxc4")
  ("D57" "QGD: Lasker Defence, Main Line, 11.Qb3 Rd8" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 Ne4 Bxe7 Qxe7 cxd5 Nxc3 bxc3 exd5 Qb3 Rd8")
  ("D58a" "QGD: Tartakower System" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6")
  ("D58b" "QGD: Tartakower, 8.Qb3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Qb3")
  ("D58c" "QGD: Tartakower, 8.Qc2" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Qc2")
  ("D58d" "QGD: Tartakower, 8.Bxf6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Bxf6")
  ("D58e" "QGD: Tartakower, 8.Bd3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Bd3")
  ("D58f" "QGD: Tartakower, 8.Bd3 Bb7" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Bd3 Bb7")
  ("D58g" "QGD: Tartakower, 8.Bd3 Bb7 9.O-O" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Bd3 Bb7 O-O")
  ("D58h" "QGD: Tartakower, 8.Bd3 Bb7 9.O-O Nbd7" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Bd3 Bb7 O-O Nbd7")
  ("D58h" "QGD: Tartakower, 8.Bd3 Bb7 9.O-O Nbd7 10.Bg3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Bd3 Bb7 O-O Nbd7 Bg3")
  ("D58h" "QGD: Tartakower, 8.Bd3 Bb7 9.O-O Nbd7 10.Rc1" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Bd3 Bb7 O-O Nbd7 Rc1")
  ("D58h" "QGD: Tartakower, 8.Bd3 Bb7 9.O-O Nbd7 10.Rc1 c5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Bd3 Bb7 O-O Nbd7 Rc1 c5")
  ("D58i" "QGD: Tartakower, 8.Bd3 Bb7 9.O-O Nbd7 10.Qe2" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Bd3 Bb7 O-O Nbd7 Qe2")
  ("D58j" "QGD: Tartakower, 8.Bd3 Bb7 9.O-O Nbd7 10.Qe2 c5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Bd3 Bb7 O-O Nbd7 Qe2 c5")
  ("D58j" "QGD: Tartakower, 8.Bd3 Bb7 9.O-O Nbd7 10.Qe2 c5 11.Bg3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Bd3 Bb7 O-O Nbd7 Qe2 c5 Bg3")
  ("D58j" "QGD: Tartakower, 8.Bd3 Bb7 9.O-O Nbd7 10.Qe2 c5 11.Rfd1" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Bd3 Bb7 O-O Nbd7 Qe2 c5 Rfd1")
  ("D58k" "QGD: Tartakower, 8.Be2" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Be2")
  ("D58k" "QGD: Tartakower, 8.Be2 Bb7" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Be2 Bb7")
  ("D58l" "QGD: Tartakower, 8.Be2 Bb7 9.Bxf6 Bxf6 10.cxd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Be2 Bb7 Bxf6 Bxf6 cxd5")
  ("D58l" "QGD: Tartakower, 8.Be2 Bb7 9.Bxf6 Bxf6 10.cxd5 exd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Be2 Bb7 Bxf6 Bxf6 cxd5 exd5")
  ("D58m" "QGD: Tartakower, 8.Be2 Bb7 9.Bxf6 Bxf6 10.cxd5 exd5 11.O-O" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Be2 Bb7 Bxf6 Bxf6 cxd5 exd5 O-O")
  ("D58n" "QGD: Tartakower, 8.Be2 Bb7 9.Bxf6 Bxf6 10.cxd5 exd5 11.b4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Be2 Bb7 Bxf6 Bxf6 cxd5 exd5 b4")
  ("D58n" "QGD: Tartakower, 8.Be2 Bb7 9.Bxf6 Bxf6 10.cxd5 exd5 11.b4 c5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Be2 Bb7 Bxf6 Bxf6 cxd5 exd5 b4 c5")
  ("D58o" "QGD: Tartakower, 8.Be2 Bb7 9.Bxf6 Bxf6 10.cxd5 exd5 11.b4 c6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Be2 Bb7 Bxf6 Bxf6 cxd5 exd5 b4 c6")
  ("D58o" "QGD: Tartakower, 8.Be2 Bb7 9.Bxf6 Bxf6 10.cxd5 exd5 11.b4 c6 12.O-O" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Be2 Bb7 Bxf6 Bxf6 cxd5 exd5 b4 c6 O-O")
  ("D58p" "QGD: Tartakower, 8.Rc1" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Rc1")
  ("D58p" "QGD: Tartakower, 8.Rc1 Bb7" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Rc1 Bb7")
  ("D58q" "QGD: Tartakower, 8.Rc1 Bb7 9.cxd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Rc1 Bb7 cxd5")
  ("D58q" "QGD: Tartakower, 8.Rc1 Bb7 9.cxd5 exd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Rc1 Bb7 cxd5 exd5")
  ("D58r" "QGD: Tartakower, 8.Rc1 Bb7 9.Bxf6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Rc1 Bb7 Bxf6")
  ("D58r" "QGD: Tartakower, 8.Rc1 Bb7 9.Bxf6 Bxf6 10.cxd5 exd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 Rc1 Bb7 Bxf6 Bxf6 cxd5 exd5")
  ("D58s" "QGD: Tartakower, 8.cxd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 cxd5")
  ("D58s" "QGD: Tartakower, 8.cxd5 exd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 cxd5 exd5")
  ("D58t" "QGD: Tartakower, 8.cxd5 exd5 9.Bd3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 cxd5 exd5 Bd3")
  ("D59a" "QGD: Tartakower, 8.cxd5 Nxd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 cxd5 Nxd5")
  ("D59b" "QGD: Tartakower, 8.cxd5 Nxd5 9.Nxd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 cxd5 Nxd5 Nxd5")
  ("D59c" "QGD: Tartakower, 8.cxd5 Nxd5 9.Bxe7" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 cxd5 Nxd5 Bxe7")
  ("D59d" "QGD: Tartakower, 8.cxd5 Nxd5 9.Bxe7 Qxe7" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 cxd5 Nxd5 Bxe7 Qxe7")
  ("D59e" "QGD: Tartakower, 8.cxd5 Nxd5 9.Bxe7 Qxe7 10.Rc1" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 cxd5 Nxd5 Bxe7 Qxe7 Rc1")
  ("D59e" "QGD: Tartakower, 8.cxd5 Nxd5 9.Bxe7 Qxe7 10.Rc1 Bb7" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 cxd5 Nxd5 Bxe7 Qxe7 Rc1 Bb7")
  ("D59f" "QGD: Tartakower, 8.cxd5 Nxd5 9.Bxe7 Qxe7 10.Rc1 Bb7 11.Nxd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 cxd5 Nxd5 Bxe7 Qxe7 Rc1 Bb7 Nxd5")
  ("D59f" "QGD: Tartakower, 8.cxd5 Nxd5 9.Bxe7 Qxe7 10.Rc1 Bb7 11.Nxd5 Bxd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 cxd5 Nxd5 Bxe7 Qxe7 Rc1 Bb7 Nxd5 Bxd5")
  ("D59g" "QGD: Tartakower, 8.cxd5 Nxd5 9.Bxe7 Qxe7 10.Rc1 Bb7 11.Bd3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 cxd5 Nxd5 Bxe7 Qxe7 Rc1 Bb7 Bd3")
  ("D59h" "QGD: Tartakower, 8.cxd5 Nxd5 9.Bxe7 Qxe7 10.Rc1 Bb7 11.Be2" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 cxd5 Nxd5 Bxe7 Qxe7 Rc1 Bb7 Be2")
  ("D59i" "QGD: Tartakower, 8.cxd5 Nxd5 9.Bxe7 Qxe7 10.Nxd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 cxd5 Nxd5 Bxe7 Qxe7 Nxd5")
  ("D59j" "QGD: Tartakower, Main Line, 11.Rc1" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 cxd5 Nxd5 Bxe7 Qxe7 Nxd5 exd5 Be2")
  ("D59k" "QGD: Tartakower, Main Line, 11.Rc1" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 cxd5 Nxd5 Bxe7 Qxe7 Nxd5 exd5 Rc1")
  ("D59l" "QGD: Tartakower, Main Line, 11.Rc1 Be6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 cxd5 Nxd5 Bxe7 Qxe7 Nxd5 exd5 Rc1 Be6")
  ("D59m" "QGD: Tartakower, Main Line, 12.Bd3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 cxd5 Nxd5 Bxe7 Qxe7 Nxd5 exd5 Rc1 Be6 Bd3")
  ("D59n" "QGD: Tartakower, Main Line, 12.Qa4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 cxd5 Nxd5 Bxe7 Qxe7 Nxd5 exd5 Rc1 Be6 Qa4")
  ("D59n" "QGD: Tartakower, Main Line, 12.Qa4 c5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 h6 Bh4 b6 cxd5 Nxd5 Bxe7 Qxe7 Nxd5 exd5 Rc1 Be6 Qa4 c5")
  ("D60" "QGD: Orthodox Defence" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7")
  ("D60" "QGD: Orthodox, 7.cxd5 Nxd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 cxd5 Nxd5")
  ("D60" "QGD: Orthodox, Rauzer Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qb3")
  ("D60" "QGD: Orthodox, Rauzer Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qb3 c6")
  ("D60" "QGD: Orthodox, Botvinnik Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Bd3")
  ("D60" "QGD: Orthodox, Botvinnik, 7...b6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Bd3 b6")
  ("D60" "QGD: Orthodox, Botvinnik, 7...c6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Bd3 c6")
  ("D60" "QGD: Orthodox, Botvinnik, 7...dxc4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Bd3 dxc4")
  ("D60" "QGD: Orthodox, Botvinnik, 7...dxc4 8.Bxc4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Bd3 dxc4 Bxc4")
  ("D60" "QGD: Orthodox, Botvinnik, 8...a6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Bd3 dxc4 Bxc4 a6")
  ("D60" "QGD: Orthodox, Botvinnik, 8...c5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Bd3 dxc4 Bxc4 c5")
  ("D60" "QGD: Orthodox, Botvinnik, 8...c5 9.O-O a6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Bd3 dxc4 Bxc4 c5 O-O a6")
  ("D61" "QGD: Orthodox, Rubinstein Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2")
  ("D61" "QGD: Orthodox, Rubinstein, 7.Qc2 h6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2 h6")
  ("D61" "QGD: Orthodox, Rubinstein, 7.Qc2 h6 8.Bh4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2 h6 Bh4")
  ("D61" "QGD: Orthodox, Rubinstein, 7.Qc2 h6 8.Bh4 c5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2 h6 Bh4 c5")
  ("D61" "QGD: Orthodox, Rubinstein, 7.Qc2 a6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2 a6")
  ("D61" "QGD: Orthodox, Rubinstein, 7.Qc2 c6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2 c6")
  ("D61" "QGD: Orthodox, Rubinstein, 7.Qc2 c6 8.a3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2 c6 a3")
  ("D61" "QGD: Orthodox, Rubinstein, 7.Qc2 c6 8.Bd3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2 c6 Bd3")
  ("D61" "QGD: Orthodox, Rubinstein, 7.Qc2 c6 8.Bd3 dxc4 9.Bxc4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2 c6 Bd3 dxc4 Bxc4")
  ("D61" "QGD: Orthodox, Rubinstein, 7.Qc2 c6 8.Rd1" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2 c6 Rd1")
  ("D61" "QGD: Orthodox, Rubinstein, 7.Qc2 c5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2 c5")
  ("D61" "QGD: Orthodox, Rubinstein, 7.Qc2 c5 8.Rd1" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2 c5 Rd1")
  ("D61" "QGD: Orthodox, Rubinstein, 7.Qc2 c5 8.O-O-O" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2 c5 O-O-O")
  ("D62" "QGD: Orthodox, Rubinstein, 7.Qc2 c5 8.cxd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2 c5 cxd5")
  ("D62" "QGD: Orthodox, Rubinstein, 7.Qc2 c5 8.cxd5 cxd4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2 c5 cxd5 cxd4")
  ("D62" "QGD: Orthodox, Rubinstein, 7.Qc2 c5 8.cxd5 exd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2 c5 cxd5 exd5")
  ("D62" "QGD: Orthodox, Rubinstein, 7.Qc2 c5 8.cxd5 exd5 9.Bd3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2 c5 cxd5 exd5 Bd3")
  ("D62" "QGD: Orthodox, Rubinstein, 7.Qc2 c5 8.cxd5 Nxd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2 c5 cxd5 Nxd5")
  ("D62" "QGD: Orthodox, Rubinstein, 7.Qc2 c5 8.cxd5 Nxd5 9.Bxe7 Qxe7" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2 c5 cxd5 Nxd5 Bxe7 Qxe7")
  ("D62" "QGD: Orthodox, Rubinstein, 7.Qc2 c5 8.cxd5, Main Line" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2 c5 cxd5 Nxd5 Bxe7 Qxe7 Nxd5 exd5")
  ("D62" "QGD: Orthodox, Rubinstein, 7.Qc2 c5 8.cxd5, Main Line, 11.Bd3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2 c5 cxd5 Nxd5 Bxe7 Qxe7 Nxd5 exd5 Bd3")
  ("D62" "QGD: Orthodox, Rubinstein, 7.Qc2 c5 8.cxd5, Main Line, 11.Bd3 g6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Qc2 c5 cxd5 Nxd5 Bxe7 Qxe7 Nxd5 exd5 Bd3 g6")
  ("D63" "QGD: Orthodox, 7.Rc1" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1")
  ("D63" "QGD: Orthodox, 7.Rc1 Re8" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 Re8")
  ("D63" "QGD: Orthodox, 7.Rc1 h6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 h6")
  ("D63" "QGD: Orthodox, 7.Rc1 h6 8.Bh4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 h6 Bh4")
  ("D63" "QGD: Orthodox, 7.Rc1 dxc4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 dxc4")
  ("D63" "QGD: Orthodox, 7.Rc1 dxc4 8.Bxc4 a6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 dxc4 Bxc4 a6")
  ("D63" "QGD: Orthodox, 7.Rc1 b6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 b6")
  ("D63" "QGD: Orthodox, 7.Rc1 b6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 b6 cxd5 exd5")
  ("D63" "QGD: Orthodox, 7.Rc1 b6, Duras Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 b6 cxd5 exd5 Qa4")
  ("D63" "QGD: Orthodox, 7.Rc1 b6, Pillsbury Attack" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 b6 cxd5 exd5 Bd3")
  ("D63" "QGD: Orthodox, 7.Rc1 b6, Capablanca Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 b6 cxd5 exd5 Bb5")
  ("D63" "QGD: Orthodox, Swiss Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 a6")
  ("D63" "QGD: Orthodox, Swiss, 8.a3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 a6 a3")
  ("D63" "QGD: Orthodox, Swiss, 8.c5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 a6 c5")
  ("D63" "QGD: Orthodox, Swiss, 8.c5 c6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 a6 c5 c6")
  ("D63" "QGD: Orthodox, Swiss, Karlsbad Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 a6 cxd5")
  ("D63" "QGD: Orthodox, Swiss, Karlsbad Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 a6 cxd5 exd5")
  ("D63" "QGD: Orthodox, Swiss, Karlsbad, 9.Bd3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 a6 cxd5 exd5 Bd3")
  ("D63" "QGD: Orthodox, Swiss, Karlsbad, 9.Bd3 Re8" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 a6 cxd5 exd5 Bd3 Re8")
  ("D63" "QGD: Orthodox, Swiss, Karlsbad, 9.Bd3 c6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 a6 cxd5 exd5 Bd3 c6")
  ("D63" "QGD: Orthodox, 7.Rc1 c6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6")
  ("D63" "QGD: Orthodox, 7.Rc1 c6 8.a3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 a3")
  ("D64" "QGD: Orthodox, Rubinstein Attack" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Qc2")
  ("D64" "QGD: Orthodox, Rubinstein Attack, 8...dxc4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Qc2 dxc4")
  ("D64" "QGD: Orthodox, Rubinstein Attack, Wolf Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Qc2 Ne4")
  ("D64" "QGD: Orthodox, Rubinstein Attack, 8...Re8" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Qc2 Re8")
  ("D64" "QGD: Orthodox, Rubinstein Attack, 8...Re8 9.a3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Qc2 Re8 a3")
  ("D64" "QGD: Orthodox, Rubinstein Attack, 8...Re8 9.a3 a6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Qc2 Re8 a3 a6")
  ("D64" "QGD: Orthodox, Rubinstein Attack, 8...h6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Qc2 h6")
  ("D64" "QGD: Orthodox, Rubinstein Attack, Carlsbad Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Qc2 a6")
  ("D64" "QGD: Orthodox, Rubinstein Attack, Grünfeld Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Qc2 a6 a3")
  ("D64" "QGD: Orthodox, Rubinstein Attack, Grünfeld Variation, 9...h6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Qc2 a6 a3 h6")
  ("D64" "QGD: Orthodox, Rubinstein Attack, Grünfeld Variation, 9...h6 10.Bh4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Qc2 a6 a3 h6 Bh4")
  ("D65" "QGD: Orthodox, Rubinstein Attack, 9.cxd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Qc2 a6 cxd5")
  ("D65" "QGD: Orthodox, Rubinstein Attack, 9.cxd5 Nxd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Qc2 a6 cxd5 Nxd5")
  ("D65" "QGD: Orthodox, Rubinstein Attack, 9.cxd5 exd5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Qc2 a6 cxd5 exd5")
  ("D65" "QGD: Orthodox, Rubinstein, 9.cxd5 exd5 10.Bd3 h6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Qc2 a6 cxd5 exd5 Bd3 h6")
  ("D65" "QGD: Orthodox, Rubinstein, 9.cxd5 exd5 10.Bd3 h6 11.Bh4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Qc2 a6 cxd5 exd5 Bd3 h6 Bh4")
  ("D65" "QGD: Orthodox, Rubinstein, 9.cxd5 exd5 10.Bd3 Re8" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Qc2 a6 cxd5 exd5 Bd3 Re8")
  ("D65" "QGD: Orthodox, Rubinstein, 9.cxd5 exd5 10.Bd3 Re8 11.O-O Nf8" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Qc2 a6 cxd5 exd5 Bd3 Re8 O-O Nf8")
  ("D65" "QGD: Orthodox, Rubinstein, 9.cxd5 exd5 10.Bd3 Re8 11.O-O Nf8 12.Ne5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Qc2 a6 cxd5 exd5 Bd3 Re8 O-O Nf8 Ne5")
  ("D65" "QGD: Orthodox, Rubinstein, 9.cxd5 exd5 10.Bd3 Re8 11.O-O Nf8 12.h3"
   "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Qc2 a6 cxd5 exd5 Bd3 Re8 O-O Nf8 h3")
  ("D66" "QGD: Orthodox, Main Line"
   "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3")
  ("D66" "QGD: Orthodox, Main Line, 8...a6"
   "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 a6")
  ("D66" "QGD: Orthodox, Main Line, 8...h6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 h6")
  ("D66" "QGD: Orthodox, Main Line, 8...h6 9.Bh4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 h6 Bh4")
  ("D66" "QGD: Orthodox, Main Line, 8...h6 9.Bh4 dxc4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 h6 Bh4 dxc4")
  ("D66" "QGD: Orthodox, Main Line, 8...h6 9.Bh4 dxc4 10.Bxc4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 h6 Bh4 dxc4 Bxc4")
  ("D66" "QGD: Orthodox, Main Line, 8...h6 9.Bh4 dxc4 10.Bxc4 b5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 h6 Bh4 dxc4 Bxc4 b5")
  ("D66" "QGD: Orthodox, Main Line, 8...Re8" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 Re8")
  ("D66" "QGD: Orthodox, Main Line, 8...dxc4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4")
  ("D66" "QGD: Orthodox, Main Line, 8...dxc4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4")
  ("D66" "QGD: Orthodox, Main Line, Fianchetto Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 b5")
  ("D66" "QGD: Orthodox, Main Line, Fianchetto Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 b5 Bd3 a6")
  ("D66" "QGD: Orthodox, Main Line, Fianchetto, 11.O-O" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 b5 Bd3 a6 O-O")
  ("D66" "QGD: Orthodox, Main Line, Fianchetto, 11.e4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 b5 Bd3 a6 e4")
  ("D67" "QGD: Orthodox, Main Line, Capablanca Freeing Manoevure" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5")
  ("D67" "QGD: Orthodox, Main Line, Janowski Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 h4")
  ("D67" "QGD: Orthodox, Main Line, Capablanca Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7")
  ("D67" "QGD: Orthodox, Main Line, Alekhine Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 Ne4")
  ("D67" "QGD: Orthodox, Main Line, Alekhine, 11...e5 (Lasker)" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 Ne4 e5")
  ("D67" "QGD: Orthodox, Main Line, Alekhine, 11...N5f6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 Ne4 N5f6")
  ("D67" "QGD: Orthodox, Main Line, Capablanca, 11.O-O" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 O-O")
  ("D67" "QGD: Orthodox, Main Line, Capablanca, 11.O-O Nxc3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 O-O Nxc3")
  ("D68" "QGD: Orthodox, Classical Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 O-O Nxc3 Rxc3 e5")
  ("D68" "QGD: Orthodox, Classical, 13.Bb3" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 O-O Nxc3 Rxc3 e5 Bb3")
  ("D68" "QGD: Orthodox, Classical, Maroczy Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 O-O Nxc3 Rxc3 e5 Qb1")
  ("D68" "QGD: Orthodox, Classical, Maroczy, 13...exd4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 O-O Nxc3 Rxc3 e5 Qb1 exd4")
  ("D68" "QGD: Orthodox, Classical, Vidmar Variation" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 O-O Nxc3 Rxc3 e5 Qc2")
  ("D68" "QGD: Orthodox, Classical, Vidmar, 13...e4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 O-O Nxc3 Rxc3 e5 Qc2 e4")
  ("D68" "QGD: Orthodox, Classical, Vidmar, 13...exd4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 O-O Nxc3 Rxc3 e5 Qc2 exd4")
  ("D68" "QGD: Orthodox, Classical, Vidmar, 13...exd4 14.exd4 Nb6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 O-O Nxc3 Rxc3 e5 Qc2 exd4 exd4 Nb6")
  ("D69" "QGD: Orthodox, Classical, 13.dxe5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 O-O Nxc3 Rxc3 e5 dxe5")
  ("D69" "QGD: Orthodox, Classical, 13.dxe5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 O-O Nxc3 Rxc3 e5 dxe5 Nxe5 Nxe5 Qxe5")
  ("D69" "QGD: Orthodox, Classical, 13.dxe5: 15.f4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 O-O Nxc3 Rxc3 e5 dxe5 Nxe5 Nxe5 Qxe5 f4")
  ("D69" "QGD: Orthodox, Classical, 13.dxe5: 15.f4 Qe4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 O-O Nxc3 Rxc3 e5 dxe5 Nxe5 Nxe5 Qxe5 f4 Qe4")
  ("D69" "QGD: Orthodox, Classical, 13.dxe5: 15.f4 Qf6" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 O-O Nxc3 Rxc3 e5 dxe5 Nxe5 Nxe5 Qxe5 f4 Qf6")
  ("D69" "QGD: Orthodox, Classical, 13.dxe5: 15.f4 Qf6 16.f5" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 O-O Nxc3 Rxc3 e5 dxe5 Nxe5 Nxe5 Qxe5 f4 Qf6 f5")
  ("D69" "QGD: Orthodox, Classical, 13.dxe5: 15.f4 Qf6 16.e4" "d4 d5 c4 e6 Nc3 Nf6 Bg5 Be7 e3 O-O Nf3 Nbd7 Rc1 c6 Bd3 dxc4 Bxc4 Nd5 Bxe7 Qxe7 O-O Nxc3 Rxc3 e5 dxe5 Nxe5 Nxe5 Qxe5 f4 Qf6 e4")
  ("D70" "Neo-Grünfeld: 3.Nf3 d5" "d4 Nf6 c4 g6 Nf3 d5")
  ("D70" "Neo-Grünfeld: Alekhine's Anti-Grünfeld" "d4 Nf6 c4 g6 f3 d5")
  ("D70" "Neo-Grünfeld: Alekhine's, 5.e4 Nb6" "d4 Nf6 c4 g6 f3 d5 cxd5 Nxd5 e4 Nb6")
  ("D70" "Neo-Grünfeld: Alekhine's, 7.Be3 O-O" "d4 Nf6 c4 g6 f3 d5 cxd5 Nxd5 e4 Nb6 Nc3 Bg7 Be3 O-O")
  ("D70" "Neo-Grünfeld: 3.g3 d5" "d4 Nf6 c4 g6 g3 d5")
  ("D70" "Neo-Grünfeld: 4.cxd5" "d4 Nf6 c4 g6 g3 d5 cxd5")
  ("D70" "Neo-Grünfeld: 4.Bg2" "d4 Nf6 c4 g6 g3 d5 Bg2")
  ("D70" "Neo-Grünfeld: 4.Bg2 c6" "d4 Nf6 c4 g6 g3 d5 Bg2 c6")
  ("D70" "Neo-Grünfeld: 4.Bg2 Bg7" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7")
  ("D71" "Neo-Grünfeld, 5.cxd5 Nxd5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 cxd5 Nxd5")
  ("D71" "Neo-Grünfeld, 5.cxd5 Nxd5 6.Nc3" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 cxd5 Nxd5 Nc3")
  ("D71" "Neo-Grünfeld, 5.cxd5 Nxd5 6.Nc3 Nxc3" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 cxd5 Nxd5 Nc3 Nxc3")
  ("D71" "Neo-Grünfeld, 5.cxd5 Nxd5 6.Nc3 Nxc3 7.bxc3 c5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 cxd5 Nxd5 Nc3 Nxc3 bxc3 c5")
  ("D71" "Neo-Grünfeld, 5.cxd5 Nxd5 6.Nc3 Nb6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 cxd5 Nxd5 Nc3 Nb6")
  ("D71" "Neo-Grünfeld, 5.cxd5 Nxd5 6.e4" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 cxd5 Nxd5 e4")
  ("D71" "Neo-Grünfeld, 5.cxd5 Nxd5 6.e4 Nb6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 cxd5 Nxd5 e4 Nb6")
  ("D71" "Neo-Grünfeld, 5.cxd5 Nxd5 6.e4 Nb4" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 cxd5 Nxd5 e4 Nb4")
  ("D71" "Neo-Grünfeld, 5.cxd5 Nxd5 6.e4 Nb4 7.d5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 cxd5 Nxd5 e4 Nb4 d5")
  ("D72" "Neo-Grünfeld, 5.cxd5 Nxd5 6.e4 Nb6 7.Ne2" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 cxd5 Nxd5 e4 Nb6 Ne2")
  ("D72" "Neo-Grünfeld, 5.cxd5 Nxd5 6.e4 Nb6 7.Ne2 Nc6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 cxd5 Nxd5 e4 Nb6 Ne2 Nc6")
  ("D72" "Neo-Grünfeld, 5.cxd5 Nxd5 6.e4 Nb6 7.Ne2 e5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 cxd5 Nxd5 e4 Nb6 Ne2 e5")
  ("D72" "Neo-Grünfeld, 5.cxd5 Nxd5 6.e4 Nb6 7.Ne2 c5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 cxd5 Nxd5 e4 Nb6 Ne2 c5")
  ("D72" "Neo-Grünfeld, 5.cxd5 Nxd5 6.e4 Nb6 7.Ne2 O-O" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 cxd5 Nxd5 e4 Nb6 Ne2 O-O")
  ("D72" "Neo-Grünfeld, 5.cxd5 Nxd5 6.e4 Nb6 7.Ne2 O-O 8.O-O" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 cxd5 Nxd5 e4 Nb6 Ne2 O-O O-O")
  ("D73" "Neo-Grünfeld, 5.Nf3" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3")
  ("D73" "Neo-Grünfeld, 5.Nf3 c6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 c6")
  ("D73" "Neo-Grünfeld, 5.Nf3 c6 6.cxd5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 c6 cxd5")
  ("D73" "Neo-Grünfeld, 5.Nf3 c6 6.cxd5 cxd5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 c6 cxd5 cxd5")
  ("D73" "Neo-Grünfeld, 5.Nf3 c6 6.cxd5 cxd5 7.Nc3" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 c6 cxd5 cxd5 Nc3")
  ("D73" "Neo-Grünfeld, 5.Nf3 c5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 c5")
  ("D73" "Neo-Grünfeld, 5.Nf3 dxc4" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 dxc4")
  ("D73" "Neo-Grünfeld, 5.Nf3 dxc4 6.Na3" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 dxc4 Na3")
  ("D73" "Neo-Grünfeld, 5.Nf3 O-O" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O")
  ("D73" "Neo-Grünfeld, 6.Qb3" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O Qb3")
  ("D73" "Neo-Grünfeld, 6.Nc3" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O Nc3")
  ("D73" "Neo-Grünfeld, 6.cxd5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5")
  ("D73" "Neo-Grünfeld, 6.cxd5 Nxd5 7.e4" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 e4")
  ("D74" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O")
  ("D74" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O Na6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O Na6")
  ("D74" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O Nc6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O Nc6")
  ("D74" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O c6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O c6")
  ("D74" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O c5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O c5")
  ("D74" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O c5 8.e4" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O c5 e4")
  ("D74" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O c5 8.e4 Nf6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O c5 e4 Nf6")
  ("D74" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O c5 8.e4 Nf6 9.e5 Nd5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O c5 e4 Nf6 e5 Nd5")
  ("D75" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O c5 8.Nc3" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O c5 Nc3")
  ("D75" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O c5 8.Nc3 Nxc3" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O c5 Nc3 Nxc3")
  ("D75" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O c5 8.Nc3 Nxc3 9.bxc3 cxd4" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O c5 Nc3 Nxc3 bxc3 cxd4")
  ("D75" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O c5 8.dxc5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O c5 dxc5")
  ("D75" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O c5 8.dxc5 Na6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O c5 dxc5 Na6")
  ("D76a" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O Nb6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O Nb6")
  ("D76b" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O Nb6 8.Nc3" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O Nb6 Nc3")
  ("D76c" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O Nb6 8.Nc3 Nc6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O Nb6 Nc3 Nc6")
  ("D76d" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O Nb6 8.Nc3 Nc6 9.e3" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O Nb6 Nc3 Nc6 e3")
  ("D76e" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O Nb6 8.Nc3 Nc6 9.e3 e5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O Nb6 Nc3 Nc6 e3 e5")
  ("D76e" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O Nb6 8.Nc3 Nc6 9.e3 e5 10.d5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O Nb6 Nc3 Nc6 e3 e5 d5")
  ("D76f" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O Nb6 8.Nc3 Nc6 9.e3 e5 10.d5 Na5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O Nb6 Nc3 Nc6 e3 e5 d5 Na5")
  ("D76g" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O Nb6 8.Nc3 Nc6 9.e3 Re8" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O Nb6 Nc3 Nc6 e3 Re8")
  ("D76h" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O Nb6 8.Nc3 Nc6 9.e3 Re8 10.d5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O Nb6 Nc3 Nc6 e3 Re8 d5")
  ("D76i" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O Nb6 8.Nc3 Nc6 9.d5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O Nb6 Nc3 Nc6 d5")
  ("D76j" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O Nb6 8.Nc3 Nc6 9.d5 Na5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O Nb6 Nc3 Nc6 d5 Na5")
  ("D76k" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O Nb6 8.Nc3 Nc6 9.d5 Na5 10.e4" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O Nb6 Nc3 Nc6 d5 Na5 e4")
  ("D76k" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O Nb6 8.Nc3 Nc6 9.d5 Na5 10.e4 c6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O Nb6 Nc3 Nc6 d5 Na5 e4 c6")
  ("D76l" "Neo-Grünfeld, 6.cxd5 Nxd5 7.O-O Nb6 8.Nc3 Nc6 9.d5 Na5 10.e4 c6 11.Bg5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O cxd5 Nxd5 O-O Nb6 Nc3 Nc6 d5 Na5 e4 c6 Bg5")
  ("D77a" "Neo-Grünfeld, 6.O-O" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O")
  ("D77b" "Neo-Grünfeld, 6.O-O e6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O e6")
  ("D77c" "Neo-Grünfeld, 6.O-O c5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c5")
  ("D77c" "Neo-Grünfeld, 6.O-O c5 7.dxc5 dxc4" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c5 dxc5 dxc4")
  ("D77d" "Neo-Grünfeld, 6.O-O Nc6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O Nc6")
  ("D77e" "Neo-Grünfeld, 6.O-O dxc4" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O dxc4")
  ("D77f" "Neo-Grünfeld, 6.O-O dxc4 7.Na3" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O dxc4 Na3")
  ("D77g" "Neo-Grünfeld, 6.O-O dxc4 7.Na3 Na6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O dxc4 Na3 Na6")
  ("D77h" "Neo-Grünfeld, 6.O-O dxc4 7.Na3 c3" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O dxc4 Na3 c3")
  ("D77h" "Neo-Grünfeld, 6.O-O dxc4 7.Na3 c3 8.bxc3 c5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O dxc4 Na3 c3 bxc3 c5")
  ("D77i" "Neo-Grünfeld, 6.O-O dxc4 7.Na3 c3 8.bxc3 c5 9.e3" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O dxc4 Na3 c3 bxc3 c5 e3")
  ("D77j" "Neo-Grünfeld, 6.O-O dxc4 7.Na3 Nc6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O dxc4 Na3 Nc6")
  ("D77j" "Neo-Grünfeld, 6.O-O dxc4 7.Na3 Nc6 8.Nxc4" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O dxc4 Na3 Nc6 Nxc4")
  ("D77j" "Neo-Grünfeld, 6.O-O dxc4 7.Na3 Nc6 8.Nxc4 Be6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O dxc4 Na3 Nc6 Nxc4 Be6")
  ("D77k" "Neo-Grünfeld, 6.O-O dxc4 7.Na3 Nc6 8.Nxc4 Be6 9.b3" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O dxc4 Na3 Nc6 Nxc4 Be6 b3")
  ("D77l" "Neo-Grünfeld, 6.O-O dxc4 7.Na3 Nc6 8.Nxc4 Be6 9.b3 Bd5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O dxc4 Na3 Nc6 Nxc4 Be6 b3 Bd5")
  ("D78a" "Neo-Grünfeld, 6.O-O c6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6")
  ("D78b" "Neo-Grünfeld, 6.O-O c6 7.Na3" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 Na3")
  ("D78c" "Neo-Grünfeld, 6.O-O c6 7.Ne5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 Ne5")
  ("D78d" "Neo-Grünfeld, 6.O-O c6 7.Qa4" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 Qa4")
  ("D78e" "Neo-Grünfeld, 6.O-O c6 7.Nc3" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 Nc3")
  ("D78f" "Neo-Grünfeld, 6.O-O c6 7.Nc3 dxc4" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 Nc3 dxc4")
  ("D78g" "Neo-Grünfeld, 6.O-O c6 7.Qb3" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 Qb3")
  ("D78h" "Neo-Grünfeld, 6.O-O c6 7.Qb3 Qb6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 Qb3 Qb6")
  ("D78i" "Neo-Grünfeld, 6.O-O c6 7.Qb3 dxc4" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 Qb3 dxc4")
  ("D78j" "Neo-Grünfeld, 6.O-O c6 7.Qb3 dxc4" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 Qb3 dxc4 Qxc4")
  ("D78k" "Neo-Grünfeld, 6.O-O c6 7.Nbd2" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 Nbd2")
  ("D78l" "Neo-Grünfeld, 6.O-O c6 7.Nbd2 Nbd7" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 Nbd2 Nbd7")
  ("D78m" "Neo-Grünfeld, 6.O-O c6 7.Nbd2 Ne4" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 Nbd2 Ne4")
  ("D78n" "Neo-Grünfeld, 6.O-O c6 7.Nbd2 Bf5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 Nbd2 Bf5")
  ("D78o" "Neo-Grünfeld, 6.O-O c6 7.b3" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 b3")
  ("D78p" "Neo-Grünfeld, 6.O-O c6 7.b3 Bf5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 b3 Bf5")
  ("D78q" "Neo-Grünfeld, 6.O-O c6 7.b3 Ne4" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 b3 Ne4")
  ("D79a" "Neo-Grünfeld, 6.O-O c6 7.cxd5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 cxd5")
  ("D79a" "Neo-Grünfeld, 6.O-O c6 7.cxd5 cxd5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 cxd5 cxd5")
  ("D79b" "Neo-Grünfeld, 6.O-O c6 7.cxd5 cxd5 8.Nc3" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 cxd5 cxd5 Nc3")
  ("D79c" "Neo-Grünfeld, 6.O-O c6 7.cxd5 cxd5 8.Nc3 e6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 cxd5 cxd5 Nc3 e6")
  ("D79d" "Neo-Grünfeld, 6.O-O c6 7.cxd5 cxd5 8.Nc3 Ne4" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 cxd5 cxd5 Nc3 Ne4")
  ("D79d" "Neo-Grünfeld, 6.O-O c6 7.cxd5 cxd5 8.Nc3 Ne4 9.Ne5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 cxd5 cxd5 Nc3 Ne4 Ne5")
  ("D79e" "Neo-Grünfeld, 6.O-O c6 7.cxd5 cxd5 8.Nc3 Ne4 9.Nxe4" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 cxd5 cxd5 Nc3 Ne4 Nxe4")
  ("D79f" "Neo-Grünfeld, 6.O-O c6 7.cxd5 cxd5 8.Nc3 Nc6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 cxd5 cxd5 Nc3 Nc6")
  ("D79g" "Neo-Grünfeld, 6.O-O c6 7.cxd5 cxd5 8.Nc3 Nc6 9.Ne5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 cxd5 cxd5 Nc3 Nc6 Ne5")
  ("D79h" "Neo-Grünfeld, 6.O-O c6 7.cxd5 cxd5 8.Nc3 Nc6 9.Ne5 e6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 cxd5 cxd5 Nc3 Nc6 Ne5 e6")
  ("D79i" "Neo-Grünfeld, 6.O-O c6 7.cxd5 cxd5 8.Ne5" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 cxd5 cxd5 Ne5")
  ("D79i" "Neo-Grünfeld, 6.O-O c6 7.cxd5 cxd5 8.Ne5 e6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 cxd5 cxd5 Ne5 e6")
  ("D79j" "Neo-Grünfeld, Main Line" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 cxd5 cxd5 Ne5 e6 Nc3")
  ("D79k" "Neo-Grünfeld, Main Line, 10.f4" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 cxd5 cxd5 Ne5 e6 Nc3 Nfd7 f4")
  ("D79l" "Neo-Grünfeld, Main Line, 10.f4 Nc6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 cxd5 cxd5 Ne5 e6 Nc3 Nfd7 f4 Nc6")
  ("D79m" "Neo-Grünfeld, Main Line, 10.f4 Nc6 11.Be3" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 cxd5 cxd5 Ne5 e6 Nc3 Nfd7 f4 Nc6 Be3")
  ("D79m" "Neo-Grünfeld, Main Line, 10.f4 Nc6 11.Be3 f6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 cxd5 cxd5 Ne5 e6 Nc3 Nfd7 f4 Nc6 Be3 f6")
  ("D79n" "Neo-Grünfeld, Main Line, 10.f4 Nc6 11.Be3 Nb6" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 cxd5 cxd5 Ne5 e6 Nc3 Nfd7 f4 Nc6 Be3 Nb6")
  ("D79n" "Neo-Grünfeld, Main Line, 10.f4 Nc6 11.Be3 Nb6 12.Bf2" "d4 Nf6 c4 g6 g3 d5 Bg2 Bg7 Nf3 O-O O-O c6 cxd5 cxd5 Ne5 e6 Nc3 Nfd7 f4 Nc6 Be3 Nb6 Bf2")
  ("D80" "Grünfeld Defence" "d4 Nf6 c4 g6 Nc3 d5")
  ("D80" "Grünfeld: Spike/Gibbon Gambit" "d4 Nf6 c4 g6 Nc3 d5 g4")
  ("D80" "Grünfeld: 4.h4" "d4 Nf6 c4 g6 Nc3 d5 h4")
  ("D80" "Grünfeld: 4.g3" "d4 Nf6 c4 g6 Nc3 d5 g3")
  ("D80" "Grünfeld: 4.f3" "d4 Nf6 c4 g6 Nc3 d5 f3")
  ("D80" "Grünfeld: 4.e3" "d4 Nf6 c4 g6 Nc3 d5 e3")
  ("D80" "Grünfeld: 4.e3 Bg7" "d4 Nf6 c4 g6 Nc3 d5 e3 Bg7")
  ("D80" "Grünfeld: 4.e3 Bg7 5.Qb3" "d4 Nf6 c4 g6 Nc3 d5 e3 Bg7 Qb3")
  ("D80" "Grünfeld: Stockholm Variation" "d4 Nf6 c4 g6 Nc3 d5 Bg5")
  ("D80" "Grünfeld: Stockholm, 4...Ne4" "d4 Nf6 c4 g6 Nc3 d5 Bg5 Ne4")
  ("D80" "Grünfeld: Stockholm, 4...Ne4 5.Nxe4" "d4 Nf6 c4 g6 Nc3 d5 Bg5 Ne4 Nxe4")
  ("D80" "Grünfeld: Stockholm, Lundin Variation" "d4 Nf6 c4 g6 Nc3 d5 Bg5 Ne4 Nxe4 dxe4 Qd2 c5")
  ("D80" "Grünfeld: Stockholm, 4...Ne4 5.Bf4" "d4 Nf6 c4 g6 Nc3 d5 Bg5 Ne4 Bf4")
  ("D80" "Grünfeld: Stockholm, Taimanov Variation" "d4 Nf6 c4 g6 Nc3 d5 Bg5 Ne4 Bh4")
  ("D80" "Grünfeld: Stockholm, Taimanov, 5...Nxc3" "d4 Nf6 c4 g6 Nc3 d5 Bg5 Ne4 Bh4 Nxc3")
  ("D80" "Grünfeld: Stockholm, Taimanov, 5...Nxc3 6.bxc3 Bg7" "d4 Nf6 c4 g6 Nc3 d5 Bg5 Ne4 Bh4 Nxc3 bxc3 Bg7")
  ("D81" "Grünfeld: Early Russian Variation" "d4 Nf6 c4 g6 Nc3 d5 Qb3")
  ("D81" "Grünfeld: Early Russian Variation" "d4 Nf6 c4 g6 Nc3 d5 Qb3 dxc4 Qxc4")
  ("D81" "Grünfeld: Early Russian, 5...Be6" "d4 Nf6 c4 g6 Nc3 d5 Qb3 dxc4 Qxc4 Be6")
  ("D81" "Grünfeld: Early Russian, 5...Be6 6.Qb5+" "d4 Nf6 c4 g6 Nc3 d5 Qb3 dxc4 Qxc4 Be6 Qb5+")
  ("D81" "Grünfeld: Early Russian, Adorjan Gambit" "d4 Nf6 c4 g6 Nc3 d5 Qb3 dxc4 Qxc4 Be6 Qb5+ Bd7")
  ("D81" "Grünfeld: Early Russian, 5...Bg7" "d4 Nf6 c4 g6 Nc3 d5 Qb3 dxc4 Qxc4 Bg7")
  ("D81" "Grünfeld: Early Russian, 5...Bg7 6.e4" "d4 Nf6 c4 g6 Nc3 d5 Qb3 dxc4 Qxc4 Bg7 e4")
  ("D81" "Grünfeld: Early Russian, 5...Bg7 6.e4 O-O" "d4 Nf6 c4 g6 Nc3 d5 Qb3 dxc4 Qxc4 Bg7 e4 O-O")
  ("D82" "Grünfeld: 4.Bf4" "d4 Nf6 c4 g6 Nc3 d5 Bf4")
  ("D82" "Grünfeld: 4.Bf4 Bg7" "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7")
  ("D82" "Grünfeld: 4.Bf4 Bg7 5.e3" "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3")
  ("D82" "Grünfeld: 4.Bf4 Bg7 5.e3 c5" "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 c5")
  ("D82" "Grünfeld: 4.Bf4 Bg7 5.e3 c5 6.dxc5 Qa5" "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 c5 dxc5 Qa5")
  ("D82" "Grünfeld: 4.Bf4 Bg7 5.e3 c5 6.dxc5 Qa5 7.Qa4+" "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 c5 dxc5 Qa5 Qa4+")
  ("D82" "Grünfeld: 4.Bf4 Bg7 5.e3 c5 6.dxc5 Qa5 7.Rc1" "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 c5 dxc5 Qa5 Rc1")
  ("D83" "Grünfeld: Grünfeld Gambit" "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 O-O")
  ("D83" "Grünfeld: Grünfeld Gambit, 6.Qb3" "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 O-O Qb3")
  ("D83" "Grünfeld: Grünfeld Gambit, Capablanca Variation" "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 O-O Rc1")
  ("D83" "Grünfeld: Grünfeld Gambit, Capablanca Variation" "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 O-O Rc1 c5")
  ("D83" "Grünfeld: Grünfeld Gambit, Botvinnik Variation" "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 O-O Rc1 c5 dxc5 Be6")
  ("D84" "Grünfeld: Grünfeld Gambit Accepted" "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 O-O cxd5")
  ("D84" "Grünfeld: Grünfeld Gambit Accepted" "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 O-O cxd5 Nxd5 Nxd5 Qxd5 Bxc7")
  ("D84" "Grünfeld: Grünfeld Gambit Accepted, 8...b6" "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 O-O cxd5 Nxd5 Nxd5 Qxd5 Bxc7 b6")
  ("D84" "Grünfeld: Grünfeld Gambit Accepted, 8...Bf5" "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 O-O cxd5 Nxd5 Nxd5 Qxd5 Bxc7 Bf5")
  ("D84" "Grünfeld: Grünfeld Gambit Accepted, 8...Na6" "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 O-O cxd5 Nxd5 Nxd5 Qxd5 Bxc7 Na6")
  ("D84" "Grünfeld: Grünfeld Gambit Accepted, 8...Na6 9.Bxa6 Qxg2" "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 O-O cxd5 Nxd5 Nxd5 Qxd5 Bxc7 Na6 Bxa6 Qxg2")
  ("D84" "Grünfeld: Grünfeld Gambit Accepted, 8...Nc6" "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 O-O cxd5 Nxd5 Nxd5 Qxd5 Bxc7 Nc6")
  ("D84" "Grünfeld: Grünfeld Gambit Accepted, 8...Nc6 9.Ne2" "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 O-O cxd5 Nxd5 Nxd5 Qxd5 Bxc7 Nc6 Ne2")
  ("D84" "Grünfeld: Grünfeld Gambit Accepted, 8...Nc6 9.Ne2 Bg4" "d4 Nf6 c4 g6 Nc3 d5 Bf4 Bg7 e3 O-O cxd5 Nxd5 Nxd5 Qxd5 Bxc7 Nc6 Ne2 Bg4")
  ("D85a" "Grünfeld: Exchange Variation" "d4 Nf6 c4 g6 Nc3 d5 cxd5")
  ("D85a" "Grünfeld: Exchange Variation" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5")
  ("D85a" "Grünfeld: Exchange, 5.g3" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 g3")
  ("D85a" "Grünfeld: Exchange, 5.Na4" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 Na4")
  ("D85b" "Grünfeld: Exchange, 5.Bd2" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 Bd2")
  ("D85c" "Grünfeld: Exchange, 5.Bd2 Bg7 6.e4 Nb6" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 Bd2 Bg7 e4 Nb6")
  ("D85c" "Grünfeld: Exchange, 5.Bd2 Bg7 6.e4 Nb6 7.Be3" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 Bd2 Bg7 e4 Nb6 Be3")
  ("D85d" "Grünfeld: Exchange, 5.e4" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4")
  ("D85d" "Grünfeld: Exchange, 5.e4 Nb6" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nb6")
  ("D85d" "Grünfeld: Exchange, 5.e4 Nxc3" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3")
  ("D85d" "Grünfeld: Exchange, 5.e4 Nxc3 6.bxc3 c5" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 c5")
  ("D85d" "Grünfeld: Exchange, 5.e4 Nxc3 6.bxc3 Bg7" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7")
  ("D85d" "Grünfeld: Exchange, 7.Ba3" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Ba3")
  ("D85e" "Grünfeld: Exchange, 7.Bb5+" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bb5+")
  ("D85e" "Grünfeld: Exchange, 7.Bb5+ c6" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bb5+ c6")
  ("D85e" "Grünfeld: Exchange, 7.Bb5+ c6 8.Ba4" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bb5+ c6 Ba4")
  ("D85f" "Grünfeld: Exchange, 7.Bb5+ c6 8.Ba4 O-O" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bb5+ c6 Ba4 O-O")
  ("D85g" "Grünfeld: Exchange, 7.Be3" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Be3")
  ("D85g" "Grünfeld: Exchange, 7.Be3 c5" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Be3 c5")
  ("D85g" "Grünfeld: Exchange, 7.Be3 c5 8.Qd2" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Be3 c5 Qd2")
  ("D85g" "Grünfeld: Exchange, 7.Be3 c5 8.Qd2 O-O" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Be3 c5 Qd2 O-O")
  ("D85g" "Grünfeld: Exchange, 7.Be3 c5 8.Qd2 O-O 9.Rc1" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Be3 c5 Qd2 O-O Rc1")
  ("D85h" "Grünfeld: Exchange, 7.Be3 c5 8.Qd2 Qa5" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Be3 c5 Qd2 Qa5")
  ("D85h" "Grünfeld: Exchange, 7.Be3 c5 8.Qd2 Qa5 9.Rc1" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Be3 c5 Qd2 Qa5 Rc1")
  ("D85h" "Grünfeld: Exchange, 7.Be3 c5 8.Qd2 Qa5 9.Rb1" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Be3 c5 Qd2 Qa5 Rb1")
  ("D85h" "Grünfeld: Exchange, 7.Be3 c5 8.Qd2 Qa5 9.Rb1 b6" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Be3 c5 Qd2 Qa5 Rb1 b6")
  ("D85i" "Grünfeld: Modern Exchange" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3")
  ("D85i" "Grünfeld: Modern Exchange, 7...O-O" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 O-O")
  ("D85j" "Grünfeld: Modern Exchange, 7...c5" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5")
  ("D85k" "Grünfeld: Modern Exchange, 8.Bb5+" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Bb5+")
  ("D85l" "Grünfeld: Modern Exchange, 8.Be2" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Be2")
  ("D85l" "Grünfeld: Modern Exchange, 8.Be2 O-O" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Be2 O-O")
  ("D85l" "Grünfeld: Modern Exchange, 8.Be2 O-O 9.O-O" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Be2 O-O O-O")
  ("D85l" "Grünfeld: Modern Exchange, 8.Be2 O-O 9.O-O b6" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Be2 O-O O-O b6")
  ("D85l" "Grünfeld: Modern Exchange, 8.Be2 O-O 9.O-O Nc6" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Be2 O-O O-O Nc6")
  ("D85m" "Grünfeld: Modern Exchange, 8.Rb1" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Rb1")
  ("D85m" "Grünfeld: Modern Exchange, 8.Rb1 O-O" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Rb1 O-O")
  ("D85m" "Grünfeld: Modern Exchange, 8.Rb1 O-O 9.Be2" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Rb1 O-O Be2")
  ("D85m" "Grünfeld: Modern Exchange, 8.Rb1 O-O 9.Be2 Qa5" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Rb1 O-O Be2 Qa5")
  ("D85n" "Grünfeld: Modern Exchange, 8.Rb1 O-O 9.Be2 b6" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Rb1 O-O Be2 b6")
  ("D85o" "Grünfeld: Modern Exchange, 8.Rb1 O-O 9.Be2 Nc6" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Rb1 O-O Be2 Nc6")
  ("D85p" "Grünfeld: Modern Exchange, 8.Rb1 O-O 9.Be2 Nc6, Main Line" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Rb1 O-O Be2 Nc6 d5 Ne5 Nxe5 Bxe5 Qd2")
  ("D85p" "Grünfeld: Modern Exchange, 8.Rb1 O-O 9.Be2 Nc6, Main Line, 12...e6" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Rb1 O-O Be2 Nc6 d5 Ne5 Nxe5 Bxe5 Qd2 e6")
  ("D85q" "Grünfeld: Modern Exchange, 8.Rb1 O-O 9.Be2 cd" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Rb1 O-O Be2 cxd4")
  ("D85q" "Grünfeld: Modern Exchange, 8.Rb1 O-O 9.Be2 cd 10.cd" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Rb1 O-O Be2 cxd4 cxd4")
  ("D85q" "Grünfeld: Modern Exchange, 8.Rb1 O-O 9.Be2 cd 10.cd Qa5+" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Rb1 O-O Be2 cxd4 cxd4 Qa5+")
  ("D85q" "Grünfeld: Modern Exchange, 8.Rb1 O-O 9.Be2 cd 10.cd Qa5+ 11.Qd2" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Rb1 O-O Be2 cxd4 cxd4 Qa5+ Qd2")
  ("D85r" "Grünfeld: Modern Exchange, 8.Rb1 O-O 9.Be2 cd 10.cd Qa5+ 11.Bd2" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Rb1 O-O Be2 cxd4 cxd4 Qa5+ Bd2")
  ("D85s" "Grünfeld: Modern Exchange, 8.Rb1, 10...Qa5+ 11.Bd2 Qxa2 12.O-O Bg4" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Rb1 O-O Be2 cxd4 cxd4 Qa5+ Bd2 Qxa2 O-O Bg4")
  ("D85s" "Grünfeld: Modern Exchange, 8.Rb1, 10...Qa5+ 11.Bd2 Qxa2 12.O-O Bg4 13.Bg5" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Rb1 O-O Be2 cxd4 cxd4 Qa5+ Bd2 Qxa2 O-O Bg4 Bg5")
  ("D85t" "Grünfeld: Modern Exchange, 8.Be3" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Be3")
  ("D85t" "Grünfeld: Modern Exchange, 8.Be3 Bg4" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Be3 Bg4")
  ("D85t" "Grünfeld: Modern Exchange, 8.Be3 Nc6" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Be3 Nc6")
  ("D85u" "Grünfeld: Modern Exchange, 8.Be3 Qa5" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Be3 Qa5")
  ("D85u" "Grünfeld: Modern Exchange, 8.Be3 Qa5 9.Qd2" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Be3 Qa5 Qd2")
  ("D85v" "Grünfeld: Modern Exchange, 8.Be3 Qa5 9.Qd2 Nc6 10.Rc1" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Be3 Qa5 Qd2 Nc6 Rc1")
  ("D85w" "Grünfeld: Modern Exchange, 8.Be3 O-O" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Be3 O-O")
  ("D85x" "Grünfeld: Modern Exchange, 8.Be3 O-O 9.Rc1 Qa5" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Be3 O-O Rc1 Qa5")
  ("D85x" "Grünfeld: Modern Exchange, 8.Be3 O-O 9.Rc1 Qa5 10.Qd2" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Be3 O-O Rc1 Qa5 Qd2")
  ("D85x" "Grünfeld: Modern Exchange, 8.Be3 O-O 9.Rc1 Qa5 Queenswap, 12.Kxd2" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Be3 O-O Rc1 Qa5 Qd2 cxd4 cxd4 Qxd2+ Kxd2")
  ("D85y" "Grünfeld: Modern Exchange, 8.Be3 O-O 9.Rc1 Qa5 Queenswap, 12.Nxd2" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Nf3 c5 Be3 O-O Rc1 Qa5 Qd2 cxd4 cxd4 Qxd2+ Nxd2")
  ("D86" "Grünfeld: Classical Exchange" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4")
  ("D86" "Grünfeld: Classical Exchange, 7...b6" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 b6")
  ("D86" "Grünfeld: Classical Exchange, 7...c5" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 c5")
  ("D86" "Grünfeld: Classical Exchange, 7...O-O" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O")
  ("D86" "Grünfeld: Classical Exchange, 8.Ne2" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2")
  ("D86" "Grünfeld: Classical Exchange, Larsen Variation" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 Qd7 O-O b6")
  ("D86" "Grünfeld: Classical Exchange, Simagin" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 b6")
  ("D86" "Grünfeld: Classical Exchange, Simagin, 9.h4" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 b6 h4")
  ("D86" "Grünfeld: Classical Exchange, Simagin, 9.O-O" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 b6 O-O")
  ("D86" "Grünfeld: Classical Exchange, Simagin Improved" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 Nc6")
  ("D86" "Grünfeld: Classical Exchange, Simagin Improved, 9.Be3" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 Nc6 Be3")
  ("D86" "Grünfeld: Classical Exchange, Simagin Improved, 9.O-O" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 Nc6 O-O")
  ("D86" "Grünfeld: Classical Exchange, Simagin Improved, 9.O-O e5" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 Nc6 O-O e5")
  ("D86" "Grünfeld: Classical Exchange, Simagin Improved, 9.O-O b6" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 Nc6 O-O b6")
  ("D87a" "Grünfeld: Classical Exchange, 8...c5" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5")
  ("D87b" "Grünfeld: Classical Exchange, 8...c5 9.Be3" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 Be3")
  ("D87c" "Grünfeld: Classical Exchange, 8...c5 9.Be3 Qa5" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 Be3 Qa5")
  ("D87c" "Grünfeld: Classical Exchange, 8...c5 9.Be3 Qa5" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 Be3 Qa5 O-O Nd7")
  ("D87d" "Grünfeld: Classical Exchange, 8...c5 9.Be3 Nc6" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 Be3 Nc6")
  ("D87e" "Grünfeld: Classical Exchange, 9.O-O" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O")
  ("D87f" "Grünfeld: Classical Exchange, 9.O-O Nc6" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6")
  ("D87g" "Grünfeld: Classical Exchange, 9.O-O Nc6 10.Be3" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3")
  ("D87h" "Grünfeld: Classical Exchange, 10.Be3 Qa5" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 Qa5")
  ("D87i" "Grünfeld: Classical Exchange, 10.Be3 Na5" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 Na5")
  ("D87j" "Grünfeld: Classical Exchange, 10.Be3 Qc7" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 Qc7")
  ("D87k" "Grünfeld: Classical Exchange, 10.Be3 Qc7 11.Rc1 Rd8" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 Qc7 Rc1 Rd8")
  ("D87l" "Grünfeld: Classical Exchange, 10.Be3 Qc7 11.Rc1 Rd8 12.Qd2" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 Qc7 Rc1 Rd8 Qd2")
  ("D87m" "Grünfeld: Classical Exchange, 10.Be3 Qc7 11.Rc1 Rd8 12.Bf4" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 Qc7 Rc1 Rd8 Bf4")
  ("D87n" "Grünfeld: Classical Exchange, 10.Be3 Bg4" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 Bg4")
  ("D87o" "Grünfeld: Classical Exchange, 10.Be3 Bg4 11.f3 Na5 12.Bd5" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 Bg4 f3 Na5 Bd5")
  ("D87p" "Grünfeld: Classical Exchange, Seville Variation" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 Bg4 f3 Na5 Bxf7+")
  ("D88" "Grünfeld: Classical Exchange, Main Line" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 cxd4")
  ("D88" "Grünfeld: Classical Exchange, Main Line, 11.cxd4" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 cxd4 cxd4")
  ("D88" "Grünfeld: Classical Exchange, Main Line, 11.cxd4 Na5" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 cxd4 cxd4 Na5")
  ("D88" "Grünfeld: Classical Exchange, Main Line, 11.cxd4 Na5 12.Bd3" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 cxd4 cxd4 Na5 Bd3")
  ("D88" "Grünfeld: Classical Exchange, Main Line, 11.cxd4 Bg4" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 cxd4 cxd4 Bg4")
  ("D88" "Grünfeld: Classical Exchange, Main Line, 11.cxd4 Bg4 12.f3" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 cxd4 cxd4 Bg4 f3")
  ("D88" "Grünfeld: Classical Exchange, Main Line, 11.cxd4 Bg4 12.f3 Na5" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 cxd4 cxd4 Bg4 f3 Na5")
  ("D88" "Grünfeld: Classical Exchange, Main Line, Neo-Seville" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 cxd4 cxd4 Bg4 f3 Na5 Bxf7+")
  ("D88" "Grünfeld: Classical Exchange, Main Line, 11.cxd4 Bg4 12.f3 Na5 13.Bd5" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 cxd4 cxd4 Bg4 f3 Na5 Bd5")
  ("D89a" "Grünfeld: Classical Exchange, Main Line, 13.Bd3" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 cxd4 cxd4 Bg4 f3 Na5 Bd3")
  ("D89b" "Grünfeld: Classical Exchange, Main Line, 13.Bd3 Be6" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 cxd4 cxd4 Bg4 f3 Na5 Bd3 Be6")
  ("D89c" "Grünfeld: Classical Exchange, Main Line, 13.Bd3 Be6 14.Rc1" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 cxd4 cxd4 Bg4 f3 Na5 Bd3 Be6 Rc1")
  ("D89d" "Grünfeld: Classical Exchange, 14.Rc1 Bxa2 15.Qa4 Be6 16.d5 Be7 17.Qb4" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 cxd4 cxd4 Bg4 f3 Na5 Bd3 Be6 Rc1 Bxa2 Qa4 Be6 d5 Bd7 Qb4")
  ("D89e" "Grünfeld: Classical Exchange, 14.Rc1 Bxa2 15.Qa4 with 17.Qb4 b6" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 cxd4 cxd4 Bg4 f3 Na5 Bd3 Be6 Rc1 Bxa2 Qa4 Be6 d5 Bd7 Qb4 b6")
  ("D89f" "Grünfeld: Classical Exchange, 14.Rc1 Bxa2 15.Qa4 with 17.Qb4 e6" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 cxd4 cxd4 Bg4 f3 Na5 Bd3 Be6 Rc1 Bxa2 Qa4 Be6 d5 Bd7 Qb4 e6")
  ("D89g" "Grünfeld: Classical Exchange, Main Line, Sokolsky Variation" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 cxd4 cxd4 Bg4 f3 Na5 Bd3 Be6 d5")
  ("D89h" "Grünfeld: Classical Exchange, Main Line, Sokolsky, 16.Rb1" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 cxd4 cxd4 Bg4 f3 Na5 Bd3 Be6 d5 Bxa1 Qxa1 f6 Rb1")
  ("D89i" "Grünfeld: Classical Exchange, Main Line, Sokolsky, 16.Bh6" "d4 Nf6 c4 g6 Nc3 d5 cxd5 Nxd5 e4 Nxc3 bxc3 Bg7 Bc4 O-O Ne2 c5 O-O Nc6 Be3 cxd4 cxd4 Bg4 f3 Na5 Bd3 Be6 d5 Bxa1 Qxa1 f6 Bh6")
  ("D90" "Grünfeld: Three Knights Variation" "d4 Nf6 c4 g6 Nc3 d5 Nf3")
  ("D90" "Grünfeld: Schlechter Variation" "d4 Nf6 c4 g6 Nc3 d5 Nf3 c6")
  ("D90" "Grünfeld: Schlechter, 5.Qb3" "d4 Nf6 c4 g6 Nc3 d5 Nf3 c6 Qb3")
  ("D90" "Grünfeld: Schlechter, Exchange" "d4 Nf6 c4 g6 Nc3 d5 Nf3 c6 cxd5")
  ("D90" "Grünfeld: Schlechter, Exchange" "d4 Nf6 c4 g6 Nc3 d5 Nf3 c6 cxd5 cxd5")
  ("D90" "Grünfeld: Three Knights Variation" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7")
  ("D90" "Grünfeld: Three Knights, 5.g3" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 g3")
  ("D90" "Grünfeld: Flohr Variation" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qa4+")
  ("D90" "Grünfeld: Three Knights Exchange" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 cxd5")
  ("D90" "Grünfeld: Three Knights Exchange" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 cxd5 Nxd5")
  ("D90" "Grünfeld: Three Knights Exchange, Romanishin Variation" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 cxd5 Nxd5 Qb3")
  ("D90" "Grünfeld: Three Knights Exchange, 6.Bd2" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 cxd5 Nxd5 Bd2")
  ("D90" "Grünfeld: Three Knights Exchange, 6.Bd2 O-O" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 cxd5 Nxd5 Bd2 O-O")
  ("D90" "Grünfeld: Three Knights Exchange, 6.Bd2 O-O 7.Rc1" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 cxd5 Nxd5 Bd2 O-O Rc1")
  ("D91a" "Grünfeld: 5.Bg5" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5")
  ("D91a" "Grünfeld: 5.Bg5 c6" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 c6")
  ("D91b" "Grünfeld: 5.Bg5 dxc4" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 dxc4")
  ("D91c" "Grünfeld: 5.Bg5 dxc4 6.e4" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 dxc4 e4")
  ("D91d" "Grünfeld: 5.Bg5 Ne4" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 Ne4")
  ("D91d" "Grünfeld: 5.Bg5 Ne4 6.Bf4" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 Ne4 Bf4")
  ("D91e" "Grünfeld: 5.Bg5 Ne4 6.Bh4" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 Ne4 Bh4")
  ("D91f" "Grünfeld: 5.Bg5 Ne4 6.Bh4 Nxc3" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 Ne4 Bh4 Nxc3")
  ("D91g" "Grünfeld: 5.Bg5 Ne4 6.Bh4 Nxc3 7.bxc3 dxc4" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 Ne4 Bh4 Nxc3 bxc3 dxc4")
  ("D91h" "Grünfeld: 5.Bg5 Ne4 6.cxd5" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 Ne4 cxd5")
  ("D91i" "Grünfeld: 5.Bg5 Ne4 6.cxd5 Nxg5" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 Ne4 cxd5 Nxg5")
  ("D91j" "Grünfeld: 5.Bg5 Ne4 6.cxd5 Nxg5 7.Nxg5 c6" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 Ne4 cxd5 Nxg5 Nxg5 c6")
  ("D91k" "Grünfeld: 5.Bg5 Ne4 6.cxd5 Nxg5 7.Nxg5 e6" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6")
  ("D91l" "Grünfeld: 5.Bg5 Ne4 6.cxd5 Nxg5 7.Nxg5 e6 8.Qd2" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Qd2")
  ("D91m" "Grünfeld: 5.Bg5 Ne4 6.cxd5 Nxg5 7.Nxg5 e6 8.Qd2 exd5" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Qd2 exd5")
  ("D91n" "Grünfeld: 5.Bg5 Ne4 6.cxd5 Nxg5 7.Nxg5 e6 8.Qd2 exd5: 11.h4 h6" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Qd2 exd5 Qe3+ Kf8 Qf4 Bf6 h4 h6")
  ("D91o" "Grünfeld: 5.Bg5 Ne4 6.cxd5 Nxg5 7.Nxg5 e6 8.Nf3" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Nf3")
  ("D91p" "Grünfeld: 5.Bg5 Ne4 6.cxd5 Nxg5 7.Nxg5 e6 8.Nf3 exd5 9.e3" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Nf3 exd5 e3")
  ("D91q" "Grünfeld: 5.Bg5 Ne4 6.cxd5 Nxg5 7.Nxg5 e6 8.Nf3 exd5 9.e3 O-O" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Nf3 exd5 e3 O-O")
  ("D91r" "Grünfeld: 5.Bg5 Ne4 6.cxd5 Nxg5 7.Nxg5 e6 8.Nf3 exd5 9.e3 O-O 10.Bd3" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Nf3 exd5 e3 O-O Bd3")
  ("D91r" "Grünfeld: 5.Bg5 Ne4 6.cxd5 Nxg5 7.Nxg5 e6 8.Nf3 exd5 9.e3 O-O 10.Bd3" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Nf3 exd5 e3 O-O Bd3 c6")
  ("D91s" "Grünfeld: 5.Bg5 Ne4 6.cxd5 Nxg5 7.Nxg5 e6 8.Nf3 exd5 9.e3 O-O 10.Be2" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Nf3 exd5 e3 O-O Be2")
  ("D91s" "Grünfeld: 5.Bg5 Ne4 6.cxd5 Nxg5 7.Nxg5 e6 8.Nf3 exd5 9.e3 O-O 10.Be2" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Nf3 exd5 e3 O-O Be2 c6")
  ("D91t" "Grünfeld: 5.Bg5 Ne4 6.cxd5 Nxg5 7.Nxg5 e6 8.Nf3 exd5 9.e3 O-O 10.b4" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Nf3 exd5 e3 O-O b4")
  ("D91t" "Grünfeld: 5.Bg5 Ne4 6.cxd5 Nxg5 7.Nxg5 e6 8.Nf3 exd5 9.e3 O-O 10.b4 c6" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bg5 Ne4 cxd5 Nxg5 Nxg5 e6 Nf3 exd5 e3 O-O b4 c6")
  ("D92" "Grünfeld: 5.Bf4" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bf4")
  ("D92" "Grünfeld: 5.Bf4 c6" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bf4 c6")
  ("D92" "Grünfeld: 5.Bf4 O-O" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bf4 O-O")
  ("D92" "Grünfeld: 5.Bf4 O-O 6.Rc1" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bf4 O-O Rc1")
  ("D92" "Grünfeld: 5.Bf4 O-O 6.Rc1 dxc4" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bf4 O-O Rc1 dxc4")
  ("D92" "Grünfeld: 5.Bf4 O-O 6.Rc1 c5" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bf4 O-O Rc1 c5")
  ("D93" "Grünfeld: 5.Bf4 O-O 6.e3" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bf4 O-O e3")
  ("D93" "Grünfeld: 5.Bf4 O-O 6.e3 c5" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bf4 O-O e3 c5")
  ("D93" "Grünfeld: 5.Bf4 O-O 6.e3 c5 7.dxc5" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bf4 O-O e3 c5 dxc5")
  ("D93" "Grünfeld: 5.Bf4 O-O 6.e3 c5 7.dxc5 Qa5" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bf4 O-O e3 c5 dxc5 Qa5")
  ("D93" "Grünfeld: 5.Bf4 O-O 6.e3 c5 7.dxc5 Qa5 8.Rc1" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bf4 O-O e3 c5 dxc5 Qa5 Rc1")
  ("D93" "Grünfeld: 5.Bf4 O-O 6.e3 c5 7.dxc5 Qa5 8.Rc1 dxc4 9.Bxc4" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bf4 O-O e3 c5 dxc5 Qa5 Rc1 dxc4 Bxc4")
  ("D93" "Grünfeld: 5.Bf4 O-O 6.e3 c6" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bf4 O-O e3 c6")
  ("D93" "Grünfeld: 5.Bf4 O-O 6.e3 c6 7.Qb3" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bf4 O-O e3 c6 Qb3")
  ("D93" "Grünfeld: 5.Bf4 O-O 6.e3 c6 7.Rc1" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Bf4 O-O e3 c6 Rc1")
  ("D94" "Grünfeld: 5.e3" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3")
  ("D94" "Grünfeld: Slav/Schlecter" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 c6")
  ("D94" "Grünfeld: Slav/Schlecter, 6.Bd3" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 c6 Bd3")
  ("D94" "Grünfeld: Slav/Schlecter, 6.Be2" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 c6 Be2")
  ("D94" "Grünfeld: Slav/Schlecter, 6.Be2 O-O" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 c6 Be2 O-O")
  ("D94" "Grünfeld: Slav/Schlecter, 6.Be2 O-O 7.O-O" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 c6 Be2 O-O O-O")
  ("D94" "Grünfeld: 5.e3 O-O" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O")
  ("D94" "Grünfeld: Makogonov Variation" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O b4")
  ("D94" "Grünfeld: Opovcensky Variation" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Bd2")
  ("D94" "Grünfeld: 5.e3 O-O 6.Be2" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Be2")
  ("D94" "Grünfeld: 5.e3 O-O 6.Be2 c5" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Be2 c5")
  ("D94" "Grünfeld: 5.e3 O-O 6.Bd3" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Bd3")
  ("D94" "Grünfeld: 5.e3 O-O 6.Bd3 c6" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Bd3 c6")
  ("D94" "Grünfeld: Smyslov Defence" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Bd3 c6 O-O Bg4")
  ("D94" "Grünfeld: Flohr Defence" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Bd3 c6 O-O Bf5")
  ("D94" "Grünfeld: 5.e3 O-O 6.cxd5" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O cxd5")
  ("D94" "Grünfeld: 5.e3 O-O 6.cxd5" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O cxd5 Nxd5")
  ("D94" "Grünfeld: 5.e3 O-O 6.cxd5 Nxd5 7.Bc4" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O cxd5 Nxd5 Bc4")
  ("D95a" "Grünfeld: 5.e3 O-O 6.Qb3" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Qb3")
  ("D95b" "Grünfeld: 5.e3 O-O 6.Qb3 b6" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Qb3 b6")
  ("D95c" "Grünfeld: 5.e3 O-O 6.Qb3 c6" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Qb3 c6")
  ("D95d" "Grünfeld: 5.e3 O-O 6.Qb3 c6 7.Bd2" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Qb3 c6 Bd2")
  ("D95e" "Grünfeld: 5.e3 O-O 6.Qb3 c6 7.Bd2 e6" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Qb3 c6 Bd2 e6")
  ("D95f" "Grünfeld: 5.e3 O-O 6.Qb3 c6 7.Bd2 e6 8.Bd3" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Qb3 c6 Bd2 e6 Bd3")
  ("D95g" "Grünfeld: Botvinnik Variation" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Qb3 e6")
  ("D95h" "Grünfeld: Botvinnik, 7.Bd2" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Qb3 e6 Bd2")
  ("D95i" "Grünfeld: 5.e3 O-O 6.Qb3 dxc4" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Qb3 dxc4")
  ("D95i" "Grünfeld: 5.e3 O-O 6.Qb3 dxc4 7.Bxc4" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Qb3 dxc4 Bxc4")
  ("D95i" "Grünfeld: Pachman Variation" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Qb3 dxc4 Bxc4 Nbd7 Ng5")
  ("D95j" "Grünfeld: 5.e3 O-O 6.Qb3 dxc4 7.Bxc4 Nc6" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 e3 O-O Qb3 dxc4 Bxc4 Nc6")
  ("D96" "Grünfeld: Russian Variation" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3")
  ("D96" "Grünfeld: Russian, 5...c6" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 c6")
  ("D96" "Grünfeld: Russian, 5...c6 6.Bf4" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 c6 Bf4")
  ("D96" "Grünfeld: Russian, 5...c6 6.cxd5 cxd5" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 c6 cxd5 cxd5")
  ("D96" "Grünfeld: Russian, 5...c6 6.cxd5 Nxd5" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 c6 cxd5 Nxd5")
  ("D96" "Grünfeld: Russian, 5...dxc4" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4")
  ("D96" "Grünfeld: Russian, 5...dxc4" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4")
  ("D96" "Grünfeld: Russian, 6...O-O" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 a6")
  ("D96" "Grünfeld: Russian, 6...a6" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O")
  ("D96" "Grünfeld: Russian, 7.Bf4" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O Bf4")
  ("D96" "Grünfeld: Russian, 7.Bf4 c6" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O Bf4 c6")
  ("D97a" "Grünfeld: Russian, 7.e4" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4")
  ("D97a" "Grünfeld: Russian, 7.e4 Nfd7" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Nfd7")
  ("D97b" "Grünfeld: Russian, Levenfish Variation" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 b6")
  ("D97c" "Grünfeld: Russian, Szabo Variation" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 c6")
  ("D97c" "Grünfeld: Russian, Szabo, 8.Be2" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 c6 Be2")
  ("D97d" "Grünfeld: Russian, Alekhine (Hungarian) Variation" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 a6")
  ("D97e" "Grünfeld: Russian, Alekhine, 8.Be2" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 a6 Be2")
  ("D97f" "Grünfeld: Russian, Alekhine, 8.Be2 b5 9.Qb3" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 a6 Be2 b5 Qb3")
  ("D97g" "Grünfeld: Russian, Alekhine, 8.Qb3" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 a6 Qb3")
  ("D97h" "Grünfeld: Russian, Alekhine, 8.e5" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 a6 e5")
  ("D97i" "Grünfeld: Russian, Alekhine, 8.e5 b5 9.Qb3" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 a6 e5 b5 Qb3")
  ("D97j" "Grünfeld: Russian, Alekhine, 8.e5 b5 9.Qb3 Nfd7" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 a6 e5 b5 Qb3 Nfd7")
  ("D97k" "Grünfeld: Russian, Alekhine, 8.e5 b5 9.Qb3 Nfd7 10.Be3" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 a6 e5 b5 Qb3 Nfd7 Be3")
  ("D97l" "Grünfeld: Russian, Simagin Variation" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Nc6")
  ("D97l" "Grünfeld: Russian, Simagin, 8.Be2" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Nc6 Be2")
  ("D97m" "Grünfeld: Russian, Prins Variation" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Na6")
  ("D97n" "Grünfeld: Russian, Prins, 8.Bf4" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Na6 Bf4")
  ("D97o" "Grünfeld: Russian, Prins, 8.Be2" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Na6 Be2")
  ("D97p" "Grünfeld: Russian, Prins, 8.Be2, Main Line" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Na6 Be2 c5 d5 e6 O-O exd5 exd5 Bf5")
  ("D98" "Grünfeld: Russian, Smyslov Variation" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Bg4")
  ("D98" "Grünfeld: Russian, Smyslov, 8.Be2" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be2")
  ("D98" "Grünfeld: Russian, Smyslov, 8.Be2 Nc6" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be2 Nc6")
  ("D98" "Grünfeld: Russian, Smyslov, 8.Be2 Nc6 9.d5" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be2 Nc6 d5")
  ("D98" "Grünfeld: Russian, Smyslov, 8.Be3" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3")
  ("D98" "Grünfeld: Russian, Smyslov, 8.Be3 Nfd7" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7")
  ("D98" "Grünfeld: Russian, Smyslov, 8.Be3 Nfd7 9.Be2" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7 Be2")
  ("D98" "Grünfeld: Russian, Smyslov, Keres Variation" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7 Be2 Nb6 Qd3 Nc6 O-O-O")
  ("D98" "Grünfeld: Russian, Smyslov, 8.Be3 Nfd7 9.O-O-O" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7 O-O-O")
  ("D98" "Grünfeld: Russian, Smyslov, 8.Be3 Nfd7 9.Rd1" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7 Rd1")
  ("D98" "Grünfeld: Russian, Smyslov, 8.Be3 Nfd7 9.Rd1 Nc6" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7 Rd1 Nc6")
  ("D99a" "Grünfeld: Russian, Smyslov, Main Line" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7 Qb3")
  ("D99b" "Grünfeld: Russian, Smyslov, Yugoslav" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7 Qb3 c5")
  ("D99c" "Grünfeld: Russian, Smyslov, Main Line, 9...Nb6" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7 Qb3 Nb6")
  ("D99d" "Grünfeld: Russian, Smyslov, Main Line, 9...Nb6 10.Rd1" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7 Qb3 Nb6 Rd1")
  ("D99e" "Grünfeld: Russian, Smyslov, Main Line, 9...Nb6 10.Rd1 e6" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7 Qb3 Nb6 Rd1 e6")
  ("D99f" "Grünfeld: Russian, Smyslov, Main Line, 9...Nb6 10.Rd1 Nc6" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7 Qb3 Nb6 Rd1 Nc6")
  ("D99g" "Grünfeld: Russian, Smyslov, Main Line, 9...Nb6 10.Rd1 Nc6 11.d5 Ne5" "d4 Nf6 c4 g6 Nc3 d5 Nf3 Bg7 Qb3 dxc4 Qxc4 O-O e4 Bg4 Be3 Nfd7 Qb3 Nb6 Rd1 Nc6 d5 Ne5")
  ("E00a" "Queen's Pawn: Neo-Indian" "d4 Nf6 c4 e6")
  ("E00a" "Queen's Pawn: Neo-Indian, Devin Gambit" "d4 Nf6 c4 e6 g4")
  ("E00b" "Queen's Pawn: Anti-Nimzo-Indian" "d4 Nf6 c4 e6 a3")
  ("E00b" "Queen's Pawn: Anti-Nimzo-Indian, 3...d5" "d4 Nf6 c4 e6 a3 d5")
  ("E00c" "Neo-Indian (Seirawan) Attack" "d4 Nf6 c4 e6 Bg5")
  ("E00d" "Queen's Pawn: Neo-Indian" "d4 Nf6 c4 e6 Nc3")
  ("E00e" "Queen's Pawn: Neo-Indian, 3...b6" "d4 Nf6 c4 e6 Nc3 b6")
  ("E00e" "Queen's Pawn: Neo-Indian, 3...b6" "d4 Nf6 c4 e6 Nc3 b6 e4")
  ("E00f" "Queen's Pawn: Neo-Indian, 3...c5" "d4 Nf6 c4 e6 Nc3 c5")
  ("E00g" "Catalan" "d4 Nf6 c4 e6 g3")
  ("E00g" "Catalan: Hungarian Gambit" "d4 Nf6 c4 e6 g3 e5")
  ("E00g" "Catalan: 3...c6" "d4 Nf6 c4 e6 g3 c6")
  ("E00h" "Catalan: 3...c5" "d4 Nf6 c4 e6 g3 c5")
  ("E00h" "Catalan: 3...c5 4.Nf3" "d4 Nf6 c4 e6 g3 c5 Nf3")
  ("E00i" "Catalan: 3...Bb4+" "d4 Nf6 c4 e6 g3 Bb4+")
  ("E00i" "Catalan: 3...Bb4+ 4.Nd2" "d4 Nf6 c4 e6 g3 Bb4+ Nd2")
  ("E00j" "Catalan: 3...Bb4+ 4.Bd2" "d4 Nf6 c4 e6 g3 Bb4+ Bd2")
  ("E00k" "Catalan: 3...Bb4+ 4.Bd2 Bxd2+" "d4 Nf6 c4 e6 g3 Bb4+ Bd2 Bxd2+")
  ("E00l" "Catalan: 3...Bb4+ 4.Bd2 Be7" "d4 Nf6 c4 e6 g3 Bb4+ Bd2 Be7")
  ("E00m" "Catalan: 3...Bb4+ 4.Bd2 Qe7" "d4 Nf6 c4 e6 g3 Bb4+ Bd2 Qe7")
  ("E00m" "Catalan: 3...Bb4+ 4.Bd2 Qe7" "d4 Nf6 c4 e6 g3 Bb4+ Bd2 Qe7 Bg2")
  ("E00n" "Catalan: 3...d5" "d4 Nf6 c4 e6 g3 d5")
  ("E00o" "Catalan: 4.Nf3" "d4 Nf6 c4 e6 g3 d5 Nf3")
  ("E00p" "Catalan: 4.Nf3 c6" "d4 Nf6 c4 e6 g3 d5 Nf3 c6")
  ("E00q" "Catalan: 4.Nf3 c5" "d4 Nf6 c4 e6 g3 d5 Nf3 c5")
  ("E00r" "Catalan: 4.Nf3 Bb4+" "d4 Nf6 c4 e6 g3 d5 Nf3 Bb4+")
  ("E00r" "Catalan: 4.Nf3 Bb4+ 5.Bd2" "d4 Nf6 c4 e6 g3 d5 Nf3 Bb4+ Bd2")
  ("E00s" "Catalan: 4.Nf3 Be7" "d4 Nf6 c4 e6 g3 d5 Nf3 Be7")
  ("E00t" "Catalan: 4.Nf3 dxc4" "d4 Nf6 c4 e6 g3 d5 Nf3 dxc4")
  ("E00u" "Catalan: 4.Nf3 dxc4 5.Qa4+" "d4 Nf6 c4 e6 g3 d5 Nf3 dxc4 Qa4+")
  ("E00v" "Catalan: 4.Nf3 dxc4 5.Qa4+ Nbd7" "d4 Nf6 c4 e6 g3 d5 Nf3 dxc4 Qa4+ Nbd7")
  ("E01" "Catalan: 4.Bg2" "d4 Nf6 c4 e6 g3 d5 Bg2")
  ("E01" "Catalan: 4...Bb4+" "d4 Nf6 c4 e6 g3 d5 Bg2 Bb4+")
  ("E01" "Catalan: 4...Bb4+ 5.Bd2" "d4 Nf6 c4 e6 g3 d5 Bg2 Bb4+ Bd2")
  ("E01" "Catalan: 4...Bb4+ 5.Nd2" "d4 Nf6 c4 e6 g3 d5 Bg2 Bb4+ Nd2")
  ("E01" "Catalan: 4...Bb4+ 5.Nd2 O-O" "d4 Nf6 c4 e6 g3 d5 Bg2 Bb4+ Nd2 O-O")
  ("E01" "Catalan: 4...c6" "d4 Nf6 c4 e6 g3 d5 Bg2 c6")
  ("E01" "Catalan: 4...c6 5.Qc2" "d4 Nf6 c4 e6 g3 d5 Bg2 c6 Qc2")
  ("E01" "Catalan: 4...c6 5.Nf3" "d4 Nf6 c4 e6 g3 d5 Bg2 c6 Nf3")
  ("E01" "Catalan: 4...c6 5.Nf3 Nbd7" "d4 Nf6 c4 e6 g3 d5 Bg2 c6 Nf3 Nbd7")
  ("E01" "Catalan: 4...c5" "d4 Nf6 c4 e6 g3 d5 Bg2 c5")
  ("E01" "Catalan: 4...c5 5.Nf3" "d4 Nf6 c4 e6 g3 d5 Bg2 c5 Nf3")
  ("E01" "Catalan: Open" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4")
  ("E02" "Catalan: Open, 5.Qa4+" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+")
  ("E02" "Catalan: Open, 5.Qa4+ Bd7" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Bd7")
  ("E02" "Catalan: Open, 5.Qa4+ Bd7 6.Qxc4" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Bd7 Qxc4")
  ("E02" "Catalan: Open, 5.Qa4+ Nbd7" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7")
  ("E02" "Catalan: Open, 5.Qa4+ Nbd7 6.Nf3" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Nf3")
  ("E02" "Catalan: Open, 5.Qa4+ Nbd7 6.Nf3 a6" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Nf3 a6")
  ("E02" "Catalan: Open, 5.Qa4+ Nbd7 6.Nf3 a6 7.Nc3" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Nf3 a6 Nc3")
  ("E03" "Catalan: Open, 5.Qa4+ Nbd7 6.Qxc4" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4")
  ("E03" "Catalan: Open, 5.Qa4+ Nbd7 6.Qxc4 a6" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 a6")
  ("E03" "Catalan: Open, Alekhine Variation" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 a6 Qc2")
  ("E03" "Catalan: Open, 5.Qa4+ Nbd7 6.Qxc4 a6 7.Nf3" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 a6 Nf3")
  ("E03" "Catalan: Open, 5.Qa4+ Nbd7 6.Qxc4 a6 7.Nf3 b5" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 a6 Nf3 b5")
  ("E03" "Catalan: Open, 5.Qa4+ Nbd7 6.Qxc4 a6 7.Nf3 b5 8.Qc2" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 a6 Nf3 b5 Qc2")
  ("E03" "Catalan: Open, 5.Qa4+ Nbd7 6.Qxc4 a6 7.Nf3 b5 8.Qc6" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 a6 Nf3 b5 Qc6")
  ("E03" "Catalan: Open, 5.Qa4+ Nbd7 6.Qxc4 c5" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 c5")
  ("E03" "Catalan: Open, 5.Qa4+ Nbd7 6.Qxc4 c5 7.Nf3" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 c5 Nf3")
  ("E03" "Catalan: Open, 5.Qa4+ Nbd7 6.Qxc4 c5 7.Nf3 a6" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 c5 Nf3 a6")
  ("E03" "Catalan: Open, 5.Qa4+ Nbd7 6.Qxc4 c5 7.Nf3 a6 8.O-O" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 c5 Nf3 a6 O-O")
  ("E03" "Catalan: Open, 5.Qa4+ Nbd7 6.Qxc4 c5 7.Nf3 a6 8.Qc2" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 c5 Nf3 a6 Qc2")
  ("E03" "Catalan: Open, 5.Qa4+ Nbd7 6.Qxc4 c5 7.Nf3 a6 8.Qc2 b6" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Qa4+ Nbd7 Qxc4 c5 Nf3 a6 Qc2 b6")
  ("E04a" "Catalan: Open, 5.Nf3" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3")
  ("E04a" "Catalan: Open, 5.Nf3 Bd7" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Bd7")
  ("E04b" "Catalan: Open, 5.Nf3 Bb4+" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Bb4+")
  ("E04c" "Catalan: Open, 5.Nf3 Nbd7" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Nbd7")
  ("E04d" "Catalan: Open, 5.Nf3 b5" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 b5")
  ("E04e" "Catalan: Open, 5.Nf3 a6" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 a6")
  ("E04f" "Catalan: Open, 5.Nf3 a6 6.O-O" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 a6 O-O")
  ("E04g" "Catalan: Open, 5.Nf3 a6 6.O-O b5" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 a6 O-O b5")
  ("E04g" "Catalan: Open, 5.Nf3 a6 6.O-O b5 7.Ne5" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 a6 O-O b5 Ne5")
  ("E04h" "Catalan: Open, 5.Nf3 a6 6.O-O b5 7.Ne5 Nd5 8.a4" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 a6 O-O b5 Ne5 Nd5 a4")
  ("E04i" "Catalan: Open, 5.Nf3 a6 6.O-O Nc6" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 a6 O-O Nc6")
  ("E04j" "Catalan: Open, 5.Nf3 a6 6.O-O Nc6 7.e3" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 a6 O-O Nc6 e3")
  ("E04k" "Catalan: Open, 5.Nf3 c5" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 c5")
  ("E04k" "Catalan: Open, 5.Nf3 c5 6.O-O" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 c5 O-O")
  ("E04l" "Catalan: Open, 5.Nf3 c5 6.O-O Nc6" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 c5 O-O Nc6")
  ("E04m" "Catalan: Open, 5.Nf3 c5 6.O-O Nc6 7.Ne5" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 c5 O-O Nc6 Ne5")
  ("E04n" "Catalan: Open, 5.Nf3 c5 6.O-O Nc6 7.Ne5 Bd7 8.Na3" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 c5 O-O Nc6 Ne5 Bd7 Na3")
  ("E04n" "Catalan: Open, 5.Nf3 c5 6.O-O Nc6 7.Ne5 Bd7 8.Na3" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 c5 O-O Nc6 Ne5 Bd7 Na3 cxd4 Naxc4")
  ("E04o" "Catalan: Open, 5.Nf3 c5 6.O-O Nc6 7.Qa4" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 c5 O-O Nc6 Qa4")
  ("E04o" "Catalan: Open, 5.Nf3 c5 6.O-O Nc6 7.Qa4 cxd4" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 c5 O-O Nc6 Qa4 cxd4")
  ("E04p" "Catalan: Open, 5.Nf3 c5 6.O-O Nc6 7.Qa4 Bd7" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 c5 O-O Nc6 Qa4 Bd7")
  ("E04q" "Catalan: Open, 5.Nf3 c5 6.O-O Nc6 7.Qa4 Bd7 8.Qxc4" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 c5 O-O Nc6 Qa4 Bd7 Qxc4")
  ("E04r" "Catalan: Open, 5.Nf3 Nc6" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Nc6")
  ("E04r" "Catalan: Open, 5.Nf3 Nc6 6.O-O" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Nc6 O-O")
  ("E04s" "Catalan: Open, 5.Nf3 Nc6 6.O-O Rb8" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Nc6 O-O Rb8")
  ("E04t" "Catalan: Open, 5.Nf3 Nc6 6.O-O Rb8 7.Nc3" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Nc6 O-O Rb8 Nc3")
  ("E04u" "Catalan: Open, 5.Nf3 Nc6 6.Qa4" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Nc6 Qa4")
  ("E04v" "Catalan: Open, 5.Nf3 Nc6 6.Qa4 Bb4+" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Nc6 Qa4 Bb4+")
  ("E04w" "Catalan: Open, 5.Nf3 Nc6 6.Qa4 Bb4+ 7.Bd2 Nd5" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Nc6 Qa4 Bb4+ Bd2 Nd5")
  ("E05a" "Catalan: Open, Classical" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7")
  ("E05b" "Catalan: Open, Classical, 6.Nc3" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 Nc3")
  ("E05c" "Catalan: Open, Classical, 6.Nc3 O-O" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 Nc3 O-O")
  ("E05d" "Catalan: Open, Classical, 6.Nc3 O-O 7.Ne5" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 Nc3 O-O Ne5")
  ("E05e" "Catalan: Open, Classical, 6.O-O" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 O-O")
  ("E05f" "Catalan: Open, Classical, 6.O-O O-O" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 O-O O-O")
  ("E05g" "Catalan: Open, Classical, 7.Ne5" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 O-O O-O Ne5")
  ("E05h" "Catalan: Open, Classical, 7.Ne5 Nc6 8.Nxc6" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 O-O O-O Ne5 Nc6 Nxc6")
  ("E05i" "Catalan: Open, Classical, 7.Qc2" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 O-O O-O Qc2")
  ("E05j" "Catalan: Open, Classical Main Line" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 O-O O-O Qc2 a6")
  ("E05k" "Catalan: Open, Classical, 8.a4" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 O-O O-O Qc2 a6 a4")
  ("E05l" "Catalan: Open, Classical, 8.a4 Bd7" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 O-O O-O Qc2 a6 a4 Bd7")
  ("E05m" "Catalan: Open, Classical, 8.a4 Bd7 9.Qxc4" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 O-O O-O Qc2 a6 a4 Bd7 Qxc4")
  ("E05m" "Catalan: Open, Classical, 8.a4 Bd7 9.Qxc4" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 O-O O-O Qc2 a6 a4 Bd7 Qxc4 Bc6")
  ("E05n" "Catalan: Open, Classical, 8.a4, 10.Bg5 Bd5" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 O-O O-O Qc2 a6 a4 Bd7 Qxc4 Bc6 Bg5 Bd5")
  ("E05o" "Catalan: Open, Classical, 8.a4, 10.Bg5 a5" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 O-O O-O Qc2 a6 a4 Bd7 Qxc4 Bc6 Bg5 a5")
  ("E05p" "Catalan: Open, Classical, 8.Qxc4" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 O-O O-O Qc2 a6 Qxc4")
  ("E05q" "Catalan: Open, Classical, 8.Qxc4 b5 9.Qc2 Bb7" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 O-O O-O Qc2 a6 Qxc4 b5 Qc2 Bb7")
  ("E05r" "Catalan: Open, Classical, 8.Qxc4, 10.Bg5" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 O-O O-O Qc2 a6 Qxc4 b5 Qc2 Bb7 Bg5")
  ("E05s" "Catalan: Open, Classical, 8.Qxc4, 10.Bd2" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 O-O O-O Qc2 a6 Qxc4 b5 Qc2 Bb7 Bd2")
  ("E05t" "Catalan: Open, Classical, 8.Qxc4, 10.Bd2 Be4" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 O-O O-O Qc2 a6 Qxc4 b5 Qc2 Bb7 Bd2 Be4")
  ("E05u" "Catalan: Open, Classical, 8.Qxc4, 10.Bf4" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 O-O O-O Qc2 a6 Qxc4 b5 Qc2 Bb7 Bf4")
  ("E05v" "Catalan: Open, Classical, 8.Qxc4, 10.Bf4 Nc6" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 O-O O-O Qc2 a6 Qxc4 b5 Qc2 Bb7 Bf4 Nc6")
  ("E05v" "Catalan: Open, Classical, 8.Qxc4, 10.Bf4 Nc6 11.Rd1" "d4 Nf6 c4 e6 g3 d5 Bg2 dxc4 Nf3 Be7 O-O O-O Qc2 a6 Qxc4 b5 Qc2 Bb7 Bf4 Nc6 Rd1")
  ("E06" "Catalan: Closed" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7")
  ("E06" "Catalan: Closed, 5.Nf3" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3")
  ("E06" "Catalan: Closed, 5.Nf3 O-O" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O")
  ("E06" "Catalan: Closed, 6.Qc2" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O Qc2")
  ("E06" "Catalan: Closed, 6.O-O" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O")
  ("E06" "Catalan: Closed, 6.O-O c5" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O c5")
  ("E06" "Catalan: Closed, 6.O-O c5 7.cxd5" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O c5 cxd5")
  ("E06" "Catalan: Closed, 6.O-O c6" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O c6")
  ("E06" "Catalan: Closed, 6.O-O c6 7.b3" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O c6 b3")
  ("E06" "Catalan: Closed, 6.O-O c6 7.Nbd2" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O c6 Nbd2")
  ("E06" "Catalan: Closed, 6.O-O c6 7.Nc3" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O c6 Nc3")
  ("E06" "Catalan: Closed, 6.O-O c6 7.Nc3 b6" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O c6 Nc3 b6")
  ("E06" "Catalan: Closed, 6.O-O c6 7.Nc3 b6 8.Ne5" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O c6 Nc3 b6 Ne5")
  ("E06" "Catalan: Closed, 6.O-O c6 7.Qc2" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O c6 Qc2")
  ("E06" "Catalan: Closed, 6.O-O c6 7.Qc2 b6" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O c6 Qc2 b6")
  ("E07" "Catalan: Closed, 6...Nbd7" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7")
  ("E07" "Catalan: Closed, 6...Nbd7 7.Nbd2" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Nbd2")
  ("E07" "Catalan: Closed, 6...Nbd7 7.Qd3" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qd3")
  ("E07" "Catalan: Closed, 6...Nbd7 7.b3" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 b3")
  ("E07" "Catalan: Closed, 6...Nbd7 7.b3" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 b3 c6")
  ("E07" "Catalan: Closed, 6...Nbd7 7.b3" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 b3 c6 Ba3")
  ("E07" "Catalan: Closed, 6...Nbd7 7.b3" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 b3 c6 Bb2")
  ("E07" "Catalan: Closed, 6...Nbd7 7.Nc3" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Nc3")
  ("E07" "Catalan: Closed, 6...Nbd7 7.Nc3 dxc4" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Nc3 dxc4")
  ("E07" "Catalan: Closed, 6...Nbd7 7.Nc3 dxc4" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Nc3 dxc4 e4")
  ("E07" "Catalan: Closed, 6...Nbd7 7.Nc3 c6" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Nc3 c6")
  ("E07" "Catalan: Closed, 6...Nbd7 7.Nc3 c6 8.Qb3" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Nc3 c6 Qb3")
  ("E07" "Catalan: Closed, Botvinnik Variation" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Nc3 c6 Qd3")
  ("E07" "Catalan: Closed, 6...Nbd7 7.Nc3 c6 8.b3" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Nc3 c6 b3")
  ("E08a" "Catalan: Closed, 7.Qc2" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2")
  ("E08b" "Catalan: Closed, 7.Qc2 c5" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c5")
  ("E08c" "Catalan: Closed, 7.Qc2 b6" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 b6")
  ("E08d" "Catalan: Closed, 7.Qc2 c6" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6")
  ("E08e" "Catalan: Closed, 7.Qc2 c6 8.Rd1" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Rd1")
  ("E08f" "Catalan: Closed, 7.Qc2 c6 8.Rd1 b6" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Rd1 b6")
  ("E08f" "Catalan: Closed, Zagoryansky Variation" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Rd1 b6 a4")
  ("E08g" "Catalan: Closed, 7.Qc2 c6 8.Bf4" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Bf4")
  ("E08h" "Catalan: Closed, 7.Qc2 c6 8.Bf4 Nh5" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Bf4 Nh5")
  ("E08i" "Catalan: Closed, 7.Qc2 c6 8.Bf4 Ne4" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Bf4 Ne4")
  ("E08j" "Catalan: Closed, 7.Qc2 c6 8.Bf4 b6" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Bf4 b6")
  ("E08k" "Catalan: Closed, 7.Qc2 c6 8.b3" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 b3")
  ("E08l" "Catalan: Closed, 7.Qc2 c6 8.b3 b5" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 b3 b5")
  ("E08m" "Catalan: Closed, 7.Qc2 c6 8.b3 b6" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 b3 b6")
  ("E08n" "Catalan: Closed, 7.Qc2 c6 8.b3 b6 9.Rd1" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 b3 b6 Rd1")
  ("E08n" "Catalan: Closed, 7.Qc2 c6 8.b3 b6 9.Rd1 Ba6" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 b3 b6 Rd1 Ba6")
  ("E08o" "Catalan: Closed, 7.Qc2 c6 8.b3 b6 9.Rd1 Ba6 10.Nbd2" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 b3 b6 Rd1 Ba6 Nbd2")
  ("E08p" "Catalan: Closed, 7.Qc2 c6 8.b3 b6 9.Rd1 Bb7" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 b3 b6 Rd1 Bb7")
  ("E08p" "Catalan: Closed, 7.Qc2 c6 8.b3 b6 9.Rd1 Bb7 10.Nc3" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 b3 b6 Rd1 Bb7 Nc3")
  ("E08p" "Catalan: Closed, Spassky Gambit" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 b3 b6 Rd1 Bb7 Nc3 b5")
  ("E08q" "Catalan: Closed, 7.Qc2 c6 8.b3 b6 9.Rd1 Bb7 10.Nc3 Rc8" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 b3 b6 Rd1 Bb7 Nc3 Rc8")
  ("E08q" "Catalan: Closed, 7.Qc2 c6 8.b3 b6 9.Rd1 Bb7 10.Nc3 Rc8 11.e4" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 b3 b6 Rd1 Bb7 Nc3 Rc8 e4")
  ("E08r" "Catalan: Closed, 7.Qc2 c6 8.b3 b6 9.Rd1 Bb7 10.Nc3 Rc8 11.e4 dxe4" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 b3 b6 Rd1 Bb7 Nc3 Rc8 e4 dxe4")
  ("E09a" "Catalan: Closed, Main Line" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Nbd2")
  ("E09b" "Catalan: Closed, Main Line, 8...b5" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Nbd2 b5")
  ("E09c" "Catalan: Closed, Main Line, 8...Re8" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Nbd2 Re8")
  ("E09d" "Catalan: Closed, Main Line, 8...b6" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Nbd2 b6")
  ("E09e" "Catalan: Closed, Main Line, 9.b3" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Nbd2 b6 b3")
  ("E09e" "Catalan: Closed, Main Line, Sokolsky Variation" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Nbd2 b6 b3 a5 Bb2 Ba6")
  ("E09e" "Catalan: Closed, Main Line, 9.b3 Bb7" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Nbd2 b6 b3 Bb7")
  ("E09f" "Catalan: Closed, Main Line, 9.b3 Bb7 10.Bb2" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Nbd2 b6 b3 Bb7 Bb2")
  ("E09g" "Catalan: Closed, Main Line, 9.b3 Bb7 10.Bb2 Rc8" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Nbd2 b6 b3 Bb7 Bb2 Rc8")
  ("E09h" "Catalan: Closed, Main Line, 9.e4" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Nbd2 b6 e4")
  ("E09i" "Catalan: Closed, Main Line, 9.e4 Ba6" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Nbd2 b6 e4 Ba6")
  ("E09i" "Catalan: Closed, Main Line, 9.e4 Ba6 10.b3" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Nbd2 b6 e4 Ba6 b3")
  ("E09j" "Catalan: Closed, Main Line, 9.e4 dxe4" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Nbd2 b6 e4 dxe4")
  ("E09k" "Catalan: Closed, Main Line, 9.e4 Bb7" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Nbd2 b6 e4 Bb7")
  ("E09l" "Catalan: Closed, Main Line, 9.e4 Bb7 10.e5" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Nbd2 b6 e4 Bb7 e5")
  ("E09m" "Catalan: Closed, Main Line, 9.e4 Bb7 10.b3" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Nbd2 b6 e4 Bb7 b3")
  ("E09n" "Catalan: Closed, Main Line, 9.e4 Bb7 10.b3 Rc8 11.Bb2" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Nbd2 b6 e4 Bb7 b3 Rc8 Bb2")
  ("E09o" "Catalan: Closed, Main Line, 9.e4 Bb7 10.b3 Rc8 11.Bb2 c5" "d4 Nf6 c4 e6 g3 d5 Bg2 Be7 Nf3 O-O O-O Nbd7 Qc2 c6 Nbd2 b6 e4 Bb7 b3 Rc8 Bb2 c5")
  ("E10a" "Neo-Indian: 3.Nf3" "d4 Nf6 c4 e6 Nf3")
  ("E10b" "Neo-Indian: Döry Defence" "d4 Nf6 c4 e6 Nf3 Ne4")
  ("E10c" "Neo-Indian: 3.Nf3 Be7" "d4 Nf6 c4 e6 Nf3 Be7")
  ("E10d" "Neo-Indian: 3.Nf3 a6" "d4 Nf6 c4 e6 Nf3 a6")
  ("E10e" "Neo-Indian: 3.Nf3 a6 4.Nc3" "d4 Nf6 c4 e6 Nf3 a6 Nc3")
  ("E10f" "Neo-Indian: 3.Nf3 a6 4.Nc3 c5" "d4 Nf6 c4 e6 Nf3 a6 Nc3 c5")
  ("E10g" "Neo-Indian: Blumenfeld/Benoni" "d4 Nf6 c4 e6 Nf3 c5")
  ("E10h" "Neo-Indian: Blumenfeld/Benoni, 4.e3" "d4 Nf6 c4 e6 Nf3 c5 e3")
  ("E10i" "Neo-Indian: Blumenfeld/Benoni, 4.e3 b6" "d4 Nf6 c4 e6 Nf3 c5 e3 b6")
  ("E10j" "Neo-Indian: Blumenfeld/Benoni, 4.e3 cxd4" "d4 Nf6 c4 e6 Nf3 c5 e3 cxd4")
  ("E10k" "Neo-Indian: Blumenfeld/Benoni, 4.d5" "d4 Nf6 c4 e6 Nf3 c5 d5")
  ("E10k" "Blumenfeld Countergambit" "d4 Nf6 c4 e6 Nf3 c5 d5 b5")
  ("E10k" "Blumenfeld: 5.dxe6" "d4 Nf6 c4 e6 Nf3 c5 d5 b5 dxe6")
  ("E10k" "Blumenfeld: 5.dxe6 fxe6 6.cxb5" "d4 Nf6 c4 e6 Nf3 c5 d5 b5 dxe6 fxe6 cxb5")
  ("E10l" "Blumenfeld: 5.dxe6 fxe6 6.cxb5 d5" "d4 Nf6 c4 e6 Nf3 c5 d5 b5 dxe6 fxe6 cxb5 d5")
  ("E10m" "Blumenfeld: 5.Bg5" "d4 Nf6 c4 e6 Nf3 c5 d5 b5 Bg5")
  ("E10n" "Blumenfeld: 5.Bg5 h6" "d4 Nf6 c4 e6 Nf3 c5 d5 b5 Bg5 h6")
  ("E10o" "Blumenfeld: 5.Bg5 Qa5+" "d4 Nf6 c4 e6 Nf3 c5 d5 b5 Bg5 Qa5+")
  ("E10p" "Blumenfeld: 5.Bg5 exd5" "d4 Nf6 c4 e6 Nf3 c5 d5 b5 Bg5 exd5")
  ("E10q" "Blumenfeld: Spielmann Variation" "d4 Nf6 c4 e6 Nf3 c5 d5 b5 Bg5 exd5 cxd5 h6")
  ("E11a" "Bogo-Indian" "d4 Nf6 c4 e6 Nf3 Bb4+")
  ("E11a" "Bogo-Indian: 4.Nbd2" "d4 Nf6 c4 e6 Nf3 Bb4+ Nbd2")
  ("E11b" "Bogo-Indian: 4.Nbd2 d5" "d4 Nf6 c4 e6 Nf3 Bb4+ Nbd2 d5")
  ("E11c" "Bogo-Indian: 4.Nbd2 b6" "d4 Nf6 c4 e6 Nf3 Bb4+ Nbd2 b6")
  ("E11c" "Bogo-Indian: 4.Nbd2 b6 5.a3" "d4 Nf6 c4 e6 Nf3 Bb4+ Nbd2 b6 a3")
  ("E11c" "Bogo-Indian: 4.Nbd2 b6 5.a3 Bxd2+" "d4 Nf6 c4 e6 Nf3 Bb4+ Nbd2 b6 a3 Bxd2+")
  ("E11d" "Bogo-Indian: 4.Nbd2 b6 5.a3 Bxd2+ 6.Bxd2" "d4 Nf6 c4 e6 Nf3 Bb4+ Nbd2 b6 a3 Bxd2+ Bxd2")
  ("E11d" "Bogo-Indian: 4.Nbd2 b6 5.a3 Bxd2+ 6.Bxd2 Bb7" "d4 Nf6 c4 e6 Nf3 Bb4+ Nbd2 b6 a3 Bxd2+ Bxd2 Bb7")
  ("E11e" "Bogo-Indian: 4.Nbd2 O-O" "d4 Nf6 c4 e6 Nf3 Bb4+ Nbd2 O-O")
  ("E11f" "Bogo-Indian: 4.Nbd2 O-O 5.a3" "d4 Nf6 c4 e6 Nf3 Bb4+ Nbd2 O-O a3")
  ("E11f" "Bogo-Indian: 4.Nbd2 O-O 5.a3 Bxd2+" "d4 Nf6 c4 e6 Nf3 Bb4+ Nbd2 O-O a3 Bxd2+")
  ("E11f" "Bogo-Indian: 4.Nbd2 O-O 5.a3 Be7" "d4 Nf6 c4 e6 Nf3 Bb4+ Nbd2 O-O a3 Be7")
  ("E11f" "Bogo-Indian: Grünfeld Variation" "d4 Nf6 c4 e6 Nf3 Bb4+ Nbd2 O-O a3 Be7 e4 d5")
  ("E11g" "Bogo-Indian: 4.Bd2" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2")
  ("E11g" "Bogo-Indian: 4.Bd2 Be7" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Be7")
  ("E11g" "Bogo-Indian: 4.Bd2 Be7 5.g3" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Be7 g3")
  ("E11g" "Bogo-Indian: 4.Bd2 Be7 5.g3 d5" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Be7 g3 d5")
  ("E11g" "Bogo-Indian: 4.Bd2 Be7 5.g3 d5 6.Bg2" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Be7 g3 d5 Bg2")
  ("E11h" "Bogo-Indian: 4.Bd2 Be7 5.g3 d5 6.Bg2 O-O" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Be7 g3 d5 Bg2 O-O")
  ("E11h" "Bogo-Indian: 4.Bd2 Be7 5.g3 d5 6.Bg2 O-O 7.O-O c6" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Be7 g3 d5 Bg2 O-O O-O c6")
  ("E11i" "Bogo-Indian: 4.Bd2 Be7 5.g3 d5 6.Bg2 O-O 7.O-O c6 8.Qc2" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Be7 g3 d5 Bg2 O-O O-O c6 Qc2")
  ("E11i" "Bogo-Indian: 4.Bd2 Be7 5.g3 d5 6.Bg2 O-O 7.O-O c6 8.Qc2 b6" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Be7 g3 d5 Bg2 O-O O-O c6 Qc2 b6")
  ("E11i" "Bogo-Indian: 4.Bd2 Be7 5.g3 d5 6.Bg2 O-O 7.O-O c6 8.Qc2 b6 9.Bf4" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Be7 g3 d5 Bg2 O-O O-O c6 Qc2 b6 Bf4")
  ("E11j" "Bogo-Indian: Vitolins Variation" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 c5")
  ("E11k" "Bogo-Indian: Vitolins, 6.g3" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 c5 Bxb4 cxb4 g3")
  ("E11l" "Bogo-Indian: 4.Bd2 a5" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 a5")
  ("E11l" "Bogo-Indian: 4.Bd2 a5 5.Nc3" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 a5 Nc3")
  ("E11m" "Bogo-Indian: 4.Bd2 a5 5.g3" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 a5 g3")
  ("E11n" "Bogo-Indian: Nimzowitsch Variation" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Qe7")
  ("E11o" "Bogo-Indian: Nimzowitsch, 5.Nc3" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Qe7 Nc3")
  ("E11p" "Bogo-Indian: Nimzowitsch, 5.g3" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Qe7 g3")
  ("E11q" "Bogo-Indian: Nimzowitsch, 5.g3 O-O" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Qe7 g3 O-O")
  ("E11q" "Bogo-Indian: Nimzowitsch, 5.g3 O-O" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Qe7 g3 O-O Bg2")
  ("E11r" "Bogo-Indian: Nimzowitsch, 5.g3 Nc6" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Qe7 g3 Nc6")
  ("E11r" "Bogo-Indian: Nimzowitsch, 5.g3 Nc6 6.Nc3" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Qe7 g3 Nc6 Nc3")
  ("E11s" "Bogo-Indian: Nimzowitsch, 5.g3 Nc6 6.Nc3 Bxc3" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Qe7 g3 Nc6 Nc3 Bxc3")
  ("E11s" "Bogo-Indian: Nimzowitsch, 5.g3 Nc6 6.Nc3 Bxc3 7.Bxc3" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Qe7 g3 Nc6 Nc3 Bxc3 Bxc3")
  ("E11s" "Bogo-Indian: Nimzowitsch, 5.g3 Nc6 6.Nc3 Bxc3 7.Bxc3 Ne4" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Qe7 g3 Nc6 Nc3 Bxc3 Bxc3 Ne4")
  ("E11s" "Bogo-Indian: Nimzowitsch, 5.g3 Nc6 6.Nc3 Bxc3 7.Bxc3 Ne4 8.Rc1" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Qe7 g3 Nc6 Nc3 Bxc3 Bxc3 Ne4 Rc1")
  ("E11t" "Bogo-Indian: Nimzowitsch, 5.g3 Nc6 6.Bg2" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Qe7 g3 Nc6 Bg2")
  ("E11t" "Bogo-Indian: Nimzowitsch, 5.g3 Nc6 6.Bg2 Bxd2+" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Qe7 g3 Nc6 Bg2 Bxd2+")
  ("E11u" "Bogo-Indian: Nimzowitsch, 5.g3 Nc6 6.Bg2 Bxd2+ 7.Nbxd2" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Qe7 g3 Nc6 Bg2 Bxd2+ Nbxd2")
  ("E11v" "Bogo-Indian: Nimzowitsch, 5.g3 Nc6 Main Line" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Qe7 g3 Nc6 Bg2 Bxd2+ Nbxd2 d6 O-O")
  ("E11v" "Bogo-Indian: Nimzowitsch, 5.g3 Nc6 Main Line, 8...O-O" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Qe7 g3 Nc6 Bg2 Bxd2+ Nbxd2 d6 O-O O-O")
  ("E11w" "Bogo-Indian: Nimzowitsch, 5.g3 Nc6 Main Line, 8...a5" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Qe7 g3 Nc6 Bg2 Bxd2+ Nbxd2 d6 O-O a5")
  ("E11w" "Bogo-Indian: Nimzowitsch, 5.g3 Nc6 Main Line, 8...a5 9.e4" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Qe7 g3 Nc6 Bg2 Bxd2+ Nbxd2 d6 O-O a5 e4")
  ("E11w" "Bogo-Indian: Nimzowitsch, 5.g3 Nc6 Main Line, 8...a5 9.e4 e5 10.d5 Nb8" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Qe7 g3 Nc6 Bg2 Bxd2+ Nbxd2 d6 O-O a5 e4 e5 d5 Nb8")
  ("E11x" "Bogo-Indian: 4.Bd2 Bxd2+" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Bxd2+")
  ("E11x" "Bogo-Indian: 4.Bd2 Bxd2+ 5.Nbxd2" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Bxd2+ Nbxd2")
  ("E11y" "Bogo-Indian: 4.Bd2 Bxd2+ 5.Qxd2" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Bxd2+ Qxd2")
  ("E11y" "Bogo-Indian: 4.Bd2 Bxd2+ 5.Qxd2 O-O" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Bxd2+ Qxd2 O-O")
  ("E11y" "Bogo-Indian: 4.Bd2 Bxd2+ 5.Qxd2 O-O 6.Nc3" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Bxd2+ Qxd2 O-O Nc3")
  ("E11y" "Bogo-Indian: 4.Bd2 Bxd2+ 5.Qxd2 O-O 6.Nc3 d5" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Bxd2+ Qxd2 O-O Nc3 d5")
  ("E11z" "Bogo-Indian: 4.Bd2 Bxd2+ 5.Qxd2 O-O 6.Nc3 d5 7.e3" "d4 Nf6 c4 e6 Nf3 Bb4+ Bd2 Bxd2+ Qxd2 O-O Nc3 d5 e3")
  ("E12a" "Queen's Indian" "d4 Nf6 c4 e6 Nf3 b6")
  ("E12b" "Queen's Indian: Miles Variation" "d4 Nf6 c4 e6 Nf3 b6 Bf4")
  ("E12b" "Queen's Indian: Miles, 5.e3 Be7" "d4 Nf6 c4 e6 Nf3 b6 Bf4 Bb7 e3 Be7")
  ("E12b" "Queen's Indian: Miles, 5.e3 Be7 6.h3" "d4 Nf6 c4 e6 Nf3 b6 Bf4 Bb7 e3 Be7 h3")
  ("E12c" "Queen's Indian: Miles, 5.e3 Bb4+" "d4 Nf6 c4 e6 Nf3 b6 Bf4 Bb7 e3 Bb4+")
  ("E12c" "Queen's Indian: Miles, 5.e3 Bb4+ 6.Nbd2" "d4 Nf6 c4 e6 Nf3 b6 Bf4 Bb7 e3 Bb4+ Nbd2")
  ("E12c" "Queen's Indian: Miles, 5.e3 Bb4+ 6.Nfd2" "d4 Nf6 c4 e6 Nf3 b6 Bf4 Bb7 e3 Bb4+ Nfd2")
  ("E12d" "Queen's Indian: Petrosian" "d4 Nf6 c4 e6 Nf3 b6 a3")
  ("E12e" "Queen's Indian: Petrosian, 4...c5" "d4 Nf6 c4 e6 Nf3 b6 a3 c5")
  ("E12e" "Queen's Indian: Petrosian, 4...c5 5.d5" "d4 Nf6 c4 e6 Nf3 b6 a3 c5 d5")
  ("E12e" "Queen's Indian: Petrosian, 4...c5 5.d5 Ba6" "d4 Nf6 c4 e6 Nf3 b6 a3 c5 d5 Ba6")
  ("E12f" "Queen's Indian: Petrosian, 4...c5 5.d5 Ba6 6.Qc2" "d4 Nf6 c4 e6 Nf3 b6 a3 c5 d5 Ba6 Qc2")
  ("E12f" "Queen's Indian: Petrosian, 4...c5 5.d5 Ba6 6.Qc2 exd5 6.cxd5 g6" "d4 Nf6 c4 e6 Nf3 b6 a3 c5 d5 Ba6 Qc2 exd5 cxd5 g6")
  ("E12g" "Queen's Indian: Petrosian, 4...Ba6" "d4 Nf6 c4 e6 Nf3 b6 a3 Ba6")
  ("E12g" "Queen's Indian: Petrosian, 4...Ba6 5.e3" "d4 Nf6 c4 e6 Nf3 b6 a3 Ba6 e3")
  ("E12g" "Queen's Indian: Petrosian, 4...Ba6 5.Qc2" "d4 Nf6 c4 e6 Nf3 b6 a3 Ba6 Qc2")
  ("E12g" "Queen's Indian: Petrosian, 4...Ba6 5.Qc2 c5" "d4 Nf6 c4 e6 Nf3 b6 a3 Ba6 Qc2 c5")
  ("E12h" "Queen's Indian: Petrosian, 4...Ba6 5.Qc2 Bb7" "d4 Nf6 c4 e6 Nf3 b6 a3 Ba6 Qc2 Bb7")
  ("E12h" "Queen's Indian: Petrosian, 4...Ba6 5.Qc2 Bb7 6.Nc3 c5" "d4 Nf6 c4 e6 Nf3 b6 a3 Ba6 Qc2 Bb7 Nc3 c5")
  ("E12i" "Queen's Indian: Petrosian, 4...Ba6 5.Qc2 Bb7 6.Nc3 c5 7.e4" "d4 Nf6 c4 e6 Nf3 b6 a3 Ba6 Qc2 Bb7 Nc3 c5 e4")
  ("E12i" "Queen's Indian: Petrosian, 4...Ba6 5.Qc2 Bb7 6.Nc3 c5 7.e4 cd 8.Nxd4 Nc6" "d4 Nf6 c4 e6 Nf3 b6 a3 Ba6 Qc2 Bb7 Nc3 c5 e4 cxd4 Nxd4 Nc6")
  ("E12j" "Queen's Indian: Petrosian, 4...Bb7" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7")
  ("E12j" "Queen's Indian: Petrosian, 5.Nc3" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3")
  ("E12j" "Queen's Indian: Petrosian, 5.Nc3 Bxf3" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 Bxf3")
  ("E12j" "Queen's Indian: Petrosian, 5.Nc3 Be7" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 Be7")
  ("E12k" "Queen's Indian: Petrosian, 5.Nc3 Ne4" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 Ne4")
  ("E12l" "Queen's Indian: Petrosian, 5.Nc3 g6" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 g6")
  ("E12m" "Queen's Indian: Petrosian, 5.Nc3 d5" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5")
  ("E12n" "Queen's Indian: Petrosian, 5.Nc3 d5 6.Bg5" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 Bg5")
  ("E12n" "Queen's Indian: Petrosian, 5.Nc3 d5 6.Bg5 Be7" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 Bg5 Be7")
  ("E12o" "Queen's Indian: Petrosian, 5.Nc3 d5 6.Bg5 Be7 7.Qa4+" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 Bg5 Be7 Qa4+")
  ("E12o" "Queen's Indian: Petrosian, 5.Nc3 d5 6.Bg5 Be7 7.Qa4+ c6" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 Bg5 Be7 Qa4+ c6")
  ("E12o" "Queen's Indian: Petrosian, 5.Nc3 d5 6.Bg5 Be7 7.Qa4+ c6 8.Bxf6 Bxf6 9.cxd5 exd5" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 Bg5 Be7 Qa4+ c6 Bxf6 Bxf6 cxd5 exd5")
  ("E12p" "Queen's Indian: Petrosian, 6.cxd5 exd5" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 cxd5 exd5")
  ("E12p" "Queen's Indian: Petrosian, 6.cxd5 exd5 7.g3" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 cxd5 exd5 g3")
  ("E12q" "Queen's Indian: Petrosian, 6.cxd5 exd5 7.Bg5" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 cxd5 exd5 Bg5")
  ("E12r" "Queen's Indian: Petrosian, 6.cxd5 Nxd5" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 cxd5 Nxd5")
  ("E12r" "Queen's Indian: Petrosian, 6.cxd5 Nxd5 7.e4" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 cxd5 Nxd5 e4")
  ("E12s" "Queen's Indian: Petrosian, 6.cxd5 Nxd5 7.e3" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 cxd5 Nxd5 e3")
  ("E12s" "Queen's Indian: Petrosian, 6.cxd5 Nxd5 7.e3 g6" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 cxd5 Nxd5 e3 g6")
  ("E12s" "Queen's Indian: Petrosian, 6.cxd5 Nxd5 7.e3 Be7" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 cxd5 Nxd5 e3 Be7")
  ("E12t" "Queen's Indian: Petrosian, Kasparov Variation" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 cxd5 Nxd5 Qc2")
  ("E12t" "Queen's Indian: Petrosian, Kasparov, 7...Be7" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 cxd5 Nxd5 Qc2 Be7")
  ("E12t" "Queen's Indian: Petrosian, Kasparov, 7...c5" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 cxd5 Nxd5 Qc2 c5")
  ("E12t" "Queen's Indian: Petrosian, Kasparov, 7...Nxc3" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 cxd5 Nxd5 Qc2 Nxc3")
  ("E12u" "Queen's Indian: Petrosian, Kasparov, 7...Nxc3 8.bxc3" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 cxd5 Nxd5 Qc2 Nxc3 bxc3")
  ("E12u" "Queen's Indian: Petrosian, Kasparov, 7...Nxc3 8.bxc3 c5" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 cxd5 Nxd5 Qc2 Nxc3 bxc3 c5")
  ("E12u" "Queen's Indian: Petrosian, Kasparov, 7...Nxc3 8.bxc3 c5 9.e4" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 cxd5 Nxd5 Qc2 Nxc3 bxc3 c5 e4")
  ("E12u" "Queen's Indian: Petrosian, Kasparov, 7...Nxc3 8.bxc3 Be7" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 cxd5 Nxd5 Qc2 Nxc3 bxc3 Be7")
  ("E12u" "Queen's Indian: Petrosian, Kasparov, 7...Nxc3 8.bxc3 Be7 9.e4" "d4 Nf6 c4 e6 Nf3 b6 a3 Bb7 Nc3 d5 cxd5 Nxd5 Qc2 Nxc3 bxc3 Be7 e4")
  ("E12v" "Queen's Indian: 4.Bg5" "d4 Nf6 c4 e6 Nf3 b6 Bg5")
  ("E12w" "Queen's Indian: 4.Nc3" "d4 Nf6 c4 e6 Nf3 b6 Nc3")
  ("E12w" "Queen's Indian: 4.Nc3 Bb7" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7")
  ("E12w" "Queen's Indian: 4.Nc3 Bb7 5.Bg5" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5")
  ("E12x" "Queen's Indian: 5.Bg5 h6 6.Bh4 Be7" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Be7")
  ("E12x" "Queen's Indian: 5.Bg5 h6 6.Bh4 Be7 7.e3 Ne4" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Be7 e3 Ne4")
  ("E12x" "Queen's Indian: 5.Bg5 h6 6.Bh4 Be7 7.e3 c5" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Be7 e3 c5")
  ("E12y" "Queen's Indian: Botvinnik Variation" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 g5")
  ("E12y" "Queen's Indian: Botvinnik, 8.Qc2" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 g5 Bg3 Nh5 Qc2")
  ("E12y" "Queen's Indian: Botvinnik, 8.e3" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 g5 Bg3 Nh5 e3")
  ("E13a" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4")
  ("E13b" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.Qc2" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 Qc2")
  ("E13c" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.Qc2 g5" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 Qc2 g5")
  ("E13d" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.Nd2" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 Nd2")
  ("E13e" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.Nd2 Bxc3" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 Nd2 Bxc3")
  ("E13e" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.Nd2 Bxc3 8.bxc3" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 Nd2 Bxc3 bxc3")
  ("E13f" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.e3" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 e3")
  ("E13g" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.e3 c5" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 e3 c5")
  ("E13h" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.e3 Bxc3+" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 e3 Bxc3+")
  ("E13h" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.e3 Bxc3+ 8.bxc3" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 e3 Bxc3+ bxc3")
  ("E13i" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.e3 Bxc3+ 8.bxc3 d6" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 e3 Bxc3+ bxc3 d6")
  ("E13j" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.e3 Bxc3+ 8.bxc3 d6 9.Nd2" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 e3 Bxc3+ bxc3 d6 Nd2")
  ("E13k" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.e3 Bxc3+ 8.bxc3 d6 9.Nd2 Nbd7" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 e3 Bxc3+ bxc3 d6 Nd2 Nbd7")
  ("E13k" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.e3 Bxc3+ 8.bxc3 d6 9.Nd2 Nbd7 10.f3" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 e3 Bxc3+ bxc3 d6 Nd2 Nbd7 f3")
  ("E13k" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.e3 Bxc3+ 8.bxc3 d6 9.Nd2 Nbd7 10.f3 Qe7" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 e3 Bxc3+ bxc3 d6 Nd2 Nbd7 f3 Qe7")
  ("E13l" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.e3 g5" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 e3 g5")
  ("E13l" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.e3 g5" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 e3 g5 Bg3")
  ("E13l" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.e3 g5 8.Bg3 Ne4" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 e3 g5 Bg3 Ne4")
  ("E13m" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.e3 g5 8.Bg3 Ne4 9.Qc2" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 e3 g5 Bg3 Ne4 Qc2")
  ("E13n" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.e3 g5 8.Bg3 Ne4 9.Qc2 Bxc3+" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 e3 g5 Bg3 Ne4 Qc2 Bxc3+")
  ("E13n" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.e3 g5 8.Bg3 Ne4 9.Qc2 Bxc3+" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 e3 g5 Bg3 Ne4 Qc2 Bxc3+ bxc3")
  ("E13o" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.e3 g5 8.Bg3 Ne4 9.Qc2 Bxc3+ 10.bxc3 d6" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 e3 g5 Bg3 Ne4 Qc2 Bxc3+ bxc3 d6")
  ("E13o" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.e3 g5 8.Bg3 Ne4 9.Qc2 Bxc3+ 10.bxc3 d6 11.Bd3" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 e3 g5 Bg3 Ne4 Qc2 Bxc3+ bxc3 d6 Bd3")
  ("E13p" "Queen's Indian: 5.Bg5 h6 6.Bh4 Bb4 7.e3 g5 8.Bg3 Ne4 9.Qc2 Bxc3+ 10.bxc3 d6 11.Bd3 f5" "d4 Nf6 c4 e6 Nf3 b6 Nc3 Bb7 Bg5 h6 Bh4 Bb4 e3 g5 Bg3 Ne4 Qc2 Bxc3+ bxc3 d6 Bd3 f5")
  ("E14a" "Queen's Indian: 4.e3" "d4 Nf6 c4 e6 Nf3 b6 e3")
  ("E14a" "Queen's Indian: 4.e3 Bb4+" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb4+")
  ("E14b" "Queen's Indian: 4.e3 Bb7" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7")
  ("E14c" "Queen's Indian: 4.e3 Bb7 5.Nc3" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Nc3")
  ("E14d" "Queen's Indian: 4.e3 Bb7 5.Nc3 d5" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Nc3 d5")
  ("E14e" "Queen's Indian: 4.e3 Bb7 5.Bd3" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3")
  ("E14f" "Queen's Indian: 4.e3 Bb7 5.Bd3 Bb4+" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 Bb4+")
  ("E14g" "Queen's Indian: 4.e3 Bb7 5.Bd3 Bb4+ 6.Nbd2" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 Bb4+ Nbd2")
  ("E14g" "Queen's Indian: 4.e3 Bb7 5.Bd3 Bb4+ 6.Nbd2 c5" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 Bb4+ Nbd2 c5")
  ("E14h" "Queen's Indian: 4.e3 Bb7 5.Bd3 Bb4+ 6.Nbd2 O-O" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 Bb4+ Nbd2 O-O")
  ("E14i" "Queen's Indian: 4.e3 Bb7 5.Bd3 Bb4+ 6.Nbd2 O-O 7.O-O d5" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 Bb4+ Nbd2 O-O O-O d5")
  ("E14i" "Queen's Indian: 4.e3 Bb7 5.Bd3 Bb4+ 6.Nbd2 O-O 7.O-O d5 8.a3" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 Bb4+ Nbd2 O-O O-O d5 a3")
  ("E14i" "Queen's Indian: 4.e3 Bb7 5.Bd3 Bb4+ 6.Nbd2 O-O 7.O-O d5 8.a3 Be7" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 Bb4+ Nbd2 O-O O-O d5 a3 Be7")
  ("E14i" "Queen's Indian: Dreev Variation" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 Bb4+ Nbd2 O-O O-O d5 a3 Be7 b4")
  ("E14j" "Queen's Indian: 4.e3 Bb7 5.Bd3 Be7" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 Be7")
  ("E14k" "Queen's Indian: 4.e3 Bb7 5.Bd3 Be7 6.O-O" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 Be7 O-O")
  ("E14k" "Queen's Indian: 4.e3 Bb7 5.Bd3 Be7 6.O-O O-O" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 Be7 O-O O-O")
  ("E14l" "Queen's Indian: 4.e3 Bb7 5.Bd3 Be7 6.O-O O-O 7.Nc3" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 Be7 O-O O-O Nc3")
  ("E14m" "Queen's Indian: 4.e3 Bb7 5.Bd3 d5" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 d5")
  ("E14n" "Queen's Indian: 4.e3 Bb7 5.Bd3 d5 6.O-O" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 d5 O-O")
  ("E14n" "Queen's Indian: 4.e3 Bb7 5.Bd3 d5 6.O-O Bd6" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 d5 O-O Bd6")
  ("E14o" "Queen's Indian: 4.e3 Bb7 5.Bd3 d5 6.O-O Bd6 7.b3" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 d5 O-O Bd6 b3")
  ("E14p" "Queen's Indian: 4.e3 Bb7 5.Bd3 d5 6.O-O Bd6 7.Nc3" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 d5 O-O Bd6 Nc3")
  ("E14q" "Queen's Indian: 4.e3 Bb7 5.Bd3 c5" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 c5")
  ("E14q" "Queen's Indian: 4.e3 Bb7 5.Bd3 c5 6.Nc3" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 c5 Nc3")
  ("E14r" "Queen's Indian: 4.e3 Bb7 5.Bd3 c5 6.O-O" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 c5 O-O")
  ("E14s" "Queen's Indian: 4.e3 Bb7 5.Bd3 c5 6.O-O cxd4" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 c5 O-O cxd4")
  ("E14s" "Queen's Indian: 4.e3 Bb7 5.Bd3 c5 6.O-O cxd4 7.exd4" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 c5 O-O cxd4 exd4")
  ("E14t" "Queen's Indian: 4.e3 Bb7 5.Bd3 c5 6.O-O Be7" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 c5 O-O Be7")
  ("E14t" "Queen's Indian: 4.e3 Bb7 5.Bd3 c5 6.O-O Be7 7.Nbd2" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 c5 O-O Be7 Nbd2")
  ("E14u" "Queen's Indian: 4.e3 Bb7 5.Bd3 c5 6.O-O Be7 7.b3" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 c5 O-O Be7 b3")
  ("E14u" "Queen's Indian: 4.e3 Bb7 5.Bd3 c5 6.O-O Be7 7.b3" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 c5 O-O Be7 b3 O-O Bb2")
  ("E14v" "Queen's Indian: 4.e3 Bb7 5.Bd3 c5 6.O-O Be7 7.b3 O-O 8.Bb2 d5" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 c5 O-O Be7 b3 O-O Bb2 d5")
  ("E14w" "Queen's Indian: 4.e3 Bb7 5.Bd3 c5 6.O-O Be7 7.b3 O-O 8.Bb2 cxd4" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 c5 O-O Be7 b3 O-O Bb2 cxd4")
  ("E14w" "Queen's Indian: Averbakh Variation" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 c5 O-O Be7 b3 O-O Bb2 cxd4 Nxd4")
  ("E14w" "Queen's Indian: 4.e3 Bb7 5.Bd3 c5 6.O-O Be7 7.b3 O-O 8.Bb2 cxd4 9.exd4" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 c5 O-O Be7 b3 O-O Bb2 cxd4 exd4")
  ("E14w" "Queen's Indian: 4.e3 Bb7 5.Bd3 c5 6.O-O Be7 7.b3 O-O 8.Bb2 cxd4 9.exd4 d5" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 c5 O-O Be7 b3 O-O Bb2 cxd4 exd4 d5")
  ("E14x" "Queen's Indian: 4.e3 Bb7 5.Bd3 c5 6.O-O Be7 7.Nc3" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 c5 O-O Be7 Nc3")
  ("E14x" "Queen's Indian: 4.e3 Bb7 5.Bd3 c5 6.O-O Be7 7.Nc3 O-O" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 c5 O-O Be7 Nc3 O-O")
  ("E14x" "Queen's Indian: 4.e3 Bb7 5.Bd3 c5 6.O-O Be7 7.Nc3 cxd4" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 c5 O-O Be7 Nc3 cxd4")
  ("E14y" "Queen's Indian: 4.e3 Bb7 5.Bd3 c5 6.O-O Be7 7.Nc3 cxd4 8.exd4" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 c5 O-O Be7 Nc3 cxd4 exd4")
  ("E14z" "Queen's Indian: 4.e3 Bb7 5.Bd3 c5 6.O-O Be7 7.Nc3 cxd4 8.exd4 d5" "d4 Nf6 c4 e6 Nf3 b6 e3 Bb7 Bd3 c5 O-O Be7 Nc3 cxd4 exd4 d5")
  ("E15a" "Queen's Indian: 4.g3" "d4 Nf6 c4 e6 Nf3 b6 g3")
  ("E15b" "Queen's Indian: 4.g3 Bb4+" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb4+")
  ("E15b" "Queen's Indian: 4.g3 Bb4+" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb4+ Bd2")
  ("E15c" "Queen's Indian: 4.g3 Bb4+ 5.Bd2 Bxd2+" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb4+ Bd2 Bxd2+")
  ("E15c" "Queen's Indian: 4.g3 Bb4+ 5.Bd2 Bxd2+ 6.Qxd2 Ba6" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb4+ Bd2 Bxd2+ Qxd2 Ba6")
  ("E15d" "Queen's Indian: Nimzowitsch Variation (4.g3 Ba6)" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6")
  ("E15d" "Queen's Indian: Nimzowitsch, 5.Qb3" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 Qb3")
  ("E15d" "Queen's Indian: Nimzowitsch, 5.Qc2" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 Qc2")
  ("E15e" "Queen's Indian: Nimzowitsch, 5.Nbd2" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 Nbd2")
  ("E15e" "Queen's Indian: Nimzowitsch, 5.Nbd2 c5" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 Nbd2 c5")
  ("E15f" "Queen's Indian: Nimzowitsch, 5.Nbd2 Bb7" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 Nbd2 Bb7")
  ("E15f" "Queen's Indian: Nimzowitsch, 5.Nbd2 Bb7 6.Bg2" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 Nbd2 Bb7 Bg2")
  ("E15f" "Queen's Indian: Nimzowitsch, 5.Nbd2 Bb7 6.Bg2 c5" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 Nbd2 Bb7 Bg2 c5")
  ("E15g" "Queen's Indian: Nimzowitsch, 5.Nbd2 Bb4" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 Nbd2 Bb4")
  ("E15h" "Queen's Indian: Nimzowitsch, 5.Qa4" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 Qa4")
  ("E15h" "Queen's Indian: Nimzowitsch, 5.Qa4 Be7" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 Qa4 Be7")
  ("E15i" "Queen's Indian: Nimzowitsch, 5.Qa4 c6" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 Qa4 c6")
  ("E15i" "Queen's Indian: Nimzowitsch, 5.Qa4 c6 6.Nc3 b5" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 Qa4 c6 Nc3 b5")
  ("E15j" "Queen's Indian: Nimzowitsch, 5.Qa4 c5" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 Qa4 c5")
  ("E15j" "Queen's Indian: Nimzowitsch, 5.Qa4 c5 6.Bg2 Bb7" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 Qa4 c5 Bg2 Bb7")
  ("E15j" "Queen's Indian: Nimzowitsch, 5.Qa4 c5 6.Bg2 Bb7 7.dxc5" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 Qa4 c5 Bg2 Bb7 dxc5")
  ("E15k" "Queen's Indian: Nimzowitsch, 5.Qa4 c5 6.Bg2 Bb7 7.O-O" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 Qa4 c5 Bg2 Bb7 O-O")
  ("E15l" "Queen's Indian: Nimzowitsch, 5.b3 " "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3")
  ("E15l" "Queen's Indian: Nimzowitsch, 5.b3 b5" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 b5")
  ("E15l" "Queen's Indian: Nimzowitsch, 5.b3 b5 6.cxb5" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 b5 cxb5")
  ("E15m" "Queen's Indian: Nimzowitsch, 5.b3 d5" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 d5")
  ("E15m" "Queen's Indian: Nimzowitsch, 5.b3 d5 6.cxd5" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 d5 cxd5")
  ("E15m" "Queen's Indian: Nimzowitsch, 5.b3 d5 6.Bg2" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 d5 Bg2")
  ("E15n" "Queen's Indian: Nimzowitsch, 5.b3 Bb7" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 Bb7")
  ("E15n" "Queen's Indian: Nimzowitsch, 5.b3 Bb7 6.Bg2" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 Bb7 Bg2")
  ("E15n" "Queen's Indian: Nimzowitsch, 5.b3 Bb7, 7...a5" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 Bb7 Bg2 Bb4+ Bd2 a5")
  ("E15n" "Queen's Indian: Nimzowitsch, 5.b3 Bb7, 7...a5 8.O-O O-O" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 Bb7 Bg2 Bb4+ Bd2 a5 O-O O-O")
  ("E15o" "Queen's Indian: Nimzowitsch, 5.b3 Bb4+" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 Bb4+")
  ("E15o" "Queen's Indian: Nimzowitsch, 5.b3 Bb4+ 6.Bd2 Be7" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 Bb4+ Bd2 Be7")
  ("E15o" "Queen's Indian: Nimzowitsch, 5.b3 Bb4+ 6.Bd2 Be7 7.Nc3" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 Bb4+ Bd2 Be7 Nc3")
  ("E15p" "Queen's Indian: Nimzowitsch, 5.b3 Bb4+ 6.Bd2 Be7 7.Bg2" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 Bb4+ Bd2 Be7 Bg2")
  ("E15p" "Queen's Indian: Nimzowitsch, 5.b3 Bb4+ 6.Bd2 Be7 7.Bg2 d5" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 Bb4+ Bd2 Be7 Bg2 d5")
  ("E15p" "Queen's Indian: Nimzowitsch, 5.b3 Bb4+ 6.Bd2 Be7 7.Bg2 d5" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 Bb4+ Bd2 Be7 Bg2 d5 cxd5 exd5 O-O O-O")
  ("E15q" "Queen's Indian: Nimzowitsch, 5.b3 Bb4+ 6.Bd2 Be7 7.Bg2 c6" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 Bb4+ Bd2 Be7 Bg2 c6")
  ("E15q" "Queen's Indian: Nimzowitsch, 5.b3 Bb4+ 6.Bd2 Be7 7.Bg2 c6 8.O-O" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 Bb4+ Bd2 Be7 Bg2 c6 O-O")
  ("E15q" "Queen's Indian: Nimzowitsch, 5.b3 Bb4+ 6.Bd2 Be7 7.Bg2 c6 8.O-O d5" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 Bb4+ Bd2 Be7 Bg2 c6 O-O d5")
  ("E15r" "Queen's Indian: Nimzowitsch, 5.b3 Bb4+, Main Line" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 Bb4+ Bd2 Be7 Bg2 c6 Bc3")
  ("E15s" "Queen's Indian: Nimzowitsch, 5.b3 Bb4+, Main Line, 9.Ne5" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 Bb4+ Bd2 Be7 Bg2 c6 Bc3 d5 Ne5")
  ("E15s" "Queen's Indian: Nimzowitsch, 5.b3 Bb4+, Main Line, 9.Ne5 Nfd7" "d4 Nf6 c4 e6 Nf3 b6 g3 Ba6 b3 Bb4+ Bd2 Be7 Bg2 c6 Bc3 d5 Ne5 Nfd7")
  ("E15t" "Queen's Indian: 4.g3 Bb7" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7")
  ("E15t" "Queen's Indian: 4.g3 Bb7" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2")
  ("E15t" "Queen's Indian: 4.g3 Bb7 5.Bg2 Qc8" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Qc8")
  ("E15t" "Queen's Indian: 4.g3 Bb7 5.Bg2 Qc8 6.O-O c5 7.d5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Qc8 O-O c5 d5")
  ("E15u" "Queen's Indian: 4.g3 Bb7 5.Bg2 c5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 c5")
  ("E15u" "Queen's Indian: Buerger Variation" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 c5 d5 exd5 Ng5")
  ("E15v" "Queen's Indian: Rubinstein Variation" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 c5 d5 exd5 Nh4")
  ("E16a" "Queen's Indian: Capablanca Variation" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+")
  ("E16b" "Queen's Indian: Capablanca, 6.Nbd2" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Nbd2")
  ("E16c" "Queen's Indian: Capablanca, 6.Nbd2 O-O" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Nbd2 O-O")
  ("E16d" "Queen's Indian: Capablanca, 6.Nbd2 O-O 7.O-O d5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Nbd2 O-O O-O d5")
  ("E16e" "Queen's Indian: Capablanca, 6.Bd2" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Bd2")
  ("E16e" "Queen's Indian: Capablanca, 6.Bd2 c5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Bd2 c5")
  ("E16f" "Queen's Indian: Capablanca, Yates Variation" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Bd2 a5")
  ("E16g" "Queen's Indian: Capablanca, Yates, 7.O-O O-O" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Bd2 a5 O-O O-O")
  ("E16h" "Queen's Indian: Capablanca, Nimzowitsch Variation" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Bd2 Qe7")
  ("E16i" "Queen's Indian: Capablanca, Nimzowitsch, 7.O-O Bxd2 8.Qxd2" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Bd2 Qe7 O-O Bxd2 Qxd2")
  ("E16j" "Queen's Indian: Capablanca, Riumin Variation" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Bd2 Be7")
  ("E16k" "Queen's Indian: Capablanca, Riumin, 7.Nc3" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Bd2 Be7 Nc3")
  ("E16l" "Queen's Indian: Capablanca, Riumin, 7.Nc3 O-O" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Bd2 Be7 Nc3 O-O")
  ("E16m" "Queen's Indian: Capablanca, Riumin, 7.Nc3 O-O 8.O-O" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Bd2 Be7 Nc3 O-O O-O")
  ("E16n" "Queen's Indian: Capablanca, Riumin, 7.Nc3 O-O 8.O-O d5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Bd2 Be7 Nc3 O-O O-O d5")
  ("E16o" "Queen's Indian: Capablanca, 6...Bxd2+" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Bd2 Bxd2+")
  ("E16o" "Queen's Indian: Capablanca, 6...Bxd2+ 7.Nbxd2" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Bd2 Bxd2+ Nbxd2")
  ("E16p" "Queen's Indian: Capablanca, 6...Bxd2+ 7.Qxd2" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Bd2 Bxd2+ Qxd2")
  ("E16q" "Queen's Indian: Capablanca, 6...Bxd2+ 7.Qxd2 O-O" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Bd2 Bxd2+ Qxd2 O-O")
  ("E16q" "Queen's Indian: Capablanca, 6...Bxd2+ 7.Qxd2 O-O 8.O-O" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Bd2 Bxd2+ Qxd2 O-O O-O")
  ("E16r" "Queen's Indian: Capablanca, 6...Bxd2+ 7.Qxd2 O-O 8.Nc3" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Bb4+ Bd2 Bxd2+ Qxd2 O-O Nc3")
  ("E17a" "Queen's Indian: 5.Bg2 Be7" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7")
  ("E17b" "Queen's Indian: 6.Nc3" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 Nc3")
  ("E17b" "Queen's Indian: 6.Nc3 d5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 Nc3 d5")
  ("E17c" "Queen's Indian: 6.Nc3 O-O" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 Nc3 O-O")
  ("E17d" "Queen's Indian: 6.Nc3 O-O 7.Qc2" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 Nc3 O-O Qc2")
  ("E17e" "Queen's Indian: 6.Nc3 O-O 7.Qc2 c5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 Nc3 O-O Qc2 c5")
  ("E17f" "Queen's Indian: 6.Nc3 O-O 7.Qc2 d5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 Nc3 O-O Qc2 d5")
  ("E17g" "Queen's Indian: 6.Nc3 Ne4" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 Nc3 Ne4")
  ("E17g" "Queen's Indian: 6.Nc3 Ne4 7.Qc2" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 Nc3 Ne4 Qc2")
  ("E17h" "Queen's Indian: Opovcensky Variation" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 Nc3 Ne4 Bd2")
  ("E17i" "Queen's Indian: Opovcensky, 7...O-O" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 Nc3 Ne4 Bd2 O-O")
  ("E17j" "Queen's Indian: Opovcensky, 7...f5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 Nc3 Ne4 Bd2 f5")
  ("E17k" "Queen's Indian: Opovcensky, 7...Bf6" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 Nc3 Ne4 Bd2 Bf6")
  ("E17l" "Queen's Indian: 6.O-O" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O")
  ("E17m" "Queen's Indian: 6.O-O d5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O d5")
  ("E17n" "Queen's Indian: 6.O-O O-O" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O")
  ("E17o" "Queen's Indian: 6.O-O O-O 7.Qc2" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Qc2")
  ("E17p" "Queen's Indian: 6.O-O O-O 7.Re1" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Re1")
  ("E17q" "Queen's Indian: 6.O-O O-O 7.Re1 d5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Re1 d5")
  ("E17r" "Queen's Indian: Euwe Variation" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O b3")
  ("E17s" "Queen's Indian: Euwe, 7...c5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O b3 c5")
  ("E17t" "Queen's Indian: Euwe, 7...d5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O b3 d5")
  ("E17u" "Queen's Indian: Pomar Variation" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O d5")
  ("E17u" "Queen's Indian: Pomar, 7...exd5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O d5 exd5")
  ("E17v" "Queen's Indian: Pomar, Taimanov Variation" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O d5 exd5 Nd4")
  ("E17w" "Queen's Indian: Pomar, Polugaevsky Variation" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O d5 exd5 Nh4")
  ("E17w" "Queen's Indian: Pomar, Polugaevsky, 8...c6" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O d5 exd5 Nh4 c6")
  ("E17x" "Queen's Indian: Pomar, Polugaevsky, 8...c6 9.cxd5 Nxd5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O d5 exd5 Nh4 c6 cxd5 Nxd5")
  ("E17y" "Queen's Indian: Pomar, Polugaevsky, 8...c6 9.cxd5 Nxd5 10.Nf5 Nc7" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O d5 exd5 Nh4 c6 cxd5 Nxd5 Nf5 Nc7")
  ("E17z" "Queen's Indian: Pomar, Polugaevsky, 8...c6 9.cxd5 Nxd5 10.Nf5 Nc7 11.e4" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O d5 exd5 Nh4 c6 cxd5 Nxd5 Nf5 Nc7 e4")
  ("E18a" "Queen's Indian: 7.Nc3" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3")
  ("E18b" "Queen's Indian: 7.Nc3 c5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 c5")
  ("E18c" "Queen's Indian: 7.Nc3 d6" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 d6")
  ("E18d" "Queen's Indian: 7.Nc3 Na6" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Na6")
  ("E18e" "Queen's Indian: 7.Nc3 d5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 d5")
  ("E18e" "Queen's Indian: 7.Nc3 d5 8.cxd5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 d5 cxd5")
  ("E18f" "Queen's Indian: 7.Nc3 d5 8.cxd5 exd5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 d5 cxd5 exd5")
  ("E18g" "Queen's Indian: 7.Nc3 d5 8.Ne5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 d5 Ne5")
  ("E18h" "Queen's Indian: 7.Nc3 d5 8.Ne5 c6" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 d5 Ne5 c6")
  ("E18i" "Queen's Indian: 7.Nc3 d5 8.Ne5 Nbd7" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 d5 Ne5 Nbd7")
  ("E18j" "Queen's Indian: 7.Nc3 d5 8.Ne5 Na6" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 d5 Ne5 Na6")
  ("E18k" "Queen's Indian: 7.Nc3 d5 8.Ne5 Na6 9.cxd5 exd5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 d5 Ne5 Na6 cxd5 exd5")
  ("E18l" "Queen's Indian: 7.Nc3 Ne4" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4")
  ("E18m" "Queen's Indian: 7.Nc3 Ne4 8.Bd2" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Bd2")
  ("E18n" "Queen's Indian: 7.Nc3 Ne4 8.Bd2 d5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Bd2 d5")
  ("E18n" "Queen's Indian: 7.Nc3 Ne4 8.Bd2 d5 9.cxd5 exd5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Bd2 d5 cxd5 exd5")
  ("E18o" "Queen's Indian: 7.Nc3 Ne4 8.Bd2 f5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Bd2 f5")
  ("E18p" "Queen's Indian: 7.Nc3 Ne4 8.Bd2 f5 9.d5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Bd2 f5 d5")
  ("E18p" "Queen's Indian: 7.Nc3 Ne4 8.Bd2 f5 9.d5 Bf6" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Bd2 f5 d5 Bf6")
  ("E18p" "Queen's Indian: 7.Nc3 Ne4 8.Bd2 f5 9.d5 Bf6 10.Rc1" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Bd2 f5 d5 Bf6 Rc1")
  ("E18q" "Queen's Indian: 7.Nc3 Ne4 8.Bd2 Bf6" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Bd2 Bf6")
  ("E18r" "Queen's Indian: 7.Nc3 Ne4 8.Bd2 Bf6 9.Rc1" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Bd2 Bf6 Rc1")
  ("E18s" "Queen's Indian: 7.Nc3 Ne4 8.Nxe4" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Nxe4")
  ("E18s" "Queen's Indian: 7.Nc3 Ne4 8.Nxe4 Bxe4 9.d5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Nxe4 Bxe4 d5")
  ("E18s" "Queen's Indian: 7.Nc3 Ne4 8.Nxe4 Bxe4 9.Bf4" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Nxe4 Bxe4 Bf4")
  ("E18s" "Queen's Indian: 7.Nc3 Ne4 8.Nxe4 Bxe4 9.Nh4" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Nxe4 Bxe4 Nh4")
  ("E18t" "Queen's Indian: 7.Nc3 Ne4 8.Nxe4 Bxe4 9.Ne1" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Nxe4 Bxe4 Ne1")
  ("E18u" "Queen's Indian: 7.Nc3 Ne4 8.Nxe4 Bxe4 9.Ne1 Bxg2 10.Nxg2" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Nxe4 Bxe4 Ne1 Bxg2 Nxg2")
  ("E18u" "Queen's Indian: 7.Nc3 Ne4 8.Nxe4 Bxe4 9.Ne1 Bxg2 10.Nxg2 d5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Nxe4 Bxe4 Ne1 Bxg2 Nxg2 d5")
  ("E18v" "Queen's Indian: 7.Nc3 Ne4 8.Nxe4 Bxe4 9.Ne1 Bxg2 10.Nxg2 d5 11.Qa4" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Nxe4 Bxe4 Ne1 Bxg2 Nxg2 d5 Qa4")
  ("E18w" "Queen's Indian: 7.Nc3 Ne4 8.Nxe4 Bxe4 9.Ne1 Bxg2 10.Nxg2 d5 11.Qa4 Qd7" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Nxe4 Bxe4 Ne1 Bxg2 Nxg2 d5 Qa4 Qd7")
  ("E18x" "Queen's Indian: 7.Nc3 Ne4 8.Nxe4 Bxe4 9.Ne1 Bxg2 10.Nxg2 d5 11.Qa4 dxc4" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Nxe4 Bxe4 Ne1 Bxg2 Nxg2 d5 Qa4 dxc4")
  ("E18y" "Queen's Indian: Old Main Line, 8.Qc2" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Qc2")
  ("E18y" "Queen's Indian: Old Main Line, 8.Qc2 Nxc3" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Qc2 Nxc3")
  ("E18z" "Queen's Indian: Old Main Line, 8.Qc2 Nxc3 9.bxc3" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Qc2 Nxc3 bxc3")
  ("E19a" "Queen's Indian: Old Main Line, 9.Qxc3" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Qc2 Nxc3 Qxc3")
  ("E19b" "Queen's Indian: Old Main Line, 9.Qxc3 d6" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Qc2 Nxc3 Qxc3 d6")
  ("E19c" "Queen's Indian: Old Main Line, 9.Qxc3 d6 10.b3" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Qc2 Nxc3 Qxc3 d6 b3")
  ("E19d" "Queen's Indian: Old Main Line, 9.Qxc3 Be4" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Qc2 Nxc3 Qxc3 Be4")
  ("E19e" "Queen's Indian: Old Main Line, 9.Qxc3 Be4 10.Ne1" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Qc2 Nxc3 Qxc3 Be4 Ne1")
  ("E19f" "Queen's Indian: Old Main Line, 9.Qxc3 f5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Qc2 Nxc3 Qxc3 f5")
  ("E19g" "Queen's Indian: Old Main Line, 9.Qxc3 f5 10.Rd1" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Qc2 Nxc3 Qxc3 f5 Rd1")
  ("E19h" "Queen's Indian: Old Main Line, 9.Qxc3 f5 10.b3" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Qc2 Nxc3 Qxc3 f5 b3")
  ("E19i" "Queen's Indian: Old Main Line, 9.Qxc3 f5 10.b3 Bf6 11.Bb2 d6" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Qc2 Nxc3 Qxc3 f5 b3 Bf6 Bb2 d6")
  ("E19j" "Queen's Indian: Old Main Line, 9.Qxc3 c5" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Qc2 Nxc3 Qxc3 c5")
  ("E19k" "Queen's Indian: Old Main Line, 9.Qxc3 c5 10.b3" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Qc2 Nxc3 Qxc3 c5 b3")
  ("E19l" "Queen's Indian: Old Main Line, 9.Qxc3 c5 10.Rd1" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Qc2 Nxc3 Qxc3 c5 Rd1")
  ("E19m" "Queen's Indian: Old Main Line, 9.Qxc3 c5 10.Rd1 d6" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Qc2 Nxc3 Qxc3 c5 Rd1 d6")
  ("E19n" "Queen's Indian: Old Main Line, 9.Qxc3 c5 10.Rd1 d6 11.b3" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Qc2 Nxc3 Qxc3 c5 Rd1 d6 b3")
  ("E19o" "Queen's Indian: Old Main Line, 9.Qxc3 c5 10.Rd1 d6 11.b3 Bf6" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Qc2 Nxc3 Qxc3 c5 Rd1 d6 b3 Bf6")
  ("E19o" "Queen's Indian: Old Main Line, 9.Qxc3 c5 10.Rd1 d6 11.b3 Bf6" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Qc2 Nxc3 Qxc3 c5 Rd1 d6 b3 Bf6 Bb2")
  ("E19p" "Queen's Indian: Old Main Line, 9.Qxc3 c5 10.Rd1 d6 11.b3 Bf6 12.Bb2 Qe7" "d4 Nf6 c4 e6 Nf3 b6 g3 Bb7 Bg2 Be7 O-O O-O Nc3 Ne4 Qc2 Nxc3 Qxc3 c5 Rd1 d6 b3 Bf6 Bb2 Qe7")
  ("E20" "Nimzo-Indian Defence" "d4 Nf6 c4 e6 Nc3 Bb4")
  ("E20" "Nimzo-Indian: Mikenas Attack" "d4 Nf6 c4 e6 Nc3 Bb4 Qd3")
  ("E20" "Nimzo-Indian: 4.Bd2" "d4 Nf6 c4 e6 Nc3 Bb4 Bd2")
  ("E20" "Nimzo-Indian: 4.Bd2 O-O" "d4 Nf6 c4 e6 Nc3 Bb4 Bd2 O-O")
  ("E20" "Nimzo-Indian: 4.Bd2 O-O 5.Nf3" "d4 Nf6 c4 e6 Nc3 Bb4 Bd2 O-O Nf3")
  ("E20" "Nimzo-Indian: Romanishin" "d4 Nf6 c4 e6 Nc3 Bb4 g3")
  ("E20" "Nimzo-Indian: Romanishin, 4...c5" "d4 Nf6 c4 e6 Nc3 Bb4 g3 c5")
  ("E20" "Nimzo-Indian: Romanishin, 4...c5 5.d5" "d4 Nf6 c4 e6 Nc3 Bb4 g3 c5 d5")
  ("E20" "Nimzo-Indian: Romanishin, 4...c5 5.Nf3" "d4 Nf6 c4 e6 Nc3 Bb4 g3 c5 Nf3")
  ("E20" "Nimzo-Indian: Romanishin, 4...c5 5.Nf3 Ne4" "d4 Nf6 c4 e6 Nc3 Bb4 g3 c5 Nf3 Ne4")
  ("E20" "Nimzo-Indian: Romanishin, 4...c5 5.Nf3 Nc6" "d4 Nf6 c4 e6 Nc3 Bb4 g3 c5 Nf3 Nc6")
  ("E20" "Nimzo-Indian: Romanishin, 4...c5 5.Nf3 O-O" "d4 Nf6 c4 e6 Nc3 Bb4 g3 c5 Nf3 O-O")
  ("E20" "Nimzo-Indian: Romanishin, 4...c5 5.Nf3 cxd4" "d4 Nf6 c4 e6 Nc3 Bb4 g3 c5 Nf3 cxd4")
  ("E20" "Nimzo-Indian: Romanishin, 6.Nxd4" "d4 Nf6 c4 e6 Nc3 Bb4 g3 c5 Nf3 cxd4 Nxd4")
  ("E20" "Nimzo-Indian: Romanishin, 6.Nxd4 O-O" "d4 Nf6 c4 e6 Nc3 Bb4 g3 c5 Nf3 cxd4 Nxd4 O-O")
  ("E20" "Nimzo-Indian: Romanishin, 6.Nxd4 O-O 7.Bg2" "d4 Nf6 c4 e6 Nc3 Bb4 g3 c5 Nf3 cxd4 Nxd4 O-O Bg2")
  ("E20" "Nimzo-Indian: Romanishin, 6.Nxd4 O-O 7.Bg2 d5" "d4 Nf6 c4 e6 Nc3 Bb4 g3 c5 Nf3 cxd4 Nxd4 O-O Bg2 d5")
  ("E20" "Nimzo-Indian: Romanishin, 8.cxd5" "d4 Nf6 c4 e6 Nc3 Bb4 g3 c5 Nf3 cxd4 Nxd4 O-O Bg2 d5 cxd5")
  ("E20" "Nimzo-Indian: 4.f3 (Kmoch)" "d4 Nf6 c4 e6 Nc3 Bb4 f3")
  ("E20" "Nimzo-Indian: 4.f3 d5" "d4 Nf6 c4 e6 Nc3 Bb4 f3 d5")
  ("E20" "Nimzo-Indian: 4.f3 d5 5.a3 Be7" "d4 Nf6 c4 e6 Nc3 Bb4 f3 d5 a3 Be7")
  ("E20" "Nimzo-Indian: 4.f3 c5" "d4 Nf6 c4 e6 Nc3 Bb4 f3 c5")
  ("E20" "Nimzo-Indian: 4.f3 c5 5.d5" "d4 Nf6 c4 e6 Nc3 Bb4 f3 c5 d5")
  ("E21" "Nimzo-Indian: Three Knights" "d4 Nf6 c4 e6 Nc3 Bb4 Nf3")
  ("E21" "Nimzo-Indian: Nimzo-Queen's Hybrid" "d4 Nf6 c4 e6 Nc3 Bb4 Nf3 b6")
  ("E21" "Nimzo-Indian: Nimzo-Queen's Hybrid, 5.Qc2" "d4 Nf6 c4 e6 Nc3 Bb4 Nf3 b6 Qc2")
  ("E21" "Nimzo-Indian: Nimzo-Queen's Hybrid, 5.Qc2 Bb7" "d4 Nf6 c4 e6 Nc3 Bb4 Nf3 b6 Qc2 Bb7")
  ("E21" "Nimzo-Indian: Nimzo-Queen's Hybrid, 5.Qb3" "d4 Nf6 c4 e6 Nc3 Bb4 Nf3 b6 Qb3")
  ("E21" "Nimzo-Indian: Nimzo-Queen's Hybrid, 5.Qb3 a5" "d4 Nf6 c4 e6 Nc3 Bb4 Nf3 b6 Qb3 a5")
  ("E21" "Nimzo-Indian: Nimzo-Queen's Hybrid, 5.Qb3 c5" "d4 Nf6 c4 e6 Nc3 Bb4 Nf3 b6 Qb3 c5")
  ("E21" "Nimzo-Indian: Nimzo-Queen's Hybrid, 5.Bg5" "d4 Nf6 c4 e6 Nc3 Bb4 Nf3 b6 Bg5")
  ("E21" "Nimzo-Indian: Nimzo-Queen's Hybrid, 5.Bg5 Bb7" "d4 Nf6 c4 e6 Nc3 Bb4 Nf3 b6 Bg5 Bb7")
  ("E21" "Nimzo-Indian: Three Knights, 4...O-O" "d4 Nf6 c4 e6 Nc3 Bb4 Nf3 O-O")
  ("E21" "Nimzo-Indian: Three Knights, 4...Bxc3+" "d4 Nf6 c4 e6 Nc3 Bb4 Nf3 Bxc3+")
  ("E21" "Nimzo-Indian: Three Knights, 4...c5" "d4 Nf6 c4 e6 Nc3 Bb4 Nf3 c5")
  ("E21" "Nimzo-Indian: Three Knights, Euwe Variation" "d4 Nf6 c4 e6 Nc3 Bb4 Nf3 c5 d5 Ne4")
  ("E22" "Nimzo-Indian: Spielmann Variation" "d4 Nf6 c4 e6 Nc3 Bb4 Qb3")
  ("E22" "Nimzo-Indian: Spielmann, 4...Nc6" "d4 Nf6 c4 e6 Nc3 Bb4 Qb3 Nc6")
  ("E22" "Nimzo-Indian: Spielmann, 4...c5" "d4 Nf6 c4 e6 Nc3 Bb4 Qb3 c5")
  ("E22" "Nimzo-Indian: Spielmann, 4...c5 5.Nf3" "d4 Nf6 c4 e6 Nc3 Bb4 Qb3 c5 Nf3")
  ("E22" "Nimzo-Indian: Spielmann, 4...c5 5.dxc5" "d4 Nf6 c4 e6 Nc3 Bb4 Qb3 c5 dxc5")
  ("E22" "Nimzo-Indian: Spielmann, 4...c5 5.dxc5 Na6" "d4 Nf6 c4 e6 Nc3 Bb4 Qb3 c5 dxc5 Na6")
  ("E23" "Nimzo-Indian: Spielmann, 4...c5 5.dxc5 Nc6" "d4 Nf6 c4 e6 Nc3 Bb4 Qb3 c5 dxc5 Nc6")
  ("E23" "Nimzo-Indian: Spielmann, Carlsbad Variation" "d4 Nf6 c4 e6 Nc3 Bb4 Qb3 c5 dxc5 Nc6 Nf3 Ne4 Bd2 Nxd2")
  ("E23" "Nimzo-Indian: Spielmann, San Remo Variation" "d4 Nf6 c4 e6 Nc3 Bb4 Qb3 c5 dxc5 Nc6 Nf3 Ne4 Bd2 Nxc5")
  ("E23" "Nimzo-Indian: Spielmann, Stahlberg Variation" "d4 Nf6 c4 e6 Nc3 Bb4 Qb3 c5 dxc5 Nc6 Nf3 Ne4 Bd2 Nxc5 Qc2 f5 g3")
  ("E24" "Nimzo-Indian: Sämisch" "d4 Nf6 c4 e6 Nc3 Bb4 a3")
  ("E24" "Nimzo-Indian: Sämisch" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3")
  ("E24" "Nimzo-Indian: Sämisch, 5...b6" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 b6")
  ("E24" "Nimzo-Indian: Sämisch, 5...b6 6.f3" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 b6 f3")
  ("E24" "Nimzo-Indian: Sämisch, 5...d5" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 d5")
  ("E24" "Nimzo-Indian: Sämisch, 5...d5 6.f3" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 d5 f3")
  ("E24" "Nimzo-Indian: Sämisch, 5...c5" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5")
  ("E24" "Nimzo-Indian: Sämisch, 5...c5 6.f3" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5 f3")
  ("E24" "Nimzo-Indian: Sämisch, 5...c5 6.f3 d5" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5 f3 d5")
  ("E24" "Nimzo-Indian: Sämisch, Botvinnik Variation" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5 f3 d5 e3 O-O cxd5 Nxd5")
  ("E25" "Nimzo-Indian: Sämisch, 5...c5 6.f3 d5 7.cxd5" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5 f3 d5 cxd5")
  ("E25" "Nimzo-Indian: Sämisch, 5...c5 6.f3 d5 7.cxd5 Nxd5" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5 f3 d5 cxd5 Nxd5")
  ("E25" "Nimzo-Indian: Sämisch, 5...c5 6.f3 d5 7.cxd5 Nxd5 8.Qd3" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5 f3 d5 cxd5 Nxd5 Qd3")
  ("E25" "Nimzo-Indian: Sämisch, Keres Variation" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5 f3 d5 cxd5 Nxd5 dxc5")
  ("E25" "Nimzo-Indian: Sämisch, Keres, Romanovsky Variation" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5 f3 d5 cxd5 Nxd5 dxc5 f5")
  ("E25" "Nimzo-Indian: Sämisch, Keres, Romanovsky, 9.e4" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5 f3 d5 cxd5 Nxd5 dxc5 f5 e4")
  ("E25" "Nimzo-Indian: Sämisch, Keres, Romanovsky, 9.Nh3" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5 f3 d5 cxd5 Nxd5 dxc5 f5 Nh3")
  ("E26" "Nimzo-Indian: Sämisch, 5...c5 6.e3" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5 e3")
  ("E26" "Nimzo-Indian: Sämisch, 5...c5 6.e3 Nc6" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5 e3 Nc6")
  ("E26" "Nimzo-Indian: Sämisch, O'Kelly Variation" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 c5 e3 b6")
  ("E27" "Nimzo-Indian: Sämisch, 5...O-O" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 O-O")
  ("E27" "Nimzo-Indian: Sämisch, 5...O-O 6.f3" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 O-O f3")
  ("E27" "Nimzo-Indian: Sämisch, 5...O-O 6.f3 d5" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 O-O f3 d5")
  ("E28" "Nimzo-Indian: Sämisch, 5...O-O 6.e3" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 O-O e3")
  ("E28" "Nimzo-Indian: Sämisch, 5...O-O 6.e3" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 O-O e3 b6")
  ("E28" "Nimzo-Indian: Sämisch, 5...O-O 6.e3 c5" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 O-O e3 c5")
  ("E28" "Nimzo-Indian: Sämisch, 5...O-O 6.e3 c5 7.Ne2" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 O-O e3 c5 Ne2")
  ("E28" "Nimzo-Indian: Sämisch, 5...O-O 6.e3 c5 7.Bd3" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 O-O e3 c5 Bd3")
  ("E28" "Nimzo-Indian: Sämisch, 5...O-O 6.e3 c5 7.Bd3 b6" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 O-O e3 c5 Bd3 b6")
  ("E29" "Nimzo-Indian: Sämisch, 5...O-O 6.e3 c5 7.Bd3 Nc6" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 O-O e3 c5 Bd3 Nc6")
  ("E29" "Nimzo-Indian: Sämisch, 5...O-O 6.e3 c5 7.Bd3 Nc6 8.Nf3" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 O-O e3 c5 Bd3 Nc6 Nf3")
  ("E29" "Nimzo-Indian: Sämisch, 5...O-O 6.e3 c5 7.Bd3 Nc6 8.Ne2" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 O-O e3 c5 Bd3 Nc6 Ne2")
  ("E29" "Nimzo-Indian: Sämisch, 5...O-O 6.e3 c5 7.Bd3 Nc6 8.Ne2 e5" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 O-O e3 c5 Bd3 Nc6 Ne2 e5")
  ("E29" "Nimzo-Indian: Sämisch, 5...O-O 6.e3 c5 7.Bd3 Nc6 8.Ne2 d6" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 O-O e3 c5 Bd3 Nc6 Ne2 d6")
  ("E29" "Nimzo-Indian: Sämisch, 5...O-O 6.e3 c5 7.Bd3 Nc6 8.Ne2 b6" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 O-O e3 c5 Bd3 Nc6 Ne2 b6")
  ("E29" "Nimzo-Indian: Sämisch, Capablanca Variation" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 O-O e3 c5 Bd3 Nc6 Ne2 b6 e4 Ne8")
  ("E29" "Nimzo-Indian: Sämisch, Capablanca, 10.O-O" "d4 Nf6 c4 e6 Nc3 Bb4 a3 Bxc3+ bxc3 O-O e3 c5 Bd3 Nc6 Ne2 b6 e4 Ne8 O-O")
  ("E30" "Nimzo-Indian: Leningrad" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5")
  ("E30" "Nimzo-Indian: Leningrad, 4...O-O" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 O-O")
  ("E30" "Nimzo-Indian: Leningrad, 4...c5" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 c5")
  ("E30" "Nimzo-Indian: Leningrad, 4...c5 5.d5" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 c5 d5")
  ("E30" "Nimzo-Indian: Leningrad, 4...c5 5.d5 exd5" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 c5 d5 exd5")
  ("E30" "Nimzo-Indian: Leningrad, 4...c5 5.d5 Bxc3+" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 c5 d5 Bxc3+")
  ("E30" "Nimzo-Indian: Leningrad, 4...c5 5.d5 d6" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 c5 d5 d6")
  ("E30" "Nimzo-Indian: Leningrad, 4...c5 5.d5 d6 6.e3" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 c5 d5 d6 e3")
  ("E30" "Nimzo-Indian: Leningrad, 4...c5 5.d5 h6" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 c5 d5 h6")
  ("E30" "Nimzo-Indian: Leningrad, 4...h6" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6")
  ("E30" "Nimzo-Indian: Leningrad, 4...h6 5.Bxf6" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bxf6")
  ("E30" "Nimzo-Indian: Leningrad, 4...h6 5.Bh4" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4")
  ("E30" "Nimzo-Indian: Leningrad, 4...h6 5.Bh4 c5" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5")
  ("E30" "Nimzo-Indian: Leningrad, 6.d5" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5")
  ("E30" "Nimzo-Indian: Leningrad, 6.d5 exd5" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 exd5")
  ("E30" "Nimzo-Indian: Leningrad, 6.d5 exd5" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 exd5 cxd5")
  ("E30" "Nimzo-Indian: Leningrad, 6.d5 b5 Gambit" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 b5")
  ("E30" "Nimzo-Indian: Leningrad, 6.d5 Bxc3+" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 Bxc3+")
  ("E31a" "Nimzo-Indian: Leningrad, Main Line" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 d6")
  ("E31b" "Nimzo-Indian: Leningrad, Main Line, 7.e3" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 d6 e3")
  ("E31c" "Nimzo-Indian: Leningrad, Main Line, 7.e3 g5" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 d6 e3 g5")
  ("E31d" "Nimzo-Indian: Leningrad, Main Line, 7.e3 exd5" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 d6 e3 exd5")
  ("E31e" "Nimzo-Indian: Leningrad, Main Line, 7.e3 e5" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 d6 e3 e5")
  ("E31f" "Nimzo-Indian: Leningrad, Main Line, 7.e3 Qe7" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 d6 e3 Qe7")
  ("E31g" "Nimzo-Indian: Leningrad, Main Line, 7.e3 O-O" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 d6 e3 O-O")
  ("E31h" "Nimzo-Indian: Leningrad, Main Line, 7.e3 Bxc3+" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 d6 e3 Bxc3+")
  ("E31h" "Nimzo-Indian: Leningrad, Main Line, 7.e3 Bxc3+" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 d6 e3 Bxc3+ bxc3")
  ("E31i" "Nimzo-Indian: Leningrad, Main Line, 8...Qe7" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 d6 e3 Bxc3+ bxc3 Qe7")
  ("E31j" "Nimzo-Indian: Leningrad, Main Line, 8...e5" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 d6 e3 Bxc3+ bxc3 e5")
  ("E31k" "Nimzo-Indian: Leningrad, Main Line, 8...e5 9.Nf3" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 d6 e3 Bxc3+ bxc3 e5 Nf3")
  ("E31l" "Nimzo-Indian: Leningrad, Main Line, 8...e5 9.Qc2" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 d6 e3 Bxc3+ bxc3 e5 Qc2")
  ("E31m" "Nimzo-Indian: Leningrad, Main Line, 8...e5 9.Bd3" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 d6 e3 Bxc3+ bxc3 e5 Bd3")
  ("E31n" "Nimzo-Indian: Leningrad, Main Line, 8...e5 9.f3" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 d6 e3 Bxc3+ bxc3 e5 f3")
  ("E31o" "Nimzo-Indian: Leningrad, Main Line, 8...e5 9.f3 Nbd7" "d4 Nf6 c4 e6 Nc3 Bb4 Bg5 h6 Bh4 c5 d5 d6 e3 Bxc3+ bxc3 e5 f3 Nbd7")
  ("E32a" "Nimzo-Indian: Classical Variation" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2")
  ("E32b" "Nimzo-Indian: Classical, 4...b6" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 b6")
  ("E32c" "Nimzo-Indian: Classical, 4...d6" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d6")
  ("E32d" "Nimzo-Indian: Classical, 4...O-O" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O")
  ("E32e" "Nimzo-Indian: Classical, 4...O-O 5.Bg5" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O Bg5")
  ("E32f" "Nimzo-Indian: Classical, 4...O-O 5.e4" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O e4")
  ("E32g" "Nimzo-Indian: Classical, 4...O-O 5.Nf3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O Nf3")
  ("E32h" "Nimzo-Indian: Classical, 4...O-O 5.a3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O a3")
  ("E32h" "Nimzo-Indian: Classical, 4...O-O 5.a3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O a3 Bxc3+")
  ("E32h" "Nimzo-Indian: Classical, 4...O-O 5.a3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O a3 Bxc3+ Qxc3")
  ("E32i" "Nimzo-Indian: Classical, Adorjan Gambit" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O a3 Bxc3+ Qxc3 b5")
  ("E32j" "Nimzo-Indian: Classical, 4...O-O 5.a3, 6...d6" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O a3 Bxc3+ Qxc3 d6")
  ("E32k" "Nimzo-Indian: Classical, 4...O-O 5.a3, 6...Ne4" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O a3 Bxc3+ Qxc3 Ne4")
  ("E32l" "Nimzo-Indian: Classical, 4...O-O 5.a3, 6...b6" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O a3 Bxc3+ Qxc3 b6")
  ("E32m" "Nimzo-Indian: Classical, 4...O-O 5.a3, 6...b6 7.Nf3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O a3 Bxc3+ Qxc3 b6 Nf3")
  ("E32n" "Nimzo-Indian: Classical, 4...O-O 5.a3, 6...b6 7.Bg5" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O a3 Bxc3+ Qxc3 b6 Bg5")
  ("E32o" "Nimzo-Indian: Classical, 4...O-O 5.a3, 6...b6 7.Bg5 Ba6" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O a3 Bxc3+ Qxc3 b6 Bg5 Ba6")
  ("E32p" "Nimzo-Indian: Classical, 4...O-O 5.a3, 6...b6 7.Bg5 Bb7" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O a3 Bxc3+ Qxc3 b6 Bg5 Bb7")
  ("E32q" "Nimzo-Indian: Classical, 4...O-O 5.a3, 6...b6 7.Bg5 Bb7 8.f3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O a3 Bxc3+ Qxc3 b6 Bg5 Bb7 f3")
  ("E32r" "Nimzo-Indian: Classical, 4...O-O 5.a3, 6...b6 7.Bg5 Bb7 8.f3 h6" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O a3 Bxc3+ Qxc3 b6 Bg5 Bb7 f3 h6")
  ("E32r" "Nimzo-Indian: Classical, 4...O-O 5.a3, 6...b6 7.Bg5 Bb7 8.f3 h6 9.Bh4" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O a3 Bxc3+ Qxc3 b6 Bg5 Bb7 f3 h6 Bh4")
  ("E32s" "Nimzo-Indian: Classical, 4...O-O 5.a3, 6...b6 7.Bg5 Bb7 8.e3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O a3 Bxc3+ Qxc3 b6 Bg5 Bb7 e3")
  ("E32t" "Nimzo-Indian: Classical, 4...O-O 5.a3, 6...b6 7.Bg5 Bb7 8.e3 d6" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 O-O a3 Bxc3+ Qxc3 b6 Bg5 Bb7 e3 d6")
  ("E33" "Nimzo-Indian: Classical, 4...Nc6" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 Nc6")
  ("E33" "Nimzo-Indian: Classical, 4...Nc6 5.Nf3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 Nc6 Nf3")
  ("E33" "Nimzo-Indian: Classical, 4...Nc6 5.Nf3 d5" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 Nc6 Nf3 d5")
  ("E33" "Nimzo-Indian: Classical, Milner-Barry (Zurich) Variation" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 Nc6 Nf3 d6")
  ("E33" "Nimzo-Indian: Classical, Milner-Barry (Zurich), 6.a3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 Nc6 Nf3 d6 a3")
  ("E33" "Nimzo-Indian: Classical, Milner-Barry (Zurich), 6.a3 Bxc3+ 7.Qxc3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 Nc6 Nf3 d6 a3 Bxc3+ Qxc3")
  ("E33" "Nimzo-Indian: Classical, Milner-Barry (Zurich), 6.Bd2" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 Nc6 Nf3 d6 Bd2")
  ("E33" "Nimzo-Indian: Classical, Milner-Barry (Zurich), 6.Bd2 O-O" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 Nc6 Nf3 d6 Bd2 O-O")
  ("E34" "Nimzo-Indian: Classical, Noa Variation" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5")
  ("E34" "Nimzo-Indian: Classical, Noa, 5.e3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 e3")
  ("E34" "Nimzo-Indian: Classical, Noa, 5.e3 O-O" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 e3 O-O")
  ("E34" "Nimzo-Indian: Classical, Noa, 5.cxd5" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 cxd5")
  ("E34" "Nimzo-Indian: Classical, Noa, 5.cxd5 Qxd5" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 cxd5 Qxd5")
  ("E34" "Nimzo-Indian: Classical, Noa, 5.cxd5 Qxd5 6.e3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 cxd5 Qxd5 e3")
  ("E34" "Nimzo-Indian: Classical, Noa, 5.cxd5 Qxd5 6.e3 c5" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 cxd5 Qxd5 e3 c5")
  ("E34" "Nimzo-Indian: Classical, Noa, 5.cxd5 Qxd5 6.Nf3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 cxd5 Qxd5 Nf3")
  ("E34" "Nimzo-Indian: Classical, Noa, 5.cxd5 Qxd5 6.Nf3 c5" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 cxd5 Qxd5 Nf3 c5")
  ("E34" "Nimzo-Indian: Classical, Noa, 5.cxd5 Qxd5 6.Nf3 Qf5" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 cxd5 Qxd5 Nf3 Qf5")
  ("E34" "Nimzo-Indian: Classical, Noa, 5.cxd5 Qxd5 6.Nf3 Qf5 7.Qb3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 cxd5 Qxd5 Nf3 Qf5 Qb3")
  ("E34" "Nimzo-Indian: Classical, Noa, Queenswap" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 cxd5 Qxd5 Nf3 Qf5 Qxf5")
  ("E35" "Nimzo-Indian: Classical, Noa, Exchange" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 cxd5 exd5")
  ("E35" "Nimzo-Indian: Classical, Noa, Exchange, 6.a3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 cxd5 exd5 a3")
  ("E35" "Nimzo-Indian: Classical, Noa, Exchange, 6.Bg5" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 cxd5 exd5 Bg5")
  ("E35" "Nimzo-Indian: Classical, Noa, Exchange, 6.Bg5 c5" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 cxd5 exd5 Bg5 c5")
  ("E35" "Nimzo-Indian: Classical, Noa, Exchange, 6.Bg5 h6" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 cxd5 exd5 Bg5 h6")
  ("E35" "Nimzo-Indian: Classical, Noa, Exchange, 6.Bg5 h6 7.Bh4" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 cxd5 exd5 Bg5 h6 Bh4")
  ("E35" "Nimzo-Indian: Classical, Noa, Exchange, 6.Bg5 h6 7.Bh4 c5" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 cxd5 exd5 Bg5 h6 Bh4 c5")
  ("E35" "Nimzo-Indian: Classical, Noa, Exchange, 6.Bg5 h6 7.Bxf6" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 cxd5 exd5 Bg5 h6 Bxf6")
  ("E36" "Nimzo-Indian: Classical, Noa, 5.a3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 a3")
  ("E36" "Nimzo-Indian: Classical, Noa, 5.a3 Be7" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 a3 Be7")
  ("E36" "Nimzo-Indian: Classical, Noa, 5.a3 Bxc3+" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 a3 Bxc3+")
  ("E36" "Nimzo-Indian: Classical, Noa, 5.a3 Bxc3+" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 a3 Bxc3+ Qxc3")
  ("E36" "Nimzo-Indian: Classical, Noa, 5.a3 Bxc3+ 6.Qxc3 dxc4" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 a3 Bxc3+ Qxc3 dxc4")
  ("E36" "Nimzo-Indian: Classical, Noa, 5.a3 Bxc3+ 6.Qxc3 O-O" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 a3 Bxc3+ Qxc3 O-O")
  ("E36" "Nimzo-Indian: Classical, Noa, Botvinnik Variation" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 a3 Bxc3+ Qxc3 Nc6")
  ("E36" "Nimzo-Indian: Classical, Noa, Main Line" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 a3 Bxc3+ Qxc3 Ne4")
  ("E37" "Nimzo-Indian: Classical, Noa, Main Line, 7.Qc2" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 a3 Bxc3+ Qxc3 Ne4 Qc2")
  ("E37" "Nimzo-Indian: Classical, Noa, Main Line, 7.Qc2 Nc6" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 a3 Bxc3+ Qxc3 Ne4 Qc2 Nc6")
  ("E37" "Nimzo-Indian: Classical, Noa, San Remo Variation" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 a3 Bxc3+ Qxc3 Ne4 Qc2 Nc6 e3 e5")
  ("E37" "Nimzo-Indian: Classical, Noa, Main Line, 7.Qc2 c5" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 a3 Bxc3+ Qxc3 Ne4 Qc2 c5")
  ("E37" "Nimzo-Indian: Classical, Noa, Main Line, 7.Qc2 c5 8.dxc5 Nc6" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 d5 a3 Bxc3+ Qxc3 Ne4 Qc2 c5 dxc5 Nc6")
  ("E38a" "Nimzo-Indian: Classical, 4...c5" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5")
  ("E38b" "Nimzo-Indian: Classical, 4...c5 5.Nf3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 Nf3")
  ("E38c" "Nimzo-Indian: Classical, 4...c5 5.e3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 e3")
  ("E38d" "Nimzo-Indian: Classical, 4...c5 5.dxc5" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5")
  ("E38e" "Nimzo-Indian: Classical, 4...c5 5.dxc5 Bxc5" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 Bxc5")
  ("E38e" "Nimzo-Indian: Classical, 4...c5 5.dxc5 Bxc5 6.Nf3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 Bxc5 Nf3")
  ("E38f" "Nimzo-Indian: Classical, 4...c5 5.dxc5 Bxc5 6.Nf3 Qb6" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 Bxc5 Nf3 Qb6")
  ("E38g" "Nimzo-Indian: Classical, 4...c5 5.dxc5 Qc7" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 Qc7")
  ("E38h" "Nimzo-Indian: Classical, 4...c5 5.dxc5 Nc6" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 Nc6")
  ("E38i" "Nimzo-Indian: Classical, 4...c5 5.dxc5 Na6" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 Na6")
  ("E38j" "Nimzo-Indian: Classical, 4...c5 5.dxc5 Na6 6.a3 Bxc3+ 7.Qxc3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 Na6 a3 Bxc3+ Qxc3")
  ("E38k" "Nimzo-Indian: Classical, 4...c5 5.dxc5 Na6: 8.b4" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 Na6 a3 Bxc3+ Qxc3 Nxc5 b4")
  ("E38k" "Nimzo-Indian: Classical, 4...c5 5.dxc5 Na6: 8.b4 Nce4" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 Na6 a3 Bxc3+ Qxc3 Nxc5 b4 Nce4")
  ("E38l" "Nimzo-Indian: Classical, 4...c5 5.dxc5 Na6: 8.b4 Nce4 9.Qd4" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 Na6 a3 Bxc3+ Qxc3 Nxc5 b4 Nce4 Qd4")
  ("E38l" "Nimzo-Indian: Classical, 4...c5 5.dxc5 Na6: 8.b4 Nce4 9.Qd4 d5 10.c5" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 Na6 a3 Bxc3+ Qxc3 Nxc5 b4 Nce4 Qd4 d5 c5")
  ("E39a" "Nimzo-Indian: Classical, Pirc Variation" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 O-O")
  ("E39b" "Nimzo-Indian: Classical, Pirc, 6.Bf4" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 O-O Bf4")
  ("E39c" "Nimzo-Indian: Classical, Pirc, 6.Nf3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 O-O Nf3")
  ("E39d" "Nimzo-Indian: Classical, Pirc, 6.Nf3 Bxc5" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 O-O Nf3 Bxc5")
  ("E39e" "Nimzo-Indian: Classical, Pirc, 6.Nf3 Na6" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 O-O Nf3 Na6")
  ("E39f" "Nimzo-Indian: Classical, Pirc, 6.Nf3 Na6 7.Bd2" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 O-O Nf3 Na6 Bd2")
  ("E39g" "Nimzo-Indian: Classical, Pirc, 6.Nf3 Na6 7.a3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 O-O Nf3 Na6 a3")
  ("E39h" "Nimzo-Indian: Classical, Pirc, 6.Nf3 Na6 7.g3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 O-O Nf3 Na6 g3")
  ("E39i" "Nimzo-Indian: Classical, Pirc, 6.a3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 O-O a3")
  ("E39j" "Nimzo-Indian: Classical, Pirc, 6.a3 Bxc5 7.Nf3" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 O-O a3 Bxc5 Nf3")
  ("E39k" "Nimzo-Indian: Classical, Pirc, 6.a3 Bxc5 7.Nf3 Nc6" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 O-O a3 Bxc5 Nf3 Nc6")
  ("E39l" "Nimzo-Indian: Classical, Pirc, 6.a3 Bxc5 7.Nf3 b6" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 O-O a3 Bxc5 Nf3 b6")
  ("E39m" "Nimzo-Indian: Classical, Pirc, 6.a3 Bxc5 7.Nf3 b6 8.Bg5" "d4 Nf6 c4 e6 Nc3 Bb4 Qc2 c5 dxc5 O-O a3 Bxc5 Nf3 b6 Bg5")
  ("E40" "Nimzo-Indian: Rubinstein" "d4 Nf6 c4 e6 Nc3 Bb4 e3")
  ("E40" "Nimzo-Indian: Taimanov" "d4 Nf6 c4 e6 Nc3 Bb4 e3 Nc6")
  ("E40" "Nimzo-Indian: Taimanov, 5.Ne2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 Nc6 Ne2")
  ("E40" "Nimzo-Indian: Taimanov, 5.Ne2 d5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 Nc6 Ne2 d5")
  ("E40" "Nimzo-Indian: Taimanov, 5.Bd3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 Nc6 Bd3")
  ("E41" "Nimzo-Indian: 4.e3 c5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5")
  ("E41" "Nimzo-Indian: 4.e3 c5 5.Nf3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Nf3")
  ("E41" "Nimzo-Indian: 4.e3 c5 5.Bd3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Bd3")
  ("E41" "Nimzo-Indian: 4.e3 c5 5.Bd3 Nc6" "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Bd3 Nc6")
  ("E41" "Nimzo-Indian: 4.e3 c5 5.Bd3 Nc6 6.Ne2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Bd3 Nc6 Ne2")
  ("E41" "Nimzo-Indian: 4.e3 c5 5.Bd3 Nc6 6.Nf3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Bd3 Nc6 Nf3")
  ("E41" "Nimzo-Indian: 4.e3 c5, Hübner Variation" "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Bd3 Nc6 Nf3 Bxc3+ bxc3 d6")
  ("E41" "Nimzo-Indian: Hübner, 8.e4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Bd3 Nc6 Nf3 Bxc3+ bxc3 d6 e4")
  ("E41" "Nimzo-Indian: Hübner, 8.e4 e5 9.d5 Ne7" "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Bd3 Nc6 Nf3 Bxc3+ bxc3 d6 e4 e5 d5 Ne7")
  ("E41" "Nimzo-Indian: Hübner, 8.O-O" "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Bd3 Nc6 Nf3 Bxc3+ bxc3 d6 O-O")
  ("E41" "Nimzo-Indian: Hübner, 8.O-O e5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Bd3 Nc6 Nf3 Bxc3+ bxc3 d6 O-O e5")
  ("E41" "Nimzo-Indian: Hübner, 8.O-O e5 9.Nd2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Bd3 Nc6 Nf3 Bxc3+ bxc3 d6 O-O e5 Nd2")
  ("E42" "Nimzo-Indian: 4.e3 c5 5.Ne2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Ne2")
  ("E42" "Nimzo-Indian: 4.e3 c5 5.Ne2 d5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Ne2 d5")
  ("E42" "Nimzo-Indian: 4.e3 c5 5.Ne2 cxd4 6.exd4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Ne2 cxd4 exd4")
  ("E42" "Nimzo-Indian: 4.e3 c5 5.Ne2 cxd4 6.exd4 d5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Ne2 cxd4 exd4 d5")
  ("E42" "Nimzo-Indian: 4.e3 c5 5.Ne2 cxd4 6.exd4 O-O" "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Ne2 cxd4 exd4 O-O")
  ("E42" "Nimzo-Indian: 4.e3 c5 5.Ne2 cxd4 6.exd4 O-O 7.a3 Be7" "d4 Nf6 c4 e6 Nc3 Bb4 e3 c5 Ne2 cxd4 exd4 O-O a3 Be7")
  ("E43" "Nimzo-Indian: Nimzowitsch (Fischer) Variation" "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6")
  ("E43" "Nimzo-Indian: Nimzowitsch, 5.Bd3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Bd3")
  ("E43" "Nimzo-Indian: Nimzowitsch, 5.Nf3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Nf3")
  ("E43" "Nimzo-Indian: Nimzowitsch, 5.Nf3 Bb7" "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Nf3 Bb7")
  ("E43" "Nimzo-Indian: Nimzowitsch, 5.Nf3 Bb7 6.Bd3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Nf3 Bb7 Bd3")
  ("E43" "Nimzo-Indian: Nimzowitsch, 5.Nf3 Bb7 6.Bd3 O-O" "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Nf3 Bb7 Bd3 O-O")
  ("E43" "Nimzo-Indian: Nimzowitsch, 5.Nf3 Bb7 6.Bd3 O-O 7.O-O" "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Nf3 Bb7 Bd3 O-O O-O")
  ("E43" "Nimzo-Indian: Nimzowitsch, 5.Nf3 Bb7 6.Bd3 Ne4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Nf3 Bb7 Bd3 Ne4")
  ("E43" "Nimzo-Indian: Nimzowitsch, 5.Nf3 Bb7 6.Bd3 Ne4 7.O-O" "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Nf3 Bb7 Bd3 Ne4 O-O")
  ("E43" "Nimzo-Indian: Nimzowitsch, Keene Variation" "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Nf3 Bb7 Bd3 Ne4 O-O f5")
  ("E44" "Nimzo-Indian: Nimzowitsch, 5.Ne2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Ne2")
  ("E44" "Nimzo-Indian: Nimzowitsch, 5.Ne2 Bb7" "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Ne2 Bb7")
  ("E44" "Nimzo-Indian: Nimzowitsch, 5.Ne2 Ne4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Ne2 Ne4")
  ("E44" "Nimzo-Indian: Nimzowitsch, 5.Ne2 Ne4 6.Bd2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Ne2 Ne4 Bd2")
  ("E44" "Nimzo-Indian: Nimzowitsch, 5.Ne2 Ne4 6.Qc2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Ne2 Ne4 Qc2")
  ("E45" "Nimzo-Indian: Nimzowitsch, 5.Ne2 Ba6" "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Ne2 Ba6")
  ("E45" "Nimzo-Indian: Nimzowitsch, 5.Ne2 Ba6 6.a3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Ne2 Ba6 a3")
  ("E45" "Nimzo-Indian: Nimzowitsch, 5.Ne2 Ba6 6.a3 Be7" "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Ne2 Ba6 a3 Be7")
  ("E45" "Nimzo-Indian: Nimzowitsch, 5.Ne2 Ba6 6.a3 Bxc3+" "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Ne2 Ba6 a3 Bxc3+")
  ("E45" "Nimzo-Indian: Nimzowitsch, 5.Ne2 Ba6 6.Ng3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Ne2 Ba6 Ng3")
  ("E45" "Nimzo-Indian: Nimzowitsch, 5.Ne2 Ba6 6.Ng3 h5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Ne2 Ba6 Ng3 h5")
  ("E45" "Nimzo-Indian: Nimzowitsch, 5.Ne2 Ba6 6.Ng3 Bxc3+" "d4 Nf6 c4 e6 Nc3 Bb4 e3 b6 Ne2 Ba6 Ng3 Bxc3+")
  ("E46" "Nimzo-Indian: 4.e3 O-O" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O")
  ("E46" "Nimzo-Indian: Reshevsky Variation" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Ne2")
  ("E46" "Nimzo-Indian: Reshevsky Variation" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Ne2 b6")
  ("E46" "Nimzo-Indian: Reshevsky Variation" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Ne2 Re8")
  ("E46" "Nimzo-Indian: Reshevsky Variation" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Ne2 d5")
  ("E46" "Nimzo-Indian: Reshevsky, Simagin Variation" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Ne2 d5 a3 Bd6")
  ("E46" "Nimzo-Indian: Reshevsky, 6.a3 Be7" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Ne2 d5 a3 Be7")
  ("E46" "Nimzo-Indian: Reshevsky, 6.a3 Be7 7.cxd5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Ne2 d5 a3 Be7 cxd5")
  ("E46" "Nimzo-Indian: Reshevsky, 6.a3 Be7 7.cxd5 exd5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Ne2 d5 a3 Be7 cxd5 exd5")
  ("E47" "Nimzo-Indian: 4.e3 O-O 5.Bd3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3")
  ("E47" "Nimzo-Indian: 4.e3 O-O 5.Bd3 b6" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 b6")
  ("E47" "Nimzo-Indian: 4.e3 O-O 5.Bd3 d6" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d6")
  ("E47" "Nimzo-Indian: 4.e3 O-O 5.Bd3 c5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 c5")
  ("E47" "Nimzo-Indian: 4.e3 O-O 5.Bd3 c5 6.Ne2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 c5 Ne2")
  ("E47" "Nimzo-Indian: 4.e3 O-O 5.Bd3 c5 6.Ne2 cxd4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 c5 Ne2 cxd4")
  ("E48" "Nimzo-Indian: 4.e3 O-O 5.Bd3 d5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5")
  ("E48" "Nimzo-Indian: 4.e3 O-O 5.Bd3 d5 6.cxd5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 cxd5")
  ("E48" "Nimzo-Indian: 4.e3 O-O 5.Bd3 d5 6.Ne2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 Ne2")
  ("E48" "Nimzo-Indian: 4.e3 O-O 5.Bd3 d5 6.Ne2 c5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 Ne2 c5")
  ("E48" "Nimzo-Indian: 4.e3 O-O 5.Bd3 d5 6.Ne2 c5 7.O-O" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 Ne2 c5 O-O")
  ("E48" "Nimzo-Indian: 4.e3 O-O 5.Bd3 d5 6.Ne2 c5 7.O-O cxd4 8.exd4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 Ne2 c5 O-O cxd4 exd4")
  ("E48" "Nimzo-Indian: 4.e3 O-O 5.Bd3 d5 6.Ne2 c5 7.cxd5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 Ne2 c5 cxd5")
  ("E48" "Nimzo-Indian: 4.e3 O-O 5.Bd3 d5 6.Ne2 c5 7.cxd5 cxd4 8.exd4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 Ne2 c5 cxd5 cxd4 exd4")
  ("E48" "Nimzo-Indian: 4.e3 O-O 5.Bd3 d5 6.Ne2 c5 7.cxd5 cxd4 8.exd4 Nxd5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 Ne2 c5 cxd5 cxd4 exd4 Nxd5")
  ("E48" "Nimzo-Indian: 4.e3 O-O 5.Bd3 d5 6.Ne2 c5 7.cxd5 cxd4 8.exd4 Nxd5 9.O-O" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 Ne2 c5 cxd5 cxd4 exd4 Nxd5 O-O")
  ("E48" "Nimzo-Indian: 4.e3 O-O 5.Bd3 d5 6.a3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 a3")
  ("E49" "Nimzo-Indian: Botvinnik System" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 a3 Bxc3+ bxc3")
  ("E49" "Nimzo-Indian: Botvinnik, 7...dxc4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 a3 Bxc3+ bxc3 dxc4")
  ("E49" "Nimzo-Indian: Botvinnik, 7...dxc4 8.Bxc4 c5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 a3 Bxc3+ bxc3 dxc4 Bxc4 c5")
  ("E49" "Nimzo-Indian: Botvinnik, 7...dxc4 8.Bxc4 c5 9.Ne2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 a3 Bxc3+ bxc3 dxc4 Bxc4 c5 Ne2")
  ("E49" "Nimzo-Indian: Botvinnik, 7...c5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 a3 Bxc3+ bxc3 c5")
  ("E49" "Nimzo-Indian: Botvinnik, 7...c5 8.cxd5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 a3 Bxc3+ bxc3 c5 cxd5")
  ("E49" "Nimzo-Indian: Botvinnik, 7...c5 8.cxd5 exd5 9.Ne2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 a3 Bxc3+ bxc3 c5 cxd5 exd5 Ne2")
  ("E49" "Nimzo-Indian: Botvinnik, 7...c5 8.cxd5 exd5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Bd3 d5 a3 Bxc3+ bxc3 c5 cxd5 exd5")
  ("E50" "Nimzo-Indian: 4.e3 O-O 5.Nf3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3")
  ("E50" "Nimzo-Indian: 4.e3 O-O 5.Nf3 Ne4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 Ne4")
  ("E50" "Nimzo-Indian: 4.e3 O-O 5.Nf3 b6" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 b6")
  ("E50" "Nimzo-Indian: 4.e3 O-O 5.Nf3 c5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 c5")
  ("E50" "Nimzo-Indian: 4.e3 O-O 5.Nf3 c5 6.Bd3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 c5 Be2")
  ("E50" "Nimzo-Indian: 4.e3 O-O 5.Nf3 c5 6.Be2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 c5 Bd3")
  ("E50" "Nimzo-Indian: 4.e3 O-O 5.Nf3 c5 6.Bd3 Nc6" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 c5 Bd3 Nc6")
  ("E50" "Nimzo-Indian: 4.e3 O-O 5.Nf3 c5 6.Bd3 Nc6 7.O-O" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 c5 Bd3 Nc6 O-O")
  ("E51" "Nimzo-Indian: 4.e3 O-O 5.Nf3 d5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5")
  ("E51" "Nimzo-Indian: 4.e3 O-O 5.Nf3 d5 6.a3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 a3")
  ("E51" "Nimzo-Indian: 4.e3 O-O 5.Nf3 d5 6.Be2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Be2")
  ("E51" "Nimzo-Indian: 4.e3 O-O 5.Nf3 d5 6.Bd3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3")
  ("E51" "Nimzo-Indian: 4.e3 O-O 5.Nf3 d5 6.Bd3 Nc6" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 Nc6")
  ("E51" "Nimzo-Indian: 4.e3 O-O 5.Nf3 d5 6.Bd3 Nc6 7.O-O" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 Nc6 O-O")
  ("E51" "Nimzo-Indian: 4.e3 O-O 5.Nf3 d5 6.Bd3 Nc6 7.O-O a6" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 Nc6 O-O a6")
  ("E51" "Nimzo-Indian: 4.e3 O-O 5.Nf3 d5 6.Bd3 Nc6 7.O-O dxc4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 Nc6 O-O dxc4")
  ("E52" "Nimzo-Indian: Main Line, 6...b6" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 b6")
  ("E52" "Nimzo-Indian: Main Line, 6...b6 7.O-O" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 b6 O-O")
  ("E52" "Nimzo-Indian: Main Line, 6...b6 7.O-O Bb7" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 b6 O-O Bb7")
  ("E52" "Nimzo-Indian: Main Line, 6...b6 7.O-O Bb7 8.a3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 b6 O-O Bb7 a3")
  ("E52" "Nimzo-Indian: Main Line, 6...b6 7.O-O Bb7 8.a3 Bd6" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 b6 O-O Bb7 a3 Bd6")
  ("E52" "Nimzo-Indian: Main Line, 6...b6 7.O-O Bb7 8.cxd5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 b6 O-O Bb7 cxd5")
  ("E52" "Nimzo-Indian: Main Line, 6...b6 7.O-O Bb7 8.cxd5 exd5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 b6 O-O Bb7 cxd5 exd5")
  ("E52" "Nimzo-Indian: Main Line, 6...b6 7.O-O Bb7 8.cxd5 exd5 9.Ne5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 b6 O-O Bb7 cxd5 exd5 Ne5")
  ("E52" "Nimzo-Indian: Main Line, 6...b6 7.O-O Bb7 8.cxd5 exd5 9.a3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 b6 O-O Bb7 cxd5 exd5 a3")
  ("E52" "Nimzo-Indian: Main Line, 6...b6 7.O-O Bb7 8.cxd5 exd5 9.a3 Bd6" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 b6 O-O Bb7 cxd5 exd5 a3 Bd6")
  ("E53" "Nimzo-Indian: Main Line, 6...c5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5")
  ("E53" "Nimzo-Indian: Main Line, 6...c5 7.a3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 a3")
  ("E53" "Nimzo-Indian: Main Line, 6...c5 7.O-O" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O")
  ("E53" "Nimzo-Indian: Main Line, 7...Bd7" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Bd7")
  ("E53" "Nimzo-Indian: Main Line, 7...Nbd7" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nbd7")
  ("E53" "Nimzo-Indian: Main Line, Keres Variation" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O b6")
  ("E53" "Nimzo-Indian: Main Line, Keres, 8.cxd5 exd5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O b6 cxd5 exd5")
  ("E54" "Nimzo-Indian: Main Line, 7...dxc4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4")
  ("E54" "Nimzo-Indian: Main Line, 7...dxc4 8.Bxc4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4")
  ("E54" "Nimzo-Indian: Main Line, Smyslov Variation" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 Qe7")
  ("E54" "Nimzo-Indian: Main Line, 7...dxc4 8.Bxc4 Nc6" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 Nc6")
  ("E54" "Nimzo-Indian: Main Line, 7...dxc4 8.Bxc4 cxd4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 cxd4")
  ("E54" "Nimzo-Indian: Main Line, 7...dxc4 8.Bxc4 cxd4 9.exd4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 cxd4 exd4")
  ("E54" "Nimzo-Indian: Main Line, 7...dxc4 8.Bxc4 cxd4 9.exd4 a6" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 cxd4 exd4 a6")
  ("E54" "Nimzo-Indian: Main Line, 7...dxc4 8.Bxc4 cxd4 9.exd4 a6 10.Bg5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 cxd4 exd4 a6 Bg5")
  ("E54" "Nimzo-Indian: Main Line, Karpov Variation" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 cxd4 exd4 b6")
  ("E54" "Nimzo-Indian: Main Line, Karpov, 10.Bg5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 cxd4 exd4 b6 Bg5")
  ("E54" "Nimzo-Indian: Main Line, Karpov, 10.Bg5 Bb7" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 cxd4 exd4 b6 Bg5 Bb7")
  ("E54" "Nimzo-Indian: Main Line, Karpov, 10.Bg5 Bb7 11.Ne5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 cxd4 exd4 b6 Bg5 Bb7 Ne5")
  ("E54" "Nimzo-Indian: Main Line, Karpov, 10.Bg5 Bb7 11.Re1" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 cxd4 exd4 b6 Bg5 Bb7 Re1")
  ("E54" "Nimzo-Indian: Main Line, Karpov, 10.Bg5 Bb7 11.Rc1" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 cxd4 exd4 b6 Bg5 Bb7 Rc1")
  ("E54" "Nimzo-Indian: Main Line, Karpov, 10.Bg5 Bb7 11.Qe2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 cxd4 exd4 b6 Bg5 Bb7 Qe2")
  ("E55" "Nimzo-Indian: Main Line, Bronstein Variation" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 Nbd7")
  ("E55" "Nimzo-Indian: Main Line, Bronstein, 9.Ne2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 Nbd7 Ne2")
  ("E55" "Nimzo-Indian: Main Line, Bronstein, 9.a3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 Nbd7 a3")
  ("E55" "Nimzo-Indian: Main Line, Bronstein, 9.a3 cd4 10.ed4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 Nbd7 a3 cxd4 exd4")
  ("E55" "Nimzo-Indian: Main Line, Bronstein, 9.Qe2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 Nbd7 Qe2")
  ("E55" "Nimzo-Indian: Main Line, Bronstein, 9.Qe2 a6" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 Nbd7 Qe2 a6")
  ("E55" "Nimzo-Indian: Main Line, Bronstein, 9.Qe2 b6" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 Nbd7 Qe2 b6")
  ("E55" "Nimzo-Indian: Main Line, Bronstein, 9.Qe2 b6 10.Rd1" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O dxc4 Bxc4 Nbd7 Qe2 b6 Rd1")
  ("E56" "Nimzo-Indian: Main Line, 7...Nc6" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6")
  ("E56" "Nimzo-Indian: Main Line, 7...Nc6 8.cxd5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 cxd5")
  ("E56" "Nimzo-Indian: Main Line, 7...Nc6 8.a3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3")
  ("E56" "Nimzo-Indian: Main Line, 7...Nc6 8.a3 Ba5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Ba5")
  ("E56" "Nimzo-Indian: Main Line, 7...Nc6 8.a3 Ba5 9.cxd5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Ba5 cxd5")
  ("E56" "Nimzo-Indian: Main Line, 7...Nc6 8.a3 cxd4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 cxd4")
  ("E56" "Nimzo-Indian: Main Line, 7...Nc6 8.a3 cxd4 9.exd4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 cxd4 exd4")
  ("E56" "Nimzo-Indian: Main Line, 7...Nc6 8.a3 dxc4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 dxc4")
  ("E56" "Nimzo-Indian: Main Line, 7...Nc6 8.a3 dxc4 9.Bxc4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 dxc4 Bxc4")
  ("E56" "Nimzo-Indian: Main Line, 7...Nc6 8.a3 dxc4 9.Bxc4 Ba5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 dxc4 Bxc4 Ba5")
  ("E57" "Nimzo-Indian: Main Line, 8...dxc4 9.Bxc4 cxd4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 dxc4 Bxc4 cxd4")
  ("E57" "Nimzo-Indian: Main Line, 8...dxc4 9.Bxc4 cxd4 10.exd4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 dxc4 Bxc4 cxd4 exd4")
  ("E57" "Nimzo-Indian: Main Line, 8...dxc4 9.Bxc4 cxd4 10.exd4 Be7" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 dxc4 Bxc4 cxd4 exd4 Be7")
  ("E57" "Nimzo-Indian: Main Line, 8...dxc4 9.Bxc4 cxd4 10.exd4 Be7 11.Be3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 dxc4 Bxc4 cxd4 exd4 Be7 Be3")
  ("E57" "Nimzo-Indian: Main Line, 8...dxc4 9.Bxc4 cxd4 10.exd4 Be7 11.Bf4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 dxc4 Bxc4 cxd4 exd4 Be7 Bf4")
  ("E57" "Nimzo-Indian: Main Line, 8...dxc4 9.Bxc4 cxd4 10.exd4 Be7 11.Bg5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 dxc4 Bxc4 cxd4 exd4 Be7 Bg5")
  ("E57" "Nimzo-Indian: Main Line, 8...dxc4 9.Bxc4 cxd4 10.exd4 Be7 11.Qd3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 dxc4 Bxc4 cxd4 exd4 Be7 Qd3")
  ("E57" "Nimzo-Indian: Main Line, 8...dxc4 9.Bxc4 cxd4 10.exd4 Be7 11.Re1" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 dxc4 Bxc4 cxd4 exd4 Be7 Re1")
  ("E57" "Nimzo-Indian: Main Line, 8...dxc4 9.Bxc4 cxd4 10.exd4 Be7 11.Re1 a6" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 dxc4 Bxc4 cxd4 exd4 Be7 Re1 a6")
  ("E58" "Nimzo-Indian: Main Line, 8...Bxc3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3")
  ("E58" "Nimzo-Indian: Main Line, 8...Bxc3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3")
  ("E58" "Nimzo-Indian: Main Line, 9.bxc3 b6" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 b6")
  ("E58" "Nimzo-Indian: Main Line, 9.bxc3 Qc7" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 Qc7")
  ("E58" "Nimzo-Indian: Main Line, 9.bxc3 Qc7 10.h3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 Qc7 h3")
  ("E58" "Nimzo-Indian: Main Line, 9.bxc3 Qc7 10.Bb2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 Qc7 Bb2")
  ("E58" "Nimzo-Indian: Main Line, 9.bxc3 Qc7 10.Qc2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 Qc7 Qc2")
  ("E58" "Nimzo-Indian: Main Line, 9.bxc3 Qc7 10.cxd5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 Qc7 cxd5")
  ("E58" "Nimzo-Indian: Main Line, 9.bxc3 Qc7 10.cxd5 exd5 11.a4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 Qc7 cxd5 exd5 a4")
  ("E58" "Nimzo-Indian: Main Line, 9.bxc3 Qc7 10.cxd5 exd5 11.a4 Re8" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 Qc7 cxd5 exd5 a4 Re8")
  ("E58" "Nimzo-Indian: Main Line, 9.bxc3 Qc7 10.cxd5 exd5 11.Nh4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 Qc7 cxd5 exd5 Nh4")
  ("E59" "Nimzo-Indian: Main Line, 9.bxc3 dxc4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 dxc4")
  ("E59" "Nimzo-Indian: Main Line, 9.bxc3 dxc4 10.Bxc4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 dxc4 Bxc4")
  ("E59" "Nimzo-Indian: Main Line, 9.bxc3 dxc4 10.Bxc4 Qc7" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 dxc4 Bxc4 Qc7")
  ("E59" "Nimzo-Indian: Main Line, 9.bxc3 dxc4 10.Bxc4 Qc7 11.a4" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 dxc4 Bxc4 Qc7 a4")
  ("E59" "Nimzo-Indian: Main Line, 9.bxc3 dxc4 10.Bxc4 Qc7 11.Qe2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 dxc4 Bxc4 Qc7 Qe2")
  ("E59" "Nimzo-Indian: Main Line, 9.bxc3 dxc4 10.Bxc4 Qc7 11.Qc2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 dxc4 Bxc4 Qc7 Qc2")
  ("E59" "Nimzo-Indian: Main Line, 9.bxc3 dxc4 10.Bxc4 Qc7 11.Bb2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 dxc4 Bxc4 Qc7 Bb2")
  ("E59" "Nimzo-Indian: Main Line, 9.bxc3 dxc4 10.Bxc4 Qc7 11.Be2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 dxc4 Bxc4 Qc7 Be2")
  ("E59" "Nimzo-Indian: Main Line, 9.bxc3 dxc4 10.Bxc4 Qc7 11.Bb5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 dxc4 Bxc4 Qc7 Bb5")
  ("E59" "Nimzo-Indian: Main Line, 9.bxc3 dxc4 10.Bxc4 Qc7 11.Ba2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 dxc4 Bxc4 Qc7 Ba2")
  ("E59" "Nimzo-Indian: Main Line, 9.bxc3 dxc4 10.Bxc4 Qc7 11.Ba2 e5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 dxc4 Bxc4 Qc7 Ba2 e5")
  ("E59" "Nimzo-Indian: Main Line, 9.bxc3 dxc4 10.Bxc4 Qc7 11.Bd3" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 dxc4 Bxc4 Qc7 Bd3")
  ("E59" "Nimzo-Indian: Main Line, 9.bxc3 dxc4 10.Bxc4 Qc7 11.Bd3 e5 12.Qc2" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 dxc4 Bxc4 Qc7 Bd3 e5 Qc2")
  ("E59" "Nimzo-Indian: Main Line, 9.bxc3 dxc4 10.Bxc4 Qc7 11.Bd3 e5 12.Qc2 Re8" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 dxc4 Bxc4 Qc7 Bd3 e5 Qc2 Re8")
  ("E59" "Nimzo-Indian: Main Line, 9.bxc3 dxc4 10.Bxc4 Qc7 11.Bd3 e5 12.Qc2 Re8 13.de5" "d4 Nf6 c4 e6 Nc3 Bb4 e3 O-O Nf3 d5 Bd3 c5 O-O Nc6 a3 Bxc3 bxc3 dxc4 Bxc4 Qc7 Bd3 e5 Qc2 Re8 dxe5")
  ("E60a" "King's Indian" "d4 Nf6 c4 g6")
  ("E60a" "King's Indian: Mengarini Attack" "d4 Nf6 c4 g6 Qc2")
  ("E60b" "King's Indian: 3.Bg5" "d4 Nf6 c4 g6 Bg5")
  ("E60c" "King's Indian: 3.d5" "d4 Nf6 c4 g6 d5")
  ("E60c" "King's Indian: 3.d5, Danube/Adorjan Gambit" "d4 Nf6 c4 g6 d5 b5")
  ("E60d" "King's Indian: 3.f3" "d4 Nf6 c4 g6 f3")
  ("E60e" "King's Indian: 3.g3" "d4 Nf6 c4 g6 g3")
  ("E60e" "King's Indian: 3.g3" "d4 Nf6 c4 g6 g3 Bg7")
  ("E60e" "King's Indian: 3.g3" "d4 Nf6 c4 g6 g3 Bg7 Bg2")
  ("E60e" "King's Indian: 3.g3" "d4 Nf6 c4 g6 g3 Bg7 Bg2 O-O")
  ("E60f" "King's Indian: 3.Nf3" "d4 Nf6 c4 g6 Nf3")
  ("E60f" "King's Indian: 3.Nf3 d6" "d4 Nf6 c4 g6 Nf3 d6")
  ("E60g" "King's Indian: 3.Nf3 Bg7" "d4 Nf6 c4 g6 Nf3 Bg7")
  ("E60h" "King's Indian: b3 System" "d4 Nf6 c4 g6 Nf3 Bg7 b3")
  ("E60h" "King's Indian: b3 System" "d4 Nf6 c4 g6 Nf3 Bg7 b3 O-O Bb2")
  ("E60h" "King's Indian: b3 System" "d4 Nf6 c4 g6 Nf3 Bg7 b3 d6 Bb2")
  ("E60h" "King's Indian: b3 System" "d4 Nf6 c4 g6 Nf3 Bg7 b3 d6 Bb2 O-O")
  ("E60h" "King's Indian: b3 System" "d4 Nf6 c4 g6 Nf3 Bg7 b3 d6 Bb2 O-O e3")
  ("E60i" "King's Indian: b3+g3 System" "d4 Nf6 c4 g6 Nf3 Bg7 b3 d6 Bb2 O-O g3")
  ("E60i" "King's Indian: b3+g3 System" "d4 Nf6 c4 g6 Nf3 Bg7 b3 d6 Bb2 O-O g3 c5 Bg2 Nc6 O-O")
  ("E60j" "King's Indian: Fianchetto" "d4 Nf6 c4 g6 Nf3 Bg7 g3")
  ("E60j" "King's Indian: Fianchetto" "d4 Nf6 c4 g6 Nf3 Bg7 g3 O-O")
  ("E60k" "King's Indian: Fianchetto without Nc3" "d4 Nf6 c4 g6 Nf3 Bg7 g3 O-O Bg2")
  ("E60k" "King's Indian: Fianchetto without Nc3" "d4 Nf6 c4 g6 Nf3 Bg7 g3 O-O Bg2 d6")
  ("E60k" "King's Indian: Fianchetto without Nc3" "d4 Nf6 c4 g6 Nf3 Bg7 g3 O-O Bg2 d6 O-O")
  ("E60l" "King's Indian: Fianchetto, Yugoslav without Nc3" "d4 Nf6 c4 g6 Nf3 Bg7 g3 O-O Bg2 d6 O-O c5")
  ("E60l" "King's Indian: Fianchetto, Yugoslav without Nc3, 7.dxc5" "d4 Nf6 c4 g6 Nf3 Bg7 g3 O-O Bg2 d6 O-O c5 dxc5")
  ("E60m" "King's Indian: Fianchetto without Nc3, 6...c6" "d4 Nf6 c4 g6 Nf3 Bg7 g3 O-O Bg2 d6 O-O c6")
  ("E60n" "King's Indian: Fianchetto without Nc3, 6...Nc6" "d4 Nf6 c4 g6 Nf3 Bg7 g3 O-O Bg2 d6 O-O Nc6")
  ("E60o" "King's Indian: Fianchetto without Nc3, 6...Nbd7" "d4 Nf6 c4 g6 Nf3 Bg7 g3 O-O Bg2 d6 O-O Nbd7")
  ("E60p" "King's Indian: Fianchetto without Nc3, 6...Nbd7 7.Qc2" "d4 Nf6 c4 g6 Nf3 Bg7 g3 O-O Bg2 d6 O-O Nbd7 Qc2")
  ("E60q" "King's Indian: Fianchetto without Nc3, 6...Nbd7 7.Qc2 e5" "d4 Nf6 c4 g6 Nf3 Bg7 g3 O-O Bg2 d6 O-O Nbd7 Qc2 e5")
  ("E60r" "King's Indian: Fianchetto without Nc3, 6...Nbd7 7.Qc2 e5 8.Rd1 Re8" "d4 Nf6 c4 g6 Nf3 Bg7 g3 O-O Bg2 d6 O-O Nbd7 Qc2 e5 Rd1 Re8")
  ("E61a" "King's Indian: 3.Nc3" "d4 Nf6 c4 g6 Nc3")
  ("E61a" "King's Indian: 3.Nc3 c5" "d4 Nf6 c4 g6 Nc3 c5")
  ("E61a" "King's Indian: 3.Nc3 c6" "d4 Nf6 c4 g6 Nc3 c6")
  ("E61a" "King's Indian: 3.Nc3 d6" "d4 Nf6 c4 g6 Nc3 d6")
  ("E61b" "King's Indian: 3.Nc3 Bg7" "d4 Nf6 c4 g6 Nc3 Bg7")
  ("E61b" "King's Indian: 4.Bf4" "d4 Nf6 c4 g6 Nc3 Bg7 Bf4")
  ("E61c" "King's Indian: 4.Bg5" "d4 Nf6 c4 g6 Nc3 Bg7 Bg5")
  ("E61d" "King's Indian: 4.Bg5 O-O" "d4 Nf6 c4 g6 Nc3 Bg7 Bg5 O-O")
  ("E61e" "King's Indian: 4.Bg5 O-O 5.e3 d6" "d4 Nf6 c4 g6 Nc3 Bg7 Bg5 O-O e3 d6")
  ("E61f" "King's Indian: 4.g3" "d4 Nf6 c4 g6 Nc3 Bg7 g3")
  ("E61f" "King's Indian: 4.g3 d6" "d4 Nf6 c4 g6 Nc3 Bg7 g3 d6")
  ("E61f" "King's Indian: 4.g3 d6 5.Bg2" "d4 Nf6 c4 g6 Nc3 Bg7 g3 d6 Bg2")
  ("E61g" "King's Indian: 4.g3 O-O" "d4 Nf6 c4 g6 Nc3 Bg7 g3 O-O")
  ("E61g" "King's Indian: 4.g3 O-O 5.Bg2" "d4 Nf6 c4 g6 Nc3 Bg7 g3 O-O Bg2")
  ("E61g" "King's Indian: 4.g3 O-O 5.Bg2 d6" "d4 Nf6 c4 g6 Nc3 Bg7 g3 O-O Bg2 d6")
  ("E61h" "King's Indian: Fianchetto, Flohr Variation" "d4 Nf6 c4 g6 Nc3 Bg7 g3 O-O Bg2 d6 e3")
  ("E61i" "King's Indian: 4.Nf3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3")
  ("E61i" "King's Indian: 4.Nf3 d6" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6")
  ("E61i" "King's Indian: 4.Nf3 d6 5.e3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 e3")
  ("E61j" "King's Indian: Smyslov System" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 Bg5")
  ("E61j" "King's Indian: Smyslov System" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 Bg5 h6")
  ("E61k" "King's Indian: 4.Nf3 O-O" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 O-O")
  ("E61l" "King's Indian: 4.Nf3 O-O 5.g3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 O-O g3")
  ("E61m" "King's Indian: 4.Nf3 O-O 5.e3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 O-O e3")
  ("E61m" "King's Indian: 4.Nf3 O-O 5.e3 d6" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 O-O e3 d6")
  ("E61n" "King's Indian: 4.Nf3 O-O 5.e3 d6 6.Be2" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 O-O e3 d6 Be2")
  ("E61o" "King's Indian: 4.Nf3 O-O 5.e3 d6 6.Be2 c5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 O-O e3 d6 Be2 c5")
  ("E61o" "King's Indian: 4.Nf3 O-O 5.e3 d6 6.Be2 c5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 O-O e3 d6 Be2 c5 O-O")
  ("E61p" "King's Indian: 4.Nf3 O-O 5.Bf4" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 O-O Bf4")
  ("E61q" "King's Indian: 4.Nf3 O-O 5.Bf4 d6" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 O-O Bf4 d6")
  ("E61q" "King's Indian: 4.Nf3 d6 5.Bf4 d6 6.h3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 O-O Bf4 d6 h3")
  ("E61r" "King's Indian: 4.Nf3 d6 5.Bf4 d6 6.e3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 O-O Bf4 d6 e3")
  ("E61s" "King's Indian: Smyslov System" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 O-O Bg5")
  ("E61t" "King's Indian: Smyslov System, 5...c5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 O-O Bg5 c5")
  ("E61t" "King's Indian: Smyslov System, 5...c5 6.e3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 O-O Bg5 c5 e3")
  ("E61u" "King's Indian: Smyslov System, 5...d6" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 O-O Bg5 d6")
  ("E61v" "King's Indian: Smyslov System, 6.e3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 O-O Bg5 d6 e3")
  ("E61w" "King's Indian: Smyslov System, 6.e3 c6" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 O-O Bg5 d6 e3 c6")
  ("E61x" "King's Indian: Smyslov System, 6.e3 c6" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 O-O Bg5 d6 e3 c5")
  ("E61y" "King's Indian: Smyslov System, 5...O-O 6.e3 Nbd7" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 O-O Bg5 d6 e3 Nbd7")
  ("E61y" "King's Indian: Smyslov System, 5...O-O 6.e3 Nbd7 7.Be2" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 O-O Bg5 d6 e3 Nbd7 Be2")
  ("E61z" "King's Indian: Smyslov System, 5...O-O 6.e3 Nbd7 7.Be2 c6" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 O-O Bg5 d6 e3 Nbd7 Be2 c6")
  ("E61z" "King's Indian: Smyslov System, 5...O-O 6.e3 Nbd7 7.Be2 c6 8.O-O" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 O-O Bg5 d6 e3 Nbd7 Be2 c6 O-O")
  ("E62a" "King's Indian: Fianchetto Variation" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3")
  ("E62a" "King's Indian: Fianchetto Variation" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O")
  ("E62b" "King's Indian: Fianchetto Variation" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2")
  ("E62c" "King's Indian: Fianchetto, 6...c6" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c6")
  ("E62d" "King's Indian: Fianchetto, 6...c6 7.O-O" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c6 O-O")
  ("E62e" "King's Indian: Fianchetto, 6...c6 7.O-O a6" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c6 O-O a6")
  ("E62f" "King's Indian: Fianchetto, Larsen System" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c6 O-O Bf5")
  ("E62g" "King's Indian: Fianchetto, Larsen System, 8.b3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c6 O-O Bf5 b3")
  ("E62h" "King's Indian: Fianchetto, Kavalek/Bronstein Variation" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c6 O-O Qa5")
  ("E62i" "King's Indian: Fianchetto, Kavalek/Bronstein, 8.h3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c6 O-O Qa5 h3")
  ("E62j" "King's Indian: Fianchetto, Kavalek/Bronstein, 8.e4" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c6 O-O Qa5 e4")
  ("E62k" "King's Indian: Fianchetto, Kavalek/Bronstein, 8.e4 Bg4" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c6 O-O Qa5 e4 Bg4")
  ("E62l" "King's Indian: Fianchetto, 6...Nc6" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6")
  ("E62m" "King's Indian: Fianchetto, 6...Nc6 7.d5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 d5")
  ("E62n" "King's Indian: Fianchetto, 6...Nc6 7.O-O" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O")
  ("E62o" "King's Indian: Fianchetto, 6...Nc6 7.O-O Rb8" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O Rb8")
  ("E62p" "King's Indian: Fianchetto, Spassky Variation" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O Bf5")
  ("E62q" "King's Indian: Fianchetto, Spassky, 8.d5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O Bf5 d5")
  ("E62r" "King's Indian: Fianchetto, Simagin Variation" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O Bg4")
  ("E62s" "King's Indian: Fianchetto, Simagin, 8.d5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O Bg4 d5")
  ("E62t" "King's Indian: Fianchetto, Uhlmann/Szabo Variation" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O e5")
  ("E62u" "King's Indian: Fianchetto, Uhlmann/Szabo Variation" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O e5 d5 Ne7")
  ("E62v" "King's Indian: Fianchetto, Uhlmann/Szabo, 9.e4" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O e5 d5 Ne7 e4")
  ("E63a" "King's Indian: Fianchetto, Panno Variation" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O a6")
  ("E63b" "King's Indian: Fianchetto, Panno, 8.Re1" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O a6 Re1")
  ("E63c" "King's Indian: Fianchetto, Panno, 8.e4" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O a6 e4")
  ("E63d" "King's Indian: Fianchetto, Panno, 8.b3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O a6 b3")
  ("E63e" "King's Indian: Fianchetto, Panno, 8.b3 Rb8" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O a6 b3 Rb8")
  ("E63f" "King's Indian: Fianchetto, Panno, 8.b3 Rb8 9.Bb2" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O a6 b3 Rb8 Bb2")
  ("E63g" "King's Indian: Fianchetto, Panno, 8.b3 Rb8 9.Nd5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O a6 b3 Rb8 Nd5")
  ("E63h" "King's Indian: Fianchetto, Panno, 8.h3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O a6 h3")
  ("E63i" "King's Indian: Fianchetto, Panno, 8.h3 Rb8" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O a6 h3 Rb8")
  ("E63j" "King's Indian: Fianchetto, Panno, 8.h3 Rb8 9.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O a6 h3 Rb8 Be3")
  ("E63k" "King's Indian: Fianchetto, Panno, 8.h3 Rb8 9.e4" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O a6 h3 Rb8 e4")
  ("E63l" "King's Indian: Fianchetto, Panno, 8.d5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O a6 d5")
  ("E63m" "King's Indian: Fianchetto, Panno, 8.d5 Na5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nc6 O-O a6 d5 Na5")
  ("E64a" "King's Indian: Fianchetto, Yugoslav System" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5")
  ("E64b" "King's Indian: Fianchetto, Yugoslav, Early Exchange" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 dxc5")
  ("E64c" "King's Indian: Fianchetto, Yugoslav, 7.d5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 d5")
  ("E64d" "King's Indian: Fianchetto, Yugoslav, 7.d5 e6" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 d5 e6")
  ("E64e" "King's Indian: Fianchetto, Yugoslav, 7.d5 Na6" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 d5 Na6")
  ("E65a" "King's Indian: Fianchetto, Yugoslav, 7.O-O" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O")
  ("E65b" "King's Indian: Fianchetto, Yugoslav, 7.O-O cxd4" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O cxd4")
  ("E65c" "King's Indian: Fianchetto, Yugoslav, 7.O-O Nbd7" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O Nbd7")
  ("E65d" "King's Indian: Fianchetto, Yugoslav, 7.O-O Nc6" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O Nc6")
  ("E65e" "King's Indian: Fianchetto, Yugoslav, 7.O-O Nc6 8.h3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O Nc6 h3")
  ("E65f" "King's Indian: Fianchetto, Yugoslav, Exchange" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O Nc6 dxc5")
  ("E65g" "King's Indian: Fianchetto, Yugoslav, Exchange, 9.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O Nc6 dxc5 dxc5 Be3")
  ("E65h" "King's Indian: Fianchetto, Yugoslav, Exchange, 9.Bf4" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O Nc6 dxc5 dxc5 Bf4")
  ("E66a" "King's Indian: Fianchetto, Yugoslav Panno" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O Nc6 d5")
  ("E66b" "King's Indian: Fianchetto, Yugoslav Panno" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O Nc6 d5 Na5 Nd2")
  ("E66c" "King's Indian: Fianchetto, Yugoslav Panno" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O Nc6 d5 Na5")
  ("E66d" "King's Indian: Fianchetto, Yugoslav Panno, 9...e5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O Nc6 d5 Na5 Nd2 e5")
  ("E66e" "King's Indian: Fianchetto, Yugoslav Panno, 9...a6" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O Nc6 d5 Na5 Nd2 a6")
  ("E66f" "King's Indian: Fianchetto, Yugoslav Panno, 9...a6 10.Rb1" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O Nc6 d5 Na5 Nd2 a6 Rb1")
  ("E66g" "King's Indian: Fianchetto, Yugoslav Panno, 9...a6 10.Rb1 Rb8" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O Nc6 d5 Na5 Nd2 a6 Rb1 Rb8")
  ("E66h" "King's Indian: Fianchetto, Yugoslav Panno, 9...a6 10.Qc2" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O Nc6 d5 Na5 Nd2 a6 Qc2")
  ("E66i" "King's Indian: Fianchetto, Yugoslav Panno, 9...a6 10.Qc2 Rb8" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O Nc6 d5 Na5 Nd2 a6 Qc2 Rb8")
  ("E66j" "King's Indian: Fianchetto, Yugoslav Panno, 9...a6 10.Qc2 Rb8 11.b3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O Nc6 d5 Na5 Nd2 a6 Qc2 Rb8 b3")
  ("E66k" "King's Indian: Fianchetto, Yugoslav Panno, Main Line" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O Nc6 d5 Na5 Nd2 a6 Qc2 Rb8 b3 b5")
  ("E66l" "King's Indian: Fianchetto, Yugoslav Panno, Main Line, 12.Bb2" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O Nc6 d5 Na5 Nd2 a6 Qc2 Rb8 b3 b5 Bb2")
  ("E66m" "King's Indian: Fianchetto, Yugoslav Panno, Main Line, 12.Bb2 e5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O Nc6 d5 Na5 Nd2 a6 Qc2 Rb8 b3 b5 Bb2 e5")
  ("E66n" "King's Indian: Fianchetto, Yugoslav Panno, Main Line, 12.Bb2 bxc4" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 c5 O-O Nc6 d5 Na5 Nd2 a6 Qc2 Rb8 b3 b5 Bb2 bxc4")
  ("E67a" "King's Indian: Fianchetto with 6...Nd7" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7")
  ("E67b" "King's Indian: Fianchetto with 6...Nd7 7.O-O" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O")
  ("E67c" "King's Indian: Fianchetto with 6...Nd7 7.O-O c6" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O c6")
  ("E67d" "King's Indian: Fianchetto, Classical Variation" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5")
  ("E67e" "King's Indian: Fianchetto, Classical, 8.d5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 d5")
  ("E67f" "King's Indian: Fianchetto, Classical, 8.dxe5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 dxe5")
  ("E67g" "King's Indian: Fianchetto, Classical, 8.b3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 b3")
  ("E67h" "King's Indian: Fianchetto, Classical, 8.Qc2" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 Qc2")
  ("E67i" "King's Indian: Fianchetto, Classical, 8.Qc2 c6" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 Qc2 c6")
  ("E67j" "King's Indian: Fianchetto, Classical, 8.h3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 h3")
  ("E67k" "King's Indian: Fianchetto, Classical, 8.h3 Re8" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 h3 Re8")
  ("E67l" "King's Indian: Fianchetto, Classical, 8.h3 c6" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 h3 c6")
  ("E68a" "King's Indian: Fianchetto, Classical, 8.e4" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4")
  ("E68b" "King's Indian: Fianchetto, Classical, 8.e4 Re8" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 Re8")
  ("E68c" "King's Indian: Fianchetto, Classical, 8.e4 exd4" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 exd4")
  ("E68d" "King's Indian: Fianchetto, Classical, 8.e4 exd4 9.Nxd4 Nc5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 exd4 Nxd4 Nc5")
  ("E68e" "King's Indian: Fianchetto, Classical, 8.e4 exd4 9.Nxd4 Re8" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 exd4 Nxd4 Re8")
  ("E68f" "King's Indian: Fianchetto, Classical, 8.e4 exd4 9.Nxd4 Re8 10.h3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 exd4 Nxd4 Re8 h3")
  ("E68g" "King's Indian: Fianchetto, Classical, 8.e4 exd4 9.Nxd4 Re8 10.h3 Nc5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 exd4 Nxd4 Re8 h3 Nc5")
  ("E68h" "King's Indian: Fianchetto, Classical, 8.e4 exd4 9.Nxd4 Re8 10.h3 Nc5 11.Re1 a5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 exd4 Nxd4 Re8 h3 Nc5 Re1 a5")
  ("E68i" "King's Indian: Fianchetto, Classical, 8.e4 a6" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 a6")
  ("E68j" "King's Indian: Fianchetto, Classical, 8.e4 c6" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6")
  ("E68k" "King's Indian: Fianchetto, Classical, 8.e4 c6 9.Rb1" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 Rb1")
  ("E68l" "King's Indian: Fianchetto, Classical, 8.e4 c6 9.b3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 b3")
  ("E69a" "King's Indian: Fianchetto, Classical, 9.h3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3")
  ("E69b" "King's Indian: Fianchetto, Classical, 9.h3 Qe7" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Qe7")
  ("E69c" "King's Indian: Fianchetto, Classical, 9.h3 a6" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 a6")
  ("E69d" "King's Indian: Fianchetto, Classical, 9.h3 a5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 a5")
  ("E69e" "King's Indian: Fianchetto, Classical, 9.h3 exd4" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 exd4")
  ("E69f" "King's Indian: Fianchetto, Classical, 9.h3 exd4 10.Nxd4 Re8" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 exd4 Nxd4 Re8")
  ("E69g" "King's Indian: Fianchetto, Classical, 9.h3 Qa5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Qa5")
  ("E69h" "King's Indian: Fianchetto, Classical, 9.h3 Qa5 10.Re1" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Qa5 Re1")
  ("E69h" "King's Indian: Fianchetto, Classical, 9.h3 Qa5 10.Re1 exd4" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Qa5 Re1 exd4")
  ("E69h" "King's Indian: Fianchetto, Classical, 9.h3 Qa5 10.Re1 exd4" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Qa5 Re1 exd4 Nxd4")
  ("E69i" "King's Indian: Fianchetto, Classical, 9.h3 Qb6" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Qb6")
  ("E69i" "King's Indian: Fianchetto, Classical, 9.h3 Qb6 10.d5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Qb6 d5")
  ("E69j" "King's Indian: Fianchetto, Classical, 9.h3 Qb6 10.c5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Qb6 c5")
  ("E69k" "King's Indian: Fianchetto, Classical, 9.h3 Qb6 10.Re1" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Qb6 Re1")
  ("E69l" "King's Indian: Fianchetto, Classical, 9.h3 Qb6 10.Re1 Re8" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Qb6 Re1 Re8")
  ("E69m" "King's Indian: Fianchetto, Classical, 9.h3 Qb6 10.Re1 exd4" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Qb6 Re1 exd4")
  ("E69m" "King's Indian: Fianchetto, Classical, 9.h3 Qb6 10.Re1 exd4" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Qb6 Re1 exd4 Nxd4")
  ("E69n" "King's Indian: Fianchetto, Classical, 9.h3 Qb6 10.Re1 exd4 11.Nxd4 Re8" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Qb6 Re1 exd4 Nxd4 Re8")
  ("E69o" "King's Indian: Fianchetto, Classical, 9.h3 Re8" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Re8")
  ("E69p" "King's Indian: Fianchetto, Classical, 9.h3 Re8 10.b3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Re8 b3")
  ("E69q" "King's Indian: Fianchetto, Classical, 9.h3 Re8 10.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Re8 Be3")
  ("E69r" "King's Indian: Fianchetto, Classical, 9.h3 Re8 10.Be3 exd4" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Re8 Be3 exd4")
  ("E69r" "King's Indian: Fianchetto, Classical, 9.h3 Re8 10.Be3 exd4 11.Nxd4" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Re8 Be3 exd4 Nxd4")
  ("E69s" "King's Indian: Fianchetto, Classical, 9.h3 Re8 10.Re1" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Re8 Re1")
  ("E69t" "King's Indian: Fianchetto, Classical, 9.h3 Re8 10.Re1 Qc7" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Re8 Re1 Qc7")
  ("E69u" "King's Indian: Fianchetto, Classical, 9.h3 Re8 10.Re1 a5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Re8 Re1 a5")
  ("E69u" "King's Indian: Fianchetto, Classical, 9.h3 Re8 10.Re1 a5 11.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Re8 Re1 a5 Be3")
  ("E69v" "King's Indian: Fianchetto, Classical, 9.h3 Re8 10.Re1 exd4" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Re8 Re1 exd4")
  ("E69v" "King's Indian: Fianchetto, Classical, 9.h3 Re8 10.Re1 exd4" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Re8 Re1 exd4 Nxd4")
  ("E69w" "King's Indian: Fianchetto, Classical, 9.h3 Re8 10.Re1 exd4, 11...a5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Re8 Re1 exd4 Nxd4 a5")
  ("E69x" "King's Indian: Fianchetto, Classical, 9.h3 Re8 10.Re1 exd4, 11...Nc5" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Re8 Re1 exd4 Nxd4 Nc5")
  ("E69y" "King's Indian: Fianchetto, Classical, 9.h3 Re8 10.Re1 exd4, 11...Nc5 12.Rb1" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Re8 Re1 exd4 Nxd4 Nc5 Rb1")
  ("E69z" "King's Indian: Fianchetto, Classical, 9.h3 Re8 10.Re1 exd4, 11...Nc5 12.b3" "d4 Nf6 c4 g6 Nc3 Bg7 Nf3 d6 g3 O-O Bg2 Nbd7 O-O e5 e4 c6 h3 Re8 Re1 exd4 Nxd4 Nc5 b3")
  ("E70a" "King's Indian: 4.e4" "d4 Nf6 c4 g6 Nc3 Bg7 e4")
  ("E70b" "King's Indian: 4.e4 O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 O-O")
  ("E70c" "King's Indian: 4.e4 O-O 5.e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 O-O e5")
  ("E70d" "King's Indian: 4.e4 O-O 5.Nf3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 O-O Nf3")
  ("E70e" "King's Indian: 4.e4 d6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6")
  ("E70f" "King's Indian: Kramer" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nge2")
  ("E70g" "King's Indian: Kramer, 5...O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nge2 O-O")
  ("E70h" "King's Indian: Kramer, 5...O-O 6.Ng3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nge2 O-O Ng3")
  ("E70i" "King's Indian: Kramer, 5...O-O 6.Ng3 e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nge2 O-O Ng3 e5")
  ("E70i" "King's Indian: Kramer, 5...O-O 6.Ng3 e5 7.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nge2 O-O Ng3 e5 d5")
  ("E70j" "King's Indian: 4.e4 d6 5.Bd3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Bd3")
  ("E70k" "King's Indian: 4.e4 d6 5.Bd3 e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Bd3 e5")
  ("E70l" "King's Indian: 4.e4 d6 5.Bd3 O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Bd3 O-O")
  ("E70m" "King's Indian: 4.e4 d6 5.Bd3 O-O 6.Nge2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Bd3 O-O Nge2")
  ("E70n" "King's Indian: 4.e4 d6 5.Bd3 O-O 6.Nge2 Nc6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Bd3 O-O Nge2 Nc6")
  ("E70n" "King's Indian: 4.e4 d6 5.Bd3 O-O 6.Nge2 Nc6 7.O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Bd3 O-O Nge2 Nc6 O-O")
  ("E70n" "King's Indian: 4.e4 d6 5.Bd3 O-O 6.Nge2 Nc6 7.O-O e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Bd3 O-O Nge2 Nc6 O-O e5")
  ("E70o" "King's Indian: 4.e4 d6 5.Bd3 O-O 6.Nge2 c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Bd3 O-O Nge2 c5")
  ("E70p" "King's Indian: 4.e4 d6 5.Bd3 O-O 6.Nge2 c5 7.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Bd3 O-O Nge2 c5 d5")
  ("E70p" "King's Indian: 4.e4 d6 5.Bd3 O-O 6.Nge2 c5 7.d5 e6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Bd3 O-O Nge2 c5 d5 e6")
  ("E70p" "King's Indian: 4.e4 d6 5.Bd3 O-O 6.Nge2 c5 7.d5 e6 8.O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Bd3 O-O Nge2 c5 d5 e6 O-O")
  ("E70q" "King's Indian: 4.e4 d6 5.Bd3 O-O 6.Nge2 e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Bd3 O-O Nge2 e5")
  ("E70r" "King's Indian: 4.e4 d6 5.Bd3 O-O 6.Nge2 e5 7.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Bd3 O-O Nge2 e5 d5")
  ("E70s" "King's Indian: Accelerated Averbakh System" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Bg5")
  ("E70t" "King's Indian: Accelerated Averbakh, 5...h6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Bg5 h6")
  ("E70u" "King's Indian: Accelerated Averbakh, 5...O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Bg5 O-O")
  ("E70v" "King's Indian: Accelerated Averbakh, 5...O-O 6.Qd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Bg5 O-O Qd2")
  ("E71a" "King's Indian: Makagonov System" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 h3")
  ("E71b" "King's Indian: Makagonov, 5...c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 h3 c5")
  ("E71c" "King's Indian: Makagonov, 5...Nbd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 h3 Nbd7")
  ("E71d" "King's Indian: Makagonov, 5...O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 h3 O-O")
  ("E71e" "King's Indian: Makagonov, 5...O-O 6.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 h3 O-O Be3")
  ("E71f" "King's Indian: Makagonov, 5...O-O 6.Be3 e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 h3 O-O Be3 e5")
  ("E71g" "King's Indian: Makagonov, 5...O-O 6.Bg5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 h3 O-O Bg5")
  ("E71h" "King's Indian: Makagonov, 5...O-O 6.Bg5 c6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 h3 O-O Bg5 c6")
  ("E71i" "King's Indian: Makagonov, 5...O-O 6.Bg5 h6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 h3 O-O Bg5 h6")
  ("E71j" "King's Indian: Makagonov, 5...O-O 6.Bg5 Nbd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 h3 O-O Bg5 Nbd7")
  ("E71k" "King's Indian: Makagonov, 5...O-O 6.Bg5 Na6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 h3 O-O Bg5 Na6")
  ("E71l" "King's Indian: Makagonov, 5...O-O 6.Bg5 Na6 7.Bd3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 h3 O-O Bg5 Na6 Bd3")
  ("E71l" "King's Indian: Makagonov, 5...O-O 6.Bg5 Na6 7.Bd3 e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 h3 O-O Bg5 Na6 Bd3 e5")
  ("E71m" "King's Indian: Makagonov, 5...O-O 6.Bg5 c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 h3 O-O Bg5 c5")
  ("E71m" "King's Indian: Makagonov, 5...O-O 6.Bg5 c5 7.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 h3 O-O Bg5 c5 d5")
  ("E71n" "King's Indian: Makagonov, 5...O-O 6.Bg5 c5 7.d5 b5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 h3 O-O Bg5 c5 d5 b5")
  ("E71o" "King's Indian: Makagonov, 5...O-O 6.Bg5 c5 7.d5 e6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 h3 O-O Bg5 c5 d5 e6")
  ("E72" "King's Indian: 4.e4 d6 5.g3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 g3")
  ("E72" "King's Indian: 4.e4 d6 5.g3 O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 g3 O-O")
  ("E72" "King's Indian: 4.e4 d6 5.g3 O-O 6.Bg2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 g3 O-O Bg2")
  ("E72" "King's Indian: 4.e4 d6 5.g3 O-O 6.Bg2 Nbd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 g3 O-O Bg2 Nbd7")
  ("E72" "King's Indian: 4.e4 d6 5.g3 O-O 6.Bg2 Nc6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 g3 O-O Bg2 Nc6")
  ("E72" "King's Indian: 4.e4 d6 5.g3 O-O 6.Bg2 c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 g3 O-O Bg2 c5")
  ("E72" "King's Indian: 4.e4 d6 5.g3 O-O 6.Bg2 e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 g3 O-O Bg2 e5")
  ("E72" "King's Indian: Pomar System" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 g3 O-O Bg2 e5 Nge2")
  ("E72" "King's Indian: Pomar System" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 g3 O-O Bg2 e5 Nge2 Nc6")
  ("E73a" "King's Indian: 5.Be2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2")
  ("E73b" "King's Indian: 5.Be2 c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 c5")
  ("E73c" "King's Indian: 5.Be2 e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 e5")
  ("E73d" "King's Indian: 5.Be2 e5 6.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 e5 d5")
  ("E73e" "King's Indian: 5.Be2 Nbd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 Nbd7")
  ("E73f" "King's Indian: 5.Be2 O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O")
  ("E73g" "King's Indian: 5.Be2 O-O 6.g4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O g4")
  ("E73h" "King's Indian: Semi-Averbakh System" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Be3")
  ("E73i" "King's Indian: Averbakh" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5")
  ("E73j" "King's Indian: Averbakh, 6...c6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c6")
  ("E73k" "King's Indian: Averbakh, 6...c6 7.Qd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c6 Qd2")
  ("E73l" "King's Indian: Averbakh, 6...c6 7.Qd2 Nbd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c6 Qd2 Nbd7")
  ("E73m" "King's Indian: Averbakh, 6...Nbd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 Nbd7")
  ("E73n" "King's Indian: Averbakh, 6...Nbd7 7.Qd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 Nbd7 Qd2")
  ("E73o" "King's Indian: Averbakh, 6...Nbd7 7.Qd2 e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 Nbd7 Qd2 e5")
  ("E73o" "King's Indian: Averbakh, 6...Nbd7 7.Qd2 e5 8.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 Nbd7 Qd2 e5 d5")
  ("E73o" "King's Indian: Averbakh, 6...Nbd7 7.Qd2 e5 8.d5 Nc5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 Nbd7 Qd2 e5 d5 Nc5")
  ("E73p" "King's Indian: Averbakh, 6...Na6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 Na6")
  ("E73q" "King's Indian: Averbakh, 6...Na6 7.h4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 Na6 h4")
  ("E73r" "King's Indian: Averbakh, 6...Na6 7.Qd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 Na6 Qd2")
  ("E73s" "King's Indian: Averbakh, 6...Na6 7.Qd2 e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 Na6 Qd2 e5")
  ("E73s" "King's Indian: Averbakh, 6...Na6 7.Qd2 e5 8.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 Na6 Qd2 e5 d5")
  ("E73t" "King's Indian: Averbakh, 6...Na6 7.Qd2 e5 8.d5 c6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 Na6 Qd2 e5 d5 c6")
  ("E73u" "King's Indian: Averbakh, 6...Na6 7.Qd2 e5 8.d5 Qe8" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 Na6 Qd2 e5 d5 Qe8")
  ("E73v" "King's Indian: Averbakh, 6...h6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 h6")
  ("E73w" "King's Indian: Averbakh, 6...h6 7.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 h6 Be3")
  ("E73x" "King's Indian: Averbakh, 6...h6 7.Be3 c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 h6 Be3 c5")
  ("E73y" "King's Indian: Averbakh, 6...h6 7.Be3 e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 h6 Be3 e5")
  ("E73y" "King's Indian: Averbakh, 6...h6 7.Be3 e5 8.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 h6 Be3 e5 d5")
  ("E73y" "King's Indian: Averbakh, 6...h6 7.Be3 e5 8.d5 c6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 h6 Be3 e5 d5 c6")
  ("E73z" "King's Indian: Averbakh, 6...h6 7.Be3 e5 8.d5 Nbd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 h6 Be3 e5 d5 Nbd7")
  ("E74a" "King's Indian: Averbakh, 6...c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5")
  ("E74b" "King's Indian: Averbakh, 6...c5 7.dxc5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 dxc5")
  ("E74b" "King's Indian: Averbakh, 6...c5 7.dxc5 Qa5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 dxc5 Qa5")
  ("E74c" "King's Indian: Averbakh, 6...c5 7.dxc5 Qa5 8.Bd2 Qxc5 9.Nf3 Bg4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 dxc5 Qa5 Bd2 Qxc5 Nf3 Bg4")
  ("E74d" "King's Indian: Averbakh, 6...c5 7.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5")
  ("E74e" "King's Indian: Averbakh, 6...c5 7.d5 Qa5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 Qa5")
  ("E74f" "King's Indian: Averbakh, 6...c5 7.d5 b5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 b5")
  ("E74f" "King's Indian: Averbakh, 6...c5 7.d5 b5 8.cxb5 a6 9.a4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 b5 cxb5 a6 a4")
  ("E74g" "King's Indian: Averbakh, 6...c5 7.d5 a6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 a6")
  ("E74g" "King's Indian: Averbakh, 6...c5 7.d5 a6 8.Qd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 a6 Qd2")
  ("E74h" "King's Indian: Averbakh, 6...c5 7.d5 a6 8.a4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 a6 a4")
  ("E74i" "King's Indian: Averbakh, 6...c5 7.d5 a6 8.a4 Qa5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 a6 a4 Qa5")
  ("E74j" "King's Indian: Averbakh, 6...c5 7.d5 h6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 h6")
  ("E74j" "King's Indian: Averbakh, 6...c5 7.d5 h6 8.Bh4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 h6 Bh4")
  ("E74k" "King's Indian: Averbakh, 6...c5 7.d5 h6 8.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 h6 Be3")
  ("E74l" "King's Indian: Averbakh, 6...c5 7.d5 h6 8.Be3 e6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 h6 Be3 e6")
  ("E74m" "King's Indian: Averbakh, 6...c5 7.d5 h6 8.Be3 e6 9.Qd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 h6 Be3 e6 Qd2")
  ("E74n" "King's Indian: Averbakh, 6...c5 7.d5 h6 8.Bf4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 h6 Bf4")
  ("E74o" "King's Indian: Averbakh, 6...c5 7.d5 h6 8.Bf4 e6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 h6 Bf4 e6")
  ("E75a" "King's Indian: Averbakh, 7.d5 e6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 e6")
  ("E75b" "King's Indian: Averbakh, 7.d5 e6 8.Nf3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 e6 Nf3")
  ("E75b" "King's Indian: Averbakh, 7.d5 e6 8.Nf3 exd5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 e6 Nf3 exd5")
  ("E75b" "King's Indian: Averbakh, 7.d5 e6 8.Nf3 exd5 9.exd5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 e6 Nf3 exd5 exd5")
  ("E75c" "King's Indian: Averbakh, 7.d5 e6 8.Nf3 h6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 e6 Nf3 h6")
  ("E75c" "King's Indian: Averbakh, 7.d5 e6 8.Nf3 h6 9.Bd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 e6 Nf3 h6 Bd2")
  ("E75c" "King's Indian: Averbakh, 7.d5 e6 8.Nf3 h6 9.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 e6 Nf3 h6 Be3")
  ("E75c" "King's Indian: Averbakh, 7.d5 e6 8.Nf3 h6 9.Bf4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 e6 Nf3 h6 Bf4")
  ("E75d" "King's Indian: Averbakh, 7.d5 e6 8.Nf3 h6 9.Bh4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 e6 Nf3 h6 Bh4")
  ("E75e" "King's Indian: Averbakh, 7.d5 e6 8.Nf3 h6 9.Bh4 exd5 10.cxd5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 e6 Nf3 h6 Bh4 exd5 cxd5")
  ("E75f" "King's Indian: Averbakh, 7.d5 e6 8.Qd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 e6 Qd2")
  ("E75g" "King's Indian: Averbakh, 7.d5 e6 8.Qd2 exd5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 e6 Qd2 exd5")
  ("E75g" "King's Indian: Averbakh, 7.d5 e6 8.Qd2 exd5 9.exd5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 e6 Qd2 exd5 exd5")
  ("E75h" "King's Indian: Averbakh, 7.d5 e6 8.Qd2 exd5 9.exd5 a6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 e6 Qd2 exd5 exd5 a6")
  ("E75i" "King's Indian: Averbakh, 7.d5 e6 8.Qd2 exd5 9.exd5 Re8" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 e6 Qd2 exd5 exd5 Re8")
  ("E75i" "King's Indian: Averbakh, 7.d5 e6 8.Qd2 exd5 9.exd5 Re8 10.Nf3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 e6 Qd2 exd5 exd5 Re8 Nf3")
  ("E75j" "King's Indian: Averbakh, 7.d5 e6 8.Qd2 exd5 9.exd5 Re8 10.Nf3 Bg4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Be2 O-O Bg5 c5 d5 e6 Qd2 exd5 exd5 Re8 Nf3 Bg4")
  ("E76a" "King's Indian: Four Pawns Attack" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4")
  ("E76b" "King's Indian: Four Pawns Attack, 5...c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 c5")
  ("E76b" "King's Indian: Four Pawns Attack, Exchange" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 c5 dxc5")
  ("E76c" "King's Indian: Four Pawns Attack, 5...c5 6.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 c5 d5")
  ("E76d" "King's Indian: Four Pawns Attack, 5...O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O")
  ("E76e" "King's Indian: Four Pawns Attack, 5...O-O 6.Nf3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Nf3")
  ("E76e" "King's Indian: Four Pawns Attack, 6.Nf3 Bg4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Nf3 Bg4")
  ("E76f" "King's Indian: Four Pawns Attack, 6.Nf3 Na6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Nf3 Na6")
  ("E76g" "King's Indian: Four Pawns Attack, 6.Nf3 Na6 7.e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Nf3 Na6 e5")
  ("E76h" "King's Indian: Four Pawns Attack, 6.Nf3 Na6 7.Be2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Nf3 Na6 Be2")
  ("E76i" "King's Indian: Four Pawns Attack, 6.Nf3 Na6 7.Bd3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Nf3 Na6 Bd3")
  ("E76j" "King's Indian: Four Pawns Attack, 6.Nf3 Na6 7.Bd3 e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Nf3 Na6 Bd3 e5")
  ("E76k" "King's Indian: Four Pawns Attack, 6.Nf3 c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Nf3 c5")
  ("E76l" "King's Indian: Four Pawns Attack, 6.Nf3 c5 7.dxc5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Nf3 c5 dxc5")
  ("E76m" "King's Indian: Four Pawns Attack, 6.Nf3 c5 7.dxc5 Qa5 8.Bd3 Qxc5 9.Qe2 Nc6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Nf3 c5 dxc5 Qa5 Bd3 Qxc5 Qe2 Nc6")
  ("E76n" "King's Indian: Four Pawns Attack, 6.Nf3 c5 7.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Nf3 c5 d5")
  ("E76o" "King's Indian: Four Pawns Attack, 6.Nf3 c5 7.d5 a6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Nf3 c5 d5 a6")
  ("E76p" "King's Indian: Four Pawns Attack, 6.Nf3 c5 7.d5 b5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Nf3 c5 d5 b5")
  ("E76q" "King's Indian: Four Pawns Attack, 6.Nf3 c5 7.d5 b5 8.cxb5 a6 9.a4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Nf3 c5 d5 b5 cxb5 a6 a4")
  ("E76r" "King's Indian: Four Pawns Attack, 6.Nf3 c5 7.d5 e6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Nf3 c5 d5 e6")
  ("E76r" "King's Indian: Four Pawns Attack, 6.Nf3 c5 7.d5 e6 8.dxe6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Nf3 c5 d5 e6 dxe6")
  ("E77" "King's Indian: Four Pawns Attack, 6.Be2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Be2")
  ("E77" "King's Indian: Four Pawns Attack, 6.Be2 c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Be2 c5")
  ("E77" "King's Indian: Four Pawns Attack, 6.Be2 c5 7.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Be2 c5 d5")
  ("E77" "King's Indian: Four Pawns Attack, Six Pawns line" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Be2 c5 d5 e6 dxe6 fxe6 g4 Nc6 h4")
  ("E77" "King's Indian: Four Pawns Attack, 6.Be2 c5 7.d5 e6 8.Nf3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Be2 c5 d5 e6 Nf3")
  ("E77" "King's Indian: Four Pawns Attack, 6.Be2 c5 7.d5 e6 8.Nf3 exd5 9.exd5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Be2 c5 d5 e6 Nf3 exd5 exd5")
  ("E77" "King's Indian: Four Pawns Attack, Florentine Gambit" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Be2 c5 d5 e6 Nf3 exd5 e5")
  ("E78" "King's Indian: Four Pawns Attack, 7.Nf3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Be2 c5 Nf3")
  ("E78" "King's Indian: Four Pawns Attack, 7.Nf3 Bg4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Be2 c5 Nf3 Bg4")
  ("E78" "King's Indian: Four Pawns Attack, 7.Nf3 cxd4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Be2 c5 Nf3 cxd4")
  ("E78" "King's Indian: Four Pawns Attack, 7.Nf3 cxd4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Be2 c5 Nf3 cxd4 Nxd4")
  ("E79" "King's Indian: Four Pawns Attack, Main Line" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Be2 c5 Nf3 cxd4 Nxd4 Nc6 Be3")
  ("E79" "King's Indian: Four Pawns Attack, Main Line, 9...Nxd4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Be2 c5 Nf3 cxd4 Nxd4 Nc6 Be3 Nxd4")
  ("E79" "King's Indian: Four Pawns Attack, Main Line, 9...Bd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Be2 c5 Nf3 cxd4 Nxd4 Nc6 Be3 Bd7")
  ("E79" "King's Indian: Four Pawns Attack, Main Line, 9...Bd7 10.Qd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f4 O-O Be2 c5 Nf3 cxd4 Nxd4 Nc6 Be3 Bd7 Qd2")
  ("E80a" "King's Indian: Sämisch Variation" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3")
  ("E80b" "King's Indian: Sämisch, 5...Na6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 Na6")
  ("E80c" "King's Indian: Sämisch, 5...Nc6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 Nc6")
  ("E80d" "King's Indian: Sämisch, 5...Nbd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 Nbd7")
  ("E80e" "King's Indian: Sämisch, 5...e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 e5")
  ("E80f" "King's Indian: Sämisch, 5...e5 6.Nge2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 e5 Nge2")
  ("E80g" "King's Indian: Sämisch, 5...e5 6.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 e5 d5")
  ("E80h" "King's Indian: Sämisch, 5...c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 c5")
  ("E80i" "King's Indian: Sämisch, 5...c5 Queenswap" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 c5 dxc5 dxc5 Qxd8+ Kxd8")
  ("E80j" "King's Indian: Sämisch, 5...a6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 a6")
  ("E80k" "King's Indian: Sämisch, 5...a6 6.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 a6 Be3")
  ("E80l" "King's Indian: Sämisch, 5...c6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 c6")
  ("E80m" "King's Indian: Sämisch, 5...c6 6.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 c6 Be3")
  ("E80n" "King's Indian: Sämisch, 5...c6 6.Be3 a6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 c6 Be3 a6")
  ("E80o" "King's Indian: Sämisch, 5...c6 6.Be3 a6 7.a4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 c6 Be3 a6 a4")
  ("E80p" "King's Indian: Sämisch, 5...c6 6.Be3 a6 7.Bd3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 c6 Be3 a6 Bd3")
  ("E81a" "King's Indian: Sämisch, 5...O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O")
  ("E81b" "King's Indian: Sämisch, 5...O-O 6.Nge2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Nge2")
  ("E81c" "King's Indian: Sämisch, 5...O-O 6.Nge2 e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Nge2 e5")
  ("E81d" "King's Indian: Sämisch, 5...O-O 6.Nge2 c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Nge2 c5")
  ("E81d" "King's Indian: Sämisch, 5...O-O 6.Nge2 c5 7.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Nge2 c5 d5")
  ("E81e" "King's Indian: Sämisch, 5...O-O 6.Bg5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Bg5")
  ("E81f" "King's Indian: Sämisch, 5...O-O 6.Bg5 Nc6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Bg5 Nc6")
  ("E81g" "King's Indian: Sämisch, 5...O-O 6.Bg5 a6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Bg5 a6")
  ("E81h" "King's Indian: Sämisch, 5...O-O 6.Bg5 c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Bg5 c5")
  ("E81h" "King's Indian: Sämisch, 5...O-O 6.Bg5 c5 7.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Bg5 c5 d5")
  ("E81h" "King's Indian: Sämisch, 5...O-O 6.Bg5 c5 7.d5 a6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Bg5 c5 d5 a6")
  ("E81h" "King's Indian: Sämisch, 5...O-O 6.Bg5 c5 7.d5 h6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Bg5 c5 d5 h6")
  ("E81i" "King's Indian: Sämisch, 5...O-O 6.Bg5 c5 7.d5 e6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Bg5 c5 d5 e6")
  ("E81i" "King's Indian: Sämisch, 5...O-O 6.Bg5 c5 7.d5 e6 8.Qd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Bg5 c5 d5 e6 Qd2")
  ("E81j" "King's Indian: Sämisch, 5...O-O 6.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3")
  ("E81k" "King's Indian: Sämisch, 5...O-O 6.Be3 a6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 a6")
  ("E81k" "King's Indian: Sämisch, 5...O-O 6.Be3 a6 7.Qd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 a6 Qd2")
  ("E81l" "King's Indian: Sämisch, 5...O-O 6.Be3 c6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 c6")
  ("E81l" "King's Indian: Sämisch, Byrne Variation" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 c6 Bd3 a6")
  ("E81m" "King's Indian: Sämisch, 5...O-O 6.Be3 c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 c5")
  ("E81m" "King's Indian: Sämisch, 5...O-O 6.Be3 c5 7.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 c5 d5")
  ("E81n" "King's Indian: Sämisch, 5...O-O 6.Be3 c5 7.dxc5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 c5 dxc5")
  ("E81n" "King's Indian: Sämisch, 5...O-O 6.Be3 c5 Queenswap" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 c5 dxc5 dxc5 Qxd8+")
  ("E81o" "King's Indian: Sämisch, 5...O-O 6.Be3 c5 7.Nge2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 c5 Nge2")
  ("E81o" "King's Indian: Sämisch, 5...O-O 6.Be3 c5 7.Nge2 Nc6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 c5 Nge2 Nc6")
  ("E81p" "King's Indian: Sämisch, 5...O-O 6.Be3 c5 7.Nge2 Nc6 8.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 c5 Nge2 Nc6 d5")
  ("E81q" "King's Indian: Sämisch, 5...O-O 6.Be3 Nbd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nbd7")
  ("E81r" "King's Indian: Sämisch, 5...O-O 6.Be3 Nbd7 7.Qd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nbd7 Qd2")
  ("E81s" "King's Indian: Sämisch, 5...O-O 6.Be3 Nbd7 7.Qd2 c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nbd7 Qd2 c5")
  ("E81s" "King's Indian: Sämisch, 5...O-O 6.Be3 Nbd7 7.Qd2 c5 8.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nbd7 Qd2 c5 d5")
  ("E81t" "King's Indian: Sämisch, 5...O-O 6.Be3 Nbd7 7.Qd2 c5 8.Nge2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nbd7 Qd2 c5 Nge2")
  ("E81t" "King's Indian: Sämisch, 5...O-O 6.Be3 Nbd7 7.Qd2 c5 8.Nge2 a6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nbd7 Qd2 c5 Nge2 a6")
  ("E82a" "King's Indian: Sämisch, Fianchetto" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 b6")
  ("E82b" "King's Indian: Sämisch, Fianchetto, 7.Qd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 b6 Qd2")
  ("E82c" "King's Indian: Sämisch, Fianchetto, 7.Qd2 c5 8.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 b6 Qd2 c5 d5")
  ("E82d" "King's Indian: Sämisch, Fianchetto, Bronstein Variation" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 b6 Bd3")
  ("E82e" "King's Indian: Sämisch, Fianchetto, 7.Bd3 Nfd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 b6 Bd3 Nfd7")
  ("E82f" "King's Indian: Sämisch, Fianchetto, 7.Bd3 Bb7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 b6 Bd3 Bb7")
  ("E82g" "King's Indian: Sämisch, Fianchetto, 7.Bd3 Bb7 8.Nge2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 b6 Bd3 Bb7 Nge2")
  ("E82g" "King's Indian: Sämisch, Fianchetto, 7.Bd3 Bb7 8.Nge2 c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 b6 Bd3 Bb7 Nge2 c5")
  ("E82g" "King's Indian: Sämisch, Fianchetto, 7.Bd3 Bb7 8.Nge2 c5 9.d5 e6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 b6 Bd3 Bb7 Nge2 c5 d5 e6")
  ("E82h" "King's Indian: Sämisch, Fianchetto, 7.Bd3 a6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 b6 Bd3 a6")
  ("E82i" "King's Indian: Sämisch, Fianchetto, 7.Bd3 a6 8.Nge2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 b6 Bd3 a6 Nge2")
  ("E82i" "King's Indian: Sämisch, Fianchetto, 7.Bd3 a6 8.Nge2 c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 b6 Bd3 a6 Nge2 c5")
  ("E82j" "King's Indian: Sämisch, Fianchetto, 7.Bd3 a6 8.Nge2 c5 9.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 b6 Bd3 a6 Nge2 c5 d5")
  ("E82k" "King's Indian: Sämisch, Fianchetto, 7.Bd3 a6 8.Nge2 c5 9.e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 b6 Bd3 a6 Nge2 c5 e5")
  ("E83a" "King's Indian: Sämisch, 6...Nc6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6")
  ("E83b" "King's Indian: Sämisch, 6...Nc6 7.Qd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Qd2")
  ("E83c" "King's Indian: Sämisch, 6...Nc6 7.Qd2 a6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Qd2 a6")
  ("E83c" "King's Indian: Sämisch, 6...Nc6 7.Qd2 a6 8.O-O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Qd2 a6 O-O-O")
  ("E83d" "King's Indian: Sämisch, 6...Nc6 7.Nge2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2")
  ("E83e" "King's Indian: Sämisch, Ruban Variation" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 Rb8")
  ("E83e" "King's Indian: Sämisch, Ruban, 8.Qd2 Re8" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 Rb8 Qd2 Re8")
  ("E83f" "King's Indian: Sämisch, Panno" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6")
  ("E83g" "King's Indian: Sämisch, Panno, 8.a3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 a3")
  ("E83h" "King's Indian: Sämisch, Panno, 8.Nc1" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 Nc1")
  ("E83i" "King's Indian: Sämisch, Panno, 8.Qd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 Qd2")
  ("E83j" "King's Indian: Sämisch, Panno, 8.Qd2 Re8" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 Qd2 Re8")
  ("E84a" "King's Indian: Sämisch, Panno Main Line" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 Qd2 Rb8")
  ("E84b" "King's Indian: Sämisch, Panno Main Line, 9.a3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 Qd2 Rb8 a3")
  ("E84c" "King's Indian: Sämisch, Panno Main Line, 9.O-O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 Qd2 Rb8 O-O-O")
  ("E84d" "King's Indian: Sämisch, Panno Main Line, 9.g4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 Qd2 Rb8 g4")
  ("E84e" "King's Indian: Sämisch, Panno Main Line, 9.Rb1" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 Qd2 Rb8 Rb1")
  ("E84f" "King's Indian: Sämisch, Panno Main Line, 9.Bh6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 Qd2 Rb8 Bh6")
  ("E84g" "King's Indian: Sämisch, Panno Main Line, 9.Nc1" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 Qd2 Rb8 Nc1")
  ("E84g" "King's Indian: Sämisch, Panno Main Line, 9.Nc1 e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 Qd2 Rb8 Nc1 e5")
  ("E84h" "King's Indian: Sämisch, Panno Main Line, 9.Nc1 e5 10.Nb3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 Qd2 Rb8 Nc1 e5 Nb3")
  ("E84i" "King's Indian: Sämisch, Panno Main Line, 9.Nc1 e5 10.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 Qd2 Rb8 Nc1 e5 d5")
  ("E84j" "King's Indian: Sämisch, Panno Main Line, 9.Nc1 e5 10.d5 Nd4 11.Nb3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 Qd2 Rb8 Nc1 e5 d5 Nd4 Nb3")
  ("E84k" "King's Indian: Sämisch, Panno Main Line, 9.h4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 Qd2 Rb8 h4")
  ("E84l" "King's Indian: Sämisch, Panno Main Line, 9.h4 b5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 Qd2 Rb8 h4 b5")
  ("E84m" "King's Indian: Sämisch, Panno Main Line, 9.h4 h5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 Qd2 Rb8 h4 h5")
  ("E84n" "King's Indian: Sämisch, Panno Main Line, 9.h4 h5 10.O-O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 Qd2 Rb8 h4 h5 O-O-O")
  ("E84o" "King's Indian: Sämisch, Panno Main Line, 9.h4 h5 10.O-O-O b5 11.Bh6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 Nc6 Nge2 a6 Qd2 Rb8 h4 h5 O-O-O b5 Bh6")
  ("E85a" "King's Indian: Sämisch, Orthodox Variation" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5")
  ("E85b" "King's Indian: Sämisch, Orthodox, 7.dxe5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 dxe5")
  ("E85c" "King's Indian: Sämisch, Orthodox, Queenswap" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 dxe5 dxe5 Qxd8")
  ("E85d" "King's Indian: Sämisch, Orthodox, 7.Nge2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 Nge2")
  ("E85e" "King's Indian: Sämisch, Orthodox, 7.Nge2 exd4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 Nge2 exd4")
  ("E85f" "King's Indian: Sämisch, Orthodox, 7.Nge2 Nbd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 Nge2 Nbd7")
  ("E85g" "King's Indian: Sämisch, Orthodox, 7.Nge2 Nc6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 Nge2 Nc6")
  ("E85h" "King's Indian: Sämisch, Orthodox, 7.Nge2 Nc6 8.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 Nge2 Nc6 d5")
  ("E86a" "King's Indian: Sämisch, Orthodox, 7.Nge2 c6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 Nge2 c6")
  ("E86b" "King's Indian: Sämisch, Orthodox, 7.Nge2 c6 8.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 Nge2 c6 d5")
  ("E86c" "King's Indian: Sämisch, Orthodox, 7.Nge2 c6 8.Qb3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 Nge2 c6 Qb3")
  ("E86d" "King's Indian: Sämisch, Orthodox, 7.Nge2 c6 8.Qd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 Nge2 c6 Qd2")
  ("E86e" "King's Indian: Sämisch, Orthodox, 7.Nge2 c6 8.Qd2 Nbd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 Nge2 c6 Qd2 Nbd7")
  ("E86f" "King's Indian: Sämisch, Orthodox, 7.Nge2 c6 8.Qd2 Nbd7 9.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 Nge2 c6 Qd2 Nbd7 d5")
  ("E86g" "King's Indian: Sämisch, Orthodox, 7.Nge2 c6 8.Qd2 Nbd7 9.O-O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 Nge2 c6 Qd2 Nbd7 O-O-O")
  ("E86h" "King's Indian: Sämisch, Orthodox, 7.Nge2 c6 8.Qd2 Nbd7 9.O-O-O a6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 Nge2 c6 Qd2 Nbd7 O-O-O a6")
  ("E86i" "King's Indian: Sämisch, Orthodox, 7.Nge2 c6 8.Qd2 Nbd7 9.O-O-O a6 10.Kb1" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 Nge2 c6 Qd2 Nbd7 O-O-O a6 Kb1")
  ("E87a" "King's Indian: Sämisch, Orthodox, 7.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5")
  ("E87b" "King's Indian: Sämisch, Orthodox, 7.d5 a5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 a5")
  ("E87c" "King's Indian: Sämisch, Orthodox, 7.d5 c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 c5")
  ("E87d" "King's Indian: Sämisch, Orthodox, 7.d5 Nbd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 Nbd7")
  ("E87e" "King's Indian: Sämisch, Orthodox, 7.d5 Nh5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 Nh5")
  ("E87f" "King's Indian: Sämisch, Orthodox, 7.d5 Nh5 8.Qd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 Nh5 Qd2")
  ("E87g" "King's Indian: Sämisch, Orthodox, Bronstein Variation" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 Nh5 Qd2 Qh4+")
  ("E87h" "King's Indian: Sämisch, Orthodox, Bronstein, 9.g3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 Nh5 Qd2 Qh4+ g3")
  ("E87i" "King's Indian: Sämisch, Orthodox, Bronstein, 9.Bf2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 Nh5 Qd2 Qh4+ Bf2")
  ("E87j" "King's Indian: Sämisch, Orthodox, 7.d5 Nh5 8.Qd2 f5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 Nh5 Qd2 f5")
  ("E87k" "King's Indian: Sämisch, Orthodox, 7.d5 Nh5 8.Qd2 f5 9.O-O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 Nh5 Qd2 f5 O-O-O")
  ("E87l" "King's Indian: Sämisch, Orthodox, 7.d5 Nh5 8.Qd2 f5 9.O-O-O f4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 Nh5 Qd2 f5 O-O-O f4")
  ("E87m" "King's Indian: Sämisch, Orthodox, 7.d5 Nh5 8.Qd2 f5 9.O-O-O Nd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 Nh5 Qd2 f5 O-O-O Nd7")
  ("E88a" "King's Indian: Sämisch, Orthodox, 7.d5 c6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6")
  ("E88b" "King's Indian: Sämisch, Orthodox, 7.d5 c6 8.Qd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6 Qd2")
  ("E88c" "King's Indian: Sämisch, Orthodox, 7.d5 c6 8.Qd2 cxd5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6 Qd2 cxd5")
  ("E88d" "King's Indian: Sämisch, Orthodox, 7.d5 c6 8.Qd2 cxd5 9.cxd5 a6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6 Qd2 cxd5 cxd5 a6")
  ("E88e" "King's Indian: Sämisch, Orthodox, 7.d5 c6 8.Qd2 cxd5 9.cxd5 a6 10.Bd3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6 Qd2 cxd5 cxd5 a6 Bd3")
  ("E88f" "King's Indian: Sämisch, Orthodox, Polugayevsky" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6 Bd3")
  ("E88g" "King's Indian: Sämisch, Orthodox, Polugayevsky, 8...b5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6 Bd3 b5")
  ("E88h" "King's Indian: Sämisch, Orthodox, Polugayevsky, 8...cxd5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6 Bd3 cxd5")
  ("E88i" "King's Indian: Sämisch, Orthodox, Polugayevsky, 8...cxd5 9.cxd5 Nh5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6 Bd3 cxd5 cxd5 Nh5")
  ("E89a" "King's Indian: Sämisch, Orthodox Main Line" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6 Nge2 cxd5")
  ("E89b" "King's Indian: Sämisch, Orthodox Main Line, 9...a6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6 Nge2 cxd5 cxd5 a6")
  ("E89c" "King's Indian: Sämisch, Orthodox Main Line, 9...Bd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6 Nge2 cxd5 cxd5 Bd7")
  ("E89d" "King's Indian: Sämisch, Orthodox Main Line, 9...Nbd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6 Nge2 cxd5 cxd5 Nbd7")
  ("E89e" "King's Indian: Sämisch, Orthodox Main Line, 10.Qd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6 Nge2 cxd5 cxd5 Nbd7 Qd2")
  ("E89f" "King's Indian: Sämisch, Orthodox Main Line, 10.Qd2 a6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6 Nge2 cxd5 cxd5 Nbd7 Qd2 a6")
  ("E89g" "King's Indian: Sämisch, Orthodox Main Line, 10.Qd2 a6 11.g4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6 Nge2 cxd5 cxd5 Nbd7 Qd2 a6 g4")
  ("E89h" "King's Indian: Sämisch, Orthodox Main Line, 10.Qd2 a6 11.g4 h5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 f3 O-O Be3 e5 d5 c6 Nge2 cxd5 cxd5 Nbd7 Qd2 a6 g4 h5")
  ("E90a" "King's Indian: 5.Nf3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3")
  ("E90a" "King's Indian: 5.Nf3 Nbd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 Nbd7")
  ("E90a" "King's Indian: 5.Nf3 Nbd7 6.Be2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 Nbd7 Be2")
  ("E90a" "King's Indian: 5.Nf3 Nbd7 6.Be2 e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 Nbd7 Be2 e5")
  ("E90b" "King's Indian: 5.Nf3 Bg4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 Bg4")
  ("E90c" "King's Indian: 5.Nf3 c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 c5")
  ("E90d" "King's Indian: 5.Nf3 c5 6.d5 O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 c5 d5 O-O")
  ("E90e" "King's Indian: 5.Nf3 O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O")
  ("E90f" "King's Indian: 5.Nf3 O-O 6.Bd3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Bd3")
  ("E90g" "King's Indian: Zinnowitz Variation" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Bg5")
  ("E90g" "King's Indian: Zinnowitz, 6...h6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Bg5 h6")
  ("E90h" "King's Indian: Larsen Variation" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be3")
  ("E90h" "King's Indian: Larsen, 6...c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be3 c5")
  ("E90i" "King's Indian: Larsen, 6...e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be3 e5")
  ("E90j" "King's Indian: Larsen, 6...e5, Queenswap" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be3 e5 dxe5 dxe5 Qxd8+")
  ("E90k" "King's Indian: 5.Nf3 O-O 6.h3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3")
  ("E90l" "King's Indian: 5.Nf3 O-O 6.h3 Nbd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 Nbd7")
  ("E90l" "King's Indian: 5.Nf3 O-O 6.h3 Nbd7 7.Bg5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 Nbd7 Bg5")
  ("E90m" "King's Indian: 5.Nf3 O-O 6.h3 Na6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 Na6")
  ("E90m" "King's Indian: 5.Nf3 O-O 6.h3 Na6 7.Bg5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 Na6 Bg5")
  ("E90n" "King's Indian: 5.Nf3 O-O 6.h3 e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 e5")
  ("E90n" "King's Indian: 5.Nf3 O-O 6.h3 e5 7.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 e5 Be3")
  ("E90o" "King's Indian: 5.Nf3 O-O 6.h3 e5 Queenswap" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 e5 dxe5 dxe5 Qxd8+")
  ("E90p" "King's Indian: 5.Nf3 O-O 6.h3 e5 7.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 e5 d5")
  ("E90q" "King's Indian: 5.Nf3 O-O 6.h3 e5 7.d5 a5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 e5 d5 a5")
  ("E90r" "King's Indian: 5.Nf3 O-O 6.h3 e5 7.d5 Nbd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 e5 d5 Nbd7")
  ("E90r" "King's Indian: 5.Nf3 O-O 6.h3 e5 7.d5 Nbd7 8.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 e5 d5 Nbd7 Be3")
  ("E90r" "King's Indian: 5.Nf3 O-O 6.h3 e5 7.d5 Nbd7 8.Bg5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 e5 d5 Nbd7 Bg5")
  ("E90s" "King's Indian: 5.Nf3 O-O 6.h3 e5 7.d5 Na6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 e5 d5 Na6")
  ("E90s" "King's Indian: 5.Nf3 O-O 6.h3 e5 7.d5 Na6 8.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 e5 d5 Na6 Be3")
  ("E90s" "King's Indian: 5.Nf3 O-O 6.h3 e5 7.d5 Na6 8.Bg5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 e5 d5 Na6 Bg5")
  ("E90t" "King's Indian: 5.Nf3 O-O 6.h3 c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 c5")
  ("E90t" "King's Indian: 5.Nf3 O-O 6.h3 c5 7.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 c5 Be3")
  ("E90u" "King's Indian: 5.Nf3 O-O 6.h3 c5 7.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 c5 d5")
  ("E90v" "King's Indian: 5.Nf3 O-O 6.h3 c5 7.d5 e6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 c5 d5 e6")
  ("E90v" "King's Indian: 5.Nf3 O-O 6.h3 c5 7.d5 e6 8.Bd3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 c5 d5 e6 Bd3")
  ("E90w" "King's Indian: 5.Nf3 O-O 6.h3 c5 7.d5 e6 8.Bd3 Na6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 c5 d5 e6 Bd3 Na6")
  ("E90w" "King's Indian: 5.Nf3 O-O 6.h3 c5 7.d5 e6 8.Bd3 Na6 9.O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 c5 d5 e6 Bd3 Na6 O-O")
  ("E90w" "King's Indian: 5.Nf3 O-O 6.h3 c5 7.d5 e6 8.Bd3 Na6 9.O-O Nc7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 c5 d5 e6 Bd3 Na6 O-O Nc7")
  ("E90x" "King's Indian: 5.Nf3 O-O 6.h3 c5 7.d5 e6 8.Bd3 exd5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 c5 d5 e6 Bd3 exd5")
  ("E90x" "King's Indian: 5.Nf3 O-O 6.h3 c5 7.d5 e6 8.Bd3 exd5 9.exd5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 c5 d5 e6 Bd3 exd5 exd5")
  ("E90y" "King's Indian: 5.Nf3 O-O 6.h3 c5 7.d5 e6 8.Bd3 exd5 9.exd5 Re8" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O h3 c5 d5 e6 Bd3 exd5 exd5 Re8")
  ("E91a" "King's Indian: 6.Be2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2")
  ("E91b" "King's Indian: 6.Be2 a5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 a5")
  ("E91c" "King's Indian: 6.Be2 a6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 a6")
  ("E91d" "King's Indian: 6.Be2 c6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 c6")
  ("E91e" "King's Indian: 6.Be2 c6 7.O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 c6 O-O")
  ("E91f" "King's Indian: 6.Be2 c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 c5")
  ("E91g" "King's Indian: 6.Be2 c5 7.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 c5 d5")
  ("E91h" "King's Indian: 6.Be2 c5 7.d5 e6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 c5 d5 e6")
  ("E91h" "King's Indian: 6.Be2 c5 7.d5 e6 8.O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 c5 d5 e6 O-O")
  ("E91i" "King's Indian: 6.Be2 c5 7.d5 e6 8.O-O Re8" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 c5 d5 e6 O-O Re8")
  ("E91i" "King's Indian: 6.Be2 c5 7.d5 e6 8.O-O Re8 9.Nd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 c5 d5 e6 O-O Re8 Nd2")
  ("E91j" "King's Indian: 6.Be2 c5 7.O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 c5 O-O")
  ("E91k" "King's Indian: 6.Be2 c5 7.O-O Nc6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 c5 O-O Nc6")
  ("E91l" "King's Indian: Kazakh Variation" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 Na6")
  ("E91l" "King's Indian: Kazakh Variation, 7.Bg5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 Na6 Bg5")
  ("E91m" "King's Indian: Kazakh Variation, 7.O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 Na6 O-O")
  ("E91m" "King's Indian: Kazakh Variation, 7.O-O c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 Na6 O-O c5")
  ("E91n" "King's Indian: Kazakh Variation, 7.O-O c6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 Na6 O-O c6")
  ("E91o" "King's Indian: 6.Be2 Nc6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 Nc6")
  ("E91p" "King's Indian: 6.Be2 Nc6 7.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 Nc6 d5")
  ("E91q" "King's Indian: 6.Be2 Nbd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 Nbd7")
  ("E91q" "King's Indian: 6.Be2 Nbd7 7.Bg5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 Nbd7 Bg5")
  ("E91r" "King's Indian: 6.Be2 Nbd7 7.e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 Nbd7 e5")
  ("E91s" "King's Indian: 6.Be2 Nbd7 7.O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 Nbd7 O-O")
  ("E91t" "King's Indian: 6.Be2 Nbd7 7.O-O c6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 Nbd7 O-O c6")
  ("E91u" "King's Indian: 6.Be2 Bg4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 Bg4")
  ("E91v" "King's Indian: 6.Be2 Bg4 7.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 Bg4 Be3")
  ("E91w" "King's Indian: 6.Be2 Bg4 7.Be3 Nfd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 Bg4 Be3 Nfd7")
  ("E91x" "King's Indian: 6.Be2 Bg4 7.Be3 Nfd7 8.Rc1" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 Bg4 Be3 Nfd7 Rc1")
  ("E91y" "King's Indian: 6.Be2 Bg4 7.Be3 Nfd7 8.Ng1" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 Bg4 Be3 Nfd7 Ng1")
  ("E92a" "King's Indian: 6.Be2 e5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5")
  ("E92b" "King's Indian: 6.Be2 e5 Queenswap" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 dxe5")
  ("E92b" "King's Indian: 6.Be2 e5 Queenswap" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 dxe5 dxe5")
  ("E92c" "King's Indian: 6.Be2 e5 Queenswap, 9.Bg5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 dxe5 dxe5 Qxd8 Rxd8 Bg5")
  ("E92d" "King's Indian: 6.Be2 e5 Queenswap, 9.Bg5 c6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 dxe5 dxe5 Qxd8 Rxd8 Bg5 c6")
  ("E92e" "King's Indian: 6.Be2 e5 Queenswap, 9.Bg5 Re8" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 dxe5 dxe5 Qxd8 Rxd8 Bg5 Re8")
  ("E92f" "King's Indian: 6.Be2 e5 Queenswap, 9.Bg5 Re8 10.Nd5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 dxe5 dxe5 Qxd8 Rxd8 Bg5 Re8 Nd5")
  ("E92g" "King's Indian: Gligoric-Taimanov System" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 Be3")
  ("E92h" "King's Indian: Gligoric-Taimanov, 7...c6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 Be3 c6")
  ("E92i" "King's Indian: Gligoric-Taimanov, 7...exd4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 Be3 exd4")
  ("E92j" "King's Indian: Gligoric-Taimanov, 7...Qe7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 Be3 Qe7")
  ("E92k" "King's Indian: Gligoric-Taimanov, 7...Ng4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 Be3 Ng4")
  ("E92k" "King's Indian: Gligoric-Taimanov, 7...Ng4 8.Bg5 f6 9.Bc1" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 Be3 Ng4 Bg5 f6 Bc1")
  ("E92l" "King's Indian: Gligoric-Taimanov, 7...Ng4 8.Bg5 f6 9.Bh4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 Be3 Ng4 Bg5 f6 Bh4")
  ("E92m" "King's Indian: Gligoric-Taimanov, Main Line" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 Be3 Ng4 Bg5 f6 Bh4 Nc6")
  ("E92n" "King's Indian: Petrosian System" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5")
  ("E92o" "King's Indian: Petrosian, 7...c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 c5")
  ("E92p" "King's Indian: Petrosian, 7...c5 8.Bg5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 c5 Bg5")
  ("E92q" "King's Indian: Petrosian, Stein Variation" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 a5")
  ("E92r" "King's Indian: Petrosian, Stein, 8.h3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 a5 h3")
  ("E92s" "King's Indian: Petrosian, Stein, 8.Bg5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 a5 Bg5")
  ("E92s" "King's Indian: Petrosian, Stein, 8.Bg5 h6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 a5 Bg5 h6")
  ("E92t" "King's Indian: Petrosian, Stein, 8.Bg5 h6 9.Bh4 Na6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 a5 Bg5 h6 Bh4 Na6")
  ("E92u" "King's Indian: Petrosian, Stein, Main Line" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 a5 Bg5 h6 Bh4 Na6 Nd2")
  ("E92v" "King's Indian: Petrosian, Stein, Main Line, 10...Qe8" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 a5 Bg5 h6 Bh4 Na6 Nd2 Qe8")
  ("E92w" "King's Indian: Petrosian, Stein, Main Line, 10...Qe8 11.O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 a5 Bg5 h6 Bh4 Na6 Nd2 Qe8 O-O")
  ("E92w" "King's Indian: Petrosian, Stein, Main Line, 10...Qe8 11.O-O Bd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 a5 Bg5 h6 Bh4 Na6 Nd2 Qe8 O-O Bd7")
  ("E92x" "King's Indian: Petrosian, Stein, Main Line, 10...Qe8 11.O-O Nh7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 a5 Bg5 h6 Bh4 Na6 Nd2 Qe8 O-O Nh7")
  ("E93" "King's Indian: Petrosian, Main Line" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 Nbd7")
  ("E93" "King's Indian: Petrosian, Main Line, 8.Qc2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 Nbd7 Qc2")
  ("E93" "King's Indian: Petrosian, Main Line, 8.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 Nbd7 Be3")
  ("E93" "King's Indian: Petrosian, Main Line, 8.Be3 Ng4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 Nbd7 Be3 Ng4")
  ("E93" "King's Indian: Petrosian, Main Line, 8.Bg5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 Nbd7 Bg5")
  ("E93" "King's Indian: Petrosian, Main Line, 8.Bg5 h6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 Nbd7 Bg5 h6")
  ("E93" "King's Indian: Petrosian, Main Line, 8.Bg5 h6 9.Bh4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 Nbd7 Bg5 h6 Bh4")
  ("E93" "King's Indian: Petrosian, Main Line, 8.Bg5 h6 9.Bh4 a6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 Nbd7 Bg5 h6 Bh4 a6")
  ("E93" "King's Indian: Petrosian, Main Line, 8.Bg5 h6 9.Bh4 a5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 Nbd7 Bg5 h6 Bh4 a5")
  ("E93" "King's Indian: Petrosian, Main Line, 8.Bg5 h6 9.Bh4 g5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 Nbd7 Bg5 h6 Bh4 g5")
  ("E93" "King's Indian: Petrosian, Keres Variation" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 d5 Nbd7 Bg5 h6 Bh4 g5 Bg3 Nh5 h4")
  ("E94a" "King's Indian: 7.O-O" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O")
  ("E94b" "King's Indian: 7.O-O exd4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O exd4")
  ("E94c" "King's Indian: 7.O-O exd4 8.Nxd4 Re8 9.f3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O exd4 Nxd4 Re8 f3")
  ("E94c" "King's Indian: 7.O-O exd4 8.Nxd4 Re8 9.f3 c6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O exd4 Nxd4 Re8 f3 c6")
  ("E94c" "King's Indian: 7.O-O exd4 8.Nxd4 Re8 9.f3 c6 10.Kh1" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O exd4 Nxd4 Re8 f3 c6 Kh1")
  ("E94d" "King's Indian: 7.O-O exd4 8.Nxd4 Re8 9.f3 Nc6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O exd4 Nxd4 Re8 f3 Nc6")
  ("E94d" "King's Indian: 7.O-O exd4 8.Nxd4 Re8 9.f3 Nc6 10.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O exd4 Nxd4 Re8 f3 Nc6 Be3")
  ("E94e" "King's Indian: 7.O-O exd4 8.Nxd4 Re8 9.f3 Nc6 10.Be3 Nh5 11.Qd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O exd4 Nxd4 Re8 f3 Nc6 Be3 Nh5 Qd2")
  ("E94f" "King's Indian: Donner Variation" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O c6")
  ("E94g" "King's Indian: Donner, 8.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O c6 d5")
  ("E94h" "King's Indian: Donner, 8.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O c6 Be3")
  ("E94i" "King's Indian: Glek Variation" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Na6")
  ("E94j" "King's Indian: Glek, 8.Re1" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Na6 Re1")
  ("E94k" "King's Indian: Glek, 8.Re1 c6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Na6 Re1 c6")
  ("E94k" "King's Indian: Glek, 8.Re1 c6 9.Bf1" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Na6 Re1 c6 Bf1")
  ("E94l" "King's Indian: Glek, 8.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Na6 Be3")
  ("E94m" "King's Indian: Glek, 8.Be3 Ng4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Na6 Be3 Ng4")
  ("E94n" "King's Indian: Glek, 8.Be3 Ng4 9.Ng5 Qe8" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Na6 Be3 Ng4 Bg5 Qe8")
  ("E94o" "King's Indian: Glek, Main Line" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Na6 Be3 Ng4 Bg5 Qe8 dxe5 dxe5")
  ("E94o" "King's Indian: Glek, Main Line, 11.h3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Na6 Be3 Ng4 Bg5 Qe8 dxe5 dxe5 h3")
  ("E94o" "King's Indian: Glek, Main Line, 11.h3 h6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Na6 Be3 Ng4 Bg5 Qe8 dxe5 dxe5 h3 h6")
  ("E94p" "King's Indian: 7.O-O Nbd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7")
  ("E94q" "King's Indian: 7.O-O Nbd7 8.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 d5")
  ("E94q" "King's Indian: 7.O-O Nbd7 8.d5 Nc5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 d5 Nc5")
  ("E94r" "King's Indian: 7.O-O Nbd7 8.d5 Nc5 9.Qc2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 d5 Nc5 Qc2")
  ("E94r" "King's Indian: 7.O-O Nbd7 8.d5 Nc5 9.Qc2 a5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 d5 Nc5 Qc2 a5")
  ("E94s" "King's Indian: 7.O-O Nbd7 8.Qc2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Qc2")
  ("E94s" "King's Indian: 7.O-O Nbd7 8.Qc2 Re8" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Qc2 Re8")
  ("E94t" "King's Indian: 7.O-O Nbd7 8.Qc2 c6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Qc2 c6")
  ("E94u" "King's Indian: 7.O-O Nbd7 8.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Be3")
  ("E94v" "King's Indian: 7.O-O Nbd7 8.Be3 Ng4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Be3 Ng4")
  ("E94w" "King's Indian: 7.O-O Nbd7 8.Be3 Re8" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Be3 Re8")
  ("E94x" "King's Indian: 7.O-O Nbd7 8.Be3 c6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Be3 c6")
  ("E94y" "King's Indian: 7.O-O Nbd7 8.Be3 c6 9.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Be3 c6 d5")
  ("E94y" "King's Indian: 7.O-O Nbd7 8.Be3 c6 9.d5 c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Be3 c6 d5 c5")
  ("E95a" "King's Indian: 7.O-O Nbd7 8.Re1" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1")
  ("E95b" "King's Indian: 7.O-O Nbd7 8.Re1 a5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1 a5")
  ("E95c" "King's Indian: 7.O-O Nbd7 8.Re1 h6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1 h6")
  ("E95d" "King's Indian: 7.O-O Nbd7 8.Re1 Re8" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1 Re8")
  ("E95e" "King's Indian: 7.O-O Nbd7 8.Re1 Re8 9.Bf1" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1 Re8 Bf1")
  ("E95f" "King's Indian: 7.O-O Nbd7 8.Re1 exd4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1 exd4")
  ("E95g" "King's Indian: 7.O-O Nbd7 8.Re1 exd4 9.Nxd4 Nc5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1 exd4 Nxd4 Nc5")
  ("E95h" "King's Indian: 7.O-O Nbd7 8.Re1 c6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1 c6")
  ("E95i" "King's Indian: 7.O-O Nbd7 8.Re1 c6 9.Rb1" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1 c6 Rb1")
  ("E95j" "King's Indian: 7.O-O Nbd7 8.Re1 c6 9.Bf1" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1 c6 Bf1")
  ("E95k" "King's Indian: 7.O-O Nbd7 8.Re1 c6 9.Bf1 Re8" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1 c6 Bf1 Re8")
  ("E95l" "King's Indian: 7.O-O Nbd7 8.Re1 c6 9.Bf1 exd4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1 c6 Bf1 exd4")
  ("E95m" "King's Indian: 7.O-O Nbd7 8.Re1 c6 9.Bf1 exd4 10.Nxd4 Ng4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1 c6 Bf1 exd4 Nxd4 Ng4")
  ("E95n" "King's Indian: 7.O-O Nbd7 8.Re1 c6 9.Bf1 exd4 10.Nxd4 Re8" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1 c6 Bf1 exd4 Nxd4 Re8")
  ("E96" "King's Indian: 7.O-O Nbd7, Old Main Line" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1 c6 Bf1 a5")
  ("E96" "King's Indian: 7.O-O Nbd7, Old Main Line, 10.h3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1 c6 Bf1 a5 h3")
  ("E96" "King's Indian: 7.O-O Nbd7, Old Main Line, 10.dxe5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1 c6 Bf1 a5 dxe5")
  ("E96" "King's Indian: 7.O-O Nbd7, Old Main Line, 10.dxe5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1 c6 Bf1 a5 dxe5 dxe5")
  ("E96" "King's Indian: 7.O-O Nbd7, Old Main Line, 10.Rb1" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1 c6 Bf1 a5 Rb1")
  ("E96" "King's Indian: 7.O-O Nbd7, Old Main Line, 10.Rb1 Re8" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1 c6 Bf1 a5 Rb1 Re8")
  ("E96" "King's Indian: 7.O-O Nbd7, Old Main Line, 10.Rb1 Re8 11.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1 c6 Bf1 a5 Rb1 Re8 d5")
  ("E96" "King's Indian: 7.O-O Nbd7, Old Main Line, 10.Rb1 Re8 11.d5 Nc5 12.b3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nbd7 Re1 c6 Bf1 a5 Rb1 Re8 d5 Nc5 b3")
  ("E97a" "King's Indian: Mar del Plata" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6")
  ("E97b" "King's Indian: Mar del Plata, 8.dxe5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 dxe5")
  ("E97c" "King's Indian: Mar del Plata, 8.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 Be3")
  ("E97c" "King's Indian: Mar del Plata, 8.Be3 Ng4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 Be3 Ng4")
  ("E97c" "King's Indian: Mar del Plata, 8.Be3 Ng4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 Be3 Ng4 Bg5 f6 Bc1")
  ("E97d" "King's Indian: Mar del Plata, 8.d5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5")
  ("E97d" "King's Indian: Mar del Plata, 8.d5 Ne7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7")
  ("E97d" "King's Indian: Mar del Plata, Odessa Variation" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Bg5")
  ("E97e" "King's Indian: Mar del Plata, 9.Bd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Bd2")
  ("E97f" "King's Indian: Mar del Plata, Bayonet Attack" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4")
  ("E97g" "King's Indian: Mar del Plata, Bayonet Attack, 9...Kh8" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Kh8")
  ("E97h" "King's Indian: Mar del Plata, Bayonet Attack, 9...Ne8" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Ne8")
  ("E97h" "King's Indian: Mar del Plata, Bayonet Attack, 9...Ne8 10.c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Ne8 c5")
  ("E97i" "King's Indian: Mar del Plata, Bayonet Attack, 9...a5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 a5")
  ("E97i" "King's Indian: Mar del Plata, Bayonet Attack, 9...a5 10.bxa5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 a5 bxa5")
  ("E97j" "King's Indian: Mar del Plata, Bayonet Attack, 9...a5 10.Ba3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 a5 Ba3")
  ("E97k" "King's Indian: Mar del Plata, Bayonet Attack, 9...a5 10.Ba3 axb4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 a5 Ba3 axb4")
  ("E97k" "King's Indian: Mar del Plata, Bayonet Attack, 9...a5 10.Ba3 axb4 11.Bxb4 Nd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 a5 Ba3 axb4 Bxb4 Nd7")
  ("E97l" "King's Indian: Mar del Plata, Bayonet Attack, 9...Nh5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5")
  ("E97m" "King's Indian: Mar del Plata, Bayonet Attack, 9...Nh5 10.c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5 c5")
  ("E97n" "King's Indian: Mar del Plata, Bayonet Attack, 9...Nh5 10.g3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5 g3")
  ("E97o" "King's Indian: Mar del Plata, Bayonet Attack, 9...Nh5 10.Re1" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5 Re1")
  ("E97p" "King's Indian: Mar del Plata, Bayonet, 9...Nh5 10.Re1 a5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5 Re1 a5")
  ("E97q" "King's Indian: Mar del Plata, Bayonet, 9...Nh5 10.Re1 Nf4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5 Re1 Nf4")
  ("E97q" "King's Indian: Mar del Plata, Bayonet, 9...Nh5 10.Re1 Nf4 11.Bf1 a5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5 Re1 Nf4 Bf1 a5")
  ("E97q" "King's Indian: Mar del Plata, Bayonet, 9...Nh5 10.Re1 Nf4 11.Bf1 a5 12.bxa5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5 Re1 Nf4 Bf1 a5 bxa5")
  ("E97r" "King's Indian: Mar del Plata, Bayonet, 9...Nh5 10.Re1 f5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5 Re1 f5")
  ("E97s" "King's Indian: Mar del Plata, Bayonet, 9...Nh5 10.Re1 f5 11.Ng5 Nf6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5 Re1 f5 Ng5 Nf6")
  ("E97s" "King's Indian: Mar del Plata, Bayonet, 9...Nh5 10.Re1 f5 11.Ng5 Nf6 12.Bf3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5 Re1 f5 Ng5 Nf6 Bf3")
  ("E97s" "King's Indian: Mar del Plata, Bayonet, 9...Nh5 10.Re1 f5 11.Ng5 Nf6 12.Bf3 c6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 b4 Nh5 Re1 f5 Ng5 Nf6 Bf3 c6")
  ("E97t" "King's Indian: Mar del Plata, 9.Nd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2")
  ("E97u" "King's Indian: Mar del Plata, 9.Nd2 Ne8" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2 Ne8")
  ("E97u" "King's Indian: Mar del Plata, 9.Nd2 Ne8 10.b4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2 Ne8 b4")
  ("E97v" "King's Indian: Mar del Plata, 9.Nd2 Nd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2 Nd7")
  ("E97v" "King's Indian: Mar del Plata, 9.Nd2 Nd7 10.b4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2 Nd7 b4")
  ("E97w" "King's Indian: Mar del Plata, 9.Nd2 c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2 c5")
  ("E97x" "King's Indian: Mar del Plata, 9.Nd2 a5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2 a5")
  ("E97x" "King's Indian: Mar del Plata, 9.Nd2 a5 10.Rb1" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2 a5 Rb1")
  ("E97y" "King's Indian: Mar del Plata, 9.Nd2 a5 10.a3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2 a5 a3")
  ("E97y" "King's Indian: Mar del Plata, 9.Nd2 a5 10.a3 Bd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2 a5 a3 Bd7")
  ("E97z" "King's Indian: Mar del Plata, 9.Nd2 a5 10.a3 Nd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2 a5 a3 Nd7")
  ("E97z" "King's Indian: Mar del Plata, 9.Nd2 a5 10.a3 Nd7 11.Rb1" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2 a5 a3 Nd7 Rb1")
  ("E97z" "King's Indian: Mar del Plata, 9.Nd2 a5 10.a3 Nd7 11.Rb1 f5 12.b4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Nd2 a5 a3 Nd7 Rb1 f5 b4")
  ("E98a" "King's Indian: Mar del Plata, 9.Ne1" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1")
  ("E98b" "King's Indian: Mar del Plata, 9.Ne1 c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 c5")
  ("E98c" "King's Indian: Mar del Plata, 9.Ne1 Ne8" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Ne8")
  ("E98d" "King's Indian: Mar del Plata, 9.Ne1 Ne8 10.Nd3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Ne8 Nd3")
  ("E98d" "King's Indian: Mar del Plata, 9.Ne1 Ne8 10.Nd3 f5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Ne8 Nd3 f5")
  ("E98e" "King's Indian: Mar del Plata, 9.Ne1 Ne8 10.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Ne8 Be3")
  ("E98f" "King's Indian: Mar del Plata, 9.Ne1 Ne8 10.Be3 f5 11.f3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Ne8 Be3 f5 f3")
  ("E98g" "King's Indian: Mar del Plata, 9.Ne1 Ne8 10.Be3 f5 11.f3 f4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Ne8 Be3 f5 f3 f4")
  ("E98h" "King's Indian: Mar del Plata, 9.Ne1 Nd7" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7")
  ("E98i" "King's Indian: Mar del Plata, 9.Ne1 Nd7 10.Kh1" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 Kh1")
  ("E98j" "King's Indian: Mar del Plata, 9.Ne1 Nd7 10.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 Be3")
  ("E98k" "King's Indian: Mar del Plata, 9.Ne1 Nd7 10.Be3 f5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 Be3 f5")
  ("E98l" "King's Indian: Mar del Plata, 9.Ne1 Nd7 10.Nd3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 Nd3")
  ("E98m" "King's Indian: Mar del Plata, 9.Ne1 Nd7 10.Nd3 f5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 Nd3 f5")
  ("E98n" "King's Indian: Mar del Plata, 9.Ne1 Nd7 10.Nd3 f5 11.Bd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 Nd3 f5 Bd2")
  ("E98o" "King's Indian: Mar del Plata, Fischer Variation" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 Nd3 f5 Bd2 c5")
  ("E98p" "King's Indian: Mar del Plata, 9.Ne1 Nd7 10.Nd3 f5 11.Bd2 Kh8" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 Nd3 f5 Bd2 Kh8")
  ("E98q" "King's Indian: Mar del Plata, 9.Ne1 Nd7 10.Nd3 f5 11.Bd2 Nf6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 Nd3 f5 Bd2 Nf6")
  ("E98r" "King's Indian: Mar del Plata, 9.Ne1 Nd7 10.f3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 f3")
  ("E99" "King's Indian: Mar del Plata, 10.f3 f5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 f3 f5")
  ("E99" "King's Indian: Mar del Plata, 10.f3 f5 11.Nd3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 f3 f5 Nd3")
  ("E99" "King's Indian: Mar del Plata, 10.f3 f5 11.Nd3 Nf6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 f3 f5 Nd3 Nf6")
  ("E99" "King's Indian: Mar del Plata, 10.f3 f5 11.Nd3 Nf6 12.Bd2" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 f3 f5 Nd3 Nf6 Bd2")
  ("E99" "King's Indian: Mar del Plata, 10.f3 f5 11.Nd3 Nf6 12.Bd2 f4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 f3 f5 Nd3 Nf6 Bd2 f4")
  ("E99" "King's Indian: Mar del Plata, 10.f3 f5 11.Nd3 Nf6 12.Bd2 f4 13.c5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 f3 f5 Nd3 Nf6 Bd2 f4 c5")
  ("E99" "King's Indian: Mar del Plata, 10.f3 f5 11.Nd3 f4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 f3 f5 Nd3 f4")
  ("E99" "King's Indian: Mar del Plata, 10.f3 f5 11.Be3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 f3 f5 Be3")
  ("E99" "King's Indian: Mar del Plata, 10.f3 f5 11.Be3 f4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 f3 f5 Be3 f4")
  ("E99" "King's Indian: Mar del Plata, 10.f3 f5 11.Be3 f4 12.Bf2 g5" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 f3 f5 Be3 f4 Bf2 g5")
  ("E99" "King's Indian: Mar del Plata, 10.f3 f5 11.Be3 f4 12.Bf2 g5 13.a4" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 f3 f5 Be3 f4 Bf2 g5 a4")
  ("E99" "King's Indian: Mar del Plata, 10.f3 f5 11.Be3 f4 12.Bf2 g5 13.a4 Ng6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 f3 f5 Be3 f4 Bf2 g5 a4 Ng6")
  ("E99" "King's Indian: Mar del Plata, Benko Attack" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 f3 f5 g4")
  ("E99" "King's Indian: Mar del Plata, Benko Attack, 11...Kh8" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 f3 f5 g4 Kh8")
  ("E99" "King's Indian: Mar del Plata, Benko Attack, 11...Nf6" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 f3 f5 g4 Nf6")
  ("E99" "King's Indian: Mar del Plata, Benko Attack, 11...Nf6 12.Nd3" "d4 Nf6 c4 g6 Nc3 Bg7 e4 d6 Nf3 O-O Be2 e5 O-O Nc6 d5 Ne7 Ne1 Nd7 f3 f5 g4 Nf6 Nd3")))))
hash)
  "List of well known chess opening positions.")

(defvar chess-opening-last-opening nil)
(make-variable-buffer-local 'chess-opening-last-opening)

(defun chess-opening-classify (game)
  (let ((plies (chess-game-plies game))
	found)
    (while plies
      (let* ((fen (chess-pos-to-fen (chess-ply-pos (car plies))))
	     (entry (gethash fen chess-opening-hash-table)))
	(if entry
	    (setq found entry))
	(setq plies (cdr plies))))
    found))

(chess-message-catalog 'english
  '((announce-opening . "%s (ECO code %s)")))

(defun chess-opening-handler (game event &rest args)
  "Handle for the `chess-opening' module.
If you add `chess-opening' to `chess-default-modules', this handler will
try to figure out if the current position of a game does match a
well known chess opening position."
  (cond
   ((eq event 'initialize))

   ((eq event 'post-move)
    (when (= (chess-game-index game) 1)
      (setq chess-opening-last-opening nil))
    (when (< (chess-game-index game) chess-opening-max-index)
      (let ((info (chess-opening-classify game)))
	(when (and info (not (eq info chess-opening-last-opening)))
	  (setq chess-opening-last-opening info)
	  (chess-message 'announce-opening (car info) (cadr info))))))))

(defun chess-opening-parse-scid-eco ()
  (let ((result (list t)))
    (while (re-search-forward
	    "\\([A-E][0-9][0-9]\\([a-z][0-9]?\\)?\\) \"\\([^\"]+\\)\"[\n ]+\\([^*]*\\|\n\\) +\\*"
	    nil t)
      (nconc
       result
       (list
	(list (match-string 1)
	      (match-string 3)
	      (mapconcat (lambda (move)
			   (if (string-match
				(concat
				 "\\(" chess-algebraic-regexp "\\)")
				     move)
				    (match-string 1 move)
				  move))
			      (split-string (match-string 4) "[\n ]+") " ")))))
    (cdr result)))

(provide 'chess-opening)
;;; chess-openings.el ends here
