match_format_tf_duel
Each match category has a name format variable associated with it. This variable is called match_format_<category>. For example, there is match_format_duel, match_format_2on2, etc, etc. All these variables can contain macro's that are expanded according to the macro list given below. You can also use the "match_format_macrolist" command inside the client to display a list of the macros and their meaning.
This pattern will be used in following situation: (gamedir = "fortress", 2 players)
See 'match_format_macrolist' command and Match tools manual for more info.