[what is this?]

[what is this?]

Accelerated Dragon (B35) . 21 games, 1954-2007 Benoni Defense: General (A43) 1 game, 1995 Boris Avrukh 1 game, 2006 Four Knights Game: Spanish. Symmetrical Variatio 2 games, 1998-2008 King's Indian Defense: King's Knight Variation ( 2 games, 1993-1999 Maroczy Bind Breyer Variation (B39) 9 games, 1920-2007 Maroczy Bind Gurgenidze Variation (B36) 14 games, 1971-2006 Maroczy Bind, 6.Be3 (B38) 5 games, 1904-2005 Maroczy Bind, 6.Nc2 (B37) 1 game, 1989 Marshall 1 game, 2007 Morra Gambit . 6 games, 1862-2007 Queen's Gambit Declined: Albin Countergambit. 16 games, 1900-2008 Queen's Gambit Declined: Exchange. (D36) 2 games, 2001-2007 Queen's Indian Defense (E12) 2 games, 2002-2006 Semi-Slav 11 games, 1993-2008 Sicilian Defense: 2. f4 (B21) 3 games, 1977-2003 Slav Defense 1 game, 2008 Vienna Game 1 game, 2007 Wing Gambit. (B20) 3 games, 1930-1990