A: Mexican Defense: General I Sokolov vs V Petkov, 2013 (A50) Queen's Pawn Game, 42 moves, 1-0 A: Mexican Defense: General A R Saleh Salem vs D Hausrath, 2015 (A50) Queen's Pawn Game, 39 moves, 1-0 A: Mexican Defense: General Speelman vs G Orlov, 1994 (A50) Queen's Pawn Game, 42 moves, 1-0 B: Mexican Defense: General M W Brown vs G Orlov, 2017 (A50) Queen's Pawn Game, 37 moves, 1-0 4 games