first draw in official tournament Conroy vs Mac Hack VI, 1967  (C58) Two Knights, 34 moves, 1/2-1/2 first tournament win Mac Hack VI vs B Landey, 1967  (B20) Sicilian, 21 moves, 1-0 first to win against IM under tournament conditions Chess vs D Levy, 1978  (C40) King's Knight Opening, 55 moves, 1-0 First to beat IM in tournament play, win state championship J Sentef vs Cray Blitz, 1981  (A16) English, 55 moves, 0-1 Beats IM in final game for state championship E Formanek vs Hitech, 1988 (C80) Ruy Lopez, Open, 59 moves, 0-1 First to beat GM in tournament play Larsen vs Deep Thought, 1988  (A20) English, 43 moves, 0-1 Larsen's revenge for 1988 Larsen vs Deep Blue, 1993  (C49) Four Knights, 43 moves, 1-0 machine beats strongest female player Deep Blue vs J Polgar, 1993  (B47) Sicilian, Taimanov (Bastrikov) Variation, 73 moves, 1-0 first time to beat world champion (rapid) Kasparov vs Chess Genius, 1994  (D11) Queen's Gambit Declined Slav, 60 moves, 0-1 9 games