Second Piatigorsky Cup Round #1 Reshevsky vs Fischer, 1966  (E92) King's Indian, 42 moves, 1/2-1/2 Second Piatigorsky Cup Round #2 Fischer vs Portisch, 1966  (C95) Ruy Lopez, Closed, Breyer, 71 moves, 1/2-1/2 Second Piatigorsky Cup Round #3 Ivkov vs Fischer, 1966  (A49) King's Indian, Fianchetto without c4, 42 moves, 0-1 Second Piatigorsky Cup Round #4 Fischer vs J H Donner, 1966  (C89) Ruy Lopez, Marshall, 34 moves, 1/2-1/2 Second Piatigorsky Cup Round #5 Unzicker vs Fischer, 1966  (B92) Sicilian, Najdorf, Opocensky Variation, 77 moves, 1/2-1/2 Second Piatigorsky Cup Round #6 Fischer vs B Larsen, 1966  (C82) Ruy Lopez, Open, 30 moves, 0-1 Second Piatigorsky Cup Round #7 Najdorf vs Fischer, 1966  (E75) King's Indian, Averbakh, Main line, 31 moves, 1-0 Second Piatigorsky Cup Round #8 Spassky vs Fischer, 1966  (D86) Grunfeld, Exchange, 50 moves, 1-0 Second Piatigorsky Cup Round #9 Fischer vs Petrosian, 1966  (B48) Sicilian, Taimanov Variation, 40 moves, 1/2-1/2 Second Piatigorsky Cup Round #10 Fischer vs Reshevsky, 1966  (C92) Ruy Lopez, Closed, 38 moves, 1-0 Second Piatigorsky Cup Round #11 Portisch vs Fischer, 1966  (E45) Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation, 35 moves, 0-1 Second Piatigorsky Cup Round #12 Fischer vs Ivkov, 1966  (A07) King's Indian Attack, 29 moves, 1-0 Second Piatigorsky Cup Round #13 J H Donner vs Fischer, 1966  (E67) King's Indian, Fianchetto, 28 moves, 0-1 Second Piatigorsky Cup Round #14 Fischer vs Unzicker, 1966  (C83) Ruy Lopez, Open, 63 moves, 1/2-1/2 Second Piatigorsky Cup Round #15 B Larsen vs Fischer, 1966  (E75) King's Indian, Averbakh, Main line, 43 moves, 0-1 Second Piatigorsky Cup Round #16 Fischer vs Najdorf, 1966  (B44) Sicilian, 47 moves, 1-0 Second Piatigorsky Cup Round #17 Fischer vs Spassky, 1966  (C89) Ruy Lopez, Marshall, 35 moves, 1/2-1/2 Second Piatigorsky CupRound #18 Petrosian vs Fischer, 1966  (E62) King's Indian, Fianchetto, 28 moves, 1/2-1/2 18 games