Geller vs Fischer, 1962  (B92) Sicilian, Najdorf, Opocensky Variation, 52 moves, 1/2-1/2 Tal vs Fischer, 1962  (B92) Sicilian, Najdorf, Opocensky Variation, 58 moves, 1/2-1/2 Unzicker vs Fischer, 1966  (B92) Sicilian, Najdorf, Opocensky Variation, 77 moves, 1/2-1/2 Mednis vs Fischer, 1971  (B92) Sicilian, Najdorf, Opocensky Variation, 38 moves, 0-1 4 games