E Cobo Arteaga vs Antoshin, 1968 (D94) Grunfeld, 37 moves, 0-1 Antoshin vs J H Donner, 1968 (D37) Queen's Gambit Declined, 44 moves, 1/2-1/2 O'Kelly vs Antoshin, 1968 (C99) Ruy Lopez, Closed, Chigorin, 12...cd, 22 moves, 1/2-1/2 E Cobo Arteaga vs Kholmov, 1968 (E12) Queen's Indian, 36 moves, 0-1 Antoshin vs M Damjanovic, 1968  (E12) Queen's Indian, 40 moves, 1-0 Kholmov vs Antoshin, 1968 (C41) Philidor Defense, 31 moves, 1-0 S Garcia Martinez vs Antoshin, 1968 (C82) Ruy Lopez, Open, 30 moves, 1-0 Antoshin vs P Ostojic, 1968 (E12) Queen's Indian, 42 moves, 1-0 Antoshin vs E Jimenez Zerquera, 1968 (E55) Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation, 36 moves, 1/2-1/2 J Rodriguez Gonzalez vs Antoshin, 1968 (A13) English, 41 moves, 0-1 Antoshin vs D Drimer, 1968 (A52) Budapest Gambit, 31 moves, 1/2-1/2 J Diaz vs Antoshin, 1968 (B88) Sicilian, Fischer-Sozin Attack, 49 moves, 0-1 Antoshin vs L Zinn, 1968 (D27) Queen's Gambit Accepted, Classical, 36 moves, 1/2-1/2 D Drimer vs Kholmov, 1968 (C41) Philidor Defense, 54 moves, 1/2-1/2 Kholmov vs S Garcia Martinez, 1968 (C41) Philidor Defense, 72 moves, 1-0 O'Kelly vs Stein, 1968  (B27) Sicilian, 29 moves, 0-1 O'Kelly vs P Ostojic, 1968 (A10) English, 40 moves, 0-1 Kholmov vs O'Kelly, 1968  (B90) Sicilian, Najdorf, 31 moves, 1-0 J Rodriguez Gonzalez vs Kholmov, 1968 (A90) Dutch, 37 moves, 0-1 19 games