Benko vs G Sigurjonsson, 1970  (D30) Queen's Gambit Declined, 22 moves, 1-0 Karpov vs A Bisguier, 1970  (C65) Ruy Lopez, Berlin Defense, 84 moves, 1/2-1/2 Kavalek vs Barcza, 1970 (B17) Caro-Kann, Steinitz Variation, 34 moves, 1/2-1/2 O'Kelly vs M Cuellar Gacharna, 1970 (E94) King's Indian, Orthodox, 42 moves, 1-0 Panno vs Parma, 1970 (A36) English, 23 moves, 1/2-1/2 O Yepez Obando vs Stein, 1970 (E82) King's Indian, Samisch, double Fianchetto Variation, 54 moves, 0-1 Barcza vs Karpov, 1970  (A37) English, Symmetrical, 34 moves, 0-1 G Sigurjonsson vs V Ciocaltea, 1970 (B21) Sicilian, 2.f4 and 2.d4, 23 moves, 1-0 Stein vs N Caro, 1970 (C95) Ruy Lopez, Closed, Breyer, 36 moves, 1-0 Karpov vs Parma, 1970  (E32) Nimzo-Indian, Classical, 66 moves, 1-0 Kavalek vs Benko, 1970 (B33) Sicilian, 43 moves, 1-0 Panno vs O'Kelly, 1970 (A14) English, 58 moves, 1-0 12 games