r1 R Hernandez Onna vs Velimirovic, 1971 (A77) Benoni, Classical, 9...Re8, 10.Nd2, 31 moves, 0-1 r2 I Bilek vs G Tringov, 1971 (A07) King's Indian Attack, 39 moves, 1/2-1/2 r1 G Tringov vs Letelier, 1971  (B90) Sicilian, Najdorf, 23 moves, 1-0 r4 A Hennings vs G Tringov, 1971 (B46) Sicilian, Taimanov Variation, 17 moves, 1/2-1/2 r5 G Tringov vs L Barczay, 1971 (B93) Sicilian, Najdorf, 6.f4, 39 moves, 1-0 r6 Velimirovic vs G Tringov, 1971 (B09) Pirc, Austrian Attack, 36 moves, 1-0 r7 Letelier vs Velimirovic, 1971 (A56) Benoni Defense, 56 moves, 0-1 r8 C Fernandez Bravo vs J H Donner, 1971  (A58) Benko Gambit, 29 moves, 0-1 r9 G Tringov vs Parma, 1971 (C91) Ruy Lopez, Closed, 21 moves, 1/2-1/2 r10 R Hernandez Onna vs G Tringov, 1971 (A56) Benoni Defense, 41 moves, 0-1 r11 G Tringov vs J Rodriguez Gonzalez, 1971  (B03) Alekhine's Defense, 22 moves, 1-0 r12 Hort vs L Barczay, 1971 (D47) Queen's Gambit Declined Semi-Slav, 24 moves, 1-0 r13 G Tringov vs Gipslis, 1971 (B04) Alekhine's Defense, Modern, 36 moves, 1/2-1/2 r14 E Cobo Arteaga vs Velimirovic, 1971 (A56) Benoni Defense, 45 moves, 1-0 r15 G Tringov vs O Troianescu, 1971 (B56) Sicilian, 42 moves, 1-0 Geller vs C Fernandez Bravo, 1971 (A15) English, 28 moves, 1-0 r12 O Troianescu vs Velimirovic, 1971 (B23) Sicilian, Closed, 84 moves, 1/2-1/2 r15 Velimirovic vs Parma, 1971 (C95) Ruy Lopez, Closed, Breyer, 17 moves, 1/2-1/2 r8 E Cobo Arteaga vs G Tringov, 1971 (E98) King's Indian, Orthodox, Taimanov, 9.Ne1, 21 moves, 1/2-1/2 r14 C Fernandez Bravo vs G Tringov, 1971 (A64) Benoni, Fianchetto, 11...Re8, 31 moves, 0-1 r12 J H Donner vs G Tringov, 1971 (E73) King's Indian, 23 moves, 1/2-1/2 r11 L Barczay vs Velimirovic, 1971  (A05) Reti Opening, 31 moves, 1-0 22 games