r1 M Bosboom vs Tukmakov, 1991 (A07) King's Indian Attack, 44 moves, 1/2-1/2 r2 Tukmakov vs V Frias Pablaza, 1991  (E74) King's Indian, Averbakh, 6...c5, 29 moves, 1-0 r3 Nijboer vs Tukmakov, 1991 (C78) Ruy Lopez, 37 moves, 1/2-1/2 r4 Tukmakov vs R Kuijf, 1991 (D44) Queen's Gambit Declined Semi-Slav, 64 moves, 1/2-1/2 r5 G Barbero vs Van der Sterren, 1991 (A13) English, 51 moves, 0-1 r6 M Martens vs Nijboer, 1991 (B08) Pirc, Classical, 45 moves, 0-1 r7 Van der Sterren vs Tukmakov, 1991 (A90) Dutch, 36 moves, 0-1 r8 M Bosboom vs R Kuijf, 1991 (A13) English, 62 moves, 0-1 r9 R Cifuentes vs M Bosboom, 1991 (A42) Modern Defense, Averbakh System, 31 moves, 1-0 r10 M Martens vs Van der Sterren, 1991 (C91) Ruy Lopez, Closed, 28 moves, 1/2-1/2 r11 G Barbero vs V Frias Pablaza, 1991 (A62) Benoni, Fianchetto Variation, 21 moves, 1/2-1/2 r2 G Barbero vs R Kuijf, 1991 (A06) Reti Opening, 62 moves, 1-0 r7 G Barbero vs L Winants, 1991 (E32) Nimzo-Indian, Classical, 89 moves, 1-0 r14 Tukmakov vs G Barbero, 1991 (E73) King's Indian, 26 moves, 0-1 r5 R Cifuentes vs Tukmakov, 1991 (A04) Reti Opening, 70 moves, 1-0 r4 A Romero Holmes vs G Barbero, 1991  (B56) Sicilian, 33 moves, 1-0 r1 Nijboer vs G Barbero, 1991 (C75) Ruy Lopez, Modern Steinitz Defense, 53 moves, 1-0 r9 G Barbero vs M Martens, 1991 (A46) Queen's Pawn Game, 40 moves, 1-0 r11 Van der Sterren vs M Bosboom, 1991 (A04) Reti Opening, 12 moves, 0-1 r10 M Bosboom vs G Barbero, 1991 (C02) French, Advance, 61 moves, 0-1 r1 R Kuijf vs R Cifuentes, 1991 (D02) Queen's Pawn Game, 21 moves, 1/2-1/2 r3 R Cifuentes vs G Barbero, 1991 (A87) Dutch, Leningrad, Main Variation, 39 moves, 1-0 r10 B Finegold vs Tukmakov, 1991  (C01) French, Exchange, 17 moves, 1/2-1/2 r8 A Romero Holmes vs Tukmakov, 1991 (B80) Sicilian, Scheveningen, 26 moves, 1-0 r8 B Finegold vs G Barbero, 1991 (E92) King's Indian, 41 moves, 1/2-1/2 r8 M Martens vs R Cifuentes, 1991 (B30) Sicilian, 67 moves, 1/2-1/2 r11 Tukmakov vs M Martens, 1991 (E00) Queen's Pawn Game, 36 moves, 1-0 27 games