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- B20-B99 1. e4 c5 - Sicilian Defense, B40-B49 1. e4 c5 2. Nf3 e6 Sicilian defence, B46 - 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 a6 - Sicilian Defense: Taimanov Variation, B46o - 6.Be2 Nge7 - Taimanov (1963), SÉRIE B 1.e4 2....
Buenos Aires 1980 – Round 1 – Balashov, Yuri S – 1-0 – Olafsson, Fridrik – G21
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- B10-B19 1. e4 c6 Caro-Kann defence, B13 - 1.e4 c6 2.d4 d5 3.exd5 - Caro-Kann Defense: Exchange Variation, B13u - 3…cxd5 4.c4 Nf6 5.Nc3 Nc6 6.Nf3 Bg4 7.cxd5 Nxd5 8.Qb3 Bxf3 9.gxf3 e6 - Panov-Botvinnik: Main Line (1947), SÉRIE B 1.e4 2....
Buenos Aires 1980 – Round 1 – Balashov, Yuri S – 1/2-1/2 – Hort, Vlastimil – G24
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- D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D42 - 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bd3 - QGD, D42m - 7…cxd4 8.exd4 Be7 9.O-O O-O 10.Re1 Nf6 11.a3 - Semi-Tarrasch (1963), SÉRIE D
Buenos Aires 1980 – Round 1 – Balashov, Yuri S – 1/2-1/2 – Panno, Oscar – G22
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- B20-B99 1. e4 c5 - Sicilian Defense, B60-B69 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Sicilian, Richter-Rauzer, B64 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 Be7 8.O-O-O O-O 9.f4 - Sicilian Defense: Richter-Rauzer Variation, Classical Variation, B64e - 9…h6 10.Bh4 Bd7 - Richter-Rauzer (1979), SÉRIE B 1.e4 2....
Buenos Aires 1980 – Round 1 – Karpov, Anatoly – 0-1 – Timman, Jan H – G19
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- B20-B99 1. e4 c5 - Sicilian Defense, B25 - 1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 - Sicilian Defense: Closed, B25u - 6.f4 e6 7.Nf3 Nge7 8.O-O O-O 9.Be3 Nd4 10.Rb1 - Closed (1956), SÉRIE B 1.e4 2....
Buenos Aires 1980 – Round 1 – Karpov, Anatoly – 1-0 – Quinteros, Miguel Angel – G17
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- B20-B99 1. e4 c5 - Sicilian Defense, B40-B49 1. e4 c5 2. Nf3 e6 Sicilian defence, B42 - 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 - Sicilian Defense: Kan Variation, Modern Variation, B42b - 5…g6 - Kan Variation, Swiss Cheese Variation (1961), SÉRIE B 1.e4 2....
Buenos Aires 1980 – Round 1 – Kavalek, Lubomir – 1-0 – Olafsson, Fridrik – G20
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- D50-D69 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Queen's Gambit Declined, 4.Bg5, D51 - 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 - Queen's Gambit Declined: Modern Variation, Knight Defense, D51d - 5.Nf3 c6 - QGD (1907), SÉRIE D
Buenos Aires 1980 – Round 1 – Kavalek, Lubomir – 1/2-1/2 – Ljubojevic, Ljubomir – G8
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