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- 3...Nc6 4.O-O Bd7, 5.Re1 Nf6 6.c3 a6 7.Bf1, B20 - B99 - 1. e4 c5 - Sicilian Defense, B50-B59 Sicilian 1. e4 c5 2. Nf3 d6, B51 - 1. e4 c5 2. Nf3 d6 3. Bb5+ - Sicilian Defense: Moscow Variation, SÉRIE B 1.e4 2....
Leningrad ch-URS 1977 – Round 1 – Dorfman, Iossif – 1/2-1/2 – Polugaevsky, Lev – G20

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- A10-A39 English Opening, A17 - 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 c5 5. e3 e6 - English Opening: Anglo-Indian Defense, A17 - 1. c4 Nf6 2. Nc3 e6 - English Opening: Anglo-Indian Defense, Hedgehog System, SÉRIE A
Leningrad ch-URS 1977 – Round 1 – Gulko, Boris – 1/2-1/2 – Tal, Mikhail – G3

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- (not 8.Rxd1), 7.dxc5 Qxd1, D20-D29 1. d4 d5 2. c4 dxc4 Queen's gambit accepted, D27 - 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 - Queen's Gambit Accepted: Classical Defense, Main Line, SÉRIE D
Leningrad ch-URS 1977 – Round 1 – Kochyev, Alexander – 1/2-1/2 – Petrosian, Tigran A. – G32

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- 6.g3 - Fianchetto Variation, B20 - B99 - 1. e4 c5 - Sicilian Defense, B80 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 - Sicilian Defense: Scheveningen Variation, B80 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense, B80-B85 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 Sicilian, Scheveningen variation, SÉRIE B 1.e4 2....
Leningrad ch-URS 1977 – Round 1 – Kuzmin, Gennadiy – 0-1 – Tal, Mikhail – G23

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- B20 - B99 - 1. e4 c5 - Sicilian Defense, B80-B85 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 Sicilian, Scheveningen variation, B87 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 - Sicilian Defense: Sozin Attack, Flank Variation, B87 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense, SÉRIE B 1.e4 2....
Leningrad ch-URS 1977 – Round 1 – Kuzmin, Gennadiy – 1/2-1/2 – Polugaevsky, Lev – G21

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