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- 7.e3 Bxc3+ — Main Line, 8.bxc3 e5 9.f3 — Main Line, E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E31 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6 - Nimzo-Indian Defense: Leningrad Variation, Benoni Defense, SÉRIE E
Moscow 1975 – Round 1 – Bohm, Hans – 0-1 – Spassky, Boris V. – G20

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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, B85 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. Be3 Be7 9. f4 d6 10. Qe1 O-O - Sicilian Defense: Scheveningen Variation, Classical Main Line, B85 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense, SÉRIE B 1.e4 2....
Moscow 1975 – Round 1 – Byrne, Ray – 1/2-1/2 – Stean, Michael F – G28

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- 6...Bd6 7.Qc2 O-O — Main Line, 8.O-O dxc4 9.Bxc4 e5 — Main Line, D43-D49 Queen's Gambit Declined semi-Slav1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6, D46 - 5. e3 Nbd7 6. Bd3 - Semi-Slav Defense: Main Line (not 6.... dxc4), SÉRIE D
Moscow 1975 – Round 1 – Forintos, Gyozo V – 0-1 – Korchnoi, Viktor – G10

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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
Moscow 1975 – Round 1 – Forintos, Gyozo V – 1/2-1/2 – Spassky, Boris Vasily – G9

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- A80-A99 1. d4 f5 Dutch, A92 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O - Dutch Defense: Classical Variation, A92 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O Ne4 - Dutch Defense: Alekhine Variation, A92 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4.... - Dutch Defense, SÉRIE A
Moscow 1975 – Round 1 – Garcia Martinez, Silvino – 1/2-1/2 – Byrne, Ray – G15

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