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- D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D86 - 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 - Grünfeld Defense: Exchange Variation, Classical Variation (1966), D86h - 9.h4 - Classical Exchange, Simagin (1953), SÉRIE D
Moscow 1975 – Round 1 – Petrosian, Tigran V – 1-0 – Stean, Michael F – G25
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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, B83 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 - Sicilian, B83j - 10…* - Scheveningen, Modern, SÉRIE B 1.e4 2....
Moscow 1975 – Round 1 – Spassky, Boris V. – 1-0 – Beliavsky, Alexander G – G31
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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, B84 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 - Sicilian (1925), B84c - 7.f4 - Scheveningen, Classical (1934), SÉRIE B 1.e4 2....
Moscow 1975 – Round 1 – Spassky, Boris V. – 1/2-1/2 – Garcia Martinez, Silvino – G32
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- C80-C89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 & C84-C89 C84 5. O-O Be7 Ruy Lopez, closed defence, C87 - 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 - Spanish, C87d - 9.Nxd4 - Closed, Averbakh (1903), SÉRIE C
Moscow 1975 – Round 1 – Spassky, Boris V. – 1/2-1/2 – Kholmov, Ratmir D – G41
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