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- D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D83 - 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O - Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit, D83b - 6.Qb3 - Gruenfeld: Gruenfeld Gambit (1937), SÉRIE D
Leningrad ch-URS 1977 – Round 1 – Petrosian, Tigran V. – 1-0 – Grigorian, Kamo – G13
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- E12-E19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 Queen's Indian defence, E19 - 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 Nxc3 9.Qxc3 - Queen's Indian Defense: Classical Variation, Traditional Variation, Main Line, E19p - 12…Qe7 - Old Main Line (1968), SÉRIE E
Leningrad ch-URS 1977 – Round 1 – Petrosian, Tigran V. – 1/2-1/2 – Smyslov, Vassily – G14
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- E01-E09 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Catalan, closed, E05 - 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 - Catalan Opening: Open Defense, Classical Line, E05n - 10.Bg5 Bd5 - Open, Classical (1977), SÉRIE E
Leningrad ch-URS 1977 – Round 1 – Polugaevsky, Lev – 1/2-1/2 – Geller, Efim P – G4
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