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- D50-D69 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Queen's Gambit Declined, 4.Bg5, D58 - 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 b6 - QGD [+0.13], D58j - 8.Bd3 Bb7 9.O-O Nbd7 10.Qe2 c5 11.Rfd1 - Tartakower [-0.05], SÉRIE D
Leningrad ch-URS 1977 – Round 1 – Petrosian, Tigran V. – 1/2-1/2 – Geller, Efim P – G9
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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 [+0.21], E19p - 9…c5 10.Rd1 d6 11.b3 Bf6 12.Bb2 Qe7 - Old Main Line [+0.27], 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 [+0.36], E05n - 6.O-O O-O 7.Qc2 a6 8.a4 Bd7 9.Qxc4 Bc6 10.Bg5 Bd5 - Open Classical [+0.19], SÉRIE E
Leningrad ch-URS 1977 – Round 1 – Polugaevsky, Lev – 1/2-1/2 – Geller, Efim P – G4
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