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- 7...Ne4 8.Bd2 (not 8...Bf6, 8...d5, 8...f5), E12-E19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 Queen's Indian defence, E18 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 - Queen's Indian Defense: Classical Variation, Traditional Variation, SÉRIE E
Moscow 1981 – Round 1 – Polugaevsky, Lev – 1/2-1/2 – Karpov, Anatoly – G15

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- 4...Bb7 5.Bd3 c5, 6.O-O Be7 7.b3 O-O 8.Bb2 cxd4 9.exd4 d5, E12-E19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 Queen's Indian defence, E14 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 - Queen's Indian Defense: Spassky System, SÉRIE E
Moscow 1981 – Round 1 – Portisch, Lajos – 1/2-1/2 – Petrosian, Tigran A. – G13

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- 5.Bf4 O-O, 6.e3 c5 7.dxc5 Bxc5 8.cxd5, D30-D39 1. d4 d5 2. c4 e6 Queen's gambit declined, D37 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 - Queen's Gambit Declined: Three Knights Variation, D37 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 - Queen's Gambit Declined: Barmen Variation, SÉRIE D
Moscow 1981 – Round 1 – Smyslov, Vladimir – 1-0 – Beliavsky, Alexander G – G6

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- 7...cxd4 8.Nxd4 Nxd4 — Main Line, 9.Qxd4 d6 10.Qd3 Bf5 — Main Line, A10-A39 English Opening, A39 - 1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d4 - English Opening: Symmetrical Variation, Mecking Variation, SÉRIE A
Moscow 1981 – Round 1 – Smyslov, Vladimir – 1-0 – Timman, Jan H – G21

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