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- 6...Nf6 7.Nc3 O-O, 8.Be2 d6 9.O-O Bd7 10.Qd2 Nxd4 11.Bxd4, B20 - B99 - 1. e4 c5 - Sicilian Defense, B30 - B39 1.e4 c5 2. Nf3 Nc6 Sicilian defence, B38 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 - Sicilian Defense: Accelerated Dragon, Maróczy Bind, B38 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.... - Sicilian Defense, SÉRIE B 1.e4 2....
Moscow 1981 – Round 1 – Gheorghiu, Florin – 1/2-1/2 – Smejkal, Jakub – G37

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- 8.Bd3 Bb7 — Tartakower, 9.O-O Nbd7 10.Rc1 c5, D50-D69 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Queen's Gambit Declined, 4.Bg5, D58 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 - Queen's Gambit Declined: Tartakower Defense, SÉRIE D
Moscow 1981 – Round 1 – Karpov, Aleksandr – 1-0 – Geller, Efim P – G10

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- 7...cxd4 8.exd4 Be7 — Main Line, 9.O-O O-O 10.a3 Bf6 — Main Line, D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D42 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bd3 - Queen's Gambit Declined: Semi-Tarrasch Defense, Main Line, SÉRIE D
Moscow 1981 – Round 1 – Karpov, Aleksandr – 1-0 – Timman, Jan H – G3

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