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- 6.Bb5 Bd6 — Main Line, 7.O-O Ne7 8.dxc5 Bxc5 9.Nb3 Bd6 10.Re1 O-O 11.Bg5 Bg4 — Main Line, C00-C19 1. e4 e6 French defence, C09 - 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 - French Defense: Tarrasch Variation, Open System, Main Line, SÉRIE C
World Cup 1989 – Round 1 – Huebner, Robert – 1/2-1/2 – Vaganian, Rafael A – G69

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- 4...Ba6 5.b3 Bb4+ — Main Line, 6.Bd2 Be7 7.Bg2 c6 8.Bc3 d5 9.Ne5 Nfd7 — Main Line, E12-E19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 Queen's Indian defence, E15 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 - Queen's Indian Defense: Fianchetto Variation, SÉRIE E
World Cup 1989 – Round 1 – Karpov, Aleksandr – 1-0 – Portisch, Lajos – G25

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- (not 9.O-O), 8.Bd3 Bb7 — Tartakower, 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
World Cup 1989 – Round 1 – Karpov, Aleksandr – 1/2-1/2 – Short, Nigel D – G12

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