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- 8.Nc3 Nc6, D70-D79 1. d4 Nf6 2. c4 g6 3. f3 d5 Neo-Gruenfeld defence, D76a - 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d5 6. cxd5 Nxd5 7. O-O Nb6 - Neo-Grünfeld Defense: Delayed Exchange Variation, D76f - 9.e3 e5 10.d5 Na5, SÉRIE D
World Cup 1989 – Round 1 – Vaganian, Rafael A – 1/2-1/2 – Kasparov, Garry – G79

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- 8.Bd3 Bb7 — Tartakower, D50-D69 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Queen's Gambit Declined, 4.Bg5, D58a - 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, D58i - 9.O-O Nbd7 10.Qe2 (not 10...c5), SÉRIE D
World Cup 1989 – Round 1 – Vaganian, Rafael A – 1/2-1/2 – Spassky, Boris Vasily – G76

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- B20 - B99 - 1. e4 c5 - Sicilian Defense, B80-B85 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 Sicilian, Scheveningen variation, B84 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 - Sicilian Defense: Scheveningen Variation, Classical Variation, B84 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Nbd7 - Sicilian Defense: Najdorf Variation, Scheveningen Variation, B84 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense, SÉRIE B 1.e4 2....
World Cup 1989 – Round 1 – Van der Wiel, John T.H. – 1-0 – Ehlvest, Jaan – G51

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- B20 - B99 - 1. e4 c5 - Sicilian Defense, B90-B99 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 Sicilian, Najdorf, B97 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense, B97a - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 - Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation, SÉRIE B 1.e4 2....
World Cup 1989 – Round 1 – Van der Wiel, John T.H. – 1-0 – Portisch, Lajos – G39

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- C90-C99 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 Ruy Lopez, closed, C92a - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 - Ruy Lopez: Closed, C92j - 9...Bb7 10.d4 (not 10...Re8), SÉRIE C
World Cup 1989 – Round 1 – Van der Wiel, John T.H. – 1/2-1/2 – Karpov, Aleksandr – G64

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