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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
Manila Interzonal 1990 – Round 8 – Lputian, Smbat – 1/2-1/2 – Portisch, Lajos – G133

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- 8.Be2 Bb7 — Tartakower, 9.Bxf6 Bxf6 10.cxd5 exd5 11.O-O, 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
Manila Interzonal 1990 – Round 8 – Nikolic, Predrag – 1-0 – Short, Nigel D – G134

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- A10-A39 English Opening, A26 - 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 - English Opening: King's English Variation, Closed System, Full Symmetry, A26 - 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. e4 - English Opening: King's English Variation, Botvinnik System, A26 - 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4.... - English Opening, SÉRIE A
Manila Interzonal 1990 – Round 8 – Vaganian, Rafael A – 0-1 – Lautier, Joel – G144

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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, B82 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 - Sicilian Defense: Scheveningen Variation, Matanovic Attack, B82 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense, SÉRIE B 1.e4 2....
Manila Interzonal 1990 – Round 9 – De Firmian, Nick – 1-0 – Yudasin, Leonid – G156

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- B20 - B99 - 1. e4 c5 - Sicilian Defense, B70-B79 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 Sicilian, dragon variation, B72 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 - Sicilian Defense: Dragon Variation, SÉRIE B 1.e4 2....
Manila Interzonal 1990 – Round 9 – Dolmatov, Sergey – 1-0 – Ljubojevic, Ljubomir – G157

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- A10-A39 English Opening, A17 - 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 c5 5. e3 e6 - English Opening: Anglo-Indian Defense, A17 - 1. c4 Nf6 2. Nc3 e6 - English Opening: Anglo-Indian Defense, Hedgehog System, SÉRIE A
Manila Interzonal 1990 – Round 9 – Georgiev, Kiril – 1/2-1/2 – Anand, Viswanathan – G161

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- 7...c5 8.Rb1 O-O — Exchange, 9.Be2 cxd4 10.cxd4 Qa5+ 11.Bd2 Qxa2 12.O-O Bg4 13.Bg5, D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D85 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 - Grünfeld Defense: Exchange Variation, Modern Exchange Variation, D85 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5- Grünfeld Defense, SÉRIE D
Manila Interzonal 1990 – Round 9 – Gurevich, Mikhail – 1/2-1/2 – Ivanchuk, Vasyl – G153

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- 5.Bg5 h6 — Main Line, 6.Bxf6 Qxf6 7.e3 Nd7 (not 8.Bd3), D43 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 - Semi-Slav Defense, D43-D49 Queen's Gambit Declined semi-Slav1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6, SÉRIE D
Manila Interzonal 1990 – Round 9 – Korchnoi, Viktor – 1/2-1/2 – Dreev, Aleksey – G145

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