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- 5...Ne4 6.cxd5 Nxg5, 7.Nxg5 e6 8.Nf3 exd5 9.e3, D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D91 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 - Grünfeld Defense: Three Knights Variation, Petrosian System, SÉRIE D
Manila Interzonal 1990 – Round 11 – Seirawan, Yasser – 1/2-1/2 – Ftacnik, Lubomir – G179

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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E54 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 - Nimzo-Indian Defense: Normal Variation, Gligoric System, Exchange Variation, SÉRIE E
Manila Interzonal 1990 – Round 11 – Tal, Mikhail – 0-1 – Ljubojevic, Ljubomir – G177

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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, B83 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 - Sicilian Defense: Scheveningen Variation, Classical Variation, B83 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense, SÉRIE B 1.e4 2....
Manila Interzonal 1990 – Round 12 – Dolmatov, Sergey – 1/2-1/2 – Sax, Gyula – G195

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- 7...cxd4 8.Nxd4 Nxd4 — Main Line, 9.Qxd4 d6 10.Qd3 a6 11.Bd2 Rb8 12.Rac1 — 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
Manila Interzonal 1990 – Round 12 – Ehlvest, Jaan – 1-0 – De Firmian, Nick – G205

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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E55 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 - Nimzo-Indian Defense: Normal Variation, Gligoric System, Bronstein Variation, SÉRIE E
Manila Interzonal 1990 – Round 12 – Gulko, Boris – 1-0 – Lobron, Eric – G193

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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 12 – Nikolic, Predrag – 1/2-1/2 – Georgiev, Kiril – G194

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