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- 4.e3 (not 4...Bg7), A10-A39 English Opening, A35 - 1. c4 c5 2. Nc3 Nc6 - English Opening: Symmetrical Variation, Two Knights Variation, A35 - 1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 - English Opening: Symmetrical Variation, Four Knights Variation, SÉRIE A
ch-Wereld Teams 1989 – Round 1 – Speelman, Jon S – 1-0 – Xu, Jun(SD) – G75

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- 6...e6 7.Bxc4 Bb4, 8.O-O O-O 9.Nh4 Nbd7, D10-D19 1. d4 d5 2. c4 c6 Queen's Gambit Slav defence, D18 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 - Slav Defense: Czech Variation, Classical System, SÉRIE D
ch-Wereld Teams 1989 – Round 1 – Speelman, Jon S – 1/2-1/2 – Nikolic, Predrag – G11

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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
ch-Wereld Teams 1989 – Round 1 – Timman, Jan H – 1/2-1/2 – Short, Nigel D – G32

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- 6...Bb4 7.O-O O-O — Main Line, 8.e4 dxc4 9.Bxc4 e5, D43-D49 Queen's Gambit Declined semi-Slav1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6, D46 - 5. e3 Nbd7 6. Bd3 - Semi-Slav Defense: Main Line (not 6.... dxc4), SÉRIE D
ch-Wereld Teams 1989 – Round 1 – Vaganian, Rafael A – 1-0 – Abdel Megid, Mahmoud – G76

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- 4...O-O 5.a3 Bxc3+, 6.Qxc3 b6 7.Bg5 Bb7 8.f3 h6 9.Bh4, E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E32 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 - Nimzo-Indian Defense: Classical Variation, SÉRIE E
ch-Wereld Teams 1989 – Round 1 – Vaganian, Rafael A – 1-0 – Xu, Jun(SD) – G22

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- 7.Nb3 Ne5, A10-A39 English Opening, A33 - 1. c4 e6 2. Nf3 Nf6 3. Nc3 c5 4. d4 Nc6 5. g3 cxd4 6. Nxd4 Qb6 - English Opening: Symmetrical Variation, Anti-Benoni Variation, Geller Variation, A33 - 1. c4 e6 2. Nf3 Nf6 3. Nc3 c5 4.... - English Opening, SÉRIE A
ch-Wereld Teams 1989 – Round 1 – Vaganian, Rafael A – 1/2-1/2 – Horvath, Jozsef – G1

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- A50 - A59 1. d4 Nf6 2. c4, A54 - 1. d4 Nf6 2. c4 d6 3. Nc3 e5 - Old Indian Defense: Ukrainian Variation, A54 - 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. e3 Nbd7 5. Bd3 - Old Indian Defense: Duz-Khotimirsky Variation, SÉRIE A
ch-Wereld Teams 1989 – Round 1 – Vera Gonzalez-Quevedo, Reynaldo – 0-1 – Hodgson, Julian M – G12

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