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- 8.Rc1 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, D58p - 8...Bb7 (not 9.Bxf6, 9.cxd5), SÉRIE D
Candidats qf3 1980 – Round 10 – Portisch, Lajos – 1/2-1/2 – Spassky, Boris Vasily – G10

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- 6...Rb8 7.Qd2 b5, B20 - B99 - 1. e4 c5 - Sicilian Defense, B26 - 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4.... - Sicilian Defense, B26a - Closed, 6.Be3, B26j - Closed, 6.Be3 Rb8 7.Qd2 b5 8.Nge2, SÉRIE B 1.e4 2....
Candidats qf3 1980 – Round 11 – Spassky, Boris Vasily – 1/2-1/2 – Portisch, Lajos – G11

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- 6...h6 7.Bh4 b6 — Orthodox, D50-D69 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Queen's Gambit Declined, 4.Bg5, D54 - 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Rc1 - Queen's Gambit Declined: Neo-Orthodox Variation, D54d - 8.cxd5 Nxd5 9.Nxd5 exd5 10.Bxe7 Qxe7 (not 11.Be2), SÉRIE D
Candidats qf3 1980 – Round 2 – Portisch, Lajos – 1/2-1/2 – Spassky, Boris Vasily – G2

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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E59 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 - Nimzo-Indian Defense: Normal Variation, Bernstein Defense, SÉRIE E
Candidats qf3 1980 – Round 4 – Portisch, Lajos – 1/2-1/2 – Spassky, Boris Vasily – G4

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