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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 sf2 1977 – Round 10 – Portisch, Lajos – 1/2-1/2 – Spassky, Boris Vasily – G10

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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
Candidats sf2 1977 – Round 12 – Portisch, Lajos – 1/2-1/2 – Spassky, Boris Vasily – G11

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- 6.f4 e5, B20 - B99 - 1. e4 c5 - Sicilian Defense, B25 - 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 - Sicilian Defense: Closed, B25 - 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5 - Sicilian Defense: Closed, Botvinnik Defense, with f4, B25 - 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4.... - Sicilian Defense, SÉRIE B 1.e4 2....
Candidats sf2 1977 – Round 13 – Spassky, Boris V. – 1-0 – Portisch, Lajos – G12

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- 11.a4, 9...Nd7 10.d4 Bf6, 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, C92 - 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, SÉRIE C
Candidats sf2 1977 – Round 15 – Spassky, Boris Vasily – 1/2-1/2 – Portisch, Lajos – G14

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- 8.O-O O-O — Main Line, 9.Bg5 c4 10.Ne5 Be6 11.Nxc6, D30-D39 1. d4 d5 2. c4 e6 Queen's gambit declined, D34 - 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 - Tarrasch Defense: Prague Variation, Main Line, SÉRIE D
Candidats sf2 1977 – Round 2 – Portisch, Lajos – 1/2-1/2 – Spassky, Boris Vasily – G2

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- 10...Nbd7 11.Nbd2 Bb7 — Main Line, 12.Bc2 Re8 13.Nf1 Bf8 14.Ng3 g6 15.a4 c5 16.d5 c4 — Main Line, 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, C95 - 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 Nb8 10. d4 - Ruy Lopez: Closed, Breyer, SÉRIE C
Candidats sf2 1977 – Round 3 – Spassky, Boris Vasily – 0-1 – Portisch, Lajos – G3

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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 sf2 1977 – Round 4 – Portisch, Lajos – 1/2-1/2 – Spassky, Boris Vasily – G4

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