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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.Nf3 d5 6.Bd3 c5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 dxc4 - Nimzo-Indian [+0.22], E59n - 10.Bxc4 Qc7 11.Bd3 e5 12.Qc2 Re8 - Main Line [+0.04], SÉRIE E
Candidats sf2 1977 – Round 10 – Portisch, Lajos – 1/2-1/2 – Spassky, Boris V. – G10
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- 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 O-O 8.c3 d6 9.h3 - Spanish [+0.34], C92g - 9…Nd7 10.d4 Bf6 11.a4 - Closed Karpov Variation [+0.66], SÉRIE C
Candidats sf2 1977 – Round 15 – Spassky, Boris V. – 1/2-1/2 – Portisch, Lajos – G14
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- 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 - QGD Tarrasch [+0.32], D34q - 8.O-O O-O 9.Bg5 c4 10.Ne5 Be6 11.Nxc6 [+0.14], SÉRIE D
Candidats sf2 1977 – Round 2 – Portisch, Lajos – 1/2-1/2 – Spassky, Boris V. – G2
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- 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 O-O 8.c3 d6 9.h3 Nb8 10.d4 - Spanish [+0.44], C95o - 10…Nbd7 11.Nbd2 Bb7 12.Bc2 Re8 13.Nf1 Bf8 14.Ng3 g6 15.a4 c5 16.d5 c4 - Closed Breyer Main Line [+0.58], SÉRIE C
Candidats sf2 1977 – Round 3 – Spassky, Boris V. – 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.Nf3 d5 6.Bd3 c5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 dxc4 - Nimzo-Indian [+0.22], E59n - 10.Bxc4 Qc7 11.Bd3 e5 12.Qc2 Re8 - Main Line [+0.04], SÉRIE E
Candidats sf2 1977 – Round 4 – Portisch, Lajos – 1/2-1/2 – Spassky, Boris V. – G4
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