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- B20-B99 1. e4 c5 - Sicilian Defense, B50-B59 Sicilian 1. e4 c5 2. Nf3 d6, B57 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 - Sicilian [+0.28], B57k - 6…Qb6 7.Nb3 e6 8.Be3 - Sozin Benko [+0.22], SÉRIE B 1.e4 2....
Alekhine Memorial 1971 – Round 1 – Gheorghiu, Florin – 0-1 – Stein, Leonid – G12
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- C80-C89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 & C84-C89 C84 5. O-O Be7 Ruy Lopez, closed defence, C88 - 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 - Spanish [+0.31], C88d - 7.Bb3 d6 8.c3 Bg4 - Closed [+0.61], SÉRIE C
Alekhine Memorial 1971 – Round 1 – Karpov, Anatoly – 1/2-1/2 – Spassky, Boris V. – G19
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- B20-B99 1. e4 c5 - Sicilian Defense, B50-B59 Sicilian 1. e4 c5 2. Nf3 d6, B57 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 - Sicilian [+0.28], B57o - 6…Qb6 7.Nb3 e6 8.O-O Be7 9.Be3 - Sozin Benko [+0.23], SÉRIE B 1.e4 2....
Alekhine Memorial 1971 – Round 1 – Olafsson, Fridrik – 1/2-1/2 – Stein, Leonid – G16
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- C60-C69 1. e4 e5 2. Nf3 Nc6 3. Bb5 Ruy Lopez (Spanish), C67 - 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 - Spanish [+0.32], C67k - 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6 8.dxe5 Nb7 9.Nd4 - Open Berlin Winawer Attack [+0.39], SÉRIE C
Alekhine Memorial 1971 – Round 1 – Parma, Bruno – 0-1 – Smyslov, Vassily – G21
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- D20-D29 1. d4 d5 2. c4 dxc4 Queen's gambit accepted, D27 - 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 - QGA [+0.29], D27w - 7.a4 Nc6 8.Qe2 cxd4 9.Rd1 Be7 10.exd4 O-O 11.Nc3 Nd5 - Classical Rubinstein [+0.38], SÉRIE D
Alekhine Memorial 1971 – Round 1 – Petrosian, Tigran V – 1-0 – Spassky, Boris V. – G8
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- C60-C69 1. e4 e5 2. Nf3 Nc6 3. Bb5 Ruy Lopez (Spanish), C69 - 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 - Spanish [-0.12], C69d - 6.d4 Bg4 7.c3 Bd6 - Exchange Gligoric [+0.21], SÉRIE C
Alekhine Memorial 1971 – Round 1 – Savon, Vladimir Andreevichndreevich – 1/2-1/2 – Stein, Leonid – G18
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- D43 - 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 - Semi-Slav [+0.27], D43-D49 Queen's Gambit Declined semi-Slav1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6, D43q - 5.Bg5 h6 6.Bxf6 Qxf6 7.Qb3 - Moscow Hastings Variation [+0.12], SÉRIE D
Alekhine Memorial 1971 – Round 1 – Smyslov, Vassily – 1-0 – Petrosian, Tigran V – G7
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