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- 10.Qc2 Rb8 11.b3 b5 12.Bb2 e5 — Main Line, 8...Na5 9.Nd2 a6 — Main Line, E60-E99 1. d4 Nf6 2. c4 g6 King's Indian defence, E66 - 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O c5 7. Nc3 Nc6 8. d5 - King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Advance Line, SÉRIE E
Alekhine Memorial 1971 – Round 10 – Stein, Leonid – 1/2-1/2 – Byrne, Robert E – G30

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- 10.d3 (not 10...Nbd7), 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, C94 - 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 - Ruy Lopez: Closed, Breyer Defense, SÉRIE C
Alekhine Memorial 1971 – Round 11 – Tal, Mikhail – 1/2-1/2 – Tukmakov, Vladimir B – G35

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- B20 - B99 - 1. e4 c5 - Sicilian Defense, B80-B85 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 Sicilian, Scheveningen variation, B87 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 - Sicilian Defense: Sozin Attack, Flank Variation, B87 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense, SÉRIE B 1.e4 2....
Alekhine Memorial 1971 – Round 12 – Bronstein, David I – 1/2-1/2 – Tal, Mikhail – G37

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- 7...c6 8.b3 b6, 9.Rd1 Bb7 10.Nc3 b5, E01-E09 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Catalan, closed, E08 - 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 - Catalan Opening: Closed, SÉRIE E
Alekhine Memorial 1971 – Round 12 – Korchnoi, Viktor – 1-0 – Spassky, Boris V. – G38

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- 8...O-O - 8…c5, D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D87 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 O-O Grünfeld Defense: Exchange Variation, Spassky Variation|, SÉRIE D
Alekhine Memorial 1971 – Round 13 – Spassky, Boris Vasily – 1/2-1/2 – Stein, Leonid – G39

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- A10-A39 English Opening, A12 - 1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 - Réti Opening: Anglo-Slav Variation, A12 - 1. c4 Nf6 2. g3 c6 3. Nf3 d5 4.... - Réti Opening, A12 - 1. Nf3 d5 2. c4 c6 3. b3 - Réti Opening: Anglo-Slav Variation, Bogoljubow Variation, SÉRIE A
Alekhine Memorial 1971 – Round 14 – Stein, Leonid – 1/2-1/2 – Tal, Mikhail – G40

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