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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, C88o - 7.Bb3 O-O 8.a4 Bb7 9.d3 d6 10.Nc3 - Closed, Anti-Marshall 8.a4 Bb7 9.d3 d6 10.Nc3 (1925), SÉRIE C
USR – Wereld 1984 – Round 1 – Chandler, Murray G – 1/2-1/2 – Tal, Mikhail – G9
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- B20-B99 1. e4 c5 - Sicilian Defense, B50-B59 Sicilian 1. e4 c5 2. Nf3 d6, B59 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 e5 7.Nb3 - Sicilian, B59n - 7…Be7 8.O-O O-O 9.Be3 a5 - Boleslavsky (1949), SÉRIE B 1.e4 2....
USR – Wereld 1984 – Round 1 – Ljubojevic, Ljubomir – 1/2-1/2 – Tukmakov, Vladimir B – G6
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- C90 - 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 - Spanish, 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, C90d - 9.a4 Bg4 - Closed (1902), SÉRIE C
USR – Wereld 1984 – Round 1 – Nunn, John D M – 1/2-1/2 – Romanishin, Oleg M – G7
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- E60-E99 1. d4 Nf6 2. c4 g6 King's Indian defence, E94 - 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O - King's Indian Defense: Orthodox Variation, E94y - 7…Nbd7 8.Be3 c6 9.d5 c5 - King’s Indian (1965), SÉRIE E
USR – Wereld 1984 – Round 1 – Tal, Mikhail – 1/2-1/2 – Nunn, John D M – 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, C92o - 9…Bb7 10.d4 Re8 11.Nbd2 Bf8 12.Bc2 - Closed, Zaitsev (1905), SÉRIE C
USR – Wereld 1984 – Round 1 – Timman, Jan H – 1/2-1/2 – Kasparov, Garry – G8
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- E12-E19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 Queen's Indian defence, E13 - 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb7 5.Bg5 h6 6.Bh4 Bb4 - Queen’s Indian, E13q - 7.e3 g5 8.Bg3 Ne4 9.Qc2 Bxc3+ 10.bxc3 d6 11.Bd3 f5 (1935), SÉRIE E
USR – Wereld 1984 – Round 1 – Vaganian, Rafael A – 1/2-1/2 – Ribli, Zoltan – G5
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