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- A10-A39 English Opening, A26 - 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 - English Opening: King's English Variation, Closed System, Full Symmetry, A26 - 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. e4 - English Opening: King's English Variation, Botvinnik System, A26 - 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4.... - English Opening, SÉRIE A
Biel Interzonal 1993 – Round 1 – Xu, Jun(SD) – 0-1 – Korchnoi, Viktor – G1

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- 6.Be2 a6, 7.O-O Nf6 8.Kh1, B20 - B99 - 1. e4 c5 - Sicilian Defense, B40 - B49 1. e4 c5 2. Nf3 e6 Sicilian defence, B47 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 - Sicilian Defense: Taimanov Variation, Bastrikov Variation, SÉRIE B 1.e4 2....
Biel Interzonal 1993 – Round 1 – Ye Lin, Jennifer – 1/2-1/2 – Polgar, Janos – G17

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- 13...Nc6 14.Nb3 a5, 15.Be3 a4 16.Nbd2 Bd7, 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, C99 - 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 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 - Ruy Lopez: Closed, Chigorin Defense, Panov System, SÉRIE C
Biel Interzonal 1993 – Round 10 – Akopian, Vladimir – 1/2-1/2 – Agdestein, Simen – G233

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- 4...Ba6 5.b3 Bb4+ — Main Line, 6.Bd2 Be7 7.Bg2 d5 8.cxd5 exd5 9.O-O O-O, E12-E19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 Queen's Indian defence, E15 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 - Queen's Indian Defense: Fianchetto Variation, SÉRIE E
Biel Interzonal 1993 – Round 10 – Epishin, Vladimir – 1/2-1/2 – Yudasin, Leonid – G224

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- 4...Ba6 5.b3 Bb4+ — Main Line, 6.Bd2 Be7 7.Bg2 d5 8.cxd5 exd5 9.O-O O-O, E12-E19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 Queen's Indian defence, E15 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 - Queen's Indian Defense: Fianchetto Variation, SÉRIE E
Biel Interzonal 1993 – Round 10 – Granda Zuniga, Julio E – 1/2-1/2 – Lobron, Eric – G227

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- (not 12.Nbd2), 10...c5 11.d4 Bb7, 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, C96 - 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 Na5 10. Bc2 - Ruy Lopez: Closed, Chigorin Defense, SÉRIE C
Biel Interzonal 1993 – Round 10 – Hjartarson, Johann – 1/2-1/2 – Nikolic, Predrag – G234

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