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- 8.O-O-O h6, B20 - B99 - 1. e4 c5 - Sicilian Defense, B60-B69 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Sicilian, Richter-Rauzer, B66 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense, B66a - Richter-Rauzer, 7…a6, B66l - Richter-Rauzer, 7…a6 8.O-O-O h6 9.Be3 Bd7 10.f3, SÉRIE B 1.e4 2....
PCA Qualifiers 1993 – Round 2 – Dolmatov, Sergey – 1/2-1/2 – Tukmakov, Vladimir B – G33

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- 6.Be2 Bg7, B20 - B99 - 1. e4 c5 - Sicilian Defense, B70-B79 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 Sicilian, dragon variation, B70a - Dragon, B70k - 6...Bg7 (not 7.O-O), SÉRIE B 1.e4 2....
PCA Qualifiers 1993 – Round 2 – Hjartarson, Johann – 1/2-1/2 – Topalov, Veselin – G32

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- 6.e4 b5 — Main Line, D43-D49 Queen's Gambit Declined semi-Slav1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6, D44a - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 - Semi-Slav Defense Accepted, D44k - 7.e5 h6 8.Bh4 g5 9.Nxg5 hxg5 10.Bxg5 Nbd7 11.g3 (not 11...Bb7, 11...Qa5), SÉRIE D
PCA Qualifiers 1993 – Round 2 – Kamsky, Gata – 1/2-1/2 – Serper, Grigory – G23

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- 6.e3 Nc6 — Main Line, D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D41 - 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. d4 e6 - Queen's Gambit Declined: Semi-Tarrasch Defense, D41s - 7.Bc4 cxd4 8.exd4 Be7 9.O-O O-O, SÉRIE D
PCA Qualifiers 1993 – Round 2 – Korchnoi, Viktor – 1/2-1/2 – Oll, Lembit – G19

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- 6.e4 b5 — Main Line, D43-D49 Queen's Gambit Declined semi-Slav1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6, D44a - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 - Semi-Slav Defense Accepted, D44l - 7.e5 h6 8.Bh4 g5 9.Nxg5 hxg5 10.Bxg5 Nbd7 11.g3 Qa5, SÉRIE D
PCA Qualifiers 1993 – Round 2 – Lobron, Eric – 1/2-1/2 – Illescas Cordoba, Miguel – G24

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