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- A10-A39 English Opening, A30 - 1.c4 c5 - Symmetrical Variation, A30y - 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 d6 9.Rd1 a6 10.b3 Nbd7 11.e4 - Symmetrical, Hedgehog, Flexible Formation (1982), SÉRIE A
4. M-Tel Masters 2008 – Round 8 – Bu, Xiangzhi – 1/2-1/2 – Ivanchuk, Vasyl – G23
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- D20-D29 1. d4 d5 2. c4 dxc4 Queen's gambit accepted, D23 - 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 - Queen's Gambit Accepted, D23p - 4.Qa4+ c6 5.Qxc4 Bf5 6.g3 e6 7.Bg2 Nbd7 8.O-O Be7 9.Nc3 O-O - Mannheim, Main Line (1964), SÉRIE D
4. M-Tel Masters 2008 – Round 9 – Bu, Xiangzhi – 1-0 – Topalov, Veselin – G26
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