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Sunday, June 3, 2012

Sicilian Najdorf : 10 Qg3

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1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7 9.0-0-0 Nbd7 






10.Qg3 [10.Be2 b5 11.Bxf6 Nxf6 12.e5 Bb7 13.exf6 Bxf3 14.Bxf3 Bxf6 15.Bxa8 d5Keres,P-Fischer,R/Candidates Tournament 1959 (1)/0-1] 10...h6 11.Bh4 g5 12.fxg5 Nh5 13.Qe3 Qc5 14.Kb1






[14.Qd2 Bxg5 15.Bxg5 Qxg5 16.Be2 Nhf6 17.Nf3 Qxd2+ 18.Rxd2 Ke7=] 14...hxg5 [14...Bxg5 15.Bxg5 hxg5 16.Qh3!?] 15.Bf2 Ne5 16.Qd2 Qc7 17.Nf3






 b5!? [17...Nf4? 18.Nxe5 dxe5 19.g3 Ng6 20.Be3 f6 21.h4 gxh4 22.gxh4± Beliavsky-Magerramov,80  Baku Beliavsky,A (2590)-Magerramov,E (2435)/Baku 1980 (9)/1-0; 17...g4 18.Nxe5 dxe5 19.Be2 Nf6 20.h3 gxh3 21.Rxh3 Rxh3 22.gxh3² Sax-Tatai,84  Graz Sax,G (2565)-Tatai,S (2490)/Graz 1984/1-0; 17...Nxf3 18.gxf3 Bd7 19.h4 gxh4 20.Be2 (20.Bxh4!? Ng3 21.Bxe7) 20...0-0-0 21.Bxh4ƒ Westerinen-Petursson,76  Reykjavik Westerinen,H-Petursson,M/Reykjavik 1976 (9)/1-0] 18.Nxg5 Bd7 19.Bd4 [19.a3!?] 19...b4 20.Bxe5 dxe5 21.Nd5! exd5 22.Qxd5 0-0! 23.Nxf7 






Rxf7! [23...Bc6 24.Qxe5²] 24.Qxa8+ Kg7 25.Qxa6 Bg4 26.Qc4! Qb6! 27.Be2 Be6 28.Qb5 Qxb5 29.Bxb5 Bc5÷ Lanka-Vitolinsh, USSR 1982 ÷