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Wednesday, May 2, 2012

Sicilian Najdorf - 6 Bg5

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1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5

It is one of the most aggressive possiblities. He both gains the option of doubling the black pawns, and stops Black playing ...e5 since Black would therreby lose control overr d5 due to the pin on the h4-d8 diagonal. 6...e6 7.f4 Nc6 Now there are several options for White. The most common are Nxc6 , e5, Be2, Qd2. 8.Nxc6 Exchanging the knights is White's most significant reply. 8...bxc6 Diagram

9.e5 [9.Qf3 White is ready to advance d4-d5 to attack the Black Knight as well as the Black pawn on c6 which will fork the King and the rook. 9...Qb6 defended the vulnerable pawn on c6 and attacking the pawn on b2. At the same time controlling the g1 square. 10.0–0–0 Rb8 White Knight is ready to swing to a4 to attack the Queen and defend the b2 pawn. 11.b3 Nd7 12.Kb1 (12.Be2

White has intentions to play Rhf1 to form a battery followed by f5. 12...Qa5 13.Rhf1 d5 14.exd5 cxd5 15.f5 Ba3+ 16.Kb1 0–0 17.f6 gxf6 18.Bxf6 Nxf6 19.Qg3+ Kh8 20.Rxf6 Qd8 21.Rdf1 Rb7 22.Bd3 Rg8 23.Qe5 Bd6 24.Rh6+ f6 (24...Bxe5?? Its a Blunder in picking up a Queen. 25.Rxh7#) 25.Qh5 f5 26.Bxa6 Re7 27.Bxc8 ½–½ Gomez Garrido,C (2537)-Ruiz Sanchez,O (2411)/Panama City 2011 12...h6 13.Bh4 g5 14.Bg3 Qa5 15.Be1 Qa3 16.g3 a5 17.Bd2 Bg7 18.Bc1 Qc5 19.Bb2 0–0 20.h4 Nf6 21.hxg5 hxg5 22.e5 g4 23.exf6 1–0 Solodovnichenko,Y -Lagarde,M /Paris 2010] 9...h6 There are alternative moves that favours the Black. 10.Bh4 [10.exf6? Dia

10...hxg5 11.fxg5 gxf6 12.Qf3 d5 (12...fxg5 13.0–0–0 d5 14.Ne4 Bg7 15.Qe3 Qc7 16.Qxg5 Bxb2+ 17.Kxb2 Rb8+  18.Ka1 dxe4 19.Bc4 Rb4 20.Qg7 Rf8 21.Rd4 c5 22.Rxe4 Qa5 23.h4  13.0–0–0 fxg5 14.Bc4 g4 15.Qf2 Bg7 16.Bb3 Rb8 17.h3 Rb4 18.a3 Qb6 19.Qg3 Qb8 And white is lost 20.Qe1 Rf4 21.Kb1 gxh3 22.Qg3 Qe5 23.gxh3

23...Re4 24.Qf2 Re3 25.Rdf1 f5 26.h4 Rxc3 27.bxc3 Qxc3 28.Kc1 0–1 Hector,J (2485)-Oll,L (2510)/Debrecen 1989 ; 10.Bxf6 gxf6 11.exd6 Qxd6 12.Qxd6 Bxd6 13.g3

13...f5 (13...Bb4 14.Bg2 Bb7 15.0–0–0 Rd8 16.Na4 Ke7 17.a3 Rxd1+ 18.Rxd1 Bd6 19.Nb6 Rd8 20.Nc4 Bc7 21.b4 Rxd1+ 22.Kxd1 f5 23.a4 f6 24.Ne3 Bb6 25.Ke2 1–0 Sebastian,D (2185)-Luethke,H/Germany 1998/EXT 1999 (52)) 14.0–0–0 (14.Bg2 Diagram

14...Bd7 15.0–0–0 Ke7 16.Rd4 c5 17.Rd2 Rab8 18.Rhd1 Rb6 19.a4 a5 20.Nb5 Bxb5 21.axb5 Rd8 22.Bc6 Rbb8 23.c4 h5 24.Kc2 h4 25.Kb3 hxg3 26.hxg3 0–1 Herrera,M (2141)-Kiran,M (2261)/Puerto Madryn 2009) 15.Bxf4 (15.Qf3 dxe5 16.Bf2 Qa5+ 17.c3 Be7 18.0–0 g4 19.Nf6+ Bxf6 20.Qxc6+ Kf8 21.Qxa8 Kg7 22.Qe4 Qc7 23.Qe3 Bg5 24.Qg3 f5 25.Rad1 Nh5 0–1 Reutsky,S (2370)-Aveskulov,V (2471)/Pardubice 2006) 15...gxf4 16.Nxd6+ Bxd6 17.exd6 e5 18.Qf3 Rb8 19.Bc4 Qxb2 20.Qxc6+ Kf8 21.Rd1 Qc3+ 22.Kf1 Qxc2 23.Re1 Bb7 0–1 Atakisi,U (2394)-Kovchan,A (2518)/Kharkov 2006/EXT 2007; 14.Bf2 0–1 Narmontas,M (2370)-Yilmaz,M (2468)/Kemer 2009/EXT 2010 (60)) 13.Qh5 Be7 14.Bd3 Be6 15.0–0 Kd7 16.Bf5 Bxf5 17.exd6 Bg6 18.Qg4+ Kxd6 19.Bg3+ Kc5 20.Bf2+ Kd6 21.c4 Kc7 22.cxd5 Qxd5 23.Rad1 Qe6 24.Bg3+ Kc8 25.Qf4 Bd8 1–0 Nabaty,T (2514)-Relange,E (2473)/Ohrid 2009/CBM 133 (33)] 12...Qb6 13.Bd3 hxg5 14.Bxg5 [14.Bg3 Nf4 (14...dxe5 15.Bxe5 Rh6 16.Qf3 g4 17.Qxg4 f5 18.Nd6+ Bxd6 19.Qg8+ Kd7 20.Bxd6 Qe3+ 21.Kd1 Bb7 22.Bf8 Rxf8 23.Qxf8 Qg5 24.Qc5 Ne3+ 25.Kd2 Diagram 1–0 Roganovic,M (2475)-Hedman,E (2367)/Marianske Lazne 2009/CBM 128 Extra (40)) 14...Kd7 15.Na4 Kc7 16.Be2 h5 17.Rd3 h4 18.Rhd1 Be7 19.b3 a5 20.Bf3 hxg3 21.hxg3 Rh3 22.Bg2 Rh2 23.Bh1 0–1 Nguyen Anh Dung (2518)-Ashwin,J (2413)/Subic Bay 2009/CBM 130 Extra (60)] 10...g5 radically breaking the pin. 11.fxg5 [11.Bg3 Nd5 12.fxg5 (12.Nxd5 Diagram

12...cxd5 13.fxg5 (13.Bd3 Qb6 14.Qf3 Bg7 15.Bf2 Qb4+ 16.c3 Qxf4 17.Qxf4 gxf4 18.exd6 e5 19.0–0–0 Bg4 20.Bc2 Bxd1 21.Rxd1 Kd7 22.Rxd5 Rhd8 23.Be4 Rab8 24.Ra5 Ke6 25.Rxa6 Bf8 26.d7+ Bd6 27.c4 Kxd7 28.c5 Be7 29.Bf5+ Kc7 30.a3 Ra8 31.Rxh6 Rh8 32.Rxh8 Rxh8 33.h3 Rg8 34.Be4 f5 35.Bxf5 Rxg2 36.Be1 Bxc5 37.Be4 Re2 38.Ba5+ Bb6 39.Bxb6+ Kxb6 40.Bf3 Re3 41.Bg4 f3 42.Kd2 f2 43.Be2 Rxh3 44.Bf1 Rb3 0–1 Sanvoisin,C (1947)-Di Nicolantonio,L (2273)/Montlucon 2011/CBM 142 Extra) 13...hxg5 14.Qd4 Bg7 15.0–0–0 Qa5 16.a3 Rb8 17.Bd3 dxe5 18.Bxe5 Rh4 19.Qe3 Re4 20.Bxe4 Bxe5 21.Rxd5 exd5 22.Bf3 f6 23.Rd1 Be6 0–1 Joo,G (2184)-Barczay,L (2381)/Hungary 2005/EXT 2009) 12...hxg5 13.Bd3 Nxc3 14.bxc3 Bg7 15.Qf3 dxe5 16.Qxc6+ Bd7 17.Qd6 e4 18.Be5 f6 19.Bxe4 fxe5 20.Bg6# 1–0 Khruschiov,A (2434)-Martin del Campo,R (2421)/Dos Hermanas 2003/EXT 2004] 11...Nd5 12.Ne4 [12.Nxd5 exd5 (12...cxd5 13.Qh5 Qb6 14.Be2 Bg7 15.g6 0–0 16.Bf6 Ra7 17.Bxg7 Kxg7 18.gxf7 Raxf7 19.Qg4+ Kh8 20.0–0–0 Qe3+ 21.Kb1 Rg7 22.Qh5 dxe5 23.Rhf1 Diagram

23...Rgg8 24.h4 Bd7 25.Rxf8 Rxf8 26.Rd3 Be8 27.Rxe3

25...Nd5+ 26.Kd1 e5 27.c4 Ne3+ 28.Kd2 Nxc4+ 29.Kc3 Qd2+ 30.Kxc4 Rh4+ 31.Kb3 Qxd3+ 32.Qc3 Qb5+ 33.Kc2 Rc4 34.Rad1+ Ke6 35.h4 Rxc3+ 36.Kxc3 c5 37.h5 Qb4+ 38.Kd3 Be4+ 39.Ke2 Qc4+ 40.Ke1 Bxg2 41.Rh2 Qf1+ 42.Kd2 Qf4+

14...Qxb2 15.0–0 Qxe5 16.Bg3 Qd4+ 17.Kh1 f5 18.Nxg5 Be7 19.Nf3 Qg4 20.Qe1 Rb8 21.Ne5 Qg5 22.Nxc6 f4 23.Qe4 fxg3 24.Qg6+ Kd7 25.Nxb8+ Kc7 26.Qxg5 Rxh2+ 27.Kg1 Bxg5 28.Rf7+ Kxb8 29.c4 Be3+ 30.Kf1 Nc3 31.Ke1 Rh1+ 0–1 Snape,I (2250)-Matuszewski,M (2325)/Coulsdon 2011] 14...Qxb2 15.c4 Qxg2 16.Rf1 dxe5 17.Rb1 f5 18.Qa4 Ne7 19.Bxe7 Bxe7 20.Qxc6+ Kd8 21.Qxa8 Rh3 22.Be2 Qxe4 23.Qxe4 fxe4 24.Rg1 Rh7 25.Rg4 e3 26.Re4

26...Bh4+ 27.Kd1 Rd7+ 28.Kc2 Rd2+ 29.Kc3 Bg5 30.Rd1 Bf4 31.c5 Bd7 32.Rxd2 exd2 33.h4
1–0 Korneev,O (2638)-Sutovsky,E (2607)/Montreal 2006.

Opening Funda
Sicilian Najdorf: - 6 Bg5