Illinois Chess Bulletin Julio - Agosto 2002 | Page 51

Chicago Open Games [Albert Chow] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 0-0 5.Bd3 d5 6.Nf3 c5 7.0-0 Nc6 8.a3 Bxc3 9.bxc3 Qc7 10.Bb2 dxc4 11.Bxc4 e5! 12.h3 Bf5 13.Ba2 Rad8 14.Qe2 Be4 15.Rfd1 h6 16.a4 Rfe8 17.dxc5!? Nb8! 18.Rxd8 Rxd8 19.Rd1 Rxd1+! 20.Qxd1 Na6! 21.Qd6 Bxf3! 22.gxf3 [The endgame after 22.Qxc7 Nxc7 23.gxf3 Nd7 24.c6 bxc6= should be about equal.] 22...Qxc5 23.Qd1 [Black need not fear 23.Qd8+ Qf8 24.Qxf8+ Kxf8 25.Ba3+ Ke8=; or 23.Ba3 Qxd6 24.Bxd6 Nd7=] 23...Qc8 [Also good seem 23...Qe7 ; or 23...Qc7 ] 24.Ba3!? [I was expecting 24.Kg2 Nc5=; Or 24.Qb3 ] 24...Qxc3! [The risky 24...Qxh3 25.Qd8+ Kh7 26.Bxf7 Qxf3 27.Be7 Qg4+ 28.Kf1 Qd7 29.Bxf6 Qxf7 30.Qd3+ Qg6 31.Qxg6+ Kxg6 32.Bxe5= seems to end up equal.] 25.Be7! Qc7 [In time pressure it was hard to evaluate the many alternatives for example: 25...Nb4 26.Qd8+ Kh7 27.Bb1+ e4 28.Qd1] 26.Bd6 [Also 26.Bxf6! gxf6 27.Qb1 Kg7 28.Qf5 with compensation.] 26...Qd7 27.Bb3 e4! Others include: [27...Qf5; 27...Qe8; 27...Qxh3 28.Bxe5] 28.Be5! Qxd1+ [Not 28...Qxh3? 29.Qd8+ Kh7 30.Bxf6 exf3 (30...gxf6 31.Bxf7+−) 31.Bc2++−; or 28...exf3 29.Qxf3; Best was 28...Nc5! ] 29.Bxd1 exf3 [29...Nc5] 30.Bxf3 Nc5 [30...b6; 30...Nd7] 31.a5 Nfd7 32.Bd6 b6 [32...g5; 32...f5] 33.axb6 axb6 34.Bc6 g6?! [Black should have gained more space with 34...g5 ; or 34...f5 ] 35.e4 f6 36.f4 Kf7 37.Bd5+ Ke8 38.Kf2 Nf8 [38...f5!?] 39.Ke3 Nfe6 40.Bc6+ Kf7 41.f5 gxf5 42.exf5 Nf8?! [After the game Onischuk pointed out the better 42...Ng7! 43.Bd5+ (43.Kf4? Nd3+ 44.Ke4 Nf2+-+ (44...Nc5+=) ) 43...Ke8 44.Bc6+ Kd8 45.Be4 Nxe4 46.Kxe4 h5] 43.Kd4 Ncd7 [43...Nfd7] 44.Bc7 Kg7 [44...Ke7] 45.Kd5 Ne5 46.Bxb6 [46.Bxe5 fxe5 47.Kxe5 Nh7=] 46...Nfd7?? [The last drawing chance was 46...Nh7 ] 47.Bxd7! Nxd7 48.Bd4! Kf7 49.Kd6! Nf8 [If 49...Nb8 50.Bc5!+−] 50.Be3!+− h5 [Or 50...Kg7 51.Ke7+−] 51.Bh6! Nh7 52.h4 Nf8 53.Bxf8 Kxf8 54.Ke6 Kg7 55.Ke7 and after defending for six hours and two time controls, black resigned. 1-0 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 0-0 5.Nf3 c6!? 6.Be2 d5 7.e5 Ne4 8.0-0 Nxc3 9.bxc3 dxc4 10.Bxc4 c5 11.Qe2 cxd4 12.cxd4 Bg4 13.Rd1 Nc6 14.Be3 Rc8 From the king's indian play has become more like the Grunfeld. 15.Rac1 Na5 16.Bd3 Qd5! 17.h3 Rxc1 18.Rxc1 Bxf3 19.gxf3 Qd7 20.Kg2 Nc6 21.Bb5 Rc8 22.Rc5 a6 23.Ba4 e6 24.Qc2 b5 25.Bb3 Bf8 26.d5 [Better was 26.Rc3 Bb4 27.Rd3] 26...Bxc5 27.dxc6 Qxc6 white resigns 0-1 (27) Ibragimov,I − Perelshteyn,E [E71] 11th Chicago Open Oak Brook, IL (6), 05.2002 [Albert Chow] 1.c4 Nf6 2.Nc3 g6 3.e4 d6 4.d4 Bg7 5.h3 0-0 6.Bg5 h6 7.Be3 e5 8.d5 Na6 9.Bd3 c6 10.Qd2 Kh7 11.g4! Nc5 12.Bc2 a5 13.Nge2 cxd5 14.cxd5 Bd7 15.a4! Ng8 [Better is 15...Ne8 ] 16.Nb5 Qb6 17.Nec3 Ne7 [Not 17...f5 18.gxf5 gxf5 19.exf5 Bxf5 20.Bxf5+ Rxf5 21.Qc2+−] 18.Rg1! Nc8 19.Bd3 Qd8 [Maybe it was time to trade with 19...Nxd3+ 20.Qxd3 Qd8] 20.Bc2 Qb6 [More solid was 20...b6 ] 21.h4! Na7 22.Bd3 Rfc8 23.h5! g5 24.f3 Bf6 25.Kf2 Bxb5 26.Bxb5 Qd8 27.Ra3 Nxb5 28.Nxb5 Qd7 29.Qe2 Bd8 30.Rc1 Bb6 31.Rc4 Kg7 32.Rac3 Kf6 33.Qc2 Ke7 34.Kg2 f6 (25) Hanken,J − Fishbein,A [E61] 11th Chicago Open Oak Brook, IL (2), 05.2002 [Albert Chow] 1.c4 Nf6 2.g3 g6 3.Bg2 Bg7 4.Nc3 0-0 5.e3 d6 6.Nge2 e5 7.0-0 c6 8.d4 [The English style 8.d3 was good.] 8...Re8 9.dxe5 dxe5 10.Qxd8 Rxd8 11.b3 Na6 12.Ba3 Bf8 13.Bxf8 Kxf8 14.Rad1 Bf5 Black is at least equal. 15.e4 Be6 16.h3 Nb4 17.f4 Rxd1 18.Rxd1 Nd7 19.Kf2 Ke7 20.Nd5+? cxd5 21.cxd5 Nxa2 22.dxe6 fxe6 23.Ke3 a5 24.f5 Nc5 25.fxg6 hxg6 26.Ra1 Nb4 27.Rb1 Rd8 28.Nc1 Rd1 29.Ke2 Rg1 30.Bf3 Rxg3 31.Kf2 Rxh3 32.Kg2 Rh4 33.Kg3 Rf4 34.Ne2 Nxe4+ white resigns. 0-1 35.Nxd6! Qxd6 36.Bxc5 Bxc5 37.Rxc5 Rxc5 38.Rxc5 Kd7 39.Qc4! Qb6 40.Rb5 Qc7 41.Rc5 Qb6 42.d6! Rf8 43.b3 Qb4 44.Qd5! black resigns. 1-0 (26) McLaughlin,J − Wojtkiewicz,A [E70] 11th Chicago Open Oak Brook, IL (2), 05.2002 [Albert Chow] Illinois Chess Bulletin 51