ST-2009-0-00045, 05.03.2009
1.d4 Sf6 2.c4 e6 3.Sf3 b6 4.a3 Gb7 5.Sc3 d5 6.cxd5 Sxd5 7.Hc2 Sxc3 8.bxc3 Ge7 9.e4 0-0 10.Gd3 c5 11.0-0 Hc7 12.He2 Sd7 13.Gb2?! Wac8 14.Sd2!? Sf6
15.f4 [15.e5 Sd5 16.He4 g6 17.Hg4 cxd4 18.cxd4 Hd7 19.Se4 (19.Wae1 Sc3 ) 19...f5! 20.exf6 Sxf6 21.Sxf6+ Gxf6= /\22.Wae1 Gd5 23.h4 Hg7 ]
15...b5! [15...Wfd8 16.f5 exf5 17.Wxf5 c4 18.Gxc4 Gxe4 19.Gxf7+ Kxf7 20.Sxe4 Kg8 21.Sg5 Wd5 22.He6+ 1-0 Segal,AS - Goncaves,EB Sao Paulo 1995; 15...cxd4 16.cxd4 g6 17.g4 Sd7 18.Wac1 Hb8 19.Wxc8 Gxc8 20.e5 Gb7 21.f5 gxf5 22.gxf5 Kh8 23.Ge4 Wg8+ 24.Kh1 Ha8 25.f6 Ponomariov,R - Karjakin,S Tomsk 2006]
16.e5 [16.f5 c4 17.Gc2 e5 18.d5 a5 (18...Wfd8 19.Wfd1 a5 20.Kh1 Gd6 21.Gc1 He7 22.Sf1 Wd7 23.Se3 1/2-1/2 Pitkaenen,J - Van den Haak,GKP em 1999) 19.Kh1 h6 20.Wad1 Wa8 21.Wa1 Wfb8 22.Wfb1 Ga6 23.h3 Sd7 24.Sf3 Sc5 25.Gc1 f6 Ziese,G - Mooij,WJ ws 2007; 16.Wf3 g6 (16...Wfd8 17.Wh3 (17.Waf1 b4! 18.axb4 cxd4 19.cxd4 Gxb4 20.We3 a5 /\21.f5 exf5 22.Wxf5 Gc3! 23.Wc5 Gxb2 24.Wxc7 Wxc7 ) 17...h6 18.Wf1) 17.Kh1?! (17.Waf1 b4 18.axb4 cxd4 19.cxd4 Gxb4 /\ Gxd2 20.d5 Gc3! (20...exd5 21.e5 Hb6+ 22.Kh1 Wfe8 23.f5-> ) 21.Gxc3 Hxc3 22.Kh1 Hd4 ) 17...Sh5! 18.Waf1 c4! 19.Gc2 f5!=/+ 20.Gc1 Sf6 21.We3 Wce8 22.h3 Hd7 23.We1?! (>=23.Kg1 ) 23...Sh5 24.Wf1? (24.g3 Sf6 25.Kh2 ) 24...fxe4-/+ 25.Sxe4 Sxf4 Sokolov,I - Hracek,Z Calvia 2004 (25...Wxf4 ) ; 16.g4!? ; 16.Kh1 g6 17.Wae1 c4 18.Gc2 a5 19.Wf3 Sh5 20.He3 b4 21.g4 Sf6 22.Wg1 bxa3 23.Ga1 Wfe8 24.h4 Gf8 25.h5 Gg7 Jakovenko,D - Wojtaszek,R Pamplona 2006]
16...Sd5 [16...c4! 17.Gc2 Sd5 18.f5 f6!=/+ 19.fxe6 (19.Wae1 fxe5 20.Hxe5 (20.dxe5? Gc5+ 21.Kh1 Se3 ) 20...Gd6 21.Hxe6+ Kh8 22.Sf3 Sf6!-> ; 19.exf6 Wxf6 20.fxe6 Sf4 ) 19...fxe5 20.Hh5 g6 21.Gxg6 hxg6 22.Hxg6+ Kh8 23.Hh6+ Kg8 24.Hg6+ - 22 Hxg6; 1/2-1/2 Bubir,AN - Stalmach,K ws 2007]
17.f5! f6 [17...Gg5 18.f6 ] 18.fxe6 fxe5 19.Hh5 Wxf1+ 1/2-1/2
