SM-2010-0-00139, 15.01.2011
A89: Obrona holenderska: system leningradzki z 5. Sf3 0-0 6. 0-0 d6 7. Sc3 Sc6
1.d4 f5 2.Sf3 d6 3.b3 Sf6 4.g3 g6 5.Gg2 Gg7 6.Gb2 0-0 7.0-0 Se4 8.c4 Sc6 9.Sc3 e5 10.dxe5 Sxc3 11.Gxc3 dxe5 12.Hd5+ Kh8 13.Hxd8 Wxd8 14.Sg5 We8
15.Gxc6 [15.Gd5 h6 16.Gxc6 bxc6 17.Sf3 c5 18.Wad1 e4 19.Gxg7+ Kxg7 20.Se1 Ge6 21.Sc2 a5 22.Sa3 a4 23.Sb5 We7 24.Wa1 Wb8 Oberrauch,M - Galyas,M Herculane 1994;
15.Wad1 e4 16.Gxg7+ Kxg7 17.Sh3 (17.f3 exf3 18.exf3 h6 19.Sh3 Ge6 20.f4 Sd8 21.Sf2 Wb8 22.Sd3 Kf6 23.Wfe1 b6 24.Se5 a5 Demuth,KH - Noetzel,F GERtt 1987) 17...Se5 18.f3 exf3 19.exf3 Sf7 20.Wfe1 Ge6 21.Sf4 Kf6 22.Sd3 Wad8 23.f4 Gc8 24.Wxe8 1/2-1/2 Brown,AM - Talsma,PA ENGtt 2009]
15...bxc6 16.Wad1 [16.Wfd1 Kg8 (16...e4 17.Gxg7+ Kxg7 18.f4 h6 19.Sh3 a5 20.Kf2 a4 21.Ke3 Ge6 22.Kd4 Wa5 23.b4 c5+ 24.bxc5 Wd8+ 25.Kc3 Wxd1 Cramling,P - Logdahl,H Stockholm 2000) 17.Sf3 f4 18.gxf4 exf4 19.Gxg7 Kxg7 20.Sd4 Kf6 21.Wd2 We5 22.f3 Gh3 23.Kf2 Wd8 24.Wad1 Wg5 25.e4 Wg2+ Cramling,D - Ivarsson,S SWEtt 2004]
16...Gf6 [16...Kg8 17.Ga5 Gf6 18.Sf3 We7 19.Wd8+ Kf7 20.Wfd1 e4 21.Se1 We6 22.W8d2 Ge5 23.f4 Gd6 24.Sc2 Gb7 25.Kf1 We7 26.Se3 Holmsten,A - Keskinen,S Tampere 1999;
16...e4 17.Ga5 Gf6 18.h4 (18.Sh3 g5 19.f3 c5 20.Gxc7 exf3 21.exf3 Gb7 22.Wde1 g4 23.fxg4 Gd4+ 24.Sf2 fxg4 25.Ga5 a6 26.Wxe8+ Muzyka,NA - Nikitin,P corr 1997) 18...h6 19.Sh3 g5 20.Gxc7 gxh4 21.Wd6 Kg7 22.Sf4 Kf7 23.Wxc6 Gb7 24.Wd6 Wac8 25.Wd7+ We7 26.Wxe7+ Tadic,B - Scekic,M Jahorina 2001;
16...a5 17.Wd8 Wxd8 18.Sf7+ Kg8 19.Sxd8 Wa6 20.Wd1 Gf6 (20...e4 21.Gd2 Kf8 22.Gf4 Ke8 23.c5 Gf8 24.Gxc7 Gxc5 25.Gd6 Gxd6 26.Wxd6 Flesch,J - Matulovic,M Budapest 1964) 21.f4 Kf8 22.Gxe5 Ge7 (22...Gxe5 23.fxe5 Ke7 24.Kf2 c5 25.Wd5 Wb6 26.h4 Panno,O - Rollansky,R Buenos Aires 1965) 23.Gxc7 Ke8 24.a4 c5 25.Wd3 Wa7 26.Gb6 Jakab,A - Hoang Thanh Trang Budapest 2001;
16...h6 17.Sf7+ Kg8 18.Sd8 a5 (18...c5 19.Sc6 Gb7 20.Sa5 Ga6 21.Wd5 Gf8 22.Wxe5 Gd6 23.Wxe8+ Wxe8 24.e3 g5 25.We1 g4 26.Wd1 Parkkinen,J - Pessi,J Tampere 1989) 19.Sxc6 a4 20.Wd2 axb3 21.axb3 Wa3 22.Wb1 Gb7 23.Se7+ Kf7 24.Wd7 Ke6 25.Wxc7 Ge4 26.Wd1 Maly,A - Pogosian,V St Petersburg 2003]
17.f4 Kg7 18.e3 [18.Wd2 h6 19.Sf3 exf4 20.Gxf6+ Kxf6 21.gxf4 g5 22.Se5 gxf4 23.Sd3 Wg8+ 24.Kf2 a5 25.Sxf4 a4 26.b4 Wg4 27.Wd4 a3 Bonoev,P - Rustemov,A Vladivostok 1994]
18...a5 19.Sf3 e4 to posunięcie umożliwiło zdobycie przestrzeni 20.Gxf6+ Kxf6 21.Sd4 białe grożą zdobyciem materiału: Sd4xc6 [21.Se5 Wa6= ] 21...Wa6 22.Wd2 [22.h3 Ge6= ] 22...Wd8 23.Wfd1 Ge6 24.Kf2 a4 25.b4 a3 26.Sxe6 Wxd2+ 27.Wxd2 Kxe6 28.c5 białe zdobywają więcej przestrzeni 28...Wa8 29.Kf1 1/2-1/2
