Turniej klasyfikacyjny - LSS

Baranowski,Tadeusz (2286) POL - Sidenko,Anatoly Viktorovich (2220) RUS
SM-2011-0-00158, 06.06.2011

D43: Obrona półsłowiańska: 5. Gg5 h6
1.d4 Sf6 2.c4 e6 3.Sf3 d5 4.Sc3 c6 5.Gg5 h6 6.Gxf6 Hxf6 7.e3 Gb4 8.Gd3 Sd7 9.0-0 He7 DIAGRAM

10.Hc2 [10.Wc1 0-0 11.a3 Gd6 12.c5 Gc7 13.e4 dxe4 14.Gxe4 e5 15.Gb1 (15.d5 Sxc5 16.dxc6 Wd8 17.Sd5 Hd6 18.Sxc7 Hxc7 19.Wxc5 Wxd1 Kortschnoj,V - Robatsch,K Havana 1963) 15...exd4 16.We1 Hxc5 17.Hd3 g6 18.Ga2 Se5 19.Sxe5 Gxe5 Savchenko,S - Landa,K Kazan 1995;
  10.cxd5 exd5 11.e4 dxe4 12.Sxe4 0-0 13.Hb3 Sb6 14.a3 Gd6 15.Gc2 1/2-1/2 Ivkov,B - Averbakh,YL Palma de Mallorca 1972;
  10.e4 dxc4 11.Gxc4 e5 12.dxe5 b5 13.Gxb5 Gb7 14.Gc4 0-0 15.Hb3 Gc8 16.Gxf7+ 1-0 Del Prado Montoro,C - Rodriguez Vargas,O Madrid 1992;
  10.a3 Gxc3 11.bxc3 0-0 12.e4 (12.cxd5 exd5 13.a4 Wd8 14.a5 Sf8 15.Ha4 Gd7 16.Wfb1 Wab8 17.Ha3 Hxa3 18.Wxa3 c5 19.Wa2 Wdc8 Geller,EP - Keres,P Petropolis 1973) 12...Wd8 13.Hb3 b6 14.Wfe1 Wb8 ....Becker,J - Beijar,HJ corr 1994]

10...0-0 11.a3 [11.Wad1 a6 12.a3 Gxc3 13.Hxc3 dxc4 14.Gxc4 b5 15.Ge2 c5 16.dxc5 Sxc5 17.Wc1 Sa4 18.Ha5 Gb7 19.Hc7 1/2-1/2 Ligterink,G - Kuijf,M Hilversum 1987;
  11.e4 dxc4 12.Gxc4 e5 13.a3 Ga5 14.d5 b5 15.dxc6 bxc4 16.Sd5 He6 17.cxd7 Gxd7 18.Hxc4 Wfc8 19.He2 Wc6 20.b4 Gd8 Maiwald,JU - Dobosz,H Cattolica 1992]

fot: Anatoly Viktorovich Sidenko

11...Gxc3 [11...Gd6 12.Wfe1 dxc4 13.Gxc4 b5 14.Ga2 Gb7 15.e4 e5 16.d5 Wac8 17.He2 a6 18.Wac1 Sb6 19.dxc6 Gxc6 20.Sd2 b4 21.axb4 Girya,O - Pustovoitova,D St Petersburg 2011]

12.bxc3 dxc4 13.Gxc4 b6 [13...c5 14.d5 Sb6 15.Hd3 Sxc4 16.Hxc4 exd5 17.Hxd5 Wd8 18.Hc4 Ge6 19.He4 Hc7 20.Wfd1 Gb3 21.Wd3 Wxd3 22.Hxd3 Wd8 23.Hb5 Jenicek,E - Kasik,M Klatovy 2000]

14.a4 Gb7 15.a5 c5 16.He2 Wab8 [16...cxd4 17.cxd4 Wac8 18.Ga6 Gxa6 19.Hxa6 Wc7 20.axb6 axb6 21.Wfc1 Wxc1+ 22.Wxc1 Hb4 23.Hc4 Hxc4 24.Wxc4 Sf6 25.Kf1 Wb8 1/2-1/2 Kaufmann,M - Teboul,R em 2004;
  16...e5 17.Wfd1 (17.a6 Gxf3 18.Hxf3 cxd4 19.cxd4 exd4 20.exd4 Wac8 21.Wac1 Sf6 22.Hb3 Wc7 23.Wc2 Wfc8 24.Wfc1 Kh8 25.h3 Se8 26.Gd3 Pachta,P - Kulovana,E Cartak 2005) 17...exd4 18.cxd4 cxd4 19.exd4 Hxe2 (19...Hd6 20.d5 bxa5 21.Wxa5 Sb6 22.Ga6 Wfe8 23.Hb5 Gxd5 24.Wxd5 Sxd5 25.Hxd5 Hxd5 26.Wxd5 Tahkavuori,T - Pihlajasalo,A Helsinki 1996) 20.Gxe2 Gd5 21.Se5 Sxe5 22.dxe5 Ge6 23.Gf3 Wad8 24.Wdb1 bxa5 25.Wxa5 Wd7 26.h3 Straka,J - Kriebel,T CZEtt 2011]

17.axb6 [17.Gb5 cxd4 18.cxd4 bxa5 19.Gxd7 Gxf3 20.Hxf3 Hxd7 21.Wxa5 Wb5+/= ] 17...axb6 18.Gb5 cenna bierka [18.Wa7 cxd4 19.exd4 b5 20.Gxb5 Gxf3 21.gxf3 Hg5+ 22.Kh1 Hxb5 23.Hxb5 Wxb5 24.Wxd7 Wc8= ] 18...Wa8 19.h3 [19.Ga6 Gc6= ] 19...Wxa1= 20.Wxa1 Wa8 21.Wxa8+ Gxa8 22.Se1 Sf6 23.Ha2 Hd8 24.Ha3 Ge4 25.f3 białe grożą zdobyciem materiału: f3xe4 25...Gg6 26.Hb2 [gorsze 26.dxc5 Hd2 27.cxb6 Hxe3+ (27...Hxe1+? wygląda niezwykle atrakcyjnie, ale 28.Kh2 Hxe3 29.Hd6+- ) 28.Kf1 Hxb6-/+ ] 26...h5 27.Gd3  1/2-1/2  Tabela