DE 5th Webserver Anniversary prel.

Baranowski,Tadeusz (2443) POL - Ugrinovsky,Aron (2179) UKR
DE 5th Webserver Anniversary prel. 50, 05.04.2011

D19: Obrona słowiańska: 5. a4 Gf5 6. e3 - główna linia z 9. He2
1.d4 d5 2.c4 c6 3.Sf3 Sf6 4.Sc3 dxc4 5.a4 Gf5 6.e3 e6 7.Gxc4 Gb4 8.0-0 0-0 9.He2 Sbd7 10.e4 Gg6 11.Gd3 Gh5 12.e5 Sd5 13.Sxd5 cxd5 14.He3 We8 15.Sg5 Sf8 DIAGRAM [15...Gg6 16.Gxg6 hxg6 17.Hh3= ]

16.Sxh7+/= [16.Hh3 Gg6 17.Gxg6 hxg6 18.Hb3 Hb6 19.Ge3 Wec8 20.Wfc1 Wc6 21.Wxc6 bxc6 22.h4 Ge7 1/2-1/2 Sadowski,M - Ciucurel,SM ws 2007;
  16.f4 h6 17.Sh3 f5 18.exf6 Hxf6 19.Sf2 Gd6 20.Gd2 Sg6 21.g3 Se7 22.g4 Gg6 23.Wae1 Sc6 24.g5 Hf7 25.gxh6 Gxd3 Demuth,A - Bukavshin,I Antalya 2009]

16...Sxh7 17.Gxh7+ Kxh7 18.Hh3 Wh8 [>=18...Kg6!? 19.g4 Gxg4 20.Hxg4+ Kh7+/= 21.Kh1 (21.Hh5+ Kg8 22.Kh1 Hc8 23.Wg1 Gf8 24.Wg4 g6 25.Hh3 Hc2 26.Wf4 Gg7 1/2-1/2 Buldra,J - Halouzka,J corr 1984) 21...Wh8 22.Gg5 Ge7 23.f4 g6 24.Wa3 Kg7 25.Wc3 Wh5 26.h4 Hd7 27.Kg2 Wah8 28.Hf3 Ellers,H - Sievers,S GERtt 2008]

19.Hxh5++/- Kg8 20.Hg4 Wh4 21.Hd1 Wc8 [21...Wh8 22.Ge3+/- ] 22.Ge3+- Hd7 [22...f6 23.g3 Wh8 24.He2+- ] 23.Hd3 Gf8 [23...Wc6 24.Wfc1+- ] 24.g3 Wh3 [24...Wh8 25.h4 Ge7 26.Wfc1+- ] 25.Hb5 Wc6 [25...He7 26.Wfc1 Wb8 27.Ha5+- ] 26.Wfc1 a6 [26...f6 27.exf6 gxf6 28.Wxc6 bxc6 29.He2+- ] 27.Hb3 f6 [27...b5 28.axb5 Wxc1+ 29.Gxc1 axb5 30.Gg5+- ] 28.Wxc6 bxc6 [28...Hxc6 29.Wc1 Hd7 30.Hb6 fxe5 31.dxe5+- ]

29.Hb6 fxe5 30.dxe5 [30.Hxa6?! exd4 31.Gxd4 Wh6+- ] 30...Wh5 [30...c5 31.Gxc5 Gxc5 32.Hxc5+- ] 31.f4 [31.Hxa6?! Wxe5 32.Hd3 Wf5+- ] 31...a5 [31...c5 32.Hxa6 d4 33.Gf2+- ] 32.Hxa5 d4 [32...Ge7 33.Hb6 Gd8 34.Hd4+- ]

33.Hd2 c5 [33...g5 34.Gxd4 Hd5 35.fxg5+- ] 34.a5 Ha7 35.Gf2 Ha6 [35...Ge7 36.b4! Kf7 37.bxc5 Gxc5+- ] 36.b4! Wf5 [36...cxb4 37.Hxd4 ; /\36...-- 37.bxc5 Gxc5 38.Gxd4 ] 37.b5! [37.b5 Hxb5 38.a6+- ] 1-0