CR15th-board 9, 01.05.2004
D46: Obrona półsłowiańska: 5. e3 Sbd7 6. Gd3, czarne unikają Merana
1.Sf3 d5 2.d4 c6 3.c4 Sf6 4.Sc3 e6 5.e3 Sbd7 6.Hc2 Gd6 7.Ge2 0-0 8.0-0 dxc4 9.Gxc4 b5 10.Ge2 Gb7 11.Wd1 Hc7 12.e4!? e5 13.Gg5!?
13...exd4 [13...Wfe8 14.dxe5 Gxe5 15.Sxe5 Hxe5 16.Ge3 He7 (16...b4 17.Sa4 Hxe4 (17...c5 18.f3!? (18.Sxc5 ) 18...Wac8 19.Gf2 He7 20.a3 a5 21.Gb5 Gc6 22.Gxc6 Wxc6 23.axb4 Dorfman,JD - Trabert,B Saint Vincent 2000) 18.Hxe4 (18.Gd3 Hh4 19.Gf5 Se5 20.Wd4 Seg4 21.Gf4 Wad8 (21...Gc8 22.Gg3 Hg5 23.Gxc8 Shariyazdanov,A - Sedlak,N Subotica 2000) 22.Gg3 Hh5 23.Gxg4 Kracht,J - Hernaez Fernandez,C em 2001) 18...Wxe4 19.Gf3 (19.Wac1 ) 19...We6 20.Sc5 Sxc5 21.Gxc5 a5 22.a3 1/2-1/2 Kosyrev,V - Korotylev,A Moskva 2002) 17.f3 a6 18.Hd2 c5 19.Hd6 Wac8 20.Hxe7 Wxe7 21.Wd6 We6 22.Wad1 Gc6 23.Gf1 Sakalauskas,V - Fressinet,L Plovdiv 2003]
14.Wxd4 b4 [14...Wfe8 15.Wad1 Gc5 16.W4d2 b4 17.Sa4 Gxf2+ 18.Kxf2 Sxe4+ 19.Kf1 Sxd2+ 20.Hxd2 Sb6 21.Hxb4 Sd5 22.Hc5 Hc8 23.Ha5 h6 24.Gd2 Browne,WS - Sokolin,LM Denver 1998;
14...Se5 15.h3 Sxf3+ 16.Gxf3 He7 17.Wad1 Wad8 18.Ge3 a5 19.W4d3 Wd7 20.Gb6 b4 21.Sa4 Ga6 22.W3d2 Gb5 23.Sc5 He5 24.g3 Van Unen,H - Stankevicius,L em 2002]
15.Gxf6! [15.e5 Sxe5 16.Gxf6 bxc3 17.Wad1 (17.Sxe5 1/2-1/2 Dreev,A - Filippov,V Maikop 1998) 17...Sxf3+ 18.Gxf3 Wfe8 19.Hxc3 Gxh2+ 20.Kh1 Ge5 21.Gxe5 Hxe5 22.Hb3 c5 23.Wd7 Gxf3 24.Hxf7+ Kh8 Browne,WS - Shulman,Y San Francisco 2002]
15...Sxf6 [15...bxc3 16.Gg5 (16.Gxg7!+- ) 16...Se5 17.Hxc3 c5 18.Wd2 Sxf3+ 19.Hxf3 Gxh2+ 20.Kh1 Wfe8 21.Hh3 He5 22.Hh4 Gxe4 23.f4 He6 24.Hxh2 h6 25.Gh4 Bekker Jensen,D - Boehm,T Kiel 2000]
16.Sa4 ostatni ruch z książki 16...Ge7 [16...Wfe8 17.Wad1 Gf8 18.Gd3 c5 19.Wxb4 Wac8 20.Wxb7 Hxb7 21.e5 Sh5 22.Gxh7+ Kh8 23.Ge4 He7 24.g3 g6 25.Sc3 Gh6 26.Gxg6 1-0 Dydyshko,V - Miroshnichenko,E Swidnica 2000; 16...Wfe8 17.Wad1 Gf8 18.e5= ]
17.Wad1 Wad8 [17...c5 18.Wxb4 osłona: c5 18...Wfd8 19.Wc1+/= ] 18.Sc5 Wxd4 [18...Ga8 19.e5 Wxd4 20.Wxd4+/= (‹20.Sxd4 Hxe5 21.Sdb3 Wd8 22.Wxd8+ Gxd8=/+ ) ] 19.Wxd4 Gxc5 [19...Hb6 20.Sxb7 Hxb7 21.e5+/= ] 20.Hxc5 We8 21.Wxb4 [21.Hxa7 jest bez porównania gorsze 21...c5 22.Wc4 Sxe4-+ ; 21.Hxb4?! c5 22.Wc4 Sxe4= ] 21...a5 z groźbą: a5xb4 [21...Sxe4 22.Hxa7 Sd6 23.Gf1+/= ]
22.Hb6+/- z groźbą: Hb6xc7 22...Hc8 [22...He7 23.Wb3 (23.Hxb7? wygląda atrakcyjnie, ale 23...Hxb4 24.Hxc6 Hxb2-+ ; 23.Hxa5?! jest zdecydowanie gorsze 23...c5 24.Wb3 Gxe4+/= ) 23...a4 24.We3+/- (‹24.Hxb7 axb3 25.Hxb3 Sxe4-/+ ) ] 23.Wa4 [mniej polecane od 23.Hxb7 axb4 24.Hxb4 Sxe4-/+ ; 23.Hxa5?! c5 24.Wb3 Gxe4+/= ] 23...c5 e4 wydaje się być pionem o znaczeniu strategicznym [23...h6 24.Wxa5 Wxe4 25.Gd3+/- ]
24.Wxa5 Sd7 [24...Sxe4 25.Wa7 Gd5 26.Gb5+/- ] 25.Hb3 Wxe4 [25...Gxe4 26.Wa7+/- ] 26.Gc4 We7 [26...Se5 27.Sxe5 Wxe5 28.Wa7+/- (28.Gxf7+?! Kf8 29.Hc3 Wg5= ) ] 27.Wa7+- Gc6 [27...Sb8 28.Se5! osłona: b7 28...Kf8 29.Gf1+- (29.Sxf7?! Hc6 30.Hg3 We1+ 31.Gf1 Sd7+/- ) ] 28.Sd2 [28.a4 Hf8+- ] 28...He8 [28...g6 29.Sf1+/- ] 29.Wc7+- Sf6 30.Wxe7 Hxe7 31.Hb8+ Se8 32.Gf1 Kf8 [32...Hd6 33.Hxd6 Sxd6 34.Sc4+/- ] 33.Sb3+- Gd5 34.Hb5 [34.a4 He1 35.Hb5 Gxb3 36.Hxb3 Hb4+- ]
34...Sc7 [34...g6+/- ] 35.Hxc5 [35.Hb6!? Se6 36.a4 Gxb3 37.Hxb3+- ] 35...Hxc5+/= 36.Sxc5 Gxa2 37.f3 [37.b3 Ke7+/= ] 37...Ke7 38.Kf2 [38.b3 Gb1+/= ] 38...Kd6 z groźbą: Kd6xc5 39.Se4+ Ke5 40.Sc3 z groźbą: Sc3xa2 40...Gb3 41.Ke3 f5 [41...Sd5+ 42.Sxd5 Kxd5 43.Gd3+/= ] 42.f4++/- Kd6 [42...Kf6!?+/- ] 43.Sb5+ Sxb5 44.Gxb5 Kc5 [44...Ge6 45.Kd4+/- ] 45.Gd3+- g6 [45...Ge6!?+- ] 46.g3 Gf7 47.Ge2 Ge8 48.Kd3 Kd5(+) czas 1-0
