Ol 18 prel - sec 1(ws) board 4, 10.09.2009
Armando Alexis Perez-Perez
1.d4 Sf6 2.c4 e6 3.Sf3 b6 4.g3 Ga6 5.b3 Gb4+ 6.Gd2 Ge7 7.Gg2 c6 8.Gc3 d5 9.Se5 Sfd7 10.Sxd7 Sxd7 11.Sd2 0-0 12.0-0 Wc8 13.e4 c5 14.exd5 exd5 15.dxc5 dxc4 16.c6 cxb3 17.We1 b2 18.Gxb2 Sc5 19.Ga3 Gf6 20.Wc1
20...Gg5 [20...Gb5 21.Gxc5 1/2-1/2 Bendana Guerrero,G - Guskov,VV ws 2007 (21.Se4 Gxc6 22.Hxd8 Wfxd8 23.Sxf6+ gxf6 24.Gxc5 Gxg2 (24...bxc5 25.Wxc5 Gd7 26.Wa5 Wc7 27.f4 Wb8 28.We2 Gg4 29.Wd2 Wb1+ 30.Kf2 Sheehan,MJ - Parrilla,A em 2007) 25.Gxb6 Wxc1 26.Wxc1 axb6 27.Kxg2 Wd2 28.a3 Wa2 29.Wb1 Wxa3 30.Wxb6 Lindsalu,I - Lambert,A lss 2006; 21.Sb3 Sd3 22.Gxf8 Kxf8 23.Gh3 Wc7 24.Gd7 Sxe1 25.Hxe1 a5 26.Hd2 Gg5 27.Hd6+ Ge7 28.Hd5 Ga4 29.He4 Gxb3 30.Hxh7 Gunina,V - Gomes,MA Kemer/Antalya 2007) 21...bxc5 22.Wxc5 1/2-1/2 Forsberg,JO - Bandza,A corr 1997 22...Hb6 23.Se4 Wxc6 (23...Ge7 24.We5 Gb4 25.Sf6+ gxf6 26.Hg4+ Kh8 27.Wh5 Wxc6 28.Hf5 Gd3 29.Ge4 Hxf2+ 30.Kxf2 COMP - COMP Cadaques 2000) 24.Wxc6 Hxc6 1/2-1/2 Kovacevic,A - Chorfi,K lss 2007 25.Hd5 (25.a4 Ga6 26.Sxf6+ Hxf6 27.Hd7 Hc3 28.Wd1 Hc2 29.Gf3 Ge2 30.Gxe2 1/2-1/2 Zebre,P - Pappier,CG ws 2006; 25.Sd6 Hc5 26.Sxb5 Hxb5 27.Gd5 g6 28.Hf3 Kg7 29.Gb3 We8 30.Wxe8 Istratescu,A - Jakovenko,D Poikovsky 2007) 25...Gb2 (25...Ge7 26.Hxc6 1/2-1/2 Bobras,P - Macieja,B Krakow 2006) 26.Hxc6 Gxc6 27.Wb1 Gxe4 1/2-1/2 Walczak,P - Dorer,M ws 2007]
21.Wc2 [21.Gxc5 bxc5 22.f4 Gf6 23.Kh1 Gb5 24.Wxc5 Hb6 1/2-1/2 Alexa,J - Mikeshin,SA em 2004 25.Se4 Wxc6 (25...Gxc6 26.Sxf6+ 1/2-1/2 Van de Haak,GKP - Popelka,M ws 2006; 1/2-1/2 Blanco Gramajo,CA - Hadet,E lss 2007 26...gxf6 27.Wc2 Gxg2+ 28.Wxg2 Wfe8 29.Wxe8+ Wxe8 30.h3 He6 Pappier,CG - Horta,H em 2006) 26.Wxc6 (26.Sxf6+ Wxf6 27.Hc2 Ga4 28.Hc4 Gd7 29.Gd5 Wd8 30.Kg2 Kf8 1/2-1/2 Spasov,V - Ritsema,R ws 2005) 26...Hxc6 (26...Gxc6 27.Sxf6+ gxf6 28.h3 Gxg2+ 29.Kxg2 Wd8 1/2-1/2 Oleksy,J - Szczepankiewicz,D ws 2006) 27.Hd5 (27.Hb1 Ga4 28.Wc1 He6 29.Sc5 He8 30.We1 Hb5 Williams,CC - Leutwyler,M ws 2006) 27...Ge7 28.Hxc6 Gxc6 29.Sf6+ Gxf6 30.Gxc6 Wc8 Michael,D - Diaz,S ws 2007]
21...Gb5 [21...Gd3 22.Wc3 Gg6 (22...Hd4 23.Sb1 Wfd8 (23...Wcd8 24.c7 Wd6 25.Gb7 ) 24.Gxc5 bxc5 25.Wxd3 Hxd3 26.We8+ ; 22...Gb5 23.Se4 Gxc6 24.Hxd8 Gxd8 25.Sxc5 ) 23.Sb3 ]
22.Sb3 [22.Se4 Hxd1 23.Wxd1 Ga4 ]
22...Hxd1 23.Wxd1 Gxc6 24.Sxc5 Gxg2 [24...bxc5 25.Wxc5 (25.Gxc6 Wxc6 26.Wxc5 Wa6 ) 25...Ge7 26.Wxc6 Gxa3 27.Wd7 ]
25.Kxg2 Ge7 [25...bxc5 26.Wxc5 ]
26.Wd7 [26.Wdc1 Wfe8 27.Wc3 Gxc5 (27...bxc5 28.Gxc5 Gxc5 (28...Gf6 29.Wc4 a6 30.Ge3 Wxc4 31.Wxc4 h5 32.Wc6 We6 33.Wxe6 fxe6 ) ) 28.Gxc5 bxc5 29.Wxc5 Wxc5 30.Wxc5 - 26 Wd7 Gxc5 27 Gxc5 Wxc5 28 Wxc5 bxc5 29 Wc7 We8 30 Wxc5]
26...Gxc5 27.Gxc5 Wxc5 28.Wxc5 bxc5 29.Wxa7 [29.Wc7 We8 30.Wxc5 Kf8 (30...g6 31.Wc7 We2 (31...a5 32.Wc5 a4 33.Wc4 a3 34.Wa4 ) 32.Wxa7 h5 33.Kf3 Wc2 34.h4 Kg7 35.Wa6 Wb2 36.Ke3 Wc2 37.Wa4 (37.a4 ) 37...Wb2 38.f3 Wc2 Dautov,R - Alterman,B bdl1997/98) 31.Wa5 (31.Kf3 Wd8 32.Wa5 Wd7 33.g4 f6 34.h4 We7 35.Kf4 g6 36.f3 Kg7 37.a3 Kf7 38.a4 Wb7 ) 31...We7 32.f4 We2+ 33.Kf3 Wxh2 34.Wxa7 h5 35.a4 g6 36.a5 1/2-1/2 Walczak,P - Carrettoni,A ws 2007]
29...Wc8 30.Kf3 c4 31.Ke2 c3 1/2-1/2
