ST-2009-0-00055, 01.06.2009
Piotr Nguyen
1.d4 Sf6 2.c4 e6 3.Sc3 Gb4 4.Hc2 0-0 5.a3 Gxc3+ 6.Hxc3 b6 7.Gg5 Gb7 8.e3 d6 9.Se2 Sbd7 10.Hd3 h6 11.Gh4 He7 12.Sc3 c5 13.Wd1 Wfd8 14.d5 exd5
15.cxd5 [15.Sxd5 Gxd5 16.cxd5 b5 17.Ge2 c4 18.Hd4 We8 19.b3 cxb3 20.Gxb5 g5 21.Gg3 Wab8 22.a4 Wb6 23.h4 He4 24.hxg5 Hxd4 Sarkar,J - Milman,L Peabody 2007]
15...a6 [15...Se5 16.Hc2 Sg6 17.Gg3 Sh5 (17...a6 18.a4 We8 19.Ge2 Wac8 20.b3 (20.0-0 Wb8 21.Wfe1 Gc8 22.e4 Hc7 23.b3 Sf8 24.f4 Gg4 25.Gxg4 Bu Xiangzhi - Ghaem Maghami,E Doha 2006) 20...Se5 21.Gc4 Sh5 22.0-0 Sxg3 23.hxg3 Hf6 24.Wfe1 Wc7 25.e4 Gauri,S - Cebalo,M Biel 2007) 18.Ge2 Sxg3 19.hxg3 a6 /\ b5 (19...Gc8 20.0-0 a6 21.a4 - 19 ...a6 20 a4 Gc8 21 0-0) 20.a4+/= (20.0-0?! We8 (20...b5 21.Wfe1 (21.e4?! We8 /\ b4, xe4) 21...We8 22.Gf1 /\ f4 22...Se5 23.e4 h5!=/+ 24.Hd2 /\ Hf4 (24.Ge2 h4 25.gxh4 (25.f4?! ) ; 24.f4 Sg4 25.Wd2 ) 24...h4 25.Hf4 Malakhatko,V - Volotkin,A Kharkov 2004) 21.a4 Gc8 - 20 a4 Gc8 21 0-0 We8) 20...Gc8?! (20...We8!? /\ Wad8, Gc8, /^c8-h3 21.0-0 (21.e4 Gc8 22.0-0 - 20 ...Gc8 21 0-0 We8 22 e4) 21...Gc8 - 20 ...Gc8 21 0-0 We8) 21.0-0 (21.g4 Sf8 /\ Sh7-f6 <=>) 21...Gd7 (21...f5?! 22.Hd2!? /\ Wb1, b4 22...Gd7 (22...Hg5 23.Wb1 h5 24.b4 (24.f4!? Hh6 (24...Hxg3 25.Wf3 ) 25.Kf2 /\ Wh1 ) 24...h4 25.gxh4 ) 23.Wb1+/= /\ b4 23...Wdc8 24.b4 cxb4?! (24...c4 25.Hd4 (25.Wbe1!? ) ) 25.Wxb4 Gurevich,M - Gelashvili,T Izmir 2003; 21...We8!? 22.Wb1 (22.Wfe1 Gd7 23.Gd3 Se5 24.Gf5 1/2-1/2 Simon,H - Kubasky,A em 2005; 22.e4 Se5 (22...Gd7 23.f4 b5 24.axb5 axb5 25.Gxb5 Rodshtein,M - Golod,V Ashdod 2004) 23.f4 Sg4 24.Hd2 f6 25.Wde1 Erdos,V - Lobzhanidze,D Differdange 2007) 22...Hc7 (22...He5 /\ Gf5<=>) 23.b4 Gd7 24.bxc5 bxc5 25.Wb2 Bitan,B - Prasad,DV New Dehli 2007; 21...Se5 22.e4 Sg4 23.Hd2 Sf6 24.Gd3 Gd7 25.Wfe1 Flumbort,A - Kveinys,A bdl2007/08) 22.Wb1 Wdc8 23.b3 Wa7 24.e4 He8 25.f4 Witek,T - Matuszewski,M Leba 2008]
16.Ge2 [16.a4 Se5 17.Hf5 Gc8 18.Gxf6 Hxf6 19.Hxf6 gxf6 20.Ge2 Kf8 21.h3 Gd7 22.f4 Sg6 23.Wb1 Se7 24.Kf2 Wdb8 25.b4 cxb4 Plischki,S - Artumian,D Olomouc 2006]
16...b5 17.0-0 We8 [17...b4 18.axb4 cxb4 19.Sa4 g5 20.Gg3 Gxd5 21.Hd4 Gb3 22.Gxd6 He6 23.Hxb4 Gxd1 24.Wxd1 Se4 25.Gc7 Wdc8 26.Ga5 Wab8 27.Hd4 Zerbe,P - Schon,A ws 2007]
18.Wfe1 [18.b4 Wac8 19.Wc1 cxb4 20.axb4 Wc4 21.f4 Wxb4 22.Wf3 Hd8 23.Hf5 Hb6 24.Gf2 Gc8 25.Wg3 Hd8 26.Hc2 Sc5 27.Ge1 Hb6 Kveinys,A - Berend,F Torino 2006]
18...Wac8 [18...Wab8 19.Hc2 b4 20.axb4 cxb4 21.Sa4 g5 22.Gg3 Gxd5 23.Wd4 He6 24.Hc7 Wbc8 25.Hxd6 Hxd6 26.Gxd6 a5 27.Gb5 Gc6 28.Gxc6 Slinger,A - Dobrica,DB ws 2007]
19.h3 g5 20.Gg3 b4 21.axb4 cxb4 22.Sb1 Wc5 23.Sd2 Wxd5 propozycja remisu
24.Hb3 a5 25.Gc4 Wc5 26.Gxd6 Hxd6 27.Gxf7+ Kf8 28.Gxe8 Gd5 29.Hd3 Sxe8 30.Se4 Gxe4 31.Hxe4 He7 32.Hg6 Hf6 33.Hh7 Se5 34.Wc1 Wd5 35.Wed1 Wxd1+ 36.Wxd1 Sf7 37.Hc2 He5 38.Wd4 Sfd6 39.Hc6 Ke7 40.g4 Sf6 41.Kg2 Sfe8 42.Kh1 Hb5 43.Hc2 Ke6 44.Kg1 Sf6 45.b3 Hb6 46.Kg2 1/2-1/2
