3 Foglar veterans GM-B, 11.04.2007
Hans Juergen Isigkeit
E15: Obrona hetmańsko-indyjska: 4. g3 linie boczne, 4. g3 Ga6 i 4. g3 Gb7: wcześniejsze warianty
1.d4 Sf6 2.c4 e6 3.Sf3 b6 4.g3 Gb4+ 5.Gd2 Gxd2+ 6.Hxd2 Ga6 7.b3 d5 8.cxd5 exd5 9.Gg2 Se4!? ostatni ruch z książki, czarne grożą zdobyciem materiału: Se4xd2
10.Hc2 [10.Hb4 Gb7 (10...c5 11.dxc5 bxc5 12.Ha4+ Hd7 ) 11.0-0 Sc6 12.Ha3 He7 13.Hxe7+ Sxe7 14.Wc1 0-0-0 15.Se5 Sd6 16.Sc3 Kb8 17.a4 f6 18.Sd3 c6 19.a5 b5 20.Sa2 Sdf5 21.e3 Van der Sterren,P - Van der Wiel,JTH Brussels 1993;
10.Hb2 0-0 11.0-0 Sd7 1/2-1/2 Cvitan,O - Kovacevic,A Zadar 2006 (11...c5!? 12.Wd1+/= Sc6 13.e3 Hf6! 14.Sbd2 (14.Se5 Wfe8 1/2-1/2 Novikov,IA - Hansen,Cu Debrecen 1990) 14...Wfe8 15.Wac1 cxd4 16.Sxe4 dxe4 17.Sxd4 Sb4 18.Hd2 Sd3 19.Wc6 He5 20.b4 Gb7 21.Wc2 Van der Sterren,P - Van der Wiel,JTH Rotterdam 1990; 11...We8 12.We1 (12.b4!? c5 (12...c6 13.Se5! (13.a4 Sd6 14.Sc3 Sc4 15.Hb3 f6 16.b5+/- ) 13...Gb7 14.Wc1 ; 12...Gxe2 13.Hxe2 Sxg3 14.Hxe8+ (14.Hd2 Sxf1 15.Gxf1 Sd7 ) 14...Hxe8 15.hxg3 ) 13.b5 (13.bxc5 bxc5 14.dxc5 Sc6 (14...Sxc5 15.Sd4 Se6!<=> ) ) 13...Gb7 14.Sc3 (14.dxc5!? bxc5 15.Sc3!? ) 14...a6 15.a4 Hf6 16.e3 Sxc3 (16...Sd7 17.Wfc1 (17.Sxe4 dxe4 18.Sd2+/= ) ) 17.Hxc3 Sd7 18.Wfc1 (18.Wfd1 Wac8 19.Hb2 a5= ) 18...a5? (>=18...axb5 19.axb5 Hf5 (19...Wxa1?! 20.Wxa1 Wa8 21.Wxa8+ ) ; 18...Wa7!? ) 19.dxc5! Hxc3 20.Wxc3 Sxc5 (20...bxc5 21.Sd2!+/- (21.Gh3 ) ) 21.Sd4 Beliavsky,AG - Podlesnik,B Ljubljana 2002; 12.Wd1 Hf6 (12...Sxf2 13.Kxf2 Wxe2+ 14.Hxe2 Gxe2 15.Kxe2 ) 13.e3 c5 14.Sc3 Sxc3 15.Hxc3 Sd7 16.Se1 Gb7 17.Wac1 Hd6 18.Sd3 Wac8 19.Hb2 cxd4 20.Hxd4 Sf6 21.Hb4 Itkis,B - Nikolenko,O Katowice 1991; 12.Wc1 Sd7 13.e3 c5= ) 12...c5 (12...Hf6 13.Sc3 Sxc3 14.Hxc3 c5 15.Wac1 Sd7 16.dxc5 Hxc3 17.Wxc3 Sxc5 18.Sd4 Wad8 19.e3 Kf8 20.Wd1 Gb7 21.b4 Tratar,M - Jeric,S Ljubljana 1992) 13.dxc5 (13.Sc3 Sc6= ) 13...bxc5 14.Sfd2 (14.Sbd2!? ) 14...Ha5 15.Ha3! Hxa3 16.Sxa3 Sd7 (16...Sxd2 17.Gxd5 Sd7 18.Gxa8 Wxa8 19.Wad1+- ) 17.Sxe4 /\ Sc2-e3; xc5 17...dxe4 18.Wac1 f5 19.Sc2 (19.Sc4 Gxc4!? 20.Wxc4 Wac8 21.Wec1 ) 19...Wac8 20.Se3 g6 21.Wc2 Bruzon Bautista,L - Ibragimov,I Buenos Aires 2005; 11...Hf6 12.Sbd2 Sc6 13.Wfe1 Wfe8 14.Wac1 Hd6 15.a3 f5 16.e3 Gb7 17.b4 a6 18.Hc2 We7 19.Sh4 Wf8 20.f4 h6 21.Gh3 Izeta Txabarri,F - Podlesnik,B Erevan 1996) 12.b4 (12.Wc1 We8 13.e3 c5 14.Sc3 cxd4 15.exd4 Sxc3 16.Wxc3 Sf6 17.Wac1 Se4 18.We3 Hd6 19.Se5 Wac8 20.Gh3 Wxc1+ 21.Hxc1 Itkis,B - Zaitsev,IA Bucharest 1993) 12...c5 13.b5 Gb7 14.Sc3 We8 15.e3 Hf6 16.Wfd1 (16.Se2 h5 17.h4 g6 18.Sf4 Sf8 19.Gh3 Gc8 20.Gg2 Gb7 - 18 .. Sf8 21.Gh3 Torre,E - Ljubojevic,L Brussels 1986) 16...Sxc3 17.Hxc3 a6 18.a4 c4 19.Hc2 Hd6 20.Hb2 a5 21.Sd2 Antic,D - Kovacevic,A Kopaonik 2005]
10...0-0 11.0-0 białe wykonują roszadę i poprawiają bezpieczeństwo swojego króla 11...Sd7 12.We1 c5 13.Sc3 z groźbą: Sc3xe4 13...Sdf6 14.Wad1 Wc8 15.Hb2 Sxc3 16.Hxc3 Se4 z groźbą: Se4xc3 17.Hb2 Hf6 [17...We8 18.Sd2 Sxd2 19.Hxd2= ] 18.e3 Wc7 [18...Wfd8 19.Se5 He6 20.Gf3= ] 19.Wc1 Wfc8 20.Se5 He7 [20...He6 21.Gf3= ] 21.dxc5 Wxc5 22.Sf3 Sc3 1/2-1/2
