l.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.0-0 Nc6 8.d5 Ne7 9.Nel Nd7 10.Nd3 f5 ll.Bd2 Nf6 12.f3 f4 13.c5

[The old main line. More popular nowadays is 13.g4 preventing Black from a quick kingside attack. Since the aggressive attempt 13... h5 14.g5 Nh7 15.h4 Nxg5 16.hxg5 Nf5 17.Rp. Qxg5 18.Rg2 Ng3 19.Np Qf6 leads to nowhere after 20.Bfl g5 21 .Rh2 according to Lautier while 13... fxg3 14.hxg3, leaves Black without a follozv-up, 13...g5is supposed to be the best reply here. A recent game for this is Khalifittan-Spasov from the 7th round:

14.Bel h515M Ng616.c5 Rf717.cxd6 cxd6

15.Rcl Bf819.Bft. Rh720.Qb3 hxg4 21.hxg4 Nh4 22.Bxh4 Rxh4 23. Np a6 24.a4 Rh7iuith only a slight edge for White, although he won the game later.]


[This appears to me to be a mixture of two ideas. The main continuation is 16.Nb5 Rp

17.Qc2 Ne8 18.a4 h5 19.Np Bf8 and if 20.Nxa7 then 20... Rc721 .Ba5Rxc2 22.BxdS Rxe2 23.Nxc8 Rxa4! with an equal endgame but not 23... Rxb2? because of 24.a5! and White stands better. Therefore another plan with 14.cxd6 cxd6 15.Np deserves attention with the idea ofl5...h516.h3 Ng617.Qc2 Rp

18.Rfcl and if Black plays the careless 18... Bf8? then 19.Nb5 Ne8 20.a4 Rg7 21.Nxa7l Rc7 22.Ba5 Rxc2 23.Bxd8 Rxe2 24.Nxc8 Rxb2 25.a5! with strong pressure on the queenside. Better seems to be 18... a6 or even 18... g4.]

[Worse is 17.Nb5?! because of 17... ab! 18.Na3 b5 19.Qel h5 20.Ba5 Qf8 21.h3 g4 22.fxg4 hxg4 23,Nxg4 Bxg4 24.Bxg4 Nxg4

25.hxg4 Bf6 26.Qe2 Bh4 27.Rc3 Bg3 28.g5 Qe7 29.QH5? Qa7 0:1 Gligoric-Quinteros, Novi Sad 1982.]

[Now 19... Ne8 is baddue to20.Qb3! andRc2, Rfcl ivinning a tempo in comparison to the main lines with Qc2 and Qb3. A transposition to the game is 19... Rg7.]


[20.Rc3 was seen in Zaltsman-Evans, USA (ch) 1980 and after 20... Rg7 21.Bel a6 22.Na3 Bd7 23.a5 Rc8 24.Nc4 Bb5 25.Nb6 Rxc3 White should Itave played 26.bxc3! threa tening ivith c4-c5,but21... Kli8 deserves attention. If20.Qc2 then Black cannot ansiuer with 20... Ne8 on account of 21.Nxa7 Rc7

22.Ba5 Rxc2 23.Bxd8 Rxe2 24.Nxc8 Rxa4 25.Bxg5! and 21.Nc7 is a big threat but 20... g4! 21.fxg4 hxg4 22.hxg4 Rg7 is strong enough.]

[21.Qc2 is late: 21... g4 22,fxg4 hxg4 23,hxg4 Nxg4 24.Bxg4 Bxg4 25.Nxg4 Rxg4 with an attack for Black. Editors' note: According to GM Yudasin the text move is weak. He suggests 21.Bel! and after 21... g4 22.fxg4 hxg4

23.Nxg4Nxg424.Bxg4 Bxg425.hxg4 White stands better.]

/A stronger continuation here was 21... a6! 22.Na3 Cor Nc3) b5 with the idea ofQe7-a7— Yudasin]

22.fxg4 hxg4 23.hxg4

Shirov-Spasov Position after 23.hxg4

[A nice tactical blozv. Other attacking moves are inadequate: 23... Nxg2? 24.Rxc8!;or23... Bxg4? 24.Nxg4 Nxg4 25.Bxg4 Qg5 26.Be6 KliS 27,g4l, and 25... Nxg2 26.Be6 Kh8 27.Qh5 Rh7 28.Qg4 Rg7 29.Kxg2.]


[The only move—Yudasin. White cannot accept the sacrifice: 24.gxh5? Nxg2 and Ne3, and 24.Rxc8? loses to 24... Rxc8 25.gxh5 Nxg2 26.Bg4 Ne3 27.Qf3 Qh4]

[With the threat ofNe3—Yudasin. Less effective are 24... Rb8 25.Ne6 Bxe6 26.dxe6 Ng3 27.Rel and24...Rxc725.Rxc7 Qxc726.gxh5 Qg727.g4fg3 28.Ng4]


[There is no time for 25.Nxa8 in view of 25... Ne3 26.Qel Qh4 27Mil Ng3 28.Nxg3 Bxg4!]


[Annotatiotis by IM Lazslo Hazai]

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