Teoria Deschiderilor: O incursiune in Atacul Sozin din Siciliana(3)

21 mai 2009

de Dan Nuta

EPISODUL 1

EPISODUL 2

Atacul Sozin (3) [B89]

[Dan Nuta]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 e6 7.Be3 Be7 8.Qe2 0–0 9.0–0–0

9…a6 S-a mai jucat aici 9. ..Nd4 , 9. ..Qa5, 9. ..d5, 9. ..Bd7 10.Bb3 Qc7 11.Rhg1 C) 11…Na5 12.g4 b5 13.g5

13…Nxb3+ [13…Nd7 14.Bd5 Bb7 !? (14…exd5 15.Nxd5 Qd8 16.Nf5 Nc6 (16…Re8 17.Bd4 Bf8 18.Nh6+) 17.Bd4 f6 (17…Nde5 18.Ndxe7+ Nxe7 19.Bxe5) 18.gxf6 Nxf6 19.Nfxe7+ Nxe7 20.Nxf6+) 15.Nxe6 (15.g6 exd5 !) 15…fxe6 16.Bxe6+ Kh8] 14.axb3 Nd7 15.f4 !

[15.Qh5 g6 16.Qh6 Re8 (16…Bb7 17.Rg3 Rfc8 18.Rh3 Nf8 19.Nf5 exf5 20.Bd4 f6 21.exf5 Bd8 22.gxf6 ! si albul castiga, Berlin – Sokolov, Jurmala 1977) 17.Rg3 Bf8 18.Qh4 b4 !; 15.Rg3 b4 !? 16.Nf5 (16.Na4 !?) 16…exf5 17.Nd5 Qd8 18.exf5 Re8 19.Qf3 (19.f6 Bf8 20.fxg7 Bxg7 21.Qh5 Rxe3 !?; 19.g6 !?) 19…Bf8 20.Nf6+ Nxf6 21.gxf6 Rb8 ! 22.fxg7 (22.Bd4 g6 23.fxg6 Bh6+ ! -/+ Stean) 22…Be7 23.Qf4 Qa5 !? 24.f6 Bf5 ! -/+; 15.h4 b4 16.Na4 Bb7 (16…Nc5 17.h5 Bd7 18.Kb1 Rac8 19.g6 Bf6 !?, Ehlvest-Yudasin, Kuibyshev 1986) 17.f3 (17.g6 ?! 17…hxg6 18.h5 e5 !) 17…Nc5 !?] 15…b4 [15…Nc5 16.Nf5 !? 16…Nxb3+ 17.Kb1 ! 17…exf5 18.Nd5 Qb7 19.e5 ! 19…dxe5 20.Nf6+ ! + – Hoffer – Johnson, corr. 1989; 15…Bb7 16.Rg3 !? 16…b4 17.Nd5 ! 17…exd5 18.Nf5 Nc5 !? 19.Bd4 Ne6 20.exd5 Bxd5 21.Bb6 Qb7 22.Nxe7+ Qxe7 23.Rxd5 +/=; 15…Re8 16.f5 Ne5 17.h4 !? albul are initiativa] 16.Nf5 !

[16.Na2 Bb7 17.f5 e5 cu pozitie putin mai buna pentru negru, Van der Wiel-Ligterink , Wijk aan Zee 1985; 16.Na4 Bb7 (16…Nc5 !? 17.f5 cu joc complicat ;; 16…Re8 17.f5 e5 ?! 18.g6 ! 18…fxg6 19.fxg6 exd4 20.gxh7+ Kh8 21.Rxg7 Nf6 ?! 22.Bxd4 ! 22…Kxg7 23.Qh5 + –) 17.f5 e5 18.f6 exd4 19.fxe7 Rfe8 20.Rxd4 Rxe7 =] 16…exf5 ?! Calul nu poate fi capturat aici, dar se pare ca negru are probleme oricum: [16…Bd8 17.Nd5 ! (17.Nh6+ Kh8 ! 18.Qh5 g6 !; 17.Qh5 bxc3 !; 17.Nxg7 bxc3 ! 18.Qh5 Kxg7 !?) 17…exd5 18.Qh5 Nc5 19.Nxg7 d4 20.Rxd4 Kxg7 21.Qh6+ Kg8 22.f5 Nxb3+ 23.Kd1 ! probabil cu castig; 16…bxc3 17.Nxe7+ Kh8 18.f5 !; 16…Re8 17.Nh6+ cu initiativa; 16…Nc5 17.Nxe7+ (17.Nh6+ ?! 17…Kh8) 17…Qxe7 18.e5 ! (18.Bxc5 ?! 18…dxc5 19.Na4 Bd7) 18…bxc3 (18…dxe5 ? 19.Bxc5 Qxc5 20.Ne4; 18…d5 19.Qf2 Nxb3+ !?) 19.exd6 cxb2+ 20.Kxb2 (20.Kb1 ?? 20…Qd8 21.Bxc5 Qa5) 20…Na4+ (20…Qa7 21.Bd4 ! +/-) 21.Ka3 (21.bxa4 ?! 21…Qb7+ 22.Kc1 Rb8 Nunn) 21…Qe8 (21…Qd7 22.Qc4) 22.Bd4 Qb5 23.Qe5 – da Costa Junior.] 17.Nd5 Qd8 18.exf5 Re8 19.Bd4 !!

In caz contrar, problemele ar fi fost de partea albului. 19…Bf8 [19…g6 20.Rge1 !?; 19…Bf6 20.Qxe8+ Qxe8 21.gxf6 g6 ( Nijboer-Winants, Wijk aan Zee 1988) 22.Rde1 +/-; 19…Bb7 20.g6 hxg6 (20…fxg6 21.Qe6+ Kh8 22.Bxg7+ !; 20…f6 21.gxh7+ Kh8 22.Rxg7 Bxd5 23.Rdg1 !; 20…Bf6 21.gxf7+ Kxf7 22.Qh5+) 21.fxg6 Nf6 22.Nxf6+ (22.Qg2 !?) 22…Bxf6 23.gxf7+ Kxf7 24.Qh5+ Kg8 25.Rxg7+ Bxg7 26.Bxg7 Bf3 27.Qg6 !] 20.Qh5 Re4 21.Bf6