Sah cu Ceausescu

Aici veti gasi cele mai interesante subiecte ale sportului mintii!Nu ezitati sa intrati in misterioasa si tulburator de frumoasa lume a sahului! Sa aveti in fiecare zi pofta de viata si de sah!

Teoria Deschiderilor: O incursiune in Atacul Sozin din Siciliana (2)

Posted by adrianstanca2009 on May 18, 2009

nuta11

de Dan Nuta

Aici puteti vedea episodul 1

Atacul Sozin (2) [B89]

[Dan Nuta]

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

7b

Contra Atacului Velimirovic, nu putini jucatori prefera aici mutarea 7. ..a6 , dezvoltand mai intai jocul pe flancul damei. Dupa 7. ..a6 albul poate opta intre 8. Bb3 sau 8. Qe2. La 8. Bb3 Qc7!? 9. Qe2 negru are mutarea 9. ..Na5!. Preferabil ar fi 8. Qe2, de exemplu 8. ..Qc7 ( 8. ..Na5 9.Bd3!) 9. 0–0–0 Na5!? 10. Bd3!. 8.Qe2 0–0 9.0–0–0 a6 10.Bb3 Qc7 ( in practica s-au mai jucat mutarile 10. ..Nd7!? si 10. ..Qe8) 11.Rhg1

11a

B) 11…b5 ! Principala replica la 11. Rhg1 12.g4 b4 13.Nxc6 [13.Na4 ?! 13…Nxe4 14.Nxe6 Bxe6 !; 13.g5 !? 13…bxc3 14.gxf6 cu joc foarte complicat: 14…cxb2+ (14…Bxf6 ! 15.Qf3 (15.Nxc6 Qxc6 16.Bh6 g6 (16…Qb5 !?) ) 15…Be5 16.Bh6 cxb2+ 17.Kb1 g6 18.Qc3 Matulovic-Nikitin, Kislovodsk 1966 (18.Nxc6 !? 18…Qxc6 19.Bxf8 Kxf8 20.Qe3) 18…Bb7 !? 19.f4 Bf6 20.Bxf8 Rxf8 21.Ba4 Qa5 ! Kasparov/ Nikitin) 15.Kb1 Bxf6 16.Nxc6 Qxc6 17.Bh6 g6 (17…Kh8 18.e5 gxh6 19.exf6 Bb7 20.Qh5) 18.f4 !?; 13.Nd5 Nxd5 (13…exd5 14.Nxc6 Qxc6 – 13. Nc6 Qc6 14. Nd5 ed5) 14.Nxc6 Nxe3 !? 15.Nxe7+ Qxe7 16.Qxe3 a5 cu joc bun pentru negru.] 13…Qxc6

13b

[13…bxc3 !? 14.Nxe7+ Qxe7 15.Bd4 Bb7 ! 16.f3 cxb2+ 17.Bxb2 Rfd8] 14.Nd5 exd5 [14…Nxd5 15.exd5 Qb7 16.f4 Re8 (16…a5 17.Bd4 a4 18.Bc4) 17.Qd3 Bf8 18.dxe6 Bxe6 19.Bxe6 Rxe6; 14…Bd8 15.g5 !] 15.g5 Nxe4 [15…dxe4 ? 16.gxf6 Bxf6 17.Bd5 Qa4 18.Qh5 ! 18…Be6 (18…Rb8 19.Rxg7+ + –) 19.Rxg7+ !! 19…Bxg7 20.Rg1 Rfc8 21.Rxg7+ Kxg7 22.Qh6+ Kg8 23.Bxe4 + – Ostapenko – Yartsev, corr. 1969] 16.Bxd5 Qa4

16b

[16…Nc3 17.bxc3 Qa4 18.Bb3 ! +/- 18…Qa3+ 19.Kb1 bxc3 20.Bc1] 17.Bxe4 !? [17.Bxa8 Nc3 18.bxc3 Be6 (18…bxc3 ? 19.Rd4 Qxa2 20.Kd1 + -;; 18…Qa3+ ?! 19.Kb1 Be6 ! 20.Bd5 Bxd5 21.c4 !) 19.Bd4 (19.Bd5 Bxd5 ! 20.Rxd5 ?! 20…Qxa2 21.Bd4 Re8 ! -/+; 19.Be4 Qa3+ =) 19…bxc3 (19…Rxa8 ? 20.g6 ! + –) 20.Bxc3 Rxa8 21.g6 hxg6 22.Rxg6 Qf4+ 23.Bd2 (23.Rd2 fxg6 24.Qxe6+ Qf7 =) 23…Qd4 (23…Qf5 24.Rg3 Rb8 !? Nikitin) 24.c3 Qc5 (24…Qe5 ?!) 25.Rdg1 Qa3+ 26.Kd1 Bb3+ ! 27.Ke1 fxg6 28.axb3 Qxb3 29.Qxe7 Qb1+ 30.Ke2 Qxg1 31.Qe6+ = Nadenic – Sarenac, corr. 1989; 17.Bd4 Bf5 ! 18.Bxe4 Bxe4 19.Qxe4 Qxa2 !? 20.Qxe7 Rae8 ! 21.Qc7 ! 21…Re4 ! 22.Be3 Rc4 23.Qxd6 b3] 17…Be6 18.Bd4 [18.Bxh7+ ?! 18…Kxh7 19.Qh5+ Kg8 20.g6 fxg6 21.Qxg6 Bf6 22.Bd4 b3 !! (Nikitin) 23.axb3 Qa1+ 24.Kd2 Qa5+ 25.Kc1 si acum negrul poate opta pentru 25. ..Da1+ cu egalitate, sau 25. ..Nd4!?.] 18…g6 !

18b

Se ameninta 19. Nh7 urmat de Dh5 si g6. 19.b3 !? 19…Qxa2 20.Kd2 Qa5

20b

21.Ra1 Qd8 22.Bxa8 Qxa8 23.Rxa6

23a

cu joc complicat.  (Va Urma)

Revedeti aici variantele!

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