大希腊

Leonid Kritz – Yelena Dembo
35th Greek Team Championship; Ermioni, July 7, 2006
Sicilian Defence B51

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Bd7 5. c3 Nf6 6. Re1 a6 7. Ba4 b5 8. Bb3. More to the point is 8. Bc2, e.g. 8. ... Bg4 9. d3 e6 10. Nbd2 Be7 11. h3 Bh5 12. Nf1 d5 13. Ng3 Bg6 14. Nh4 0-0 15. exd5 Qxd5 16. Nxg6 hxg6 17. Qe2 Rfd8 18. Be3 Qd7 19. Ne4 Nxe4 20. dxe4 Qc7 21. f4 Rac8 22. Qf2 b4 23. f5 bxc3 24. bxc3 Qe5∞ Dembo – Brkic, Solin 2007. 8. ... Bg4. The vintage alternative is 8. ... e5 9. d3 Be7 10. Nbd2 0-0 11. Nf1 Ne8 12. Ne3 Nc7 13. d4 exd4! 14. cxd4 (Keller – Walther, Zürich 1959) 14. ... Bf6! with equality. 9. d4 cxd4. For the intermediate 9. ... g6 10.a4 cxd4 see Zlatic – Rogozenko, Timisoara 2005. 10. cxd4 Bxf3 11. gxf3 e5 12. d5. Strategically bad. On her website Yelena suggests 12. Be3! Be7 13. Nc3 0-0 14. f4±. 12. ... Nd4 13. a4 b4 14. Bc4. Also here I would have preferred 14. Be3 to which Black would probably have replied by 14. ... Nd7. 14. ... Nh5 15. Be3 Qh4! 16. Nd2. After 16. Bxd4? exd4 17. Qxd4? Be7 (Δ ... Be7-f6) Black’s position is overwhelming. 16. ... Be7 17. Nb3. The best chance was probably 17. Kh1, as then suggested by Yelena. 17. ... Nxb3 18. Qxb3 0-0 19. Qxb4 f5! Black’s initiative is most powerful. 20. exf5. More resilient is 20. Bf1, although after 20. ... a5!? Black retains all her initiative. 20. ... Rxf5 21. Qb7 Raf8 22. Bf1 Bg5 23. Bg2

23. ... Bf4! 24. h3. On 24. Bxf4 Nxf4 25. Re4 Rh5 wins. 24. ... Rg5 25. Qd7 Bxe3 26. fxe3. Else 26. Rxe3 Nf4 and wins. 26. ... Rxg2+! 0 : 1. For if 27. Kxg2 then 27. ... Qg3+ 28. Kh1 Qxf3+ 29. Kh2 Qf2+ 30. Kh1 Ng3 mate.

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Yelena Dembo