Leche frita

Manuel Pérez Candelario – 侯逸凡 (Hóu Yìfán)
2nd Ruy López International Chess Festival; Mérida, April 11, 2008
Sicilian Defence B96

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Qf3 Qc7 9. 0-0-0 b5 10. Bd3 Bb7 11. Rhe1 Qb6 12. Nb3 b4 13. Nb1. Another continuation is 13. Na4 Qc7 14. Nd4 Be7 15. Qh3 Nc5? (15. ... 0-0-0∞) 16. Nxc5 dxc5 17. Nxe6! fxe6 18. Bc4! Rd8 19. Qxe6 Rxd1+ 20. Rxd1 Rf8 21. Bxf6 Rxf6 22. Qg8+ Bf8 23. g3! Bc8 24. e5 Rb6 25. Qxh7 Be6 26. Qg6+ Qf7 27. Qe4 Qc7 28. h4 Bxc4 29. Qxc4 Qc6 30. b3 g6 31. Qe2 Qe6 32. h5 Rb7 33. Qe4 Rg7 34. hxg6 Qxg6 35. f5 1 : 0 Spassky – Tukmakov, 41st USSR Chess Championship, Moscow 1973.
13. ... a5. 13. ... Be7 14. N1d2 Qc7 15. Qh3 e5 16. Nc4 0-0 17. Nba5 Bc8 18. Qg3 seems to favour White, Shirov – Karjakin, 2nd Chess World Cup, Khanty-Mansiysk 2007, match game 1.
14. N1d2 Be7 15. Nc4 Qc7 16. Qg3 a4 17. Nd4 Ba6 18. Bxf6 Nxf6

19. Nb5!? Bxb5 20. Nxd6+ Bxd6 21. Bxb5+ Kf8 22. e5

22. ... a3? Black pushed the wrong Pawn, thereby giving up any chance of counterattack. Correct was 22. ... b3! 23. axb3 axb3 24. Qxb3 Be7 25. exf6 Qxf4+ (alternatively 25. ... gxf6!? 26. Qc4 Qa5 gives Black good compensation for the Pawn) 26. Qe3 Ra1+ 27. Kd2 Qb4+ 28. Qc3 Rxd1+ 29. Rxd1 Qf4+ 30. Qe3 Qb4+ 31. Kc1 Bxf6 with dynamic equilibrium — as White has nothing better than to offer an exchange of Queens.
23. exd6 axb2+ 24. Kb1 Qc5

25. Qg5! Rc8. Not 25. ... Nd5? on account of 26. Rxd5! Qxd5 (if 26. ... exd5?? then 27. Qe7+ Kg8 28. Qe8+ followed by mate) 27. Qxd5 exd5 28. d7 g6 29. Re8+ Kg7 30. Kxb2+− with a deadly zugzwang.
26. Ba4 h6 27. Qxc5 Rxc5 28. Kxb2+− g5 29. Re5 Rc8 30. f5 exf5 31. Rxf5 Kg7 32. Rdf1 Ne4 33. Rxf7+ Kg6 34. d7 Rcd8 35. Bc6 Nd2 36. R1f6+ Kh5 37. Kc1 Nc4 38. Bf3+ Kh4 39. Re6 1 : 0.