埃文達芝士 (Emmental)

侯逸凡 (Hóu Yìfán) – Anish Giri
47th International Chess Festival “In Memoriam Hans Suri”; Biel/Bienne, July 14, 2014
Sicilian Defence B51

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Be2. More usual is 6. Bxd7+. 6. ... Ngf6 7. 0-0 e5 (7. ... Qc7 8. c4 e6 9. b3 b6 10. Nc3 Bb7 11. Rd1 Be7 12. h3 Rd8 13. Qe3 0-0 14. Ba3 Rfe8 15. Rac1 h6 16. b4 Rc8 17. Bb2 Qb8 18. Bd3 Nh7 19. Ne2 Ba8 20. e5 Ng5 21. Nxg5 Bxg5 22. f4 Be7 23. Be4 Bxe4 24. Qxe4 Red8 25. Nd4 Bf8 26. Nxe6 fxe6 27. exd6 Re8 28. Rc3 Qa8 29. Qxa8 Rxa8 30. c5 bxc5 31. bxc5 Reb8 32. Ba3 Rd8 33. c6 Rac8 34. Bb2 Nb8 35. c7 Rxd6 36. Rxd6 Bxd6 37. cxb8=Q Rxb8 38. Bc1 Rb4 ½ : ½ Svidler – Grischuk, 4th Chess World Cup, Khanty-Mansiysk 2011, match game 4) 8. Qe3 d5!? If you say a you must say b... If 8. ... Nc5 then 9. Nc3 Be7 10. b3 0-0 11. Ba3 Ne6 12. g3 Qa5 13. Bb2 Nc5 14. Nd2 Be6 15. a4 Rfe8 16. Nc4 Qc7 17. a5 Rad8 18. Rfd1 Qc6 19. Nd2 h6 20. Bf3 Bf8 21. Nf1 Bg4 22. Bxg4 Nxg4 23. Qf3 Nf6 24. Re1 Ne6 25. Ra4 Ng5 26. Qg2 d5 27. exd5 Nxd5 28. Rc4 Qf6 29. Nxd5 Nf3+ 30. Kh1 Rxd5 31. Re3 Rd1 32. Qxf3 Qxf3+ 33. Rxf3 Rxf1+ 34. Kg2 Rb1 35. Bc3 Rc1 36. Bd2 Rd1 37. Rd3 Be7 38. Kf3 Bg5 39. Bxg5 Rxd3+ 40. cxd3 hxg5 41. Ke4 f6 42. Rc7 Rb8 43. b4 Kh7 44. Kd5 b6 45. b5 axb5 46. a6 Rd8+ 47. Kc6 b4 48. Kb7 b3 49. Rc3 1 : 0 see Fressinet – Grandelius, 22nd Sigeman & Co. Chess Tournament, Malmö 2014.

9. exd5 Bc5? Throwing away a Pawn in a velleitary attempt to snatch the initiative. Better was 9. ... Nxd5 10. Qe4 N5f6 11. Qh4⩲ with only an edge for White. 10. Qd2! 0-0 11. c4 e4 12. Nd4 Ne5 13. b4! Ba7 14. Nc3 Bg4. 14. ... Nd3 15. Nc2! Nxc1 16. Raxc1 leaves White with a Pawn ahead and much the better game. 15. c5! a5. On 15. ... Nxd5 16. Nxe4 Bb8 17. f3 it’s almost like in the text. 16. a3 Nxd5. Makes it easy. A little better is 16. ... Bb8 17. Bb2 Nxd5 18. Nxe4 Bxe2. 17. Nxe4 Bb8 18. f3 Nf4. A desperate bid for counterplay. He’s hoping for 19. Qxf4?? Nxf3+. 19. Nd6! The coup de grâce. 19. ... Bxd6 20. cxd6 Nxe2+ 21. Qxe2 Qxd6 22. Nb5 Qf6 23. fxg4 Nf3+ 24. Qxf3 Qxa1 25. Be3 Qf6 26. Qxf6 gxf6 27. Nc7 Rac8 28. Nd5! 1 : 0.

Photos: Biel Chess Festival.