Wednesday, June 4, 2014

快捷键

侯逸凡 (Hóu Yìfán) – Valentina Evgenyevna Gunina
SportAccord World Mind Games; Women’s Blitz Event; 北京市 (Běijīng), December 14, 2013
Caro-Kann Defence B18

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. 0-0-0 Be7 13. Kb1 0-0 14. Ne4 Nxe4 15. Qxe4 Nf6 16. Qe2 Qd5 17. Ne5 (17. Be3 Rfd8 18. Rhg1 Ng4=) 17. ... Rfd8. Or 17. ... Qe4 18. Qxe4 Nxe4 19. Be3 Rfd8 20. g4 c5 21. f3 cxd4 22. Bxd4 Bc5 23. Bxc5 Nxc5 24. c3 f6 25. Ng6 e5 26. Kc2 Kf7 27. Nh4 Ne6 28. Rh2 Rxd1 29. Kxd1 Rc8 30. Rd2 Rc7 31. Nf5 b6 32. Ke2 Kf8 33. Ke3 Kf7 34. Rd6 Nc5 35. Rd2 Ne6 36. c4 Nc5 37. b3 Nb7 38. Ke4 Ke6 39. Rd5 Nc5+ 40. Ke3 Nb7 41. Kd2 Kf7 42. Kc3 g6 43. hxg6+ Kxg6 44. Ng3 Rf7 45. b4 Kg5 46. Rd3 Kf4 47. Nh5+ Kg5 48. Rd5 Kh4 49. c5 bxc5 50. bxc5 f5 51. Rxe5 fxg4 52. fxg4 Kxg4 53. Kd4 Nd8 54. Kd5 Rd7+ 55. Kc4 Rf7 56. Kd5 Rd7+ 57. Kc4 ½ : ½ 侯逸凡 (Hóu Yìfán) – 周唯奇 (Zhōu Wéiqi), 44th Chinese Chess Championship, 兴化 (Xīnghuà) 2009. 18. Rhe1 c5 19. c4 Qd6 20. g4! More enterprising than 20. Bf4 cxd4 21. Nxf7 Qxf4 22. Qxe6 Kh7 with roughly even chances, Kulon – Gunina, Warsaw 2013. 20. ... cxd4. A year before, in the rapid event, Gunina preferred 20. ... Nd7 21. Ba5 b6 22. Qf3 Bf6! with equality, 侯逸凡 (Hóu Yìfán) – Gunina, SportAccord World Mind Games, Women’s Blitz Event, 北京市 (Běijīng) 2013. But now, perhaps afraid of a fresh Chinese surprise, Valentina prefers to deviate. 21. g5 hxg5 22. Bxg5 Nd7


23. Nxf7! Aggressive play. After 23. Bxe7 Qxe7 24. Rxd4 Nxe5 25. Qxe5 Rxd4 26. Rg1 Rg4! 27. Rxg4 f6 the game is even. 23. ... Kxf7 24. Rxd4! A brilliant corollary to her 23th move! 24. ... Qb6. Nolens volens, as the Rook is taboo: 24. ... Qxd4 25. Qxe6+ Kf8 26. Bxe7+ Ke8 27. Bd6 mate. 25. Bxe7 Kxe7 26. Qg4 Rg8 27. Rde4 e5. Loses outright, but also 27. ... Nc5 28. Qg5+ Kd7 29. Rd4+ Kc7 30. Qf4+ Kc8 31. Qf7 is catastrophic. 28. Rxe5+! Breaking down the last defence! Although a whole Rook down, White’s attack is irresistible. 28. ... Nxe5 29. Rxe5+ Kd8 30. Rd5+ Kc7 31. Qf4+ Kc8 32. Qf7? A disappointment! Correct is 32. Qe5! (Δ Rd5-c5+) with an easy win. 32. ... Rd8 33. Qf5+ Kb8? The decisive mistake. After 33. ... Kc7 34. Qe5+ Kc6 35. Qe6+ Kc7 White has nothing better than a draw by perpetual check. 34. Qe5+ Kc8 35. Rc5+ Qxc5. Black must submit to the loss of her Queen or get mated, e.g. 35. ... Kd7 36. Qxg7+ Kd6 37. Qd4+ Ke7 38. Re5+ Kf7 39. Qf4+ etc. 36. Qxc5+ Kd7 37. Qd4+ Kc6 38. Qxg7 Rd1+ 39. Kc2 Rad8 40. Qg6+ Kc7 41. Qg3+ Kb6 42. Qe3+ Ka6 43. h6 R1d4 44. Kc3 Rh4 45. Qg5 Rh3+ 46. Kc2 Rd6 47. Qb5 mate.

From left: Valentina Evgenyevna Gunina, 侯逸凡 (Hóu Yìfán), and Anna Muzychuk. Photo: qipai.org.cn.

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