侯逸凡 (Hóu Yìfán) – Anna Olehivna Muzychuk
5th North Urals Cup; Krasnoturinsk, July 22, 2007
Sicilian Defence B43
Notes by Woman Grandmaster Tatiana Valeryevna Grabuzova, ChessPro.ru.
5th North Urals Cup; Krasnoturinsk, July 22, 2007
Sicilian Defence B43
Notes by Woman Grandmaster Tatiana Valeryevna Grabuzova, ChessPro.ru.
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Bb7
7. 0-0 d6 8. Re1 Be7 9. a4 b4 10. Na2 Nf6 11. Bd2 a5 12. Bb5+TN (Ed. Note: 12. c3
bxc3 13. Bb5+ Nbd7 14. Nxc3 Rc8 15. Qf3 0-0 16. Qg3 Ne5
17. Rad1 Nfg4 18. Nf3 f5 19. Bf4 Nxf3+ 20. Qxf3 Nf6 21. Qh3
Nxe4 22. Nxe4 Bxe4 23. Rxe4 fxe4 24. Qxe6+ Kh8 25. Qxe4 Rc5
26. Re1 Bg5 27. Bg3 Qf6 28. Bd3 g6 29. f3 Rc1 30. h4 Bd2
31. Rxc1 Bxc1 32. b4 axb4 33. Qxb4 Be3+ 34. Kh1 Bf4 35. Bf2
Rc8 36. g3 Be5 37. f4 Bc3 38. Qb7 Re8 39. Qd5 Qe6 40. Bd4+ Kg8
41. Qxe6+ Rxe6 42. Bxc3 Re3 43. Bc4+ Kf8 44. Bf6 Rxg3 45. Kh2
Rf3 46. Bg5 Ra3 47. Bb5 Kf7 48. Kg2 Ke6 49. Bd8 Kf5 50. Bc7 d5
51. a5 Ke4 52. a6 d4 53. Bb6 d3 54. Kf2 Ra1 55. a7 d2 56. Be2
Kxf4 57. Bd4 Ra2 58. Bd1 Ke4 59. Bb6 Kd3 60. Bc5 Ra1 61. Bb6 ½ : ½ Houska – A. O. Muzychuk, 7th European Individual Women’s Chess Championship, Kuşadası 2006) 12. ... Nbd7 13. Nc6 Bxc6 14. Bxc6 Rc8 15. Bb5 0-0 16. c3 bxc3
17. Bxc3 Nc5 18. Qf3 Qb6 19. Rad1 Rfd8 20. Qg3 h6 21. Nc1 Nh5
22. Qf3 Nf6 23. Nd3 Nxd3 24. Rxd3 d5 25. Bd4 Qc7 26. exd5 Rxd5
27. Rc3 Qd8 28. Rxc8 Qxc8
29. Qc3?! More reliable is 29. Bc3. 29. ... Qd8! 30. Bxf6 (30. Be3? Bb4) 30. ... Bxf6 31. Qc1
Rd2 32. b3 Bb2 33. Qc6 Bd4. As usual, in the middlegame opposite-coloured Bishops favour the attacker. 34. Rf1 Qf6 35. Qa8+ Kh7 36. Qe4+. In my opinion, White should try to reduce Black’s attacking force on the Kingside and, regardless of the possibility of doubled Pawns, offer the exchange of Queens with 36. Qf3!?. 36. ... g6 37. Be2 (37. Qf3). 37. ... Rb2. The b3-Pawn is doomed. 38. Bf3 Rxb3 39. Rd1. Black gave up something of her dynamic potential in order to gain an extra Pawn, but White’ situation is still not much improved — in an opposite-coloured Bishops middlegame.
After 39. ... Rb4 40. Qc6 Rb2. The f2-Pawn is inevitably lost as well. 41. Kh1. 41. Rf1 is not sufficient because of the simple 41. ... Bxf2+. 41. ... Rxf2. And after 34 moves Black realised her material advantage. 42. Qe4 Be5 43. Kg1 Rb2 44. Rf1 Rb4 45. Qe2 Qf4 46. g3
Qd4+ 47. Kh1 Rb2 48. Qe1 Ra2 49. Bg2 Kg7 50. Qxa5 Rxa4 51. Qb5
Ra1 52. Rxa1 Qxa1+ 53. Bf1 h5 54. Kg2 Qa8+ 55. Kh3 Qe4 56. Bd3
Qe3 57. Be2 Bd4 58. Qd3 Qe5 59. Bf3 Be3 60. Kg2 Bg5 61. Qe2
Qc5 62. Qe4 Bf6 63. Be2 Qb6 64. Bf3 Qd8 65. Be2 Qd2 66. Qd3
Qe1 67. Qd1 Qb4 68. Qd3 Bd4 69. Qc4 Qb2 70. Kh3 Qa1 71. Qd3
Qg1 72. Qe4 e5 73. Qb7 Qe3 74. Bc4 Qf2
75. Qe7. Ed. Note: The final mistake, losing on the spot. 75. ... Qf5+ 0 : 1.