荷兰 (Netherlands)

Pentala Harikrishna – 侯逸凡 (Hóu Yìfán)
75th Tata Steel Chess Tournament; Wijk aan Zee, January 23, 2013
Sicilian Defence B81

Notes by Jan van Reek.

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g4 h6 7. h4 e5 8. Nf5 Nc6 9. Bg2 g6 10. Ne3 Be6!? 11. Ncd5! Bxd5 12. exd5 Ne7 13. Qe2 Bg7 14. Qb5+ Qd7 15. Qxd7+ Nxd7 16. Bd2 Rc8 17. Bb4!? Nc5 18. 0-0-0 0-0 19. h5 Bf6! 20. Kb1 Kg7 21. Nf1!? Bg5 22. Ng3 b6. Black has equalised.
23. Bxc5 bxc5 24. Ne4 Rcd8 25. hxg6 fxg6 26. Rh3 Rf4. She takes the initiative.
27. Ra3 Rxg4 28. Bf3 Rf4 29. Rxa7 Rxf3 30. Nxg5 hxg5 31. Rxe7+ Kf6 32. Re6+! Kf5 33. Rd2. White has saved Pawn f2.
33. ... g4 34. c3? Correct is 34. a4! c4 35. Re2 Rh3 36. Kc1 c3 37. bxc3 Rxc3 (Ftáčnik) 38. Re7 and Black has little advantage.
34. ... Kg5?! 34. ... Rh8 35. Rxd6 Rh2 wins for Black.
35. Re2 Rdf8 36. Rxd6 Rxf2!? 37. Rxe5+ R8f5 38. Re3 R5f3 39. Re5+ Rf5 40. Re3 R2f3!? 41. Ree6 Rf6 42. Re5+ R3f5 43. Rxf6 Rxe5 44. Rf1 Rxd5 45. Kc2

45. ... Rf5?! 45. ... g3! 46. b4 cxb4 47. cxb4 Kg4 wins for Black.
46. Rg1 c4 47. Kd2 Rf2+! 48. Ke3 Rxb2 49. Ra1 g3! 50. Kf3 g2 51. Kg3 Rxa2! 52. Rb1 Kf5 53. Kh2 Ke4 54. Rd1 Kf3 55. Rd6 Ra5! 0–1. The [...] world champion among women played a fine Rook ending.