[Event "Corus-B"]
[Round "9"]
[Site "Wijk aan Zee"]
[Date "2009.01.27"]
[White "Efimenko, Zahar"]
[WhiteElo "2688"]
[Black "Hou, Yifan"]
[BlackElo "2571"]
[Result "1/2-1/2"]
[ECO "B80"]
[Opening "Sicilian Defence, Scheveningen Variation"]
 1. e4   c5
 2. Nf3  d6
 3. d4   cxd4
 4. Nxd4 Nf6
 5. Nc3  e6
 6. Be3  a6
 7. Be2  Be7
 8. O-O  Qc7
 9. f4   O-O
10. a4   b6
11. Bf3  Bb7
12. f5   e5
13. Nde2 Rd8
14. Ng3  Nbd7
15. Rf2  Bc6
16. Nd5  Bxd5
17. exd5 b5
18. b3   Re8
19. Rd2  h6
20. h3   Nh7
21. Ne4  Ndf6
22. Re2  Nxe4
23. Bxe4 Nf6
24. Qd3  Rec8
25. Bf2  Qa5
26. Kh2  Bd8
27. Be1  b4
28. Rc1  Nh5
29. g3   Nf6
30. Bg2  Bb6
31. c4   Bd4
32. Bd2  Qb6
33. Rf1  Re8
34. Be4  a5
35. g4   Kf8
36. Kg2  Ke7
37. Kf3  Kd7
38. Rg2  Rh8
39. Ke2  Rac8
40. h4   Qc5
41. Kd1  Qb6
42. Kc2  Qc5
43. Kb1  Rce8
44. Qf3  Kd8
45. Bc1  Qc7
46. Rh1  Qc5
47. Qe2  Qc7
48. Re1  Bc3
49. Rd1  Bd4
50. Bc2  Nd7
51. g5   h5
52. Ka2  Nc5
53. Qf1  Qd7
54. Re2  Qc7
55. Qg2  
1/2-1/2