[Event "Candidates Tournament"]
[Site "London"]
[Date "2013.03.15"]
[Round "1"]
[White "Ivanchuk, Vassily"]
[Black "Grischuk, Alexander"]
[Result "1/2-1/2"]
[WhiteElo "2757"]
[BlackElo "2764"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bg5 Nbd7 11. Bxf6 Nxf6 12. Nbd2 Rc8 13. Nb3 Be4 14. Qc3 Nd5 15. Qd2 c5 16. Nxc5 Bxc5 17. dxc5 Rxc5 18. Rfc1 Rxc1+ 19. Rxc1 Qa8 20. Bf1 Bxf3 21. exf3 Rc8 22. h4 h5 23. Bd3 Rxc1+ 24. Qxc1 Qd8 25. a3 g6 26. Be4 Qf6 27. Qd2 Kg7 28. f4 Nb6 29. b3 Nd5 30. Kg2 Qa1 31. Bxd5 exd5 32. Qxd5 Qxa3 33. Qe5+ Kg8 34. Qe8+ Qf8 35. Qc6 Qb4 36. f5 Qxb3 37. fxg6 Qe6 38. gxf7+ Kxf7 39. Qb7+ Kg6 40. Kf3 Qf7+ 41. Qxf7+ Kxf7 42. Ke4 a5 43. f3 a4 44. Kd3 a3 1/2-1/2