1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. dxc5 d4 7. Na4 b5 8. cxb6 axb6 9. e3 Bb4+ 10. Bd2 Qe7 11. Bb5 Bd7 12. O-O Bxd2 13. Qxd2 dxe3 14. fxe3 Ra5 15. Bxc6 Bxc6 16. Nxb6 Rb5 17. Qd4 Qf6 18. Rac1 Ne7 19. Nc4 O-O 20. Qxf6 gxf6 21. Nd4 Rg5 22. Nxc6 Nxc6 23. Rxf6 Nb4 24. Nd6 Nxa2 25. Rc7 Rg7 26. Nf5 Rg5 27. Nh6+ Kg7 28. Rfxf7+ Rxf7 29. Nxf7 Rd5 30. Nd6+ Kg6 31. Rc6 Kg7 32. Rb6 Nc1 33. b4 Rd2 34. Nf5+ Kf7 35. Nd4 Nd3 36. g3 Ne5 37. b5 Ng4 38. Rb7+ Kg6 39. Rb6+ Kf7 40. Rb7+ Kg6 41. Rb6+ Kf7 42. Nf5 Nxh2 43. Rh6 Nf3+ 44. Kf1 Nh2+ 45. Ke1 Nf3+ 46. Kf1 Nh2+ 47. Kg1 Nf3+ 48. Kh1 Rb2 49. b6 Ng5 50. b7 Rxb7 5 1. Nd6+ Kg7 52. Rxh7+ Nxh7 53. Nxb7 Kf6 54. Kg2?

54. Kg1 and 54. Nc5 are the only moves that win (Nalimov tablebases).

54... Ke5?

54... Kf5 and 54... Ng5 are the only moves that draw.

55. Kf2 Ng5 56. Nc5

(Only move.)

56... Kf5 57. Kg2

Mutual zugzwang: with White to move, the position is drawn with best play.

57... Kg4 58. e4

Mutual zugzwang.

58... Nf3 59. Nd7?

59. Nd3 (only move).

59... Nd2= 60. e5 Kf5 61. Kh3 Ke6 62. Nc5+ Kxe5 63. Kg4 Kf6 64. Kf4 Kg6 65. g4 Nc4 66. Ne4 Nb6 67. Ke5 Nd7+ 68. Ke6 Nc5+ 69. Ke5 Nd7+ 70. Ke6 Nc5+ 71. Kd5

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Event information: Tournament report.