1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 f6 6. d3 Bg4 7. h3 Bh5 8. Be3 Bd6 9. Qd2 Ne7 10. g4 Bf7 11. Nh4 Qd7 12. f4 exf4 13. Bxf4 g5 14. Bxd6 cxd6 15. Nf5 Nxf5 16. exf5 O-O-O 17. O-O-O h5 18. Ne4 Rh6 19. Nxf6 Rxf6 20. Qxg5 Qe7 21. Rde1 Be6 22. fxe6 hxg4 23. hxg4 Re8 24. Rh7 Rf7 25. Qxe7 Rfxe7 26. Rxe7 Rxe7 27. Kd2 Kd8 28. Re4 Rg7 29. Ke3 d5 30. Rf4 Rg6 31. Rf8+ Ke7 32. Rf7+ Kxe6 33. Rxb7 Rxg4 34. Rb6 Kd6 35. Rxa6 Rg2 36. b4 Kc7 37. c3 Kb7 38. Ra5 Kb6 39. c4 dxc4 40. dxc4

Drawn with best play, per the Lichess Op1 tablebase.

40... Rb2 41. Ra4 Rh2 42. Ra8 Kb7 43. Ra5 Rh4?

43... Rh3+, 43... Kb6, or 43... Kc7=.

44. Kd3?

44. Rc5! (only move).

44... Rh3+= 45. Kd4 Rh4+ 46. Kc5 Rh5+ 47. Kd6 Rh6+ 48. Ke7 Rh7+ 49. Kf6 Rh6+ 50. Kg5 Rh2 51. c5 Rb2 52. Ra4 Rf2 53. Kg4 Rf1 54. Kg3 Rf8?

The final error. 54... Ra1 or anywhere on the first rank draws with best play; no other moves do.

55. Ra3 Rf1 56. Re3 Ra1 57. a3 Rf1 58. a4 Ra1 59. Re7+ Kb8 60. a5 Rb1 61. Re4 Kb7 62. Kf4

Only move: White is just in time.

62... Ka6 63. Ke5 Kb5 64. Kd6 Rd1+ 65. Kc7 Rh1 66. Rd4 Rh7+ 67. Rd7 Rh8 68. Kb7 Kxb4 69. Kb6 Rb8+ 70. Rb7 Rc8 71. a6

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Source(s): OlimpBase.

Event information: Match scorecard and final event table, OlimpBase (via the Wayback Machine).

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