[Event "Chigorin Memorial"] [Site "St Petersburg RUS"] [Date "2013.10.08"] [Round "4.75"] [White "Ariel Erenberg"] [Black "Oleg V Biriukov"] [Result "0-1"] [WhiteElo "2029"] [BlackElo "2328"] [ECO "E46"] [Opening "Nimzo-Indian: 4.e3 O-O"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 d5 6. a3 Be7 7. cxd5 Nxd5 8. Bd2 Nd7 9. g3 N5b6 10. Bg2 e5 11. O-O exd4 12. Nxd4 Ne5 13. Qc2 c5 14. Nde2 Qd3 15. Qc1 Rd8 16. Be1 g5 17. Be4 Qa6 18. f4 Nd3 19. Qc2 Bh3 20. Rd1 c4 21. Bg2 Bxg2 22. Kxg2 Nd5 23. Nxd5 Rxd5 24. Nd4 Bc5 25. Nf3 g4 26. Ne5 Rxe5 27. fxe5 Qc6+ 28. Kg1 Bxe3+ 29. Bf2 Nxf2 30. Rxf2 Qf3 31. Rd2 Re8 32. Qxc4 Rxe5 33. Qe2 Qxe2 34. Rxe2 Bxf2+ 35. Rxf2 Re1+ 36. Kg2 Rb1 37. Rc2 Kg7 38. h3 h5 39. hxg4 hxg4 40. Kf2 Kg6 41. b4 b6 42. Rc7 Rb2+ 43. Ke3 Rb3+ 44. Kf4 Rxa3 45. Kxg4 b5 46. Rb7 a6 47. Rb6+ f6 48. Rc6 Ra4 49. Kf3 Kf5 50. g4+ Ke5 51. Kg3 Ra3+ 52. Kf2 Ra2+ 53. Kf3 Ra1 54. Kg2 Ra4 55. Kf3 Rxb4 56. Rxa6 Rf4+ 57. Kg3 f5 58. g5 Rg4+ 59. Kf3 Kd4 60. g6 b4 61. Ke2 Rg3 62. Kd2 Rg2+ 63. Kc1 b3 64. Rb6 Kc3 65. Rc6+ Kd3 66. Rb6 b2+ 67. Kb1 f4 68. Rb3+ Ke4 69. Rb4+ Kf5 70. Rxb2 Rxb2+ 71. Kxb2 Kxg6 72. Kc2 Kg5 73. Kd3 Kg4 74. Ke2 Kg3 75. Kf1 Kf3 76. Kg1 Ke2 {#R} 0-1