[Event "Chigorin Memorial"]
[Site "St. Petersburg RUS"]
[Date "2012.10.27"]
[EventDate "2012.10.27"]
[Round "?"]
[Result "1/2-1/2"]
[White "Denis Pershin"]
[Black "Lajos Portisch"]
[ECO "B43"]
[WhiteElo "2100"]
[BlackElo "2495"]
[PlyCount "145"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6
7. O-O Bc5 8. Kh1 d6 9. a3 Nc6 10. Nb3 Ba7 11. Bf4 Ne5 12. Bg3
h5 13. h3 Bd7 14. Bh2 O-O-O 15. f4 Nc4 16. Bxc4 Qxc4 17. Qd3
Qxd3 18. cxd3 Bc6 19. Na5 Kd7 20. Nxc6 bxc6 21. e5 Ne8 22. Ne4
f6 23. Bg1 Bxg1 24. Kxg1 f5 25. Nxd6 Nxd6 26. exd6 Kxd6
27. Rfe1 Rb8 28. b4 Rb5 29. Rac1 a5 30. bxa5 Rxa5 31. Rc3 Rha8
32. Ra1 Ra4 33. g3 h4 34. Kf2 hxg3+ 35. Kxg3 R8a5 36. Rac1 Ra6
37. Ra1 c5 38. Kf3 R6a5 39. Ke3 Kd5 40. Ra2 e5 41. fxe5 Rh4
42. Rh2 g5 43. Kf3 Kxe5 44. Re2+ Kd4 45. Rc4+ Kxd3 46. Rxh4
gxh4 47. Re5 Kd4 48. Rxf5 Rxa3+ 49. Kg4 c4 50. Rf4+ Kc5
51. Kxh4 c3 52. Rf2 Kd4 53. Kg5 Ra5+ 54. Kg6 Ke3 55. Rh2 Ra6+
56. Kg5 Rc6 57. Rc2 Rc5+ 58. Kg6 Kf4 59. h4 Kg4 60. Kf6 Kf4
61. h5 Rc6+ 62. Kf7 Kf5 63. h6 Rc7+ 64. Kf8 Kg6 65. Ke8 Kxh6
66. Kd8 Rc4 67. Kd7 Kg5 68. Kd6 Kf4 69. Kd5 Rc8 70. Kd4 Rd8+
71. Kxc3 Rc8+ 72. Kd2 Rxc2+ 73. Kxc2 1/2-1/2