Stoyan Or Stoyanov vs Vasyl Ivanchuk (GAME 4)

Played in Sofia, Bulgaria.
[Event "?"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "*"]
1. d4 d5 2. Nf3 Nf6 3. g3 c6 4. Bg2 Bf5 5. Nh4 Be4 6. f3 Bg6 7. Nxg6 hxg6 8. e4
dxe4 9. fxe4 e5 10. Be3 exd4 11. Qxd4 Nbd7 12. Qd2 Bc5 13. Nc3 Bxe3 14. Qxe3 Qb6
15. Qxb6 axb6 16. Bf3 b5 17. Ke2 b4 18. Nd1 Ke7 19. Nf2 Ra4 20. Nd3 Rha8 21. b3
Rxa2 22. Rxa2 Rxa2 23. Nxb4 Ra5 24. Nd3 Ne5 25. b4 Rb5 26. c3 Nxd3 27. Kxd3 Nd7
28. Be2 Rb6 29. Kd4 c5+ 30. bxc5 Rb2 31. Bd3 Rd2 32. Ke3 Ra2 33. Kd4 Ra5 34. Rb1
Nxc5 35. Rb5 Ne6+ 36. Ke3 Rxb5 37. Bxb5 Kd6 38. Be8 Ke7 39. Bb5 f6 40. Bc4 Nc5
41. h4 Kd6 42. Kd4 Nd7 43. Bf7 Ne5 44. Be8 g5 45. hxg5 Nf3+ 46. Ke3 Nxg5 47. Kf4
Ke7 48. Ba4 Nf7 49. Bb3 Ne5 50. Bd5 b6 51. Ke3 Kd6 52. Kd4 Nd7 53. Ba2 Nb8 54.
Bd5 Na6 55. Ba8 Nc7 56. Bb7 Ne6+ 57. Kc4 Ng5 58. Kb5 Kc7 59. Bd5 Nf3 60. Be6 Nd2
61. Bd5 Nf1 62. g4 Nd2 63. Ba8 Nf3 64. Bd5 Ne5 65. Be6 Nd3 66. Kc4 Nc5 67. Bf5
Kc6 68. Bg6 Nb7 69. Be8+ Kd6 70. Kb5 *