[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1972.01.22"]
[Round "10"]
[White "Ivkov, Borislav"]
[Black "Timman, Jan H"]
[Result "1-0"]

1. Nf3 g6 2. c4 Bg7 3. e4 d6 4. d4 Nf6 5. Nc3 O-O 6. Be2 e5 7. d5 Nbd7 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5 11. h4 Nxg3 12. fxg3 gxh4 13. Nxh4 Qg5 14. Bg4 Qe3+ 15. Qe2 Qxg3+ 16. Kd1 f5 17. Nxf5 Nf6 18. Nxg3 Bxg4 19. Rh4 Bxe2+ 20. Kxe2 a6 21. Rah1 Kh7 22. Nd1 b5 23. Ne3 bxc4 24. Nxc4 Rab8 25. b3 a5 26. Rc1 Rb4 27. Ne3 Rf7 28. Rc4 Kg6 29. Kd3 h5 30. Rxb4 axb4 31. Ngf5 Bh6 32. Nxh6 Kxh6 33. Rh1 Kg5 34. Rf1 Rf8 35. Rc1 Nd7 36. Nf5 Nc5+ 37. Ke3 Nxe4 38. Kxe4 Rxf5 39. Rxc7 Rf4+ 40. Ke3 Rd4 41. Rb7 Kf5 42. Rb6 Rxd5 43. Rxb4 Rd1 44. a4 Ra1 45. Rb5 Ke6 46. a5 d5 47. Rb6+ Kf5 48. a6 h4 49. Rd6 d4+ 50. Kd3 Rc1 51. b4 Rc3+ 52. Kd2 Rb3 53. Rd8 Ra3 54. b5 Ke4 55. b6 Ra2+ 56. Kc1 Ra1+ 1-0