Timman, Jan H VS Popov, Luben 1973.02.28

[Event "Tallinn"]
[Site "Tallinn"]
[Date "1973.02.28"]
[Round "7"]
[White "Timman, Jan H"]
[Black "Popov, Luben"]
[Result "1/2-1/2"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. e4 Nd4 7. Nce2 Nxe2 8. Nxe2 c5 9. O-O Ne7 10. Rb1 a5 11. f4 exf4 12. Bxf4 Nc6 13. Qd2 Be6 14. Bg5 Qd7 15. Bf6 O-O 16. b3 Bg4 17. Nc3 Be6 18. Nb5 Bxf6 19. Rxf6 Qe7 20. Rbf1 Rad8 21. d4 cxd4 22. Nxd4 Nxd4 23. Qxd4 a4 24. h4 h5 25. Kh2 axb3 26. axb3 Qc7 27. Bh3 Bxh3 28. Kxh3 Qc5 29. Qd3 Qe5 30. Qf3 Rde8 31. Rf4 Re7 32. Rd1 Ra8 33. Rd2 Ra1 34. Rf2 Rc1 35. Kh2 Rc3 36. Qd1 Re3 37. b4 Rc3 38. Rc2 Rxc2+ 39. Qxc2 Qd4 40. b5 Kg7 41. Kg2 Rc7 42. e5 Qxe5 43. Re4 Qf6 44. Rf4 Qe5 45. Re4 Qxb5 46. Qc3+ Kg8 47. cxb5 Rxc3 48. Re7 Kg7 49. Rxb7 Kf6 50. b6 Rb3 51. Kf2 Ke6 52. Kg2 f6 53. Rg7 Kf5 54. b7 d5 55. Kf2 g5 56. hxg5 fxg5 57. Ke2 Kg4 58. Kd2 d4 59. Ke2 h4 60. gxh4 Kxh4 61. Kd2 g4 62. Kc2 Rb4 63. Kd3 g3 64. Rh7+ Kg4 65. Rg7+ Kf3 66. Rf7+ Kg2 67. Rg7 Kf2 68. Rf7+ Kg1 69. Rg7 g2 70. Rf7 1/2-1/2