[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1975.01.21"]
[Round "7"]
[White "Timman, Jan H"]
[Black "Popov, Luben"]
[Result "0-1"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. g3 d6 5. Bg2 Nf6 6. O-O Be7 7. e5 dxe5 8. Nxe5 Nbd7 9. Nc4 Nb6 10. b3 Nbd5 11. a4 b6 12. Nxd5 Nxd5 13. Bb2 f6 14. Qh5+ g6 15. Qe2 O-O 16. a5 b5 17. Nb6 Ra7 18. Nxc8 Qxc8 19. Rfe1 Kf7 20. c4 bxc4 21. bxc4 Nb4 22. d4 Nc6 23. d5 exd5 24. Bxd5+ Kg7 25. Qe4 Nb4 26. Ra3 Bd6 27. Rae3 Qd8 28. Qf3 Nc2 29. Rd1 Nxe3 30. Qxe3 Re7 31. Qd2 Be5 32. Bc1 Bd4 33. Qh6+ Kh8 34. Bf3 Rfe8 35. Bd2 Qc8 36. Kg2 Qf5 37. h4 Qc2 38. h5 g5 39. Be3 Rxe3 40. Rxd4 Rxf3 41. Kxf3 Qf5+ 0-1