[Event "Olympiad-20 Preliminaries G"]
[Site "Skopje"]
[Date "1972.09.22"]
[Round "4"]
[White "Hamilton, Douglas Gibson"]
[Black "Timman, Jan H"]
[Result "0-1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Nc6 6. Be2 Qc7 7. f4 b5 8. Nxc6 Qxc6 9. Bf3 Bb7 10. Be3 Rc8 11. e5 Qc7 12. O-O Ne7 13. a3 Nf5 14. Bf2 Bxf3 15. Qxf3 h5 16. Rad1 d6 17. exd6 Bxd6 18. Rfe1 Be7 19. Qe4 O-O 20. Rd3 g6 21. g3 Rfd8 22. Red1 Rxd3 23. Rxd3 Qc6 24. Qe5 Qc7 25. Qe2 Bf6 26. Qd2 Qc6 27. h3 a5 28. Qe2 b4 29. axb4 axb4 30. Ne4 Bxb2 31. g4 hxg4 32. hxg4 Ne7 33. c4 bxc3 34. Nf6+ Kg7 35. Nh5+ Kf8 36. Bd4 c2 37. Bxb2 c1=Q+ 38. Bxc1 Qxc1+ 39. Rd1 Qc5+ 0-1