[Event "Zonal Helsinki"]
[Site "Helsinki"]
[Date "1972.??.??"]
[Round "12"]
[White "Timman, Jan H"]
[Black "Westerinen, Heikki MJ"]
[Result "1-0"]

1. c4 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O Bg4 8. d5 Na5 9. b3 c6 10. Bb2 Rc8 11. Qd2 a6 12. dxc6 Nxc6 13. Nd5 Nxd5 14. Bxg7 Kxg7 15. cxd5 Bxf3 16. exf3 Ne5 17. f4 Nd7 18. Rac1 Nf6 19. Rxc8 Qxc8 20. Rc1 Qd7 21. Qc3 Rd8 22. a4 Kg8 23. Qc7 Kf8 24. h4 Qxc7 25. Rxc7 Rb8 26. b4 Ke8 27. Bf3 Kd8 28. Rc1 Rc8 29. Rxc8+ Kxc8 30. g4 Nd7 31. a5 b6 32. Be2 Kb7 33. g5 bxa5 34. bxa5 Nc5 35. f5 Nb3 36. fxg6 fxg6 37. Bd3 Nc5 38. Bc2 e6 39. h5 gxh5 40. Bxh7 exd5 41. Bf5 1-0