[Event "Dortmunder Schachtage-03"]
[Site "Dortmund"]
[Date "1975.04.05"]
[Round "4"]
[White "Westerinen, Heikki MJ"]
[Black "Bachmann, Karlheinz"]
[Result "1-0"]

1. e4 c5 2. Nf3 g6 3. c4 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nc3 Qa5 8. Nb3 Qd8 9. Be2 O-O 10. O-O d6 11. f3 Be6 12. Nd5 Re8 13. Qd2 Rc8 14. a4 Bd7 15. a5 e6 16. Nc3 Ne5 17. Qxd6 Nxc4 18. Bxc4 Rxc4 19. Bxa7 Qc8 20. Rfd1 Bf8 21. Qd2 Bc6 22. Nd4 Nh5 23. b3 Rc5 24. Nce2 e5 25. Nxc6 Rxc6 26. Rac1 Qa8 27. Bb6 Rd6 28. Qc2 Rc6 29. Qd3 Rxc1 30. Rxc1 Rc8 31. Rd1 Bc5+ 32. Bxc5 Rxc5 33. Qd8+ Qxd8 34. Rxd8+ Kg7 35. Rd5 Rc2 36. Kf1 Rxe2 37. Kxe2 Nf4+ 38. Ke3 Nxd5+ 39. exd5 f5 40. b4 Kf7 41. b5 1-0