[Event "Erik Olson Memorial 1967/68"]
[Site "Gothenburg SWE"]
[Date "1968.01.04"]
[EventDate "1967.12.26"]
[Round "9"]
[Result "0-1"]
[White "Heikki MJ Westerinen"]
[Black "Rolf Martens"]
[ECO "B40"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "62"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8.  Nxc3 d5 9. exd5 exd5 10. Bd3 O-O 11. Bf4 h6 12. O-O d4 13. Nb5 Nd5 14. Bd6 a6  15. c4 axb5 16. Bxf8 bxc4 17. Bxg7 cxd3 18. Bxh6 Qh4 19. Qd2 f6 20. Rae1 Bf5  21. Qc1 Ne5 22. Qc5 Rd8 23. Bd2 Nf3+ 24. gxf3 Qh5 25. Qxd4 Kf7 26. Bf4 Qxf3 27.  Bg3 d2 28. Qh4 dxe1=Q 29. Rxe1 Ne3 30. fxe3 Be4 31. Qh3 Rd2 0-1