[Event "Helsinki Helsingin Sanomat"]
[Site "Helsinki"]
[Date "1981.03.21"]
[Round "5"]
[White "Ristoja, Thomas W"]
[Black "Raaste, Eero J"]
[Result "1/2-1/2"]
[WhiteElo "2360"]
[BlackElo "2390"]

1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Nfd7 5. d4 c5 6. dxc5 Bxc5 7. Bd3 Nc6 8. Bf4 f6 9. exf6 Qxf6 10. Bg3 O-O 11. O-O Nde5 12. Nxe5 Nxe5 13. Bxh7+ Kxh7 14. Qh5+ Kg8 15. Qxe5 Qxe5 16. Bxe5 Rf5 17. Bg3 Bd7 18. Nd1 d4 19. Re1 e5 20. Kh1 Re8 21. f3 e4 22. fxe4 Rxe4 23. Nf2 Rxe1+ 24. Rxe1 Bd6 25. Nd3 Bxg3 26. hxg3 Bb5 27. Rd1 Bxd3 28. Rxd3 Rf2 29. Rxd4 Rxc2 30. Rb4 b6 1/2-1/2