[Event "Dortmunder Schachtage-08"]
[Site "Dortmund"]
[Date "1980.07.05"]
[Round "5"]
[White "Westerinen, Heikki MJ"]
[Black "Portisch, Ferenc"]
[Result "1/2-1/2"]
[WhiteElo "2470"]
[BlackElo "2470"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Be2 cxd4 7. O-O Be7 8. Nb3 Bf6 9. Nfxd4 Nge7 10. c3 O-O 11. Bf4 a6 12. Qd2 Ng6 13. Bg3 Qb6 14. Rac1 h6 15. Rc2 Nce5 16. Rd1 Bd7 17. Qe1 Ba4 18. Bh5 Rfe8 19. Re2 Nc4 20. Rb1 Rxe2 21. Qxe2 Re8 22. Qd1 Bxd4 23. Qxd4 Qxd4 24. Nxd4 Nxb2 25. f4 Nd3 26. Rxb7 Rc8 27. Bxg6 fxg6 28. Ne6 Rxc3 29. h4 Nc5 30. Rxg7+ Kh8 31. Rc7 Ne4 32. Bf2 Rxc7 33. Nxc7 Bb5 34. Nxd5 Bc4 35. Nc7 Kg8 36. a3 Kf7 37. Bd4 h5 38. Na8 Ng3 39. Nb6 Be6 40. Kh2 Nf1+ 41. Kg1 Ng3 1/2-1/2