[Event "Palma de Mallorca Gran Torneo-03"]
[Site "Palma de Mallorca"]
[Date "1967.12.02"]
[Round "5"]
[White "Donner, Jan Hein"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. cxd5 exd5 6. Bg5 c6 7. e3 Ne4 8. Bxe7 Qxe7 9. Bd3 Nd7 10. O-O O-O 11. Qc2 Re8 12. b4 Ndf6 13. b5 c5 14. dxc5 Nxc5 15. Rac1 Nce4 16. Qb2 Be6 17. Nd4 Bd7 18. h3 Rac8 19. Nxe4 dxe4 20. Be2 Nd5 21. Rxc8 Rxc8 22. Rc1 Rxc1+ 23. Qxc1 Qb4 24. Qc4 Qxc4 25. Bxc4 Nc7 26. h4 h6 27. Kf1 Kf8 28. Ke1 Ke7 29. Kd2 Kd6 30. b6 axb6 31. Bxf7 Ke5 32. f4+ exf3 33. gxf3 g5 34. hxg5 hxg5 35. Bc4 Na6 36. Be2 Nb4 37. a3 Nd5 38. Nc2 Nf6 39. Ne1 Nd5 1/2-1/2