[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1973.01.30"]
[Round "12"]
[White "Andersson, Ulf"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. Nc3 g6 7. d4 cxd4 8. Nxd4 Bg7 9. Be3 Nf6 10. f3 O-O 11. O-O Rfc8 12. Nde2 Qd8 13. b3 a6 14. a4 Nd7 15. Rb1 Nc5 16. Qd2 Rab8 17. Rfd1 Qf8 18. Nf4 Nb4 19. Nce2 Nc6 20. a5 Qd8 21. b4 Na4 22. c5 Ne5 23. Qa2 Qe8 24. Ra1 Nb2 25. Rdb1 Nbd3 26. cxd6 Nxf4 27. Bxf4 exd6 28. Rd1 Qb5 1/2-1/2