[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1972.01.14"]
[Round "4"]
[White "Donner, Jan Hein"]
[Black "Hartoch, Robert G"]
[Result "1-0"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e6 8. O-O exd5 9. cxd5 Re8 10. Nd2 Nbd7 11. h3 g5 12. Nc4 Nxe4 13. Nxe4 Rxe4 14. Bd3 Rh4 15. Nxd6 Ne5 16. Nf5 c4 17. Bc2 Bxf5 18. Bxf5 Rd4 19. Qc2 Nd3 20. Be3 Rxd5 21. Be4 Nxb2 22. Bxh7+ Kh8 23. Be4 Rd7 24. Qe2 Nd3 25. Qh5+ Kg8 26. Qh7+ Kf8 27. Bxd3 cxd3 28. Bc5+ Re7 29. Rae1 1-0