[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1970.01.24"]
[Round "10"]
[White "Donner, Jan Hein"]
[Black "Westerinen, Heikki MJ"]
[Result "0-1"]
1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O Bg4 8. d5 Na5 9. Nd2 c5 10. Qc2 a6 11. h3 Bd7 12. b3 e5 13. Bb2 Nh5 14. e4 b5 15. Ne2 Rb8 16. Bc3 f5 17. f4 exf4 18. Bxg7 Nxg7 19. Nxf4 Qf6 20. cxb5 Bxb5 21. Rfe1 g5 22. Nd3 Nh5 23. a4 Qd4+ 24. Nf2 Be2 25. exf5 Nxg3 26. Rab1 Rxf5 0-1