[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1973.01.28"]
[Round "10"]
[White "Langeweg, Kick"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. c4 g6 5. O-O Bg7 6. Nc3 O-O 7. a3 d5 8. cxd5 Nxd5 9. Nxd5 Qxd5 10. d3 b6 11. Be3 Bb7 12. Qa4 Qd7 13. Rab1 Rfd8 14. Rfe1 Nd4 15. Qxd7 Rxd7 16. Nxd4 cxd4 17. Bxb7 1/2-1/2