[Event "IBM"]
[Site "Amsterdam"]
[Date "1972.??.??"]
[Round "?"]
[White "Langeweg, Kick"]
[Black "Timman, Jan H"]
[Result "1/2-1/2"]

1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. Bc4 c6 5. Bb3 Nf6 6. Nbd2 O-O 7. O-O Bg4 8. Re1 c5 9. dxc5 dxc5 10. e5 Nfd7 11. e6 Ne5 12. exf7+ Kh8 13. h3 Bxf3 14. Nxf3 Qxd1 15. Rxd1 Nxf3+ 16. gxf3 Nc6 17. Bd5 Nd4 18. Bg5 e6 19. Rxd4 Bxd4 20. Bxe6 Kg7 21. Re1 Bxb2 22. Be7 Rxf7 23. Bxf7 Kxf7 24. Bxc5 Bf6 25. Re4 b5 26. a4 Rc8 27. Be3 a6 1/2-1/2