[Event "IBM"]
[Site "Amsterdam"]
[Date "1974.07.16"]
[Round "1"]
[White "Timman, Jan H"]
[Black "Kaplan, Julio P"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Ba5 9. cxd5 exd5 10. dxc5 Bxc3 11. bxc3 Qa5 12. Qc2 Qxc5 13. a4 Re8 14. Ba3 Qa5 15. Rab1 Qc7 16. c4 dxc4 17. Bxc4 Be6 18. Bxe6 Rxe6 19. Rfd1 Qc8 20. Rb5 h6 21. Nh4 Re4 22. Nf5 Qe6 23. Nd6 Nd4 24. Qd3 Nxb5 25. Nxe4 Nxa3 26. Nxf6+ Qxf6 27. Qxa3 1/2-1/2