[Event "IBM"]
[Site "Amsterdam"]
[Date "1974.08.01"]
[Round "14"]
[White "Timman, Jan H"]
[Black "Donner, Jan Hein"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. Qb3 Nce7 11. O-O O-O 12. Rfe1 c6 13. a4 a5 14. Ne5 Nf5 15. Ndf3 Nd6 16. Bxd5 cxd5 17. Qxd5 Be6 18. Qc5 Rc8 19. Qa3 Nc4 20. Nxc4 Rxc4 1/2-1/2