[Event "IBM-17 Grootmeestergroep A"]
[Site "Amsterdam"]
[Date "1977.06.??"]
[Round "4"]
[White "Timman, Jan H"]
[Black "Tatai, Stefano"]
[Result "1-0"]
[WhiteElo "2590"]
[BlackElo "2480"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7 6. d4 Na5 7. Nxe5 Nxc4 8. Nxc4 d5 9. exd5 Qxd5 10. Ne3 Qa5 11. O-O Nf6 12. c4 O-O 13. d5 b5 14. Nd2 bxc4 15. Ndxc4 Qa6 16. Bb2 Re8 17. Rc1 Rb8 18. Be5 Rb7 19. Re1 Bd7 20. d6 cxd6 21. Bxf6 gxf6 22. Nd5 Be6 23. Rc3 Kh8 24. Nxe7 Rexe7 25. Qd4 Kg7 26. Rg3+ Kf8 27. Qxf6 Ke8 28. Ne5 1-0