Hamann, Svend VS Ree, Hans 1975.??.??

[Event "IBM"]
[Site "Amsterdam"]
[Date "1975.??.??"]
[Round "4"]
[White "Hamann, Svend"]
[Black "Ree, Hans"]
[Result "1-0"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bxc6 Bxc6 8. Qd3 exd4 9. Nxd4 Bd7 10. b3 O-O 11. Bb2 Re8 12. Rae1 Bf8 13. f4 g6 14. e5 Ng4 15. Ne4 dxe5 16. h3 Nf6 17. fxe5 Nxe4 18. Qxe4 Bc5 19. Qd5 Bxd4+ 20. Bxd4 Be6 21. Qe4 Qd5 22. Qf4 Rad8 23. Bf2 b6 24. Kh2 Rd7 25. Bh4 Qc5 26. Bf6 Rd4 27. Qg5 a5 28. Rd1 Rxd1 29. Rxd1 h5 30. Rd4 Rc8 31. Qh6 Qf8 32. Qh8# 1-0