[Event "US Open-75"]
[Site "New York"]
[Date "1974.08.18"]
[Round "7"]
[White "Guala, Andres E"]
[Black "Timman, Jan H"]
[Result "0-1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Nd4 7. Nce2 Nxe2 8. Nxe2 Bxb2 9. Rb1 Bg7 10. O-O Nf6 11. h3 O-O 12. Qd2 Rb8 13. f4 b6 14. g4 Bb7 15. c4 Nd7 16. h4 Bc6 17. g5 b5 18. Ng3 bxc4 19. dxc4 Rxb1 20. Rxb1 Qc7 21. h5 Rb8 22. Rb3 Rb7 23. h6 Bh8 24. e5 dxe5 25. f5 Rxb3 26. axb3 Qb7 27. Bh3 Qxb3 28. Kh2 Qb7 29. Bxc5 e4 30. fxg6 hxg6 31. Nxe4 Be5+ 32. Kg1 Qb1+ 33. Kf2 Qxe4 0-1