[Event "Costa del Sol-11"]
[Site "Malaga"]
[Date "1971.02.06"]
[Round "4"]
[White "Timman, Jan H"]
[Black "Bisguier, Arthur Bernard"]
[Result "0-1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Nd5 e4 6. Nh4 Bc5 7. Bg2 d6 8. d3 exd3 9. Qxd3 Ne5 10. Qc2 c6 11. Nxf6+ Qxf6 12. O-O Be6 13. b3 Nxc4 14. Bf4 Ne5 15. b4 Bb6 16. a4 Nc4 17. a5 Bxf2+ 18. Kh1 g5 19. Bxg5 Qxg5 20. Rxf2 Qe5 21. Rc1 Ne3 22. Qc3 Qxc3 0-1