[Event "Costa del Sol-11"]
[Site "Malaga"]
[Date "1971.02.10"]
[Round "8"]
[White "Timman, Jan H"]
[Black "Lacalle, Antonio"]
[Result "1-0"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nc6 7. e5 dxe5 8. fxe5 Ng4 9. Be4 Bd7 10. h3 Nh6 11. d5 Na5 12. Bf4 Rc8 13. Qc1 Nf5 14. g4 g5 15. gxf5 gxf4 16. Qxf4 f6 17. Rg1 Kh8 18. O-O-O Nc4 19. e6 Be8 20. Rxg7 Kxg7 21. Rg1+ Bg6 22. fxg6 h6 23. Nd4 Nd6 24. Ncb5 f5 25. Nxd6 cxd6 26. Nxf5+ 1-0