[Event "NED-ch26"]
[Site "Leeuwarden"]
[Date "1971.04.09"]
[Round "5"]
[White "Andriessen, Wim"]
[Black "Timman, Jan H"]
[Result "0-1"]

1. Nf3 g6 2. g3 Bg7 3. c4 c5 4. Bg2 Nc6 5. Nc3 e6 6. O-O Nge7 7. d3 O-O 8. Bf4 e5 9. Bg5 h6 10. Bxe7 Nxe7 11. Nd2 d6 12. Rb1 Nc6 13. a3 a5 14. Nd5 Be6 15. Ne4 f5 16. Nec3 Rf7 17. e3 g5 18. f4 exf4 19. gxf4 g4 20. Qc2 h5 21. b4 axb4 22. axb4 h4 23. h3 gxh3 24. Bxh3 Bxc3 25. Qxc3 Bxd5 26. cxd5 Nxb4 27. e4 Qf6 28. Qxf6 Rxf6 29. Bxf5 Nxd5 30. Rxb7 Ne3 31. Rf2 Rxf5 32. Re2 Ra1+ 33. Kf2 Ng4+ 34. Kf3 Rg1 35. Ra2 Rg3+ 0-1