[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1973.01.18"]
[Round "4"]
[White "Ree, Hans"]
[Black "Enklaar, Bert F"]
[Result "1/2-1/2"]

1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d6 7. Bg5 Re8 8. e3 h6 9. Bh4 e5 10. dxe5 dxe5 11. Rd1 Qe7 12. Nf3 Bg4 13. Be2 Nc6 14. h3 Bf5 15. Bxf6 Qxf6 16. b4 Qe7 17. b5 Nd8 18. c5 c6 19. O-O Rc8 20. bxc6 Nxc6 21. Rd6 e4 22. Nd4 Qe5 23. Bb5 Nxd4 24. Qxd4 Qxd4 25. exd4 Red8 26. Rxd8+ Rxd8 27. Rd1 Be6 28. c6 bxc6 29. Bxc6 Bd5 30. Bxd5 Rxd5 31. g4 Kf8 32. f3 exf3 33. Kf2 1/2-1/2