Ree, Hans VS Bouwmeester, Hans 1968.??.??

[Event "IBM"]
[Site "Amsterdam"]
[Date "1968.??.??"]
[Round "9"]
[White "Ree, Hans"]
[Black "Bouwmeester, Hans"]
[Result "1/2-1/2"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Nf3 b6 8. a4 Ba6 9. Bxa6 Nxa6 10. O-O Ne7 11. Ng5 h6 12. Nh3 Nb8 13. Nf4 Nd7 14. Qg4 g6 15. Ba3 h5 16. Qg5 Nf5 17. a5 Rc8 18. Rab1 Qd8 19. Qxd8+ Kxd8 20. dxc5 Kc7 21. Nd3 bxa5 22. Rb5 Ra8 23. Rxa5 Nb8 24. Nb4 Ne7 25. Rb1 Nec6 26. Rb5 a6 27. Rb6 Ra7 28. f4 a5 29. Na2 Nd7 30. R6b5 Rb8 31. c4 dxc4 32. Rxb8 Ndxb8 33. Nc3 Nd4 34. c6 1/2-1/2