[Event "IBM"]
[Site "Amsterdam"]
[Date "1966.07.23"]
[Round "2"]
[White "Van Scheltinga, Theo D"]
[Black "Barendregt, Johan"]
[Result "1/2-1/2"]

1. d4 d6 2. Nf3 Bg4 3. g3 Bxf3 4. exf3 d5 5. f4 e6 6. Nd2 Nf6 7. Bg2 Be7 8. O-O O-O 9. Qe2 a6 10. Nb3 Nbd7 11. Be3 Rc8 12. c4 c5 13. Rac1 dxc4 14. Nxc5 b5 15. b4 a5 16. a3 axb4 17. axb4 Nd5 18. f5 Nxc5 19. bxc5 exf5 20. Qf3 Nxe3 21. fxe3 Bg5 22. h4 Bh6 23. Rb1 Rb8 24. Rfe1 Re8 25. Kh2 b4 26. Qxf5 Bxe3 27. Bd5 Qc7 28. Bxc4 Bxd4 29. Rxb4 Bxc5 1/2-1/2