[Event "IBM"]
[Site "Amsterdam"]
[Date "1972.??.??"]
[Round "?"]
[White "Ree, Hans"]
[Black "Padevsky, Nikola Bochev"]
[Result "1/2-1/2"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 d5 5. O-O Bd6 6. c4 c6 7. Nbd2 O-O 8. Qc2 Ne4 9. Ne5 b6 10. cxd5 cxd5 11. Ndf3 Bb7 12. h4 Nd7 13. Bf4 Ndf6 14. Nd3 Rc8 15. Qb3 Ba6 16. Bxd6 Qxd6 17. Qa4 Bc4 18. Nfe5 Rc7 19. Rfc1 Rfc8 20. Qd1 a5 21. Qe1 Qe7 22. Nf4 Nd7 23. Nxd7 Qxd7 24. e3 Kf7 25. Qd1 g6 26. Bf1 Nf6 27. Bd3 Qb5 28. b3 Bxd3 29. Nxd3 Nd7 1/2-1/2