[Event "IBM"]
[Site "Amsterdam"]
[Date "1968.??.??"]
[Round "3"]
[White "Lengyel, Levente"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 b4 9. Ne4 Nxe4 10. Bxe4 Bb7 11. Qa4 Qb6 12. Nd2 Rc8 13. Nc4 Qa6 14. Qxa6 Bxa6 15. Bd3 c5 16. Nd6+ Bxd6 17. Bxa6 Rc7 18. Bd3 O-O 19. O-O 1/2-1/2