[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1970.01.29"]
[Round "14"]
[White "Cortlever, Nicolaas"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 d6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Nf6 6. h3 e6 7. g4 b5 8. Bg2 Bb7 9. g5 Nfd7 10. f4 Nc5 11. b4 Ncd7 12. O-O Nb6 13. a4 Qc7 14. Qd3 bxa4 15. Nxa4 N8d7 16. Nxb6 Nxb6 17. f5 e5 18. Nb3 Nc4 19. Nc5 dxc5 20. Qxc4 Bd6 21. Ba3 1/2-1/2