[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1973.01.27"]
[Round "9"]
[White "Zuidema, Coen"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 d6 9. f3 Bd7 10. Qd2 Nxd4 11. Bxd4 b5 12. O-O a5 13. a3 Rb8 14. Nd5 Nxd5 15. Bxg7 Kxg7 16. Bxd5 Be6 17. Qd4+ Kg8 18. Bxe6 fxe6 19. Rfd1 Qb6 20. Qxb6 Rxb6 21. Kf2 Rc8 1/2-1/2