[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1972.01.13"]
[Round "3"]
[White "Ree, Hans"]
[Black "Hartoch, Robert G"]
[Result "1/2-1/2"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6 6. Nf3 Bg7 7. O-O O-O 8. d3 Nc6 9. Be3 h6 10. Rc1 Be6 11. Qd2 Kh7 12. Ne4 Nd5 13. Nc5 Bc8 14. Rc4 Nxe3 15. fxe3 Rb8 16. Rfc1 Ne5 17. Nxe5 Bxe5 18. Qa5 b6 19. Qxa7 c6 20. Ne4 Be6 21. Rxc6 Bd5 22. d4 Bxd4 23. exd4 Bxe4 24. R6c4 1/2-1/2