[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1971.01.27"]
[Round "13"]
[White "Ree, Hans"]
[Black "Van den Berg, Carel"]
[Result "1-0"]
1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. g3 Qb6 7. Nb3 Ne5 8. e4 Bb4 9. Qe2 Bxc3+ 10. bxc3 d6 11. f4 Ng6 12. Bg2 O-O 13. Be3 Qa6 14. c5 Qxe2+ 15. Kxe2 dxc5 16. e5 Nd5 17. Bxc5 Re8 18. c4 Nb6 19. Na5 Bd7 20. Bd6 1-0