[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1968.01.16"]
[Round "6"]
[White "Ree, Hans"]
[Black "Gheorghiu, Florin"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 d6 3. Nc3 Bf5 4. Nf3 Nbd7 5. g3 e5 6. Bg2 c6 7. O-O h6 8. b4 e4 9. Nd2 d5 10. b5 Bb4 11. Qb3 Qa5 12. Bb2 O-O 13. a3 1/2-1/2