[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1975.01.25"]
[Round "10"]
[White "Popov, Luben"]
[Black "Langeweg, Kick"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Qa4+ Nc6 7. Bg5 h6 8. Bxf6 Qxf6 9. e3 O-O 10. Be2 Be6 11. O-O a6 12. Rfc1 Bd6 13. Qd1 Ne7 14. Na4 b6 15. a3 Rfb8 16. b4 c6 17. Nb2 1/2-1/2