[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1972.01.14"]
[Round "4"]
[White "Langeweg, Kick"]
[Black "Smejkal, Jan"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Bd2 O-O 7. Rc1 Nc6 8. e4 Nxc3 9. Bxc3 Bg4 10. d5 Ne5 11. Be2 Nxf3+ 12. Bxf3 Bxc3+ 13. Rxc3 Bxf3 14. Qxf3 Rc8 15. O-O c6 16. Rfc1 1/2-1/2