[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1973.01.22"]
[Round "6"]
[White "Hort, Vlastimil"]
[Black "Zuidema, Coen"]
[Result "1/2-1/2"]
1. c4 Nf6 2. Nf3 c6 3. b3 d5 4. Bb2 Bf5 5. g3 e6 6. Bg2 Be7 7. O-O h6 8. d3 O-O 9. Nbd2 Bh7 10. Qc2 Nbd7 11. Rad1 Qb8 12. e4 dxe4 13. dxe4 a5 14. Rfe1 Nc5 15. Ne5 Rd8 16. Qc3 Ne8 17. Ba3 Qc7 18. Bxc5 Bxc5 19. Nd3 Bd4 20. Qc2 c5 21. Nf3 Nf6 22. Nf4 e5 23. Nxd4 Rxd4 1/2-1/2