[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1971.01.12"]
[Round "1"]
[White "Olafsson, Fridrik"]
[Black "Hort, Vlastimil"]
[Result "1/2-1/2"]

1. Nf3 g6 2. d4 Nf6 3. c4 d5 4. cxd5 Nxd5 5. e4 Nb6 6. h3 Bg7 7. Nc3 O-O 8. Be2 Nc6 9. d5 Ne5 10. Nxe5 Bxe5 11. Bh6 Re8 12. a4 a5 13. O-O e6 14. f4 Bg7 15. Bxg7 Kxg7 16. Bb5 Bd7 17. dxe6 Rxe6 18. Qd4+ f6 19. Rfd1 Rd6 20. Qc5 Bxb5 21. Qxb5 Qe7 22. Re1 Rd4 23. Nd5 Qd6 24. Rac1 Nxd5 25. exd5 Rd8 26. Qxb7 Rd7 1/2-1/2