[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1973.01.27"]
[Round "9"]
[White "Donner, Jan Hein"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Nbd7 11. h3 a6 12. a4 g5 13. Qc2 Ne5 14. Nd1 Nfd7 15. Ne3 Nf8 16. Ndc4 Nfg6 17. a5 Nxc4 18. Nxc4 Qe7 19. Bd2 Bd7 20. Ra3 Bb5 21. Rg3 Nf4 22. Bf3 1/2-1/2