[Event "Olympiad-19 Preliminaries E"]
[Site "Siegen"]
[Date "1970.09.13"]
[Round "9"]
[White "Najdorf, Miguel"]
[Black "Donnely, Brian"]
[Result "1-0"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. d3 e6 5. O-O Bd6 6. Nbd2 c6 7. Qe1 Bg6 8. e4 Bc7 9. Qe2
O-O 10. b3 a5 11. a3 Na6 12. Bb2 Nc5 13. e5 Nfd7 14. Nh4 Qe7 15. f4 Rfe8 16. Kh1 Nf8 17.
Rae1 b5 18. h3 Rac8 19. Ndf3 Bb8 20. g4 Ncd7 21. Qd2 b4 22. axb4 axb4 23. f5 exf5 24. gxf5
Bh5 25. f6 Qd8 26. Nf5 Bxf3 27. Bxf3 gxf6 28. Qh6 Ne6 29. Rg1+ Kh8 30. Rg7 1-0