[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1970.08.03"]
[Round "10"]
[White "O'Kelly de Galway, Alberic"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]

1. c4 g6 2. Nf3 Bg7 3. d4 Nf6 4. g3 O-O 5. Bg2 d6 6. Nc3 Nbd7 7. O-O e5 8. e4 c6 9. Rb1 a5 10. Re1 exd4 11. Nxd4 Re8 12. h3 Qc7 13. b3 Nc5 14. Re2 Bd7 15. Bf4 Rad8 16. Qd2 Bc8 17. Bh6 Bh8 18. Rd1 Qb6 19. Nc2 Be6 20. Be3 Qc7 21. Nd4 Bc8 22. Bf4 Bg7 23. Bh6 Bxh6 24. Qxh6 Re5 25. Qd2 Rde8 26. Rde1 R5e7 27. Re3 h5 28. Qb2 Nh7 29. a3 Qb6 30. b4 axb4 31. axb4 Na6 32. Nc2 Be6 33. Bf1 Ng5 34. Kh2 1/2-1/2