[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1970.08.08"]
[Round "13"]
[White "Rossetto, Hector"]
[Black "O'Kelly de Galway, Alberic"]
[Result "1/2-1/2"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. c4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 c5 10. Rd1 d6 11. Qc2 Qc7 12. d5 exd5 13. cxd5 Nd7 14. Nd4 Rac8 15. Nf5 Bf6 16. Bf4 Ne5 17. a4 Qd8 18. Ra3 g6 19. Nh6+ Kh8 20. h4 Rc7 21. Qc1 Bc8 22. e4 Bg7 23. Bg5 f6 24. Be3 Re8 25. Rc3 Nf7 26. Nxf7+ Rxf7 27. Bh6 Bd7 28. b3 Bxh6 29. Qxh6 Qe7 1/2-1/2