[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1970.07.19"]
[Round "1"]
[White "Rossetto, Hector"]
[Black "Szabo, Laszlo"]
[Result "1/2-1/2"]

1. d4 Nf6 2. Bg5 c5 3. dxc5 Na6 4. Nd2 Nxc5 5. Ngf3 h6 6. Bxf6 gxf6 7. e3 d5 8. b4 Na6 9. a3 Bg7 10. c4 dxc4 11. Bxc4 O-O 12. O-O Nc7 13. Rc1 f5 14. Qc2 Ne8 15. Rfd1 Nd6 16. Bb3 Bd7 17. Nc4 Rc8 18. Qb1 Nxc4 19. Bxc4 Qe8 20. b5 e6 21. Qb4 Rc7 22. Bf1 Rxc1 23. Rxc1 Qb8 24. Rd1 Bc8 25. Qe7 b6 26. Rc1 Bb7 27. Nd4 Re8 28. Qb4 Bf8 29. Qa4 Qd6 30. Rc3 Bd5 31. Nc6 Bg7 32. Nd4 Qd7 33. Qc2 Be4 34. Qc1 Be5 35. Rc4 Bd5 36. Rc2 Be4 37. Rc4 Bd5 38. Rc2 1/2-1/2