[Event "Buenos Aires"]
[Site "Buenos Aires"]
[Date "1970.08.06"]
[Round "12"]
[White "Najdorf, Miguel"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nc6 9. Bd3 cxd4 10. exd4 Be7 11. a3 b6 12. Re1 Bb7 13. b4 Rc8 14. Bb2 Rc7 15. Qe2 Rd7 16. Ne4 Nxe4 17. Bxe4 Bf6 18. Rac1 Ne7 19. Rc2 Bxe4 20. Qxe4 Rc7 21. Rxc7 Qxc7 22. Rc1 1/2-1/2