[Event "Mar del Plata International-26"]
[Site "Mar del Plata"]
[Date "1965.03.23"]
[Round "4"]
[White "Panno, Oscar"]
[Black "Najdorf, Miguel"]
[Result "0-1"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. b3 O-O 7. Bb2 d5 8. e3 Nbd7 9. Nc3
a6 10. d4 Bd6 11. a4 Bb4 12. Na2 Be7 13. Qe2 c5 14. Rfd1 Qc7 15. Rac1 dxc4 16. bxc4 Rac8
17. Nc3 cxd4 18. exd4 Rfe8 19. Nb1 Bb4 20. Qe3 Bc6 21. Qb3 Bf8 22. Nc3 Ba8 23. Ne2 g6 24.
Ne1 Bxg2 25. Nxg2 e5 26. Ne3 Bh6 27. dxe5 Nxe5 28. Bxe5 Rxe5 29. f4 Re4 30. Nd4 Qc5 31.
Qd3 Bg7 32. Kg2 Rce8 33. Nec2 Ng4 34. h3 Ne3+ 35. Nxe3 Rxe3 36. Qd2 Bxd4 37. Qxd4 Re2+ 38.
Kf1 Re1+ 39. Rxe1 Rxe1+ 0-1