[Event "Mar del Plata International-27"]
[Site "Mar del Plata"]
[Date "1966.03.15"]
[Round "4"]
[White "Sanguineti, Raul"]
[Black "Portisch, Lajos"]
[Result "0-1"]
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. O-O d6 6. Be3 Bxe3 7. fxe3 Na5 8. Bb3 c6 9. Nc3 O-O 10. Qe1 Ng4 11. h3 Nxb3 12. axb3 Nh6 13. g4 f6 14. Qg3 b5 15. Nh4 Nf7 16. Nf5 b4 17. Nd1 d5 18. Nf2 g6 19. Nh4 Nd6 20. Nf3 Qb6 21. Nd2 Bb7 22. g5 f5 23. exd5 f4 24. exf4 Rxf4 25. Rae1 Nf5 26. Qh2 Ne3 27. Nc4 Nxc4 28. bxc4 cxd5 29. cxd5 Raf8 30. Rxe5 Bc8 31. Re7 Qc5 32. d6 Qxg5+ 33. Qg2 Qc5 34. Qg3 Qxd6 35. Re4 Bb7 36. Rxf4 Rxf4 37. Re1 Qf6 38. Re7 Bd5 39. Re3 Kg7 40. Ne4 Bxe4 41. dxe4 Rf1+ 42. Kg2 Rc1 0-1