[Event "Mar del Plata International-18"]
[Site "Mar del Plata"]
[Date "1955.03.09"]
[Round "1"]
[White "Flores Alvarez, Rodrigo"]
[Black "Najdorf, Miguel"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Be3 Be6 10. f4 exf4 11. Bxf4 Nc6 12. Kh1 Ne5 13. Qd4 Qc7 14. Rac1 Rac8 15. Nd5 Bxd5 16. exd5 Nfd7 17. c4 Bf6 18. Qd2 Rfe8 19. Rc2 Ng6 20. Bg3 Be5 21. Rf3 Nf6 22. Be1 Qd7 23. Rf1 Ne4 24. Qd1 Nf4 25. Bd3 f5 26. Qf3 g5 27. Bc3 Bxc3 28. bxc3 Re5 29. g3 Nxd3 30. Qxd3 Qa4 31. c5 Nxc5 32. Qd4 Qd7 33. Rcf2 Ne4 34. Rf3 Rce8 35. c4 g4 36. Rf4 Ng5 37. Nd2 Nh3 38. Rxf5 Rxf5 39. Qxg4+ Kh8 40. Qxf5 Qxf5 41. Rxf5 Kg7 1/2-1/2