[Event "Mar del Plata International-18"]
[Site "Mar del Plata"]
[Date "1955.03.30"]
[Round "15"]
[White "De Greif, Boris"]
[Black "Szabo, Laszlo"]
[Result "0-1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 a6 10. Be2 Bd7 11. Nb3 Qb8 12. Bf3 Rd8 13. g4 Qc7 14. Kb1 Rac8 15. h4 b5 16. h5 Ne8 17. Bxe7 Nxe7 18. g5 Bc6 19. Nd4 b4 20. Nce2 Ba8 21. Ng3 e5 22. Ndf5 Nxf5 23. Nxf5 exf4 24. Rh2 d5 25. exd5 Qe5 26. Qd3 Nd6 27. Nxd6 Rxd6 28. g6 fxg6 29. hxg6 h6 30. Re2 Qf6 31. Bg4 Rf8 32. Be6+ Kh8 33. b3 Bb7 34. Rf2 Bc8 35. Bxc8 Rxc8 36. Re1 Rf8 37. Qe4 Qxg6 38. Rxf4 Rfd8 39. Qxg6 Rxg6 40. Rd4 a5 41. Re2 Rgd6 42. Red2 g5 43. a3 Rb8 44. Rc4 Kg7 45. Rc5 h5 46. Rxa5 g4 47. axb4 g3 48. c4 h4 49. Kc2 h3 50. Ra7+ Kh6 51. Rd4 g2 52. Ra1 Kh5 53. Re1 Rg6 54. Rd3 Kh4 55. Rd4+ Rg4 56. Rxg4+ Kxg4 0-1