[Event "World U20-ch04"]
[Site "Toronto"]
[Date "1957.08.11"]
[Round "7"]
[White "Cardoso, Radolfo Tan"]
[Black "Lombardy, William James"]
[Result "0-1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. O-O Nbd7 9. Be3 Rc8 10. f3 Nb6 11. Qd2 Be7 12. Rfd1 O-O 13. Qe1 Nfd7 14. Bd3 Bg5 15. Rac1 Bxe3+ 16. Qxe3 Nf6 17. Ne2 Na4 18. Rb1 b5 19. Ng3 Qc7 20. Re1 Rfd8 21. h3 h6 22. f4 Qb6 23. f5 Bc4 24. Bxc4 Qxe3+ 25. Rxe3 Rxc4 26. c3 Kf8 27. Nd2 Rc6 28. Nf3 Rdc8 29. Nd2 Nd7 30. Kf2 Ndb6 31. Ne2 a5 32. Rd3 Ke7 33. Kf3 Nc5 34. Re3 d5 35. Rd1 dxe4+ 36. Nxe4 Nc4 37. Nxc5 Nxe3 38. Rd7+ Ke8 39. Kxe3 Rxc5 40. Ra7 b4 41. Rb7 bxc3 42. Nxc3 Kf8 43. Ne4 Rc2 44. g4 f6 45. Nf2 R8c7 46. Rb5 Ke7 47. Rb6 Rd7 48. Rb8 Kd6 49. Nd3 Rdc7 50. Ra8 Rh2 51. Rxa5 Rxh3+ 52. Kd2 Rc4 53. Ra6+ Kd5 54. Ra5+ Kd4 55. Nc1 Rh2+ 56. Ne2+ Ke4 57. Ra3 Rd4+ 58. Ke1 Rd3 59. Ng3+ Rxg3 60. Rxg3 Rxb2 61. a4 Ra2 62. Rb3 Kf4 63. Rb7 e4 64. Rxg7 e3 65. Re7 Kf3 66. Kd1 e2+ 67. Ke1 Ra1+ 0-1