| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. B De Greiff vs R Cardoso |
 | 0-1 | 31 | 1958 | Portoroz Interzonal | B93 Sicilian, Najdorf, 6.f4 |
| 52. R Cardoso vs Szabo |
| 0-1 | 51 | 1958 | Portoroz Interzonal | C87 Ruy Lopez |
| 53. Pachman vs R Cardoso |
| 1-0 | 41 | 1958 | Portoroz Interzonal | D38 Queen's Gambit Declined, Ragozin Variation |
| 54. R Cardoso vs A Matanovic |
| 0-1 | 34 | 1958 | Portoroz Interzonal | B90 Sicilian, Najdorf |
| 55. Filip vs R Cardoso |
| 1-0 | 34 | 1958 | Portoroz Interzonal | A15 English |
| 56. R Cardoso vs Gligoric |
| 0-1 | 42 | 1958 | Portoroz Interzonal | B43 Sicilian, Kan, 5.Nc3 |
| 57. O Neikirch vs R Cardoso |
| 1-0 | 46 | 1958 | Portoroz Interzonal | E91 King's Indian |
| 58. R Cardoso vs G Fuster |
| 1-0 | 41 | 1958 | Portoroz Interzonal | D22 Queen's Gambit Accepted |
| 59. H Rossetto vs R Cardoso |
| 1-0 | 47 | 1958 | Portoroz Interzonal | A34 English, Symmetrical |
| 60. R Cardoso vs Benko |
| 0-1 | 40 | 1958 | Portoroz Interzonal | B57 Sicilian |
| 61. Fischer vs R Cardoso |
 | 1-0 | 62 | 1958 | Portoroz Interzonal | B10 Caro-Kann |
| 62. R Cardoso vs Bronstein |
| 1-0 | 42 | 1958 | Portoroz Interzonal | B06 Robatsch |
| 63. W Fairhurst vs R Cardoso |
| 0-1 | 38 | 1958 | Munich Olympiad qual-3 | E11 Bogo-Indian Defense |
| 64. R Cardoso vs E Tchelebi |
| 1-0 | 32 | 1958 | Munich Olympiad qual-3 | E80 King's Indian, Samisch Variation |
| 65. Uhlmann vs R Cardoso |
| ½-½ | 57 | 1958 | Munich Olympiad qual-3 | A15 English |
| 66. R Cardoso vs M Cuellar Gacharna |
| 1-0 | 73 | 1958 | Munich Olympiad qual-3 | E86 King's Indian, Samisch, Orthodox, 7.Nge2 c6 |
| 67. Sliwa vs R Cardoso |
| 1-0 | 48 | 1958 | Munich Olympiad qual-3 | D37 Queen's Gambit Declined |
| 68. R Cardoso vs Szabo |
| 0-1 | 42 | 1958 | Munich Olympiad qual-3 | B27 Sicilian |
| 69. Pilnik vs R Cardoso |
| ½-½ | 41 | 1958 | Munich Olympiad qual-3 | B06 Robatsch |
| 70. R Cardoso vs J Penrose |
| 0-1 | 42 | 1958 | Munich Olympiad qual-3 | A42 Modern Defense, Averbakh System |
| 71. R Cardoso vs K Lagha |
| 1-0 | 29 | 1958 | Munich Olympiad Final-C | C99 Ruy Lopez, Closed, Chigorin, 12...cd |
| 72. Y Safvat vs R Cardoso |
| 0-1 | 43 | 1958 | Munich Olympiad Final-C | B06 Robatsch |
| 73. R Cardoso vs E Rojahn |
| ½-½ | 23 | 1958 | Munich Olympiad Final-C | B70 Sicilian, Dragon Variation |
| 74. E Tchelebi vs R Cardoso |
| 1-0 | 52 | 1958 | Munich Olympiad Final-C | A17 English |
| 75. R Cardoso vs W Heidenfeld |
| ½-½ | 52 | 1958 | Munich Olympiad Final-C | A52 Budapest Gambit |
Kibitzing
