| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. Panno vs R C Cruz |
| ½-½ | 26 | 1963 | Buenos Aires Circulo Argentino | E83 King's Indian, Samisch |
| 52. R C Cruz vs R Sanguineti |
| 0-1 | 38 | 1963 | Buenos Aires Circulo Argentino | D23 Queen's Gambit Accepted |
| 53. R C Cruz vs Najdorf |
| 1-0 | 41 | 1964 | Argentine Championship | D37 Queen's Gambit Declined |
| 54. R C Cruz vs R Calneggia |
| 1-0 | 92 | 1964 | Argentine Championship | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 55. R C Cruz vs S Schweber |
| ½-½ | 41 | 1964 | Argentine Championship | A76 Benoni, Classical, 9...Re8 |
| 56. O Caglieri vs R C Cruz |
| 0-1 | 62 | 1964 | Argentine Championship | B43 Sicilian, Kan, 5.Nc3 |
| 57. R C Cruz vs J Dubin |
| 0-1 | 47 | 1964 | Argentine Championship | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 58. J Rubinetti vs R C Cruz |
| 0-1 | 33 | 1964 | Argentine Championship | B85 Sicilian, Scheveningen, Classical |
| 59. R C Cruz vs F Burgalat |
| 1-0 | 14 | 1964 | Argentine Championship | E81 King's Indian, Samisch |
| 60. J Behrensen vs R C Cruz |
| 1-0 | 29 | 1964 | Argentine Championship | B43 Sicilian, Kan, 5.Nc3 |
| 61. B Wexler vs R C Cruz |
| ½-½ | 18 | 1964 | Argentine Championship | D50 Queen's Gambit Declined |
| 62. R C Cruz vs M Pugach |
| 1-0 | 49 | 1964 | Argentine Championship | E93 King's Indian, Petrosian System |
| 63. R C Cruz vs J C de las Heras |
| 1-0 | 63 | 1964 | Argentine Championship | A96 Dutch, Classical Variation |
| 64. R C Cruz vs Eliskases |
| 0-1 | 36 | 1964 | Argentine Championship | E63 King's Indian, Fianchetto, Panno Variation |
| 65. R Garcia vs R C Cruz |
| ½-½ | 25 | 1964 | Argentine Championship | A07 King's Indian Attack |
| 66. R C Cruz vs V Palermo |
| 1-0 | 17 | 1964 | Argentine Championship | A76 Benoni, Classical, 9...Re8 |
| 67. M Luckis vs R C Cruz |
| ½-½ | 22 | 1964 | ARG-ch+ | A54 Old Indian, Ukrainian Variation, 4.Nf3 |
| 68. R C Cruz vs E Macskasy |
| ½-½ | 31 | 1964 | Tel Aviv Olympiad qual-6 | D31 Queen's Gambit Declined |
| 69. J Deslauriers vs R C Cruz |
| ½-½ | 30 | 1964 | Tel Aviv Olympiad qual-6 | A15 English |
| 70. C Radovici vs R C Cruz |
| 1-0 | 57 | 1964 | Tel Aviv Olympiad Final-A | B35 Sicilian, Accelerated Fianchetto, Modern Variation with Bc4 |
| 71. W Bialas vs R C Cruz |
| ½-½ | 30 | 1964 | Tel Aviv Olympiad Final-A | D11 Queen's Gambit Declined Slav |
| 72. R C Cruz vs N Spiridonov |
| 1-0 | 35 | 1964 | Tel Aviv Olympiad Final-A | D86 Grunfeld, Exchange |
| 73. Matulovic vs R C Cruz |
 | 1-0 | 43 | 1964 | Tel Aviv Olympiad Final-A | B42 Sicilian, Kan |
| 74. R C Cruz vs J Mora Corbera |
| 0-1 | 60 | 1964 | Tel Aviv Olympiad Final-A | E66 King's Indian, Fianchetto, Yugoslav Panno |
| 75. A Bisguier vs R C Cruz |
| 1-0 | 42 | 1964 | Tel Aviv Olympiad Final-A | E70 King's Indian |
Kibitzing
