| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. L Bauza vs L Marini |
| 0-1 | 39 | 1951 | Mar del Plata Zonal | D04 Queen's Pawn Game |
| 52. L Marini vs H Rossetto |
| ½-½ | 25 | 1951 | Mar del Plata Zonal | D19 Queen's Gambit Declined Slav, Dutch |
| 53. J de Souza Mendes vs L Marini |
| 0-1 | 33 | 1951 | Mar del Plata Zonal | E17 Queen's Indian |
| 54. L Marini vs Letelier |
| 0-1 | 54 | 1951 | Mar del Plata Zonal | D31 Queen's Gambit Declined |
| 55. R Flores Alvarez vs L Marini |
| ½-½ | 26 | 1951 | Mar del Plata Zonal | E21 Nimzo-Indian, Three Knights |
| 56. L Marini vs E Reinhardt |
| ½-½ | 40 | 1951 | Mar del Plata Zonal | D80 Grunfeld |
| 57. N Dantas vs L Marini |
| 0-1 | 36 | 1951 | Mar del Plata Zonal | B58 Sicilian |
| 58. L Marini vs C H Maderna |
| ½-½ | 17 | 1951 | Mar del Plata Zonal | E00 Queen's Pawn Game |
| 59. M Luckis vs L Marini |
| 1-0 | 41 | 1951 | Mar del Plata Zonal | E87 King's Indian, Samisch, Orthodox |
| 60. L Marini vs Eliskases |
| ½-½ | 58 | 1953 | ARG-ch | B92 Sicilian, Najdorf, Opocensky Variation |
| 61. L Marini vs Panno |
| 1-0 | 41 | 1953 | ARG-ch | B73 Sicilian, Dragon, Classical |
| 62. L Marini vs L Schmid |
| ½-½ | 28 | 1954 | Dyckhoff mem-A corr5456 | A28 English |
| 63. R Sanguineti vs L Marini |
| 0-1 | 46 | 1955 | Argentine Championship | A56 Benoni Defense |
| 64. L Marini vs E Dodero |
| 0-1 | 42 | 1955 | Argentine Championship | A02 Bird's Opening |
| 65. Najdorf vs L Marini |
| ½-½ | 41 | 1955 | Argentine Championship | A05 Reti Opening |
| 66. L Marini vs J M Suarez |
| ½-½ | 69 | 1955 | Argentine Championship | A06 Reti Opening |
| 67. A Laurencena vs L Marini |
| 0-1 | 28 | 1955 | Argentine Championship | B68 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 9...Be7 |
| 68. L Marini vs E Reinhardt |
| 0-1 | 19 | 1955 | Argentine Championship | A16 English |
| 69. C H Maderna vs L Marini |
| ½-½ | 25 | 1955 | Argentine Championship | B31 Sicilian, Rossolimo Variation |
| 70. L Marini vs V Palermo |
| 1-0 | 37 | 1955 | Argentine Championship | A16 English |
| 71. J Behrensen vs L Marini |
 | ½-½ | 110 | 1955 | Argentine Championship | A07 King's Indian Attack |
| 72. L Marini vs R Shocron |
| 1-0 | 38 | 1955 | Argentine Championship | E66 King's Indian, Fianchetto, Yugoslav Panno |
| 73. G Idigoras vs L Marini |
| ½-½ | 20 | 1955 | Argentine Championship | D85 Grunfeld |
| 74. L Marini vs Eliskases |
 | ½-½ | 35 | 1955 | Argentine Championship | A54 Old Indian, Ukrainian Variation, 4.Nf3 |
| 75. B Wexler vs L Marini |
| ½-½ | 59 | 1955 | Argentine Championship | A05 Reti Opening |
Kibitzing
