| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. R Calapso vs Petrosian |
 | ½-½ | 69 | 1967 | Venice | B40 Sicilian |
| 52. R Calapso vs Lengyel |
| 0-1 | 48 | 1967 | Venice | A07 King's Indian Attack |
| 53. E Paoli vs R Calapso |
| 1-0 | 58 | 1967 | Venice | B07 Pirc |
| 54. R Calapso vs J H Donner |
| 0-1 | 35 | 1967 | Venice | B13 Caro-Kann, Exchange |
| 55. R Calapso vs E Paoli |
| ½-½ | 65 | 1968 | ITA-ch | C65 Ruy Lopez, Berlin Defense |
| 56. A Faraci vs R Calapso |
| 1-0 | 42 | 1969 | Imperia op | A41 Queen's Pawn Game (with ...d6) |
| 57. A Magrin vs R Calapso |
| ½-½ | 44 | 1970 | Italian Championship | B06 Robatsch |
| 58. S Tatai vs R Calapso |
| 1-0 | 34 | 1970 | Italian Championship | B06 Robatsch |
| 59. R Calapso vs V Nestler |
| 0-1 | 40 | 1970 | Italian Championship | A07 King's Indian Attack |
| 60. R Calapso vs A Rosino |
| ½-½ | 15 | 1970 | Italian Championship | C77 Ruy Lopez |
| 61. F Palmiotto vs R Calapso |
| 1-0 | 45 | 1970 | Italian Championship | A00 Uncommon Opening |
| 62. F Norcia vs R Calapso |
| ½-½ | 60 | 1970 | Italian Championship | B06 Robatsch |
| 63. R Calapso vs A Capece |
| ½-½ | 41 | 1970 | Italian Championship | B30 Sicilian |
| 64. C Mariani vs R Calapso |
| ½-½ | 45 | 1970 | Italian Championship | B06 Robatsch |
| 65. R Calapso vs R Palombi |
| ½-½ | 66 | 1970 | Italian Championship | B73 Sicilian, Dragon, Classical |
| 66. R Calapso vs E Romani |
| 0-1 | 43 | 1970 | Italian Championship | B30 Sicilian |
| 67. C Mariani vs R Calapso |
| 1-0 | 24 | 1970 | Imperia op | A42 Modern Defense, Averbakh System |
| 68. R Calapso vs G Rossi |
| 1-0 | 29 | 1970 | Italian Championship semifinal | B73 Sicilian, Dragon, Classical |
| 69. S Veskov vs R Calapso |
| 0-1 | 47 | 1971 | Bari Open | E94 King's Indian, Orthodox |
| 70. R Calapso vs S Mariotti |
| 1-0 | 45 | 1971 | Bari Open | C46 Three Knights |
| 71. R Resaz vs R Calapso |
| 0-1 | 21 | 1971 | Imperia op | A41 Queen's Pawn Game (with ...d6) |
| 72. C Micheli vs R Calapso |
| 0-1 | 18 | 1971 | Imperia op | B07 Pirc |
| 73. R Calapso vs J Bekvalac |
| ½-½ | 26 | 1971 | Imperia op | B53 Sicilian |
| 74. R Calapso vs B N Rometti |
| 1-0 | 23 | 1971 | Imperia op | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 75. R Calapso vs L Teani |
| 1-0 | 26 | 1972 | La Spezia op | C10 French |
Kibitzing
