| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 76. H Holaszek vs E De Castro |
| 1-0 | 33 | 1972 | Skopje Olympiad qual-8 | B83 Sicilian |
| 77. U Geller vs E De Castro |
| 0-1 | 63 | 1972 | Skopje Olympiad Final-B | A37 English, Symmetrical |
| 78. E Paoli vs E De Castro |
| 1-0 | 39 | 1972 | Skopje Olympiad Final-B | B23 Sicilian, Closed |
| 79. E De Castro vs H Holaszek |
| 0-1 | 39 | 1972 | Skopje Olympiad Final-B | E62 King's Indian, Fianchetto |
| 80. E Cobo Arteaga vs E De Castro |
| ½-½ | 47 | 1972 | Skopje Olympiad Final-B | B53 Sicilian |
| 81. B De Greiff vs E De Castro |
| ½-½ | 13 | 1972 | Skopje Olympiad Final-B | A56 Benoni Defense |
| 82. L Day vs E De Castro |
| ½-½ | 48 | 1972 | Skopje Olympiad Final-B | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 83. E De Castro vs Niamdorzi |
| 0-1 | 37 | 1972 | Skopje Olympiad Final-B | D07 Queen's Gambit Declined, Chigorin Defense |
| 84. E De Castro vs L Ogaard |
 | 0-1 | 30 | 1972 | Skopje Olympiad Final-B | A45 Queen's Pawn Game |
| 85. A Whiteley vs E De Castro |
 | 1-0 | 25 | 1972 | Skopje Olympiad Final-B | A32 English, Symmetrical Variation |
| 86. E De Castro vs A Pomar |
| ½-½ | 15 | 1973 | Ourense | A14 English |
| 87. A Medina Garcia vs E De Castro |
| 0-1 | 59 | 1973 | Ourense | B46 Sicilian, Taimanov Variation |
| 88. E De Castro vs V Ciocaltea |
| 0-1 | 40 | 1973 | Ourense | A04 Reti Opening |
| 89. E Mednis vs E De Castro |
| 1-0 | 67 | 1973 | Ourense | B81 Sicilian, Scheveningen, Keres Attack |
| 90. E De Castro vs E Cobo Arteaga |
| 0-1 | 39 | 1973 | Ourense | A35 English, Symmetrical |
| 91. Gheorghiu vs E De Castro |
| 1-0 | 22 | 1973 | Ourense | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 92. E De Castro vs Parma |
| ½-½ | 17 | 1973 | Ourense | A56 Benoni Defense |
| 93. J Durao vs E De Castro |
| 1-0 | 24 | 1973 | Ourense | B28 Sicilian, O'Kelly Variation |
| 94. E De Castro vs N Padevsky |
| 0-1 | 59 | 1973 | Ourense | A84 Dutch |
| 95. Janosevic vs E De Castro |
| 1-0 | 24 | 1973 | Ourense | B93 Sicilian, Najdorf, 6.f4 |
| 96. E De Castro vs Benko |
| 0-1 | 30 | 1973 | Ourense | B50 Sicilian |
| 97. E De Castro vs R Naranja |
| ½-½ | 20 | 1973 | Manila | E95 King's Indian, Orthodox, 7...Nbd7, 8.Re1 |
| 98. S Tatai vs E De Castro |
| 1-0 | 37 | 1973 | Manila | A70 Benoni, Classical with 7.Nf3 |
| 99. E De Castro vs R Cardoso |
| ½-½ | 17 | 1973 | Manila | A04 Reti Opening |
| 100. Lombardy vs E De Castro |
| 1-0 | 38 | 1973 | Manila | B46 Sicilian, Taimanov Variation |
Kibitzing
