| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 76. R Pereira vs G M H Thilakarathne |
| 1-0 | 43 | 2020 | FIDE Online Olympiad | B23 Sicilian, Closed |
| 77. R Pereira vs K Georgiev |
| ½-½ | 127 | 2020 | FIDE Online Olympiad | B25 Sicilian, Closed |
| 78. R Pereira vs B Bok |
| 0-1 | 56 | 2020 | FIDE Online Olympiad | B23 Sicilian, Closed |
| 79. R Pereira vs I Sirosh |
| 0-1 | 53 | 2020 | FIDE Online Olympiad | B10 Caro-Kann |
| 80. Vocaturo vs R Pereira |
| 1-0 | 47 | 2020 | FIDE Online Olympiad | B25 Sicilian, Closed |
| 81. S Mansour vs R Pereira |
| 0-1 | 53 | 2020 | FIDE Online Olympiad | D75 Neo-Grunfeld, 6.cd Nxd5, 7.O-O c5, 8.dxc5 |
| 82. R Pereira vs A Ventura Sousa |
| ½-½ | 35 | 2021 | TCh-POR Div1 | A15 English |
| 83. A Fier vs R Pereira |
| 1-0 | 32 | 2021 | TCh-POR Div1 | B98 Sicilian, Najdorf |
| 84. R Pereira vs A Abdul Rahman |
| 1-0 | 48 | 2024 | Budapest Olympiad | C01 French, Exchange |
| 85. B Daneshvar vs R Pereira |
| 1-0 | 92 | 2024 | Budapest Olympiad | D35 Queen's Gambit Declined |
| 86. E Ang vs R Pereira |
| 1-0 | 54 | 2024 | Budapest Olympiad | A04 Reti Opening |
| 87. K Belzo vs R Pereira |
| 0-1 | 31 | 2024 | Budapest Olympiad | A40 Queen's Pawn Game |
| 88. R Pereira vs K Cupid |
| 1-0 | 37 | 2024 | Budapest Olympiad | B10 Caro-Kann |
| 89. R Pereira vs A Karimov |
| ½-½ | 52 | 2024 | Budapest Olympiad | B23 Sicilian, Closed |
| 90. J Elbilia vs R Pereira |
| 0-1 | 22 | 2024 | Budapest Olympiad | D35 Queen's Gambit Declined |
| 91. R Pereira vs M Petrov |
| ½-½ | 31 | 2024 | Budapest Olympiad | B90 Sicilian, Najdorf |
| 92. R Pereira vs E Jimenez Garcia |
| 1-0 | 55 | 2024 | Budapest Olympiad | C41 Philidor Defense |
| 93. K Noboa Silva vs R Pereira |
| 1-0 | 78 | 2024 | Budapest Olympiad | D35 Queen's Gambit Declined |
| 94. R Ribeiro vs R Pereira |
| 0-1 | 59 | 2025 | Portuguese Top League | D35 Queen's Gambit Declined |
| 95. H Carneiro Sousa vs R Pereira |
| 0-1 | 26 | 2025 | Portuguese Top League | C01 French, Exchange |
Kibitzing
