| Sep 21, 2024 | Mejias Nunez | 0–1 | Asllani | 45th FIDE Chess Olympiad | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Sep 20, 2024 | Mejias Nunez | 1–0 | Arunnuntapanich | 45th FIDE Chess Olympiad | Sicilian Defense: Four Knights Variation | |
| Sep 19, 2024 | Pitamber | ½–½ | Mejias Nunez | 45th FIDE Chess Olympiad | Sicilian Defense: Kan Variation, Knight Variation | |
| Sep 18, 2024 | Mejias Nunez | 0–1 | Mushore | 45th FIDE Chess Olympiad | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Sep 15, 2024 | Gong | ½–½ | Mejias Nunez | 45th FIDE Chess Olympiad | Petrov's Defense: Modern Attack, Center Variation | |
| Sep 14, 2024 | Linn Phone Myat | ½–½ | Mejias Nunez | 45th FIDE Chess Olympiad | Bishop's Opening: Boden-Kieseritzky Gambit | |
| Sep 13, 2024 | Mejias Nunez | 0–1 | Gourlay | 45th FIDE Chess Olympiad | Sicilian Defense: Kalashnikov Variation | |
| Sep 12, 2024 | Moses Ina Ebenezer Conteh | 0–1 | Mejias Nunez | 45th FIDE Chess Olympiad | Ruy Lopez: Closed, Bogoljubow Variation | |
| Jul 27, 2024 | Infante | 0–1 | Mejias Nunez | Round 7: Infante, Salvador - Mejias Nunez, Rafael E. | Mieses Opening: Reversed Rat | |
| Jul 26, 2024 | Mejias Nunez | ½–½ | Zilleruelo Irizarry | Round 6: Mejias Nunez, Rafael E. - Zilleruelo Irizarry, Diego | Queen's Pawn Game: Accelerated London System | |
| Jul 25, 2024 | Alvarez Tapia | 0–1 | Mejias Nunez | Round 5: Alvarez Tapia, Wilfredo - Mejias Nunez, Rafael E. | Trompowsky Attack | |
| Jul 25, 2024 | Mejias Nunez | 1–0 | Infante Pecas | Round 4: Mejias Nunez, Rafael E. - Infante Pecas, Nicolas | Zukertort Opening: Nimzo-Larsen Variation | |
| Jul 24, 2024 | Vales Quinones | 1–0 | Mejias Nunez | Round 3: Vales Quinones, Pedro I. - Mejias Nunez, Rafael E. | Sicilian Defense: Kan Variation, Knight Variation | |
| Jul 23, 2024 | Mejias Nunez | 0–1 | Duran Vega | Round 2: Mejias Nunez, Rafael E. - Duran Vega, Sergio | Sicilian Defense: Four Knights Variation | |
| Jul 23, 2024 | Mejias Nunez | * | Duran Vega | Round 1: Mejias Nunez, Rafael E. - Duran Vega, Sergio | ? | |
| Jul 22, 2024 | Infante Pacas | 0–1 | Mejias Nunez | Round 1: Infante Pacas, Juan P. - Mejias Nunez, Rafael E. | Mieses Opening | |
| Apr 14, 2024 | Mejias Nunez | ½–½ | Toro Cruz | Round 9: Mejias Nunez, Rafael E. - Toro Cruz, Sebastian J. | Caro-Kann Defense: Breyer Variation | |
| Apr 13, 2024 | Gerena Rivas | 1–0 | Mejias Nunez | Round 8: Gerena Rivas, Eliam - Mejias Nunez, Rafael E. | Ruy Lopez: Exchange Variation, Gligoric Variation | |
| Apr 13, 2024 | Zilleruelo Irizarry | 1–0 | Mejias Nunez | Round 7: Zilleruelo Irizarry, Diego - Mejias Nunez, Rafael E. | Rapport-Jobava System | |
| Apr 13, 2024 | Mejias Nunez | 1–0 | Boggiano Pereira | Round 6: Mejias Nunez, Rafael E. - Boggiano Pereira, Miguel A. | Sicilian Defense: Chekhover Variation | |
| Apr 12, 2024 | Sotelo Kohama | 0–1 | Mejias Nunez | Round 5: Sotelo Kohama, Daniel - Mejias Nunez, Rafael E. | Ruy Lopez: Closed, Flohr System | |
| Apr 7, 2024 | Mejias Nunez | ½–½ | Rodriguez Santiago | Round 4: Mejias Nunez, Rafael E. - Rodriguez Santiago, Jaime | Caro-Kann Defense: Exchange Variation | |
| Apr 7, 2024 | Allen Medina | 1–0 | Mejias Nunez | Round 3: Allen Medina, Josue - Mejias Nunez, Rafael E. | Petrov's Defense: Three Knights Game | |
| Apr 6, 2024 | Mejias Nunez | 0–1 | Almedina Ortiz | Round 2: Mejias Nunez, Rafael E. - Almedina Ortiz, Edgardo J. | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Apr 6, 2024 | Gonzalez Gonzalez | 0–1 | Mejias Nunez | Round 1: Gonzalez Gonzalez, Enoel - Mejias Nunez, Rafael E. | English Opening: Symmetrical Variation, Hedgehog Defense | |
| Aug 29, 2021 | Mejias Nunez | 1–0 | Chahin Godoy | Online_Olympiad_Div3_PoolE | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Aug 28, 2021 | Mejias Nunez | ½–½ | Perez Salazar | Online_Olympiad_Div3_PoolE | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation | |
| Aug 28, 2021 | Mejias Nunez | 0–1 | Mendez | Online_Olympiad_Div3_PoolE | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Aug 28, 2021 | Acheampong | 0–1 | Mejias Nunez | Online_Olympiad_Div3_PoolE | Sicilian Defense: Smith-Morra Gambit Declined, Push Variation | |
| Aug 27, 2021 | Mejias Nunez | 0–1 | Escalona Landi | Online_Olympiad_Div3_PoolE | Modern Defense | |
| Aug 22, 2021 | Mejias Nunez | * | Gontcharov | Online_Olympiad_Div4_PoolE | Sicilian Defense: Kan Variation, Modern Variation | |
| Aug 22, 2021 | Sinton | 0–1 | Mejias Nunez | Online_Olympiad_Div4_PoolE | Sicilian Defense: French Variation | |
| Aug 21, 2021 | Mejias Nunez | 1–0 | Yearwood | Online_Olympiad_Div4_PoolE | Pirc Defense: Classical Variation | |
| Aug 21, 2021 | Farquhar | 0–1 | Mejias Nunez | Online_Olympiad_Div4_PoolE | Catalan Opening | |