| Jun 30, 2026 | Melian | 0–1 | Borges | X Caioba STD | Sicilian Defense: Kan Variation, Knight Variation | |
| Jun 28, 2026 | Ramalho | 0–1 | Melian | X Caioba - STD | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Jun 28, 2026 | Melian | 1–0 | Monteiro | X Caioba - STD | Sicilian Defense: Czerniak Attack | |
| Jun 27, 2026 | Mekhitarian | 1–0 | Melian | X Caioba RPD | Queen's Gambit Accepted | |
| Jun 27, 2026 | Melian | 1–0 | Terao | X Caioba RPD | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Jun 27, 2026 | Garcia Palermo | ½–½ | Melian | X Caioba RPD | Indian Defense: Knights Variation | |
| Jun 27, 2026 | Melian | * | Bachmann | X Caioba RPD | ? | |
| Jun 27, 2026 | Krysa | 1–0 | Melian | X Sesc Caioba BTZ | Bogo-Indian Defense: Wade-Smyslov Variation | |
| Jun 27, 2026 | Melian | ½–½ | Garcia Palermo | X Sesc Caioba BTZ | Caro-Kann Defense: Advance Variation | |
| Jun 27, 2026 | Mekhitarian | ½–½ | Melian | X Sesc Caioba BTZ | English Opening: Anglo-Indian Defense, Nimzo-English | |
| Jun 27, 2026 | Melian | 1–0 | Di Berardino | X Sesc Caioba BTZ | Queen's Pawn Game: Symmetrical Variation | |
| Jun 27, 2026 | Cubas | 0–1 | Melian | X Sesc Caioba BTZ | English Opening: Agincourt Defense | |
| Apr 19, 2026 | Melian | ½–½ | Gemy | II Rio Chess Masters 2026 (ITT) | Slav Defense: Exchange Variation | |
| Apr 18, 2026 | Rodrigues | 1–0 | Melian | II Rio Chess Masters 2026 (ITT) | Sicilian Defense: Najdorf Variation | |
| Apr 17, 2026 | Melian | 0–1 | Villanueva | II Rio Chess Masters 2026 (ITT) | French Defense: Tarrasch Variation, Open System, Main Line | |
| Apr 16, 2026 | Melian | ½–½ | Filgueiras | II Rio Chess Masters 2026 (ITT) | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 15, 2026 | Soriano Quispe | ½–½ | Melian | II Rio Chess Masters 2026 (ITT) | Indian Defense: Anti-Nimzo-Indian | |
| Apr 13, 2026 | Jardim | 0–1 | Melian | II Rio Chess Masters 2026 (ITT) | Nimzo-Indian Defense: Normal Variation, Ragozin Variation | |
| Apr 12, 2026 | Melian | ½–½ | Di Berardino | II Rio Chess Masters 2026 (ITT) | Scotch Game: Tartakower Variation | |
| Apr 12, 2026 | Ticona Rocabado | ½–½ | Melian | II Rio Chess Masters 2026 (ITT) | Catalan Opening: Open Defense | |
| Apr 11, 2026 | Melian | 1–0 | Silva | II Rio Chess Masters 2026 (ITT) | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Apr 6, 2026 | Melian | 0–1 | Fier | II Rio Chess Masters 2026 (ITT) | Sicilian Defense: French Variation | |
| Jan 24, 2026 | Delgado Ramirez | 1–0 | Melian | BCS Floripa - STD | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Jan 23, 2026 | Melian | 1–0 | Silva | BCS Floripa - STD | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jan 21, 2026 | Borda Rodas | 1–0 | Melian | Round 11: Borda Rodas, Anapaola S. - Melian, Juan Sebastian | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Jan 21, 2026 | Ticona Rocabado | 1–0 | Melian | Round 9: Ticona Rocabado, Licael Roderick - Melian, Juan Sebastian | King's Indian Attack | |
| Jan 21, 2026 | Melian | 1–0 | Cueto | Round 8: Melian, Juan Sebastian - Cueto, Jonny | Philidor Defense | |
| Jan 21, 2026 | Quintiliano | 1–0 | Melian | Round 7: Quintiliano, Renato R. - Melian, Juan Sebastian | Yusupov-Rubinstein System | |
| Jan 21, 2026 | Tomiello | ½–½ | Melian | Round 6: Tomiello, Mateus Costamilan - Melian, Juan Sebastian | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Jan 21, 2026 | Mekhitarian | 1–0 | Melian | Round 4: Mekhitarian, Krikor Sevag - Melian, Juan Sebastian | English Opening: Anglo-Indian Defense, Nimzo-English | |
| Nov 1, 2025 | Hoffman | * | Melian | Round 8: Hoffman, Alejandro - Melian, Juan Sebastian | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Nov 1, 2025 | Melian | ½–½ | Rodi | Round 7: Melian, Juan Sebastian - Rodi, Luis Ernesto | Queen's Gambit Declined | |
| Oct 31, 2025 | Gemy | ½–½ | Melian | Round 6: Gemy, Jose Daniel - Melian, Juan Sebastian | King's Indian Attack: Spassky Variation | |
| Oct 30, 2025 | Melian | * | Cueto | Round 5: Melian, Juan Sebastian - Cueto, Jonny | King's Indian Defense: Kazakh Variation | |
| Oct 29, 2025 | Ticona Rocabado | ½–½ | Melian | Round 4: Ticona Rocabado, Licael Roderick - Melian, Juan Sebastian | Indian Defense: Anti-Nimzo-Indian | |
| Oct 28, 2025 | Melian | * | Lima | Round 3: Melian, Juan Sebastian - Lima, Kleyton Alcantara | Catalan Opening: Open Defense | |
| Oct 27, 2025 | Freitas | 0–1 | Melian | Round 2: Freitas, Andre Henrique Lemos - Melian, Juan Sebastian | Rapport-Jobava System | |
| Oct 27, 2025 | Melian | 1–0 | Fujihara | Round 1: Melian, Juan Sebastian - Fujihara, Anderson Akira | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Oct 27, 2025 | Delgado Ramirez | 1–0 | Melian | Round 9: Delgado Ramirez, Neuris - Melian, Juan Sebastian | Sicilian Defense: Kan Variation, Knight Variation | |
| Oct 9, 2025 | Tempone | ½–½ | Melian | BA CHESS TITLE - Otorga Norma de IM - Palacio de las Aguas Corrientes | Torre Attack: Classical Defense | |
| Oct 8, 2025 | Melian | ½–½ | Villegas | BA CHESS TITLE - Otorga Norma de IM - Palacio de las Aguas Corrientes | Catalan Opening: Closed | |
| Oct 8, 2025 | Vergara Jofre | ½–½ | Melian | BA CHESS TITLE - Otorga Norma de IM - Palacio de las Aguas Corrientes | French Defense: Advance Variation, Paulsen Attack | |
| Oct 6, 2025 | Melian | 1–0 | Gomez | BA CHESS TITLE - Otorga Norma de IM - Palacio de las Aguas Corrientes | Scotch Game: Malaniuk Variation | |
| Oct 5, 2025 | Moro Saidon | 0–1 | Melian | BA CHESS TITLE - Otorga Norma de IM - Palacio de las Aguas Corrientes | Zukertort Opening: Sicilian Invitation | |
| Oct 4, 2025 | Melian | ½–½ | Almiron | BA CHESS TITLE - Otorga Norma de IM - Palacio de las Aguas Corrientes | French Defense: Tarrasch Variation, Chistyakov Defense | |
| Oct 2, 2025 | Perez Candelas | 0–1 | Melian | BA CHESS TITLE - Otorga Norma de IM - Palacio de las Aguas Corrientes | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Oct 2, 2025 | Melian | 1–0 | Aguilar | BA CHESS TITLE - Otorga Norma de IM - Palacio de las Aguas Corrientes | Catalan Opening: Closed | |
| Oct 2, 2025 | Melian | 1–0 | Tokman | Round 1: Melian, Juan Sebastian - Tokman, Ariel | Italian Game: Classical Variation, Greco Gambit | |
| Jul 6, 2025 | Da Silva Borges | 0–1 | Melian | Round 9: Da Silva Borges, Rodrigo - Melian, Juan Sebastian | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Jul 5, 2025 | Melian | 0–1 | Movsziszian | Round 8: Melian, Juan Sebastian - Movsziszian, Karen | Pirc Defense | |
| Jul 4, 2025 | Saiz Rodriguez | 0–1 | Melian | Round 7: Saiz Rodriguez, Daniel Evelio - Melian, Juan Sebastian | Sicilian Defense: Kramnik Variation | |
| Jul 2, 2025 | Delgado Ramirez | 1–0 | Melian | Round 5: Delgado Ramirez, Neuris - Melian, Juan Sebastian | Ruy Lopez: Cozio Defense | |
| Jun 27, 2025 | Melian | ½–½ | Fier | Round 4: Melian, Juan Sebastian - Fier, Alexandr | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jun 19, 2025 | Melian | ½–½ | Francisco Guecamburu | U20 Pan American Chess Championship OPEN 2025 | Sicilian Defense: Moscow Variation, Main Line | |
| Jun 18, 2025 | Melian | 0–1 | Tang | Pana U20 | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Jun 18, 2025 | Hebbar | 1–0 | Melian | U20 Pan American Chess Championship OPEN 2025 | Queen's Gambit Accepted: Old Variation | |
| Jun 17, 2025 | Mou | 0–1 | Melian | U20 Pan American Chess Championship OPEN 2025 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jun 16, 2025 | Melian | 0–1 | Liang | Pana U20 | Zukertort Opening | |
| Jun 16, 2025 | Melian | ½–½ | Ribeiro | U20 Pan American Chess Championship OPEN 2025 | Tarrasch Defense: Dubov Tarrasch | |
| Jun 15, 2025 | Chasin | ½–½ | Melian | Pana U20 | Indian Defense: Knights Variation | |
| Jun 14, 2025 | Melian | 1–0 | Amarilla Ettiene | U20 Pan American Chess Championship OPEN 2025 | Grünfeld Defense: Russian Variation | |
| Jun 14, 2025 | Silva | 0–1 | Melian | U20 Pan American Chess Championship OPEN 2025 | Philidor Defense: Lion Variation | |
| May 30, 2025 | Melian | 0–1 | Shabalov | Round 10: Melian, Juan Sebastian - Shabalov, Alexander | Indian Defense: Anti-Nimzo-Indian | |
| May 25, 2025 | Melian | 0–1 | Bachmann | Round 4: Melian, Juan Sebastian - Bachmann, Axel | Nimzowitsch Defense: Williams Variation | |
| Apr 19, 2025 | Melian | ½–½ | Gomez | Round 9: Melian, Juan Sebastian - Gomez, Carlos David | English Opening: King's English Variation | |
| Apr 18, 2025 | Di Muro | 0–1 | Melian | Round 8: Di Muro, Matias - Melian, Juan Sebastian | Ruy Lopez: Morphy Defense, Schliemann Defense Deferred | |
| Apr 17, 2025 | Melian | 1–0 | Heredia Serrano | Round 7: Melian, Juan Sebastian - Heredia Serrano, Carla | Slav Defense: Quiet Variation, Schallopp Defense | |
| Apr 16, 2025 | Valerga | 1–0 | Melian | Round 6: Valerga, Diego - Melian, Juan Sebastian | Queen's Gambit Accepted: Normal Variation | |
| Apr 15, 2025 | Melian | 1–0 | Ibarra | Round 5: Melian, Juan Sebastian - Ibarra, Juan Martin | Slav Defense: Modern Line | |
| Apr 14, 2025 | Gallego | 0–1 | Melian | Round 4: Gallego, Gonzalo - Melian, Juan Sebastian | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Apr 13, 2025 | Melian | ½–½ | Acosta | Round 3: Melian, Juan Sebastian - Acosta, Franco Emanuel | Queen's Gambit Declined | |
| Apr 13, 2025 | Tobares Dilascio | 0–1 | Melian | Round 2: Tobares Dilascio, Oriana Helena - Melian, Juan Sebastian | Sicilian Defense: Kan Variation, Modern Variation | |
| Apr 12, 2025 | Melian | 1–0 | Olmos | 54° Abierto Internacional Ciudad de Mar del Plata | Caro-Kann Defense: Two Knights Attack | |
| Mar 15, 2025 | Vasquez Toledo | 1–0 | Melian | ZONAL 2.5 ABSOLUTO CHILE 2025 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Mar 14, 2025 | Melian | 1–0 | Valdes Escobar | ZONAL 2.5 ABSOLUTO CHILE 2025 | Indian Defense: Knights Variation | |
| Mar 13, 2025 | Tristan | ½–½ | Melian | ZONAL 2.5 ABSOLUTO CHILE 2025 | Nimzo-Indian Defense: Classical Variation | |
| Mar 12, 2025 | Melian | ½–½ | Salinas Herrera | ZONAL 2.5 ABSOLUTO CHILE 2025 | Nimzowitsch Defense: Mikenas Variation | |
| Mar 12, 2025 | Arias Diaz | 0–1 | Melian | ZONAL 2.5 ABSOLUTO CHILE 2025 | Nimzo-Indian Defense: Normal Variation | |
| Mar 11, 2025 | Melian | 1–0 | Amigo Quintana | ZONAL 2.5 ABSOLUTO CHILE 2025 | Catalan Opening: Open Defense | |
| Mar 10, 2025 | Melian | ½–½ | Torres | ZONAL 2.5 ABSOLUTO CHILE 2025 | Philidor Defense: Lion Variation | |
| Mar 10, 2025 | Heinichen R. | ½–½ | Melian | ZONAL 2.5 ABSOLUTO CHILE 2025 | Sicilian Defense: O'Kelly Variation, Venice System, Barcza Line | |
| Mar 9, 2025 | Jeraldo Zepeda | 0–1 | Melian | ZONAL 2.5 ABSOLUTO CHILE 2025 | Sicilian Defense: Kan Variation, Wing Attack, Fianchetto Variation | |
| Jan 26, 2025 | Melian | ½–½ | Ticona Rocabado | Round 10: Melian, Juan Sebastian - Ticona Rocabado, Licael Roderick | English Opening: Symmetrical Variation | |
| Jan 25, 2025 | Melian | ½–½ | Rodriguez Vila | Round 9: Melian, Juan Sebastian - Rodriguez Vila, Andres | French Defense: Winawer Variation, Alekhine-Maróczy Gambit | |
| Jan 24, 2025 | Salinas Herrera | 0–1 | Melian | Round 8: Salinas Herrera, Pablo - Melian, Juan Sebastian | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Jan 23, 2025 | Melian | ½–½ | Shoker | Round 7: Melian, Juan Sebastian - Shoker, Samy | Modern Defense | |
| Jan 22, 2025 | Souza | 0–1 | Melian | Round 6: Souza, Rafael Cabral De - Melian, Juan Sebastian | Ponziani Opening: Jaenisch Counterattack | |
| Jan 22, 2025 | Delgado Ramirez | ½–½ | Melian | Round 11: Delgado Ramirez, Neuris - Melian, Juan Sebastian | Ruy Lopez: Morphy Defense, Bayreuth Variation | |
| Jan 22, 2025 | Melian | 1–0 | McDonald | Round 10: Melian, Juan Sebastian - McDonald, Ian | English Opening: Agincourt Defense | |
| Jan 22, 2025 | Shoker | 1–0 | Melian | Round 9: Shoker, Samy - Melian, Juan Sebastian | King's Indian Attack: Sicilian Variation | |
| Jan 22, 2025 | Tomiello | 0–1 | Melian | Round 8: Tomiello, Mateus Costamilan - Melian, Juan Sebastian | English Opening: King's English Variation, Two Knights Variation, Smyslov System | |
| Jan 22, 2025 | Melian | ½–½ | Lage | Round 7: Melian, Juan Sebastian - Lage, Pedro Ferreira | Réti Opening | |
| Jan 22, 2025 | Fier | 1–0 | Melian | Round 6: Fier, Alexandr - Melian, Juan Sebastian | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| Jan 22, 2025 | Melian | 1–0 | Santiago | Round 5: Melian, Juan Sebastian - Santiago, Yago De Moura | English Opening: Agincourt Defense | |
| Jan 22, 2025 | Lima | 0–1 | Melian | Round 4: Lima, Stefan Moisei VIeira - Melian, Juan Sebastian | English Opening: King's English Variation | |
| Jan 22, 2025 | Melian | 1–0 | Segato | Round 3: Melian, Juan Sebastian - Segato,Pedro Henrique Pedruzzi | Sicilian Defense: Moscow Variation | |
| Jan 22, 2025 | Silverio | 0–1 | Melian | Round 2: Silverio, Vitor Luis De Jesus - Melian, Juan Sebastian | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Jan 22, 2025 | Melian | 1–0 | Castillo | Round 1: Melian, Juan Sebastian - Castillo, Samir | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Jan 21, 2025 | Melian | ½–½ | Almeida Junior | Round 5: Melian, Juan Sebastian - Almeida Junior, Alvaro Alves de | English Opening: Agincourt Defense | |
| Jan 20, 2025 | Bachmann | ½–½ | Melian | Round 4: Bachmann, Axel - Melian, Juan Sebastian | King's Indian Attack: Sicilian Variation | |