| Oct 28, 2025 | Mejia Romero | 1–0 | Jaseth Blanquicett | Round 6: Mejia Romero, Arlon Maiko - Jaseth Blanquicett | Italian Game | |
| Oct 28, 2025 | Otero | 1–0 | Mejia Romero | Round 5: Otero, Juan David - Mejia Romero, Arlon Maiko | Benoni Defense: Old Benoni | |
| Oct 28, 2025 | Mejia Romero | 0–1 | Rumbo Rojas | Round 4: Mejia Romero, Arlon Maiko - Rumbo Rojas, Juan Pablo | Sicilian Defense: Modern Variations | |
| Oct 27, 2025 | Sanchez Burgos | 1–0 | Mejia Romero | Round 2: Sanchez Burgos, Carlos Antonio - Mejia Romero, Arlon Maiko | Bishop's Opening: Berlin Defense | |
| Oct 27, 2025 | Mejia Romero | 0–1 | Franco Torres | Round 1: Mejia Romero, Arlon Maiko - Franco Torres, Jeronimo | Four Knights Game: Italian Variation | |
| Oct 27, 2025 | Mejia Romero | 0–1 | Sierra Castillo | Round 6: Mejia Romero, Arlon Maiko - Sierra Castillo, Eyber | Queen's Gambit Declined: Modern Variation, Normal Line | |
| Oct 26, 2025 | Mejia Romero | 0–1 | Valencia Lopez | Round 5: Mejia Romero, Arlon Maiko - Valencia Lopez, Rudiger Estiven | Sicilian Defense | |
| Oct 26, 2025 | Garcia Siabato | 1–0 | Mejia Romero | Round 4: Garcia Siabato, Cristian Camilo - Mejia Romero, Arlon Maiko | Queen's Pawn Game: Chigorin Variation | |
| Oct 25, 2025 | Otero | 0–1 | Mejia Romero | Round 3: Otero, Juan David - Mejia Romero, Arlon Maiko | Benoni Defense: Old Benoni | |
| Oct 25, 2025 | Mejia Romero | 0–1 | Salamanca | Round 2: Mejia Romero, Arlon Maiko - Salamanca, Juan Manuel | Sicilian Defense: Bowdler Attack | |
| Jun 9, 2024 | Arlon Maiko Mejia Romero | 1–0 | Sander Erlanyi Pinto Santos | Round 12: Arlon Maiko Mejia Romero - Sander Erlanyi Pinto Santos | Bishop's Opening: Boi Variation | |
| Jun 9, 2024 | Sander Erlanyi Pinto Santos | 0–1 | Arlon Maiko Mejia Romero | Round 11: Sander Erlanyi Pinto Santos - Arlon Maiko Mejia Romero | Horwitz Defense | |
| Jun 9, 2024 | Arlon Maiko Mejia Romero | 0–1 | Pinedo Fernandez | Round 9: Arlon Maiko Mejia Romero - Pinedo Fernandez, David Rebey | Scandinavian Defense: Modern Variation | |
| Jun 9, 2024 | Arlon Maiko Mejia Romero | 0–1 | Carlos Steven Arango Vanegas | Round 8: Arlon Maiko Mejia Romero - Carlos Steven Arango Vanegas | ? | |
| Jun 9, 2024 | Carlos Steven Arango Vanegas | 1–0 | Arlon Maiko Mejia Romero | Round 7: Carlos Steven Arango Vanegas - Arlon Maiko Mejia Romero | King's Pawn Game | |
| Jun 9, 2024 | Juan Jose Castro Alvaran | 1–0 | Arlon Maiko Mejia Romero | Round 6: Juan Jose Castro Alvaran - Arlon Maiko Mejia Romero | Vienna Game | |
| Jun 9, 2024 | Arlon Maiko Mejia Romero | 0–1 | Juan Jose Castro Alvaran | Round 5: Arlon Maiko Mejia Romero - Juan Jose Castro Alvaran | King's Pawn Game: MacLeod Attack | |
| Jun 9, 2024 | Torres Diaz | 1–0 | Arlon Maiko Mejia Romero | Round 4: Torres Diaz, Juan Manuel - Arlon Maiko Mejia Romero | French Defense: Normal Variation | |
| Jun 9, 2024 | Arlon Maiko Mejia Romero | 0–1 | Torres Diaz | Round 3: Arlon Maiko Mejia Romero - Torres Diaz, Juan Manuel | Four Knights Game: Italian Variation | |
| Jun 9, 2024 | Soto Ramirez | 1–0 | Arlon Maiko Mejia Romero | Round 2: Soto Ramirez, Andres Camilo - Arlon Maiko Mejia Romero | King's Knight Opening | |
| Jun 9, 2024 | Arlon Maiko Mejia Romero | 0–1 | Soto Ramirez | Round 1: Arlon Maiko Mejia Romero - Soto Ramirez, Andres Camilo | Sicilian Defense: Bowdler Attack | |
| Jun 9, 2024 | Arlon Maiko Mejia Romero | 0–1 | Juan Jose Castro Alvaran | Round 6: Arlon Maiko Mejia Romero - Juan Jose Castro Alvaran | King's Pawn Game | |
| Jun 9, 2024 | Andres Felipe Moreno Hurtado | 1–0 | Arlon Maiko Mejia Romero | Round 5: Andres Felipe Moreno Hurtado - Arlon Maiko Mejia Romero | Vienna Game | |
| Jun 9, 2024 | Arlon Maiko Mejia Romero | 0–1 | Augusto Rafael Molina Jimenez | Round 4: Arlon Maiko Mejia Romero - Augusto Rafael Molina Jimenez | Bishop's Opening: Berlin Defense | |
| Jun 8, 2024 | Sander Erlanyi Pinto Santos | ½–½ | Arlon Maiko Mejia Romero | Round 3: Sander Erlanyi Pinto Santos - Arlon Maiko Mejia Romero | Horwitz Defense | |
| Jun 8, 2024 | Arlon Maiko Mejia Romero | 0–1 | Salamanca | Round 2: Arlon Maiko Mejia Romero - Salamanca, Juan Manuel | Sicilian Defense: Bowdler Attack | |
| Nov 25, 2024 | Mejia Romero | 0–1 | Amaya Chiquillo | Round 4: Mejia Romero, Arlon Maiko - Amaya Chiquillo, Andersson | Caro-Kann Defense | |
| Nov 25, 2024 | Mejia Romero | 0–1 | Navarro Chima | Round 5: Mejia Romero, Arlon Maiko - Navarro Chima, Alvey Antonio | Sicilian Defense: Smith-Morra Gambit | |
| Nov 25, 2024 | Mejia Romero | 0–1 | Soto Ramirez | Round 2: Mejia Romero, Arlon Maiko - Soto Ramirez, Andres Camilo | Queen's Pawn Game: Colle System | |
| Nov 25, 2024 | Mejia Romero | 0–1 | Hurtado Molina | Round 3: Mejia Romero, Arlon Maiko - Hurtado Molina, Jeanpier Camilo | Sicilian Defense | |
| Nov 25, 2024 | Mejia Romero | * | Cicero Velasquez | Round 6: Mejia Romero, Arlon Maiko - Cicero Velasquez, Jesus David | ? | |
| Nov 25, 2024 | Chicunque Espana | 1–0 | Mejia Romero | Round 6: Chicunque Espana, Esteban Mauricio - Mejia Romero, Arlon Maiko | Queen's Pawn Game: Chigorin Variation | |
| Nov 25, 2024 | Soto Ramirez | 1–0 | Mejia Romero | Round 1: Soto Ramirez, Andres Camilo - Mejia Romero, Arlon Maiko | Modern Defense: Two Knights Variation | |
| Nov 25, 2024 | Hurtado Molina | 1–0 | Mejia Romero | Round 4: Hurtado Molina, Jeanpier Camilo - Mejia Romero, Arlon Maiko | English Opening: King's English Variation | |
| Nov 25, 2024 | Cicero Velasquez | * | Mejia Romero | Round 5: Cicero Velasquez, Jesus David - Mejia Romero, Arlon Maiko | ? | |
| Nov 24, 2024 | Mejia Romero | 1–0 | Noguera Lozano | Round 7: Mejia Romero, Arlon Maiko - Noguera Lozano, Elias Armando | King's Pawn Game: Wayward Queen Attack, Kiddie Countergambit | |
| Nov 24, 2024 | Mejia Romero | 1–0 | Fajardo Ordonez | Round 2: Mejia Romero, Arlon Maiko - Fajardo Ordonez, Luis Ever | King's Pawn Game: Wayward Queen Attack | |
| Nov 24, 2024 | Rodriguez | 1–0 | Mejia Romero | Round 1: Rodriguez, William Nicolas - Mejia Romero, Arlon Maiko | Kangaroo Defense | |
| Nov 24, 2024 | Diaz Alzate | 1–0 | Mejia Romero | Round 3: Diaz Alzate, Thomas - Mejia Romero, Arlon Maiko | Scotch Game | |
| Nov 23, 2024 | Serrato Perilla | 1–0 | Mejia Romero | Round 5: Serrato Perilla, Marco Alejandro - Mejia Romero, Arlon Maiko | Horwitz Defense | |
| Nov 22, 2024 | Mejia Romero | 0–1 | Jeanpier Camilo Hurtado Molina | Round 4: Mejia Romero, Arlon Maiko - Jeanpier Camilo Hurtado Molina | Sicilian Defense | |
| Nov 22, 2024 | Carvajal | 1–0 | Mejia Romero | Round 3: Carvajal, Juan Andres - Mejia Romero, Arlon Maiko | Italian Game: Two Knights Defense | |
| Nov 21, 2024 | Mejia Romero | 0–1 | Esteban Mauricio Chicunque Espana | Round 2: Mejia Romero, Arlon Maiko - Esteban Mauricio Chicunque Espana | Italian Game: Two Knights Defense, Knight Attack, Normal Variation | |
