| Nov 17, 2025 | Salcedo Paez | 0–1 | Culma | Round 7: Salcedo Paez, Diana - Culma, Ruben | King's Indian Defense: Orthodox Variation | |
| Nov 17, 2025 | Culma | 0–1 | Narvaez Ramirez | Round 6: Culma, Ruben - Narvaez Ramirez, Faber Alberto | Queen's Pawn Game: London System | |
| Nov 16, 2025 | Lopez Ramirez | ½–½ | Culma | Round 5: Lopez Ramirez, Jorge Hernan - Culma, Ruben | Modern Defense: Standard Defense | |
| Nov 16, 2025 | Culma | 1–0 | Silva | Round 4: Culma, Ruben - Silva, Jorge | Queen's Pawn Game: Accelerated London System | |
| Nov 15, 2025 | Ladino Hernandez | 0–1 | Culma | Round 3: Ladino Hernandez, Angel Joel - Culma, Ruben | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Nov 15, 2025 | Culma | 1–0 | Macias Chavarro | Round 2: Culma, Ruben - Macias Chavarro, Manuela | Queen's Pawn Game: Accelerated London System | |
| Nov 6, 2025 | Pinzon | 1–0 | Culma | Round 1: Pinzon, Jairo David - Culma, Ruben | Nimzo-Larsen Attack: Modern Variation | |
| Apr 5, 2024 | Salazar | 1–0 | Culma | Round 3: Salazar, Jeyksson - Culma, Ruben | Pirc Defense | |
| Apr 5, 2024 | Ruiz Aguilar | 1–0 | Culma | Round 2: Ruiz Aguilar, Pablo Alexander - Culma, Ruben | Sicilian Defense: Najdorf Variation | |
| Apr 4, 2024 | Culma | 0–1 | Bolanos Lopez | Round 1: Culma, Ruben - Bolanos Lopez, Juan Jacobo | Rubinstein Opening | |
| Dec 8, 2024 | Culma | 0–1 | Estrella Becerra | Round 9: Culma, Ruben - Estrella Becerra, Fernando | Nimzo-Larsen Attack | |
| Dec 8, 2024 | Balaguera | 0–1 | Culma | Round 8: Balaguera, Rafael Enrique - Culma, Ruben | Modern Defense: Standard Defense | |
| Dec 7, 2024 | Culma | 1–0 | Silva Oliveros | Round 6: Culma, Ruben - Silva Oliveros, Juan Angel | Queen's Pawn Game: Symmetrical Variation | |
| Dec 7, 2024 | Culma | 0–1 | Acosta Villarroel | Round 7: Culma, Ruben - Acosta Villarroel, Lorner Jesus | Queen's Pawn Game: Symmetrical Variation | |
| Dec 6, 2024 | Culma | ½–½ | Bolanos Lopez | Round 4: Culma, Ruben - Bolanos Lopez, Juan Jacobo | Nimzo-Larsen Attack: Indian Variation | |
| Dec 6, 2024 | Pinzon | 1–0 | Culma | Round 5: Pinzon, Jairo David - Culma, Ruben | Queen's Pawn Game: Modern Defense | |
| Dec 5, 2024 | Culma | 1–0 | Melgarejo Suarez | Round 2: Culma, Ruben - Melgarejo Suarez, Ariatna Valentina | Queen's Pawn Game: Symmetrical Variation | |
| Dec 5, 2024 | Mejia Herrera | 0–1 | Culma | Round 3: Mejia Herrera, Ruben Alexander - Culma, Ruben | English Opening: Great Snake Variation | |
| Dec 4, 2024 | Santos Rios | 0–1 | Culma | Round 1: Santos Rios, Carlos Gabriel - Culma, Ruben | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
