| Feb 15, 2026 | Jimenez Garcia | 1–0 | Chinchilla Miranda | Campeonato Nacional Absoluto 2026 | Zukertort Opening | |
| Feb 14, 2026 | Chinchilla Miranda | 0–1 | Cabezas Solano | Campeonato Nacional Absoluto 2026 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Feb 8, 2026 | Espitia Torres | 0–1 | Chinchilla Miranda | Campeonato Nacional Absoluto 2026 | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Feb 7, 2026 | Chinchilla Miranda | 0–1 | Quesada Fallas | Campeonato Nacional Absoluto 2026 | King's Indian Defense: Orthodox Variation, Aronin-Taimanov Defense | |
| Feb 7, 2026 | Quesada Leon | 1–0 | Chinchilla Miranda | Campeonato Nacional Absoluto 2026 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Feb 7, 2026 | Chinchilla Miranda | 0–1 | Fernandez Sanchez | Campeonato Nacional Absoluto 2026 | Philidor Defense: Lion Variation | |
| Jan 31, 2026 | Lizano Quiros | 1–0 | Chinchilla Miranda | Campeonato Nacional Absoluto 2026 | Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid | |
| Jan 31, 2026 | Chinchilla Miranda | ½–½ | Vives Rodriguez | Campeonato Nacional Absoluto 2026 | Slav Defense: Modern Line | |
| Jan 30, 2026 | Solano Cordero | ½–½ | Chinchilla Miranda | Campeonato Nacional Absoluto 2026 | Queen's Gambit Declined: Queen's Knight Variation | |
| Jan 30, 2026 | Chinchilla Miranda | 0–1 | Valdes Romero | Campeonato Nacional Absoluto 2026 | King's Indian Defense: Makogonov Variation | |
| Jan 29, 2026 | Chinchilla Miranda | 0–1 | Mihajlov | Campeonato Nacional Absoluto 2026 | Slav Defense: Geller Gambit | |
| Dec 30, 2025 | Lizano Quiros | ½–½ | Chinchilla Miranda | XLVI Metropolitano Torneo Internacional 2025 A | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Dec 29, 2025 | Chinchilla Miranda | ½–½ | Mayorga Araya | XLVI Metropolitano Torneo Internacional 2025 A | Queen's Gambit Declined: Harrwitz Attack | |
| Dec 29, 2025 | Cespedes Rodriguez | 0–1 | Chinchilla Miranda | XLVI Metropolitano Torneo Internacional 2025 A | French Defense: Exchange Variation, Svenonius Variation | |
| Dec 28, 2025 | Chinchilla Miranda | 1–0 | Aroche Cobos | XLVI Metropolitano Torneo Internacional 2025 A | King's Indian Defense: Orthodox Variation, Donner Defense | |
| Dec 28, 2025 | Ramos Rodriguez | ½–½ | Chinchilla Miranda | XLVI Metropolitano Torneo Internacional 2025 A | Vienna Game: Vienna Gambit, Bardeleben Variation | |
| Dec 27, 2025 | Chinchilla Miranda | 0–1 | Quesada Leon | XLVI Metropolitano Torneo Internacional 2025 A | King's Indian Attack: Symmetrical Defense | |
| Dec 27, 2025 | Solano Cordero | 1–0 | Chinchilla Miranda | XLVI Metropolitano Torneo Internacional 2025 A | Ruy Lopez: Closed, Delayed Exchange | |
| Dec 26, 2025 | Chinchilla Miranda | 1–0 | Aguero Espinoza | XLVI Metropolitano Torneo Internacional 2025 A | King's Indian Attack | |
| Dec 26, 2025 | Avendano Porras | ½–½ | Chinchilla Miranda | XLVI Metropolitano Torneo Internacional 2025 A | Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid | |
| Dec 14, 2025 | Chinchilla Miranda | 0–1 | Jimenez Garcia | I Torneo Abierto de Ajedrez Activo Ing.Ricardo Charpentier In Memorian | Queen's Indian Accelerated | |
| Dec 14, 2025 | Chinchilla Miranda | 0–1 | Gonzalez Acosta | I Torneo Abierto de Ajedrez Activo Ing.Ricardo Charpentier In Memorian | Slav Defense: Geller Gambit | |
| Nov 5, 2023 | Darcy Lima | ½–½ | Eugenio Chinchilla Miranda | Round 11: Darcy Lima - Eugenio Chinchilla Miranda | English Opening: Neo-Catalan | |
| Nov 2, 2023 | Eugenio Chinchilla Miranda | 0–1 | Ashot Nadanian | Round 8: Eugenio Chinchilla Miranda - Ashot Nadanian | Nimzo-Indian Defense: Classical Variation, Berlin Variation, Pirc Variation | |
| Oct 30, 2023 | Eugenio Chinchilla Miranda | 0–1 | Frank Holzke | 50+ World Senior Championship | English Defense: Perrin Variation | |
| Oct 26, 2023 | Chinchilla Miranda | 0–1 | Matamoros Franco | 50+ World Senior Championship | English Defense | |
| Oct 25, 2023 | Schneider | * | Chinchilla Miranda | 50+ World Senior Championship | ? | |
| Feb 19, 2022 | Eugenio Chinchilla Miranda | 1–0 | Yahir Alberto Francisco Cruz | Round 9: Eugenio Chinchilla Miranda - Yahir Alberto Francisco Cruz | Grünfeld Defense: Russian Variation, Hungarian Variation | |
| Feb 19, 2022 | Eugenio Chinchilla Miranda | 1–0 | Felipe De Jesus Torres Rivas | Round 7: Eugenio Chinchilla Miranda - Felipe De Jesus Torres Rivas | Queen's Gambit Declined: Harrwitz Attack | |
| Feb 19, 2022 | Emmanuel Jimenez Garcia | 1–0 | Eugenio Chinchilla Miranda | Round 8: Emmanuel Jimenez Garcia - Eugenio Chinchilla Miranda | Nimzo-Larsen Attack: Classical Variation | |
| Feb 17, 2022 | Eugenio Chinchilla Miranda | 0–1 | Jose Gabriel Cardoso Cardoso | Round 6: Eugenio Chinchilla Miranda - Jose Gabriel Cardoso Cardoso | Nimzo-Indian Defense: Classical Variation | |
| Feb 17, 2022 | Marco Cortes Rodriguez | 0–1 | Eugenio Chinchilla Miranda | Round 5: Marco Cortes Rodriguez - Eugenio Chinchilla Miranda | Réti Opening: Advance Variation | |
| Feb 17, 2022 | Eugenio Chinchilla Miranda | 1–0 | Paulo Santanna | Round 4: Eugenio Chinchilla Miranda - Paulo Santanna | Nimzo-Indian Defense: Classical Variation | |
| Feb 17, 2022 | Piero Raul Lopez Padilla | ½–½ | Eugenio Chinchilla Miranda | Round 3: Piero Raul Lopez Padilla - Eugenio Chinchilla Miranda | Queen's Gambit Declined | |
| Feb 17, 2022 | Eugenio Chinchilla Miranda | 0–1 | Carlos Daniel Albornoz Cabrera | Round 2: Eugenio Chinchilla Miranda - Carlos Daniel Albornoz Cabrera | Nimzo-Indian Defense: Sämisch Variation | |
