26 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Kitaeff Mattison, Andres Constantin | Rodrigues Onofre, Caterina | 1-0 | B23 | V Panama Chess Open 2026 | 2026-08-29 |
| Kitaeff Mattison, Andres Constantin | Quintero Garzola, Gabriel Conrado | 0-1 | B13 | V Panama Chess Open 2026 | 2026-08-29 |
| Kitaeff Mattison, Andres Constantin | Navarro Barrios, Andres Daniel | 0-1 | B23 | V Panama Chess Open 2026 | 2026-08-27 |
| Kitaeff Mattison, Andres Constantin | Garvin Mejia, Ricardo Luis | 0-1 | B23 | V Panama Chess Open 2026 | 2026-08-26 |
| Kitaeff Mattison, Andres Constantin | Hylton, Jayden | 0-1 | C54 | Round 7: Kitaeff Mattison, Andres Constantin - Hylton, Jayden | 2026-08-15 |
| Kitaeff Mattison, Andres Constantin | Trujillo Castaneda, Maria Antonia | 1-0 | B13 | Round 8: Kitaeff Mattison, Andres Constantin - Trujillo Castaneda, Maria Antonia | 2026-08-15 |
| Kitaeff Mattison, Andres Constantin | Niembro Cortes, Iker Rodrigo | 1/2-1/2 | B23 | Round 5: Kitaeff Mattison, Andres Constantin - Niembro Cortes, Iker Rodrigo | 2026-08-14 |
| Kitaeff Mattison, Andres Constantin | Andrade, Mateo | 1-0 | C54 | Round 6: Kitaeff Mattison, Andres Constantin - Andrade, Mateo | 2026-08-14 |
| Kitaeff Mattison, Andres Constantin | Rojas Salas, Rihanna Irina | 0-1 | B23 | Round 3: Kitaeff Mattison, Andres Constantin - Rojas Salas, Rihanna Irina | 2026-08-13 |
| Kitaeff Mattison, Andres Constantin | Roa Lugo, Enmanuel de Jesus | 0-1 | B23 | NO HIDE - Nacional por categorias | 2026-02-28 |
| Kitaeff Mattison, Andres Constantin | Mendez Machado, Fatima | 0-1 | C54 | Round 4: Kitaeff Mattison, Andres Constantin - Mendez Machado, Fatima | 2024-11-09 |
| Kitaeff Mattison, Andres Constantin | Aitmukhanov, Arsen | 0-1 | B30 | FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025 | |
| Kitaeff Mattison, Andres Constantin | Jansone, Melanija Luize | 0-1 | B08 | FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025 | |
| Kitaeff Mattison, Andres Constantin | Wysocki, Jakub | 1-0 | C54 | FIDE WORLD SCHOOLS TEAM CHAMPIONSHIP 2025 |