14 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Sandoval, Mario | Hernandez, Mauricio | 1-0 | A01 | Round 9: Sandoval, Mario - Hernandez, Mauricio | 2026-07-04 |
| Sandoval, Mario | Ayala, Rolando | 1-0 | A01 | Round 7: Sandoval, Mario - Ayala, Rolando | 2026-06-27 |
| Sandoval, Mario | Coto Anaya, Walter Alexander | 1/2-1/2 | A01 | Round 5: Sandoval, Mario - Coto Anaya, Walter Alexander | 2026-06-20 |
| Sandoval, Mario | Ibarra, Katherine | 1-0 | A01 | Round 3: Sandoval, Mario - Ibarra, Katherine | 2026-06-13 |
| Sandoval, Mario | Franco, Jorge | 0-1 | D02 | Ronda 8: Sandoval, Mario - Franco, Jorge | 2025-09-20 |
| Sandoval, Mario | Velasquez, Jose Eduardo | 0-1 | A40 | Ronda 7: Sandoval, Mario - Velasquez, Jose Eduardo | 2025-09-13 |
| Sandoval, Mario | Navarrete, Guillermo | 0-1 | B15 | Ronda 2: Sandoval, Mario - Navarrete, Guillermo | 2025-09-01 |
| Sandoval, Mario | Escobar Flamenco, Kilmar Ademir | 0-1 | B21 | Ronda 3: Sandoval, Mario - Escobar Flamenco, Kilmar Ademir | 2025-09-01 |