10 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Kotsev, Momchil | Kalinak, Martin | 1/2-1/2 | A56 | EUCC 2026 U10 | 2026-08-26 |
| Kotsev, Momchil | Matala, Sophia-Lenina | 1-0 | D32 | EUCC 2026 U10 | 2026-08-25 |
| Kotsev, Momchil | Gundecha, Avyan | 0-1 | D55 | EUCC 2026 U10 | 2026-08-23 |
| Kotsev, Momchil | Hongbei Liu, Linnea | 1/2-1/2 | D31 | EUCC 2026 U10 | 2026-08-21 |
| Kotsev, Momchil | Hornacek, Tomas | 1-0 | D37 | EUCC 2026 U10 | 2026-08-19 |
| Kotsev, Momchil | Koev, Georgi | 0-1 | D32 | 48th OPEN, G. TRINGOV MEMORIAL, Group A, 09-16.08.2026 | 2026-08-09 |