9 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Quartz, Konstantin | Mündörfer, Sebastian | 1/2-1/2 | B27 | DEM U12 2021 | 2021-08-29 |
| Quartz, Konstantin | Ehses, Julius | 1-0 | C54 | DEM U12 2021 | 2021-08-26 |
| Quartz, Konstantin | Middendorf, Sven-Jonas | 0-1 | C56 | DEM U12 2021 | 2021-08-26 |
| Quartz, Konstantin | Wieser, Rouven | 0-1 | B14 | DEM U12 2021 | 2021-08-24 |
| Quartz, Konstantin | Jahnz, Laurin | 0-1 | B01 | DEM U12 2021 | 2021-08-23 |