9 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Vachtfeidl, Petr | Hughes, Anthony | 0-1 | C41 | 5th Kingston Invitational Swiss | 2026-09-04 |
| Vachtfeidl, Petr | Cowan, Xavier | 1-0 | B90 | 5th Kingston Invitational Swiss | 2026-08-20 |
| Vachtfeidl, Petr | Ding, Yicheng | 1/2-1/2 | B15 | 5th Kingston Invitational Swiss | 2026-08-20 |
| Vachtfeidl, Petr | Villiers, Thomas | 0-1 | B60 | Kingston Invitational Swiss 2026 | 2026-08-19 |
| Vachtfeidl, Petr | Razhnou, Lev | 1-0 | C11 | 5th Kingston Invitational Swiss | 2026-08-19 |