19 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Clasby, Derek | Shvarts, Tim | 1/2-1/2 | C95 | 54th World Open - 2026 | 2026-07-05 |
| Clasby, Derek | Kaplan, Avi Harrison | 1-0 | B53 | 54th World Open - 2026 | 2026-07-03 |
| Clasby, Derek | Urazayev, Arystanbek | 1/2-1/2 | C78 | 52nd Annual World Open | 2024-07-06 |
| Clasby, Derek | Slade, Theodore | 1-0 | C50 | 52nd Annual World Open | 2024-07-05 |
| Clasby, Derek | Durarbayli, Vasif | 0-1 | C88 | Round 2: Clasby, Derek - Durarbayli, Vasif | 2024-07-04 |
| Derek Clasby | Pedro Espinosa | 1-0 | B68 | Round 9: Derek Clasby - Pedro Espinosa | 2023-08-16 |
| Derek Clasby | Zachary Tanenbaum | 0-1 | C77 | Round 5: Derek Clasby - Zachary Tanenbaum | 2023-08-14 |
| Derek Clasby | Sandeep Sethuraman | 1/2-1/2 | B51 | Round 7: Derek Clasby - Sandeep Sethuraman | 2022-12-11 |
| Derek Clasby | Ryan Peterson | 1/2-1/2 | C49 | Round 3: Derek Clasby - Ryan Peterson | 2022-12-10 |
| Derek Clasby | Merric Hu | 1-0 | B31 | Round 5: Derek Clasby - Merric Hu | 2022-12-10 |
| Derek Clasby | Emilio Cordova | 0-1 | B30 | Round 3: Derek Clasby - Emilio Cordova | 2022-11-24 |
| Derek Clasby | Brandon Jacobson | 0-1 | B52 | Round 1: Derek Clasby - Brandon Jacobson | 2022-08-15 |