41 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Blaszkiewicz, Jakub | Borischik, Sergey | 0-1 | B23 | Rapid C18 | 2026-07-11 |
| Blaszkiewicz, Jakub | Warchol, Kamil | 0-1 | B25 | rzeszow | 2026-07-09 |
| Blaszkiewicz, Jakub | Curylo, Adrian | 1-0 | C77 | IV Dolnoslaska Liga Juniorow 2026 | 2026-03-21 |
| Blaszkiewicz, Jakub | Kornak, Maksymilian | 1-0 | B23 | IV Dolnoslaska Liga Juniorow 2026 | 2026-03-21 |
| Blaszkiewicz, Jakub | Griman, Hubert | 1-0 | B23 | IV Dolnoslaska Liga Juniorow 2026 | 2026-03-21 |
| Blaszkiewicz, Jakub | Madalski, Piotr | 1-0 | B25 | IV Dolnoslaska Liga Juniorow 2026 | 2026-03-21 |
| Blaszkiewicz, Jakub | Korszanski, Stanislaw | 0-1 | C63 | MP-rapid25 | 2025-10-04 |
| Blaszkiewicz, Jakub | Quindos Cesteros, Guillermo | 0-1 | B24 | Semana Santa B. 2025 | 2025-04-21 |
| Blaszkiewicz, Jakub | Garceran Perez, Alejandro | 1/2-1/2 | C65 | Semana Santa B. 2025 | 2025-04-20 |
| Blaszkiewicz, Jakub | Baltrunas, Arvydas | 1-0 | C00 | Semana Santa B. 2025 | 2025-04-18 |
| Blaszkiewicz, Jakub | Martinez Echezarreta, Miguel 200 | 1-0 | C00 | Semana Santa B. 2025 | 2025-04-17 |
| Jakub Blaszkiewicz | Szymon Borkowski | 1/2-1/2 | B38 | Baltic Pearl Festival 2023 Group A Board 14 -19 | 2023-07-04 |
| Jakub Blaszkiewicz | Jakub Strawa | 1/2-1/2 | C84 | XIX International Chess Festival Baltic Pearl 2023 - Group A 1-13, 20-21 | 2023-07-02 |
| Jakub Blaszkiewicz | Jakub Hiszczynski | 0-1 | B96 | Baltic Pearl Festival 2023 Group A Board 14 -19 | 2023-06-30 |
| Jakub Blaszkiewicz | Milosz Bury | 0-1 | B99 | XIX International Chess Festival Baltic Pearl 2023 - Group A 1-13, 20-21 | 2023-06-28 |
| Blaszkiewicz, Jakub | Kowalski, Witold | 0-1 | B40 | pmpjc13 | 2021-11-18 |
| Blaszkiewicz, Jakub | Bartnik, Michal | 1/2-1/2 | C07 | pmpjc13 | 2021-11-16 |
| Blaszkiewicz, Jakub | Gawlik, Olivier | 1-0 | B28 | pmpjc13 | 2021-11-15 |
| Blaszkiewicz, Jakub | Perez Puyal, Jose Joaquin | 1-0 | B01 | Ronda 3: Blaszkiewicz, Jakub - Perez Puyal, Jose Joaquin | |
| Blaszkiewicz, Jakub | Serrano Prio, Roc | 1/2-1/2 | C60 | Ronda 5: Blaszkiewicz, Jakub - Serrano Prio, Roc |