29 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Maciaszek, Karol | Czachor, Radoslaw | 1-0 | A45 | II Liga 2026 | 2026-09-05 |
| Maciaszek, Karol | Swiderski, Radoslaw | 0-1 | C41 | II Liga 2026 | 2026-09-04 |
| Maciaszek, Karol | Chmielarz, Maciej | 1/2-1/2 | D15 | II Liga 2026 | 2026-09-02 |
| Maciaszek, Karol | Smusz, Kamil | 1-0 | D43 | 2 liga 2025 1 | 2025-09-05 |
| Maciaszek, Karol | Czyz, Artur | 1-0 | A45 | 2 liga 2025 1 | 2025-09-03 |
| Maciaszek, Karol | Maka, Marcin | 1-0 | D51 | 2 liga 2025 1 | 2025-09-02 |
| Karol Maciaszek | Zbigniew Wiatrowski | 1-0 | A45 | XIX International Chess Festival Baltic Pearl 2023 - Group A 1-13, 20-21 | 2023-07-03 |
| Karol Maciaszek | Milosz Bury | 1-0 | A45 | XIX International Chess Festival Baltic Pearl 2023 - Group A 1-13, 20-21 | 2023-07-01 |
| Karol Maciaszek | Dawid Oglaza | 1-0 | A45 | Baltic Pearl Festival 2023 Group A Board 14 -19 | 2023-06-29 |
| Karol Maciaszek | Aleksander Lonski | 1/2-1/2 | D00 | Baltic Pearl Festival 2023 Group A Board 14 -19 | 2023-06-27 |
| Maciaszek, Karol | Sidorczuk, Pawel | 1/2-1/2 | A45 | DMPJ - I Liga 2023 | 2023-06-19 |
| Maciaszek, Karol | Gradalski, Olaf | 1/2-1/2 | D00 | DMPJ - I Liga 2023 | 2023-06-18 |
| Maciaszek, Karol | Lochinski, Pawel | 1-0 | A45 | DMPJ - I Liga 2023 | 2023-06-15 |