16 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Hiszczynski, Jakub | Pacuszka, Tomasz | 1-0 | B12 | DMP II LIga 2024 1 | 2024-09-07 |
| Hiszczynski, Jakub | Zabron, Maksym | 1-0 | B47 | DMP II LIga 2024 1 | 2024-09-05 |
| Hiszczynski, Jakub | Majcher, Igor | 1/2-1/2 | B90 | DMP II LIga 2024 1 | 2024-09-03 |
| Hiszczynski, Jakub | Wojtkowski, Pawel | 0-1 | C02 | DMP II LIga 2024 1 | 2024-09-01 |
| Jakub Hiszczynski | Maja Ziobrowska | 1/2-1/2 | A27 | Baltic Pearl Festival 2023 Group A Board 14 -19 | 2023-07-03 |
| Jakub Hiszczynski | Grzegorz Marek | 1/2-1/2 | B33 | Baltic Pearl Festival 2023 Group A Board 14 -19 | 2023-07-01 |
| Jakub Hiszczynski | Jakub Bartlomowicz | 0-1 | C45 | Baltic Pearl Festival 2023 Group A Board 14 -19 | 2023-06-29 |
| Jakub Hiszczynski | Lena Mroz | 0-1 | B43 | XIX International Chess Festival Baltic Pearl 2023 - Group A 1-13, 20-21 | 2023-06-27 |