12 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Mackowiak, Szymon | Zeissel, Andrzej | 0-1 | A88 | Round 4: Mackowiak, Szymon - Zeissel, Andrzej | 2024-04-21 |
| Mackowiak, Szymon | Swiderski, Radoslaw | 1/2-1/2 | A70 | Round 2: Mackowiak, Szymon - Swiderski, Radoslaw | 2024-04-20 |
| Mackowiak, Szymon | Przybys, Bruno | 1-0 | D18 | III Letni Puchar Malopolski - Tauron 2022 | 2022-08-08 |
| Mackowiak, Szymon | Morczynski, Joachim | 1-0 | D85 | III Letni Puchar Malopolski - Tauron 2022 | 2022-08-06 |
| Mackowiak, Szymon | Fizer, Marek | 0-1 | D55 | III Letni Puchar Malopolski - Tauron 2022 | 2022-08-05 |
| Mackowiak, Szymon | Sygulski, Piotr | 1/2-1/2 | D55 | III Letni Puchar Malopolski - Tauron 2022 | 2022-08-04 |
| Mackowiak, Szymon | Zylka, Stanislaw | 1/2-1/2 | D85 | ME rapid 2021 | 2021-12-18 |