29 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Kotkowski, Jacek Stefan | Stempak, Lukasz | 1/2-1/2 | D05 | Memoria? Adolfa Anderssena - OPEN C | 2026-08-08 |
| Kotkowski, Jacek Stefan | Walentynowicz, Michal | 1-0 | C00 | Memoria? Adolfa Anderssena - OPEN C | 2026-08-07 |
| Kotkowski, Jacek Stefan | Szydziak, Damian | 0-1 | C00 | Memoria? Adolfa Anderssena - OPEN C | 2026-08-05 |
| Kotkowski, Jacek Stefan | Klek, Mikolaj | 0-1 | B32 | Memoria? Adolfa Anderssena - OPEN C | 2026-08-03 |
| Kotkowski, Jacek Stefan | Chromicz, Andrzej | 0-1 | C41 | Memoria? Adolfa Anderssena 2026 | 2026-08-01 |
| Kotkowski, Jacek Stefan | Olejniczak, Romuald | 1-0 | C44 | Memoria? Adolfa Anderssena 2026 | 2026-08-01 |
| Kotkowski, Jacek Stefan | Karolak, Andrzej | 1-0 | B11 | Memoria? Adolfa Anderssena 2026 | 2026-08-01 |
| Kotkowski, Jacek Stefan | Kobryn, Mateusz | 1-0 | A82 | Memoria? Adolfa Anderssena 2026 | 2026-08-01 |
| Kotkowski, Jacek Stefan | Tarasionak, Arseni | 0-1 | B06 | Festiwal Adolfa Anderssena 2024 C | 2024-08-10 |
| Kotkowski, Jacek Stefan | Zeglinski, Jakub | 1-0 | B32 | Festiwal Adolfa Anderssena 2024 C | 2024-08-09 |
| Kotkowski, Jacek Stefan | Briseid, Eskil Reikvam | 1-0 | B48 | Landsturneringen 2024 | 2024-07-05 |
| Kotkowski, Jacek Stefan | van der Meulen, Andreas Jan | 0-1 | B35 | Landsturneringen 2024 | 2024-07-03 |
| Kotkowski, Jacek Stefan | Hellerud, Thomas Nissen | 1-0 | B33 | Landsturneringen 2024 | 2024-07-02 |
| Kotkowski, Jacek Stefan | Solskinnsbakk, Emthe | * | B90 | Landsturneringen 2024 | 2024-06-30 |