41 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Widelski, Kacper | Bajer, Tomasz | 0-1 | C11 | Open A | 2026-08-07 |
| Widelski, Kacper | Plachta, Milosz | 1-0 | B43 | Open A | 2026-08-05 |
| Widelski, Kacper | Macura, Mateusz | 1-0 | C15 | Open A | 2026-08-03 |
| Widelski, Kacper | Ladon, Jeremi | 1/2-1/2 | C45 | Open A | 2026-08-01 |
| Widelski, Kacper | Zajac, Szymon | 0-1 | C11 | Zenera_Mistrzostwa_Polski_Amatorow_w_Szachach_Szybkich_do_2200_FIDE | 2026-06-03 |
| Widelski, Kacper | Guzik, Jolanta | 1/2-1/2 | C45 | new tournament description | 2026-04-18 |
| Widelski, Kacper | Gabka, Pawel | 1/2-1/2 | C12 | new tournament description | 2026-04-17 |
| Widelski, Kacper | Hackner, Oskar Anton | 0-1 | C13 | new tournament description | 2026-04-14 |
| Widelski, Kacper | Sycz, Michal | 1-0 | B00 | new tournament description | 2026-04-12 |
| Widelski, Kacper | Klimuszko, Maciej | 1-0 | B46 | Round 1: Widelski, Kacper - Klimuszko, Maciej | 2026-01-11 |
| Widelski, Kacper | Jedynak, Radoslaw | 1/2-1/2 | C15 | Round 3: Widelski, Kacper - Jedynak, Radoslaw | 2026-01-11 |
| Widelski, Kacper | Wasilewicz, Wawrzyniec | 1-0 | B52 | Round 5: Widelski, Kacper - Wasilewicz, Wawrzyniec | 2026-01-11 |
| Widelski, Kacper | Szczotka, Klara | 0-1 | A34 | Round 8: Widelski, Kacper - Szczotka, Klara | 2026-01-11 |
| Widelski, Kacper | Krajdocha, Konrad | 1/2-1/2 | B13 | Runda 8: Widelski, Kacper - Krajdocha, Konrad | 2025-12-30 |
| Widelski, Kacper | Ciszewski, Krzysztof | 1-0 | B51 | Runda 6: Widelski, Kacper - Ciszewski, Krzysztof | 2025-12-29 |
| Widelski, Kacper | Rabiej, Mateusz | 1-0 | B45 | Runda 4: Widelski, Kacper - Rabiej, Mateusz | 2025-12-28 |
| Widelski, Kacper | Reshetniak, Vitaliy | 0-1 | B43 | Runda 2: Widelski, Kacper - Reshetniak, Vitaliy | 2025-12-27 |
| Widelski, Kacper | Zimina, Olga | 0-1 | D15 | Katowice | 2022-12-17 |
| Widelski, Kacper | Blohberger, Felix | 0-1 | A20 | Katowice | 2022-12-16 |
| Widelski, Kacper | Flasinski, Michal | 0-1 | B14 | ME rapid 2021 | 2021-12-19 |
| Widelski, Kacper | Szwed, Jacek | 0-1 | A36 | European Blitz Chess Championship 2021 | 2021-12-17 |