31 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Kupczyk, Jan | Stefanowicz, Piotr | 0-1 | C12 | Open C | 2026-08-02 |
| Kupczyk, Jan | Kruczkowski, Radoslaw | 1-0 | B12 | Zenera_Mistrzostwa_Polski_Amatorow_w_Szachach_Szybkich_do_1900_FIDE | 2026-06-06 |
| Kupczyk, Jan | Sopel, Jonatan Jan | 1-0 | B01 | Open-3 | 2025-06-02 |
| Kupczyk, Jan | Dubiel, Antoni | 0-1 | B27 | Open-3 | 2025-06-02 |
| Kupczyk, Jan | Karut, Kacper | 0-1 | B30 | Open | 2025-05-31 |
| Kupczyk, Jan | Wiesiolek, Blazej | 1-0 | B12 | Open-3 | 2025-05-31 |
| Kupczyk, Jan | Gruca, Karol | 1/2-1/2 | B30 | Open-3 | 2025-05-31 |
| Kupczyk, Jan | Okamfer, Jakub | 1-0 | C69 | Open-3 | 2025-05-31 |
| Kupczyk, Jan | Piotrowski, Stanislaw | 1-0 | B40 | Eliminacje_Strefowe_OP_SL_2024_C11 | 2024-09-14 |
| Kupczyk, Jan | Niemczyk, Wiktor | 1-0 | C50 | Eliminacje_Strefowe_OP_SL_2024_C11 | 2024-09-13 |
| Kupczyk, Jan | Cichocki, Aleksander | 0-1 | C50 | Eliminacje_Strefowe_OP_SL_2024_C11 | 2024-09-12 |
| Kupczyk, Jan | Pustul, Michal | 1-0 | B12 | Eliminacje_Strefowe_OP_SL_2024_C11 | 2024-09-10 |
| Kupczyk, Jan | Swiderski, Lukasz | 1-0 | B40 | Eliminacje_Strefowe_OP_SL_2024_C11 | 2024-09-09 |
| Kupczyk, Jan | Pawlicz, Filip | 0-1 | B30 | Rapid C12 | 2024-08-02 |
| Kupczyk, Jan | Majchrzak, Ewa | 1-0 | C78 | Open-C | |
| Kupczyk, Jan | Kolorz, Julia | 1-0 | C42 | Open-C | |
| Kupczyk, Jan | Lisek, Adam | 0-1 | C03 | Open-C |