47 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Businski, Jan | Kopacki, Aleksander | 0-1 | D25 | Blitz C14 | 2026-07-13 |
| Businski, Jan | Strus, Mateusz | 0-1 | A62 | Rapid C14 | 2026-07-11 |
| Businski, Jan | Gibala, Adam | * | A00 | rzeszow | 2026-07-09 |
| Businski, Jan | Bednarek, Jan | 0-1 | E05 | rzeszow | 2026-07-07 |
| Businski, Jan | Pyrek, Marcin | 1/2-1/2 | E14 | II DMP Juniorow 2026 | 2026-05-27 |
| Businski, Jan | Wcislo, Piotr | 1-0 | D27 | II DMP Juniorow 2026 | 2026-05-25 |
| Businski, Jan | Wardecki, Szymon | 1-0 | D30 | II DMP Juniorow 2026 | 2026-05-23 |
| Businski, Jan | Kawecki, Kamil | 1/2-1/2 | D02 | II DMP Juniorow 2026 | 2026-05-21 |
| Businski, Jan | Plesiuk, Jan | 1-0 | D02 | Round 2: Businski, Jan - Plesiuk, Jan | 2026-01-11 |
| Businski, Jan | Sitko, Tomasz | 0-1 | E00 | Round 4: Businski, Jan - Sitko, Tomasz | 2026-01-11 |
| Businski, Jan | Sawicki, Dorian | 0-1 | E00 | Round 6: Businski, Jan - Sawicki, Dorian | 2026-01-11 |
| Businski, Jan | Butkiewicz, Jan | 1/2-1/2 | D02 | Round 8: Businski, Jan - Butkiewicz, Jan | 2026-01-11 |
| Businski, Jan | Szuminski, Jakub | 1/2-1/2 | D02 | Runda 7: Businski, Jan - Szuminski, Jakub | 2025-12-30 |
| Businski, Jan | Kaminski, Jan | 1-0 | D14 | Runda 9: Businski, Jan - Kaminski, Jan | 2025-12-30 |
| Businski, Jan | Padalka, Artem | 1/2-1/2 | D02 | Runda 5: Businski, Jan - Padalka, Artem | 2025-12-29 |
| Businski, Jan | Ptaszynski, Szymon | 1/2-1/2 | E00 | Runda 2: Businski, Jan - Ptaszynski, Szymon | 2025-12-27 |
| Businski, Jan | Sawicki, Dorian | 1-0 | E00 | Runda 3: Businski, Jan - Sawicki, Dorian | 2025-12-27 |
| Businski, Jan | Owczarek, Maciej | 0-1 | D02 | II DMP Juniorow | 2025-06-26 |
| Businski, Jan | Polak, Aleksander | 1/2-1/2 | E14 | II DMP Juniorow | 2025-06-24 |
| Businski, Jan | Brudnicki, Pawel | 1-0 | A50 | II DMP Juniorow | 2025-06-22 |
| Businski, Jan | Matuszewski, Kacper | 1-0 | E14 | II DMP Juniorow | 2025-06-20 |
| Businski, Jan | Bilochenko, Matvii | 0-1 | E64 | Rapid C12 | 2024-08-02 |
| Businski, Jan | Chiszko, Oskar | 1-0 | E14 | Mistrzostwa Polski Juniorów w szachach szybkich C14 | |
| Businski, Jan | Wons, Krystian | 1/2-1/2 | E67 | Mistrzostwa Polski Juniorów w szachach szybkich C14 |