39 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Osiecki, Stanislaw | Har-Even, Abir | 1/2-1/2 | B00 | Round 7: Osiecki, Stanislaw - Har-Even, Abir | 2026-09-02 |
| Osiecki, Stanislaw | Mertens, Marc | 1/2-1/2 | B22 | wst50 | 2024-07-11 |
| Osiecki, Stanislaw | Slabek, Grzegorz | 1/2-1/2 | B01 | wst50 | 2024-07-10 |
| Osiecki, Stanislaw | Marinello, Beatriz | 1-0 | B12 | wstcc2024o50 | 2024-07-07 |
| Osiecki, Stanislaw | Dahl, Fredrik A | 0-1 | B22 | wstcc2024o50 | 2024-07-06 |
| Osiecki, Stanislaw | Westphal, Wolfgang | 1/2-1/2 | B00 | wstcc2024o50 | 2024-07-04 |
| Osiecki, Stanislaw | Nikcevic, Nebojsa | 0-1 | C64 | European Senior Team Chess Championship 2024 - Section 50 + | 2024-05-15 |
| Osiecki, Stanislaw | Hill, Jonathan S | 1/2-1/2 | C02 | European Senior Team Chess Championship 2023 50+ | 2023-07-20 |
| Osiecki, Stanislaw | Rewitz, Poul | 0-1 | B12 | European Senior Team Chess Championship 2023 50+ | 2023-07-18 |
| Osiecki, Stanislaw | Hebden, Mark L | 0-1 | C69 | European Senior Team Chess Championship 2023 50+ | 2023-07-16 |
| Osiecki, Stanislaw | Kowalczuk, Wojciech | 1-0 | C43 | European Senior Team Chess Championship 2023 50+ | 2023-07-13 |
| Osiecki, Stanislaw | Stepien, Janusz | 1-0 | B22 | Mistrzostwa Polski Seniorow 2023 | 2023-06-18 |
| Osiecki, Stanislaw | Bobrowski, Piotr | 1-0 | B06 | Mistrzostwa Polski Seniorow 2023 | 2023-06-17 |
| Osiecki, Stanislaw | Karczynski, Lech | 1/2-1/2 | B05 | Mistrzostwa Polski Seniorow 2023 | 2023-06-15 |
| Osiecki, Stanislaw | Wierzejski, Daniel | 1-0 | B01 | rubinsteinE | |
| Osiecki, Stanislaw | Chmielewski, Miroslaw | 1-0 | B12 | rubinsteinE | |
| Osiecki, Stanislaw | Klimaszewski, Dariusz | 0-1 | B22 | rubinsteinE | |
| Osiecki, Stanislaw | Pyka, Roman | 1-0 | B01 | rubinsteinE | |
| Osiecki, Stanislaw | Betkowski, Andrzej | 1/2-1/2 | C02 | rubinsteinE |