| Game | Result | Opening | Date |
|---|---|---|---|
| Olczak, Mariusz (1761) – Sokolowski, Gustaw (1617) | 1-0 | Queen's Gambit Accepted: Mannheim Variation | 2026-08-01 |
| Olczak, Mariusz (1761) – Salamon, Julia (2022) | 1/2-1/2 | Indian Defense: Knights Variation | 2026-08-01 |
| Olczak, Mariusz (1761) – Trebala, Michal (1604) | 1-0 | Indian Defense: Przepiorka Variation | 2026-08-01 |
| Pietraszko, Jakub (1807) – Olczak, Mariusz (1761) | 1-0 | French Defense: Classical Variation | 2026-08-01 |
| Olczak, Mariusz (1761) – Owczarek, Monika (1687) | 1-0 | King's Indian Defense: Fianchetto Variation, Yugoslav Variation | 2026-08-01 |
| Moranda, Wojciech (2571) – Olczak, Mariusz (1761) | 1-0 | Tarrasch Defense: Classical Variation | 2026-08-01 |
| Olczak, Mariusz (1761) – Kwapisiewicz, Karol (1857) | 0-1 | Indian Defense: Przepiorka Variation | 2026-08-01 |
| Grot, Blazej (2362) – Olczak, Mariusz (1761) | 1-0 | Ruy Lopez: Closed, Zaitsev System | 2026-08-01 |
| Skrobala, Oleh – Olczak, Mariusz (1761) | 0-1 | Ruy Lopez: Morphy Defense, Tarrasch Variation | 2026-08-01 |
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