| Game | Result | Opening | Date |
|---|---|---|---|
| Jaworski, Tymon (2088) – Owczarek, Maciej (1953) | 1/2-1/2 | Queen's Pawn Game: Accelerated London System | 2026-09-04 |
| Owczarek, Maciej (1953) – Dzhuguryan, Tygran (2087) | 1-0 | Caro-Kann Defense: Gurgenidze System | 2026-09-03 |
| Owczarek, Maciej (1953) – Sciborowski, Miroslaw (1916) | 0-1 | Scandinavian Defense: Valencian Variation | 2026-09-02 |
| Kopacki, Aleksander (2052) – Owczarek, Maciej (1953) | 1-0 | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | 2026-09-01 |
| Gazda, Dominik (1919) – Owczarek, Maciej (1866) | 0-1 | French Defense: King's Indian Attack | 2026-08-31 |
| Owczarek, Maciej (1866) – Krol, Rafal (1929) | 0-1 | Ruy Lopez: Fianchetto Defense | 2026-08-30 |
| Tatarczany, Piotr (1718) – Owczarek, Maciej (1866) | 0-1 | Indian Defense: Spielmann-Indian | 2026-08-29 |
| Owczarek, Maciej (1866) – Zareba, Maciej (1932) | 0-1 | French Defense: Tarrasch Variation, Chistyakov Defense | 2026-08-22 |
| Rzadkowska, Lila (1970) – Owczarek, Maciej (1866) | 1/2-1/2 | Zukertort Opening: Reversed Grünfeld | 2026-08-21 |
| Owczarek, Maciej (1866) – Szydelko, Michal (1915) | 1/2-1/2 | Sicilian Defense: Taimanov Variation | 2026-08-20 |
| Mirowski, Przemyslaw (1935) – Owczarek, Maciej (1866) | 1/2-1/2 | King's Indian Defense: Fianchetto Variation, Lesser Simagin (Spassky) | 2026-08-19 |
| Owczarek, Maciej (1866) – Mataczyna, Aleksandra (1980) | 1-0 | Queen's Gambit Declined: Exchange Variation, Reshevsky Variation | 2026-08-18 |
| Koralczyk, Aleksander (1951) – Owczarek, Maciej (1866) | 1/2-1/2 | Queen's Pawn Game: Symmetrical Variation | 2026-08-17 |
| Owczarek, Maciej (1866) – Vitsiuk, Aleksandra (1765) | 1-0 | Tarrasch Defense | 2026-08-16 |
| Kolodziejski, Grzegorz (1720) – Owczarek, Maciej (1866) | 1/2-1/2 | French Defense: Winawer Variation, Poisoned Pawn Variation | 2026-08-15 |
| Matysiak, Szymon (1792) – Owczarek, Maciej (1866) | 1/2-1/2 | Sicilian Defense: Moscow Variation, Main Line | 2026-08-08 |
| Owczarek, Maciej (1866) – Skrzypczak, Jan (1946) | 1/2-1/2 | English Opening: Four Knights System, Nimzowitsch Variation | 2026-08-08 |
| Owczarek, Maciej (1866) – Bury, Milosz (1962) | 1/2-1/2 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | 2026-08-07 |
| Stelmaszuk, Maciej (1931) – Owczarek, Maciej (1866) | 1/2-1/2 | Queen's Gambit Declined: Exchange Variation, Reshevsky Variation | 2026-08-06 |
| Owczarek, Maciej (1866) – Kozlowski, Franciszek (2078) | 1/2-1/2 | Sicilian Defense: Classical Variation, Sozin Attack | 2026-08-05 |
| Owczarek, Maciej (1866) – Belocky, Daniel (1900) | 1/2-1/2 | French Defense: Tarrasch Variation, Modern System | 2026-08-04 |
| Kumor, Artur (1728) – Owczarek, Maciej (1866) | 0-1 | Sicilian Defense: Czerniak Attack | 2026-08-03 |
| Strag, Tymoteusz (1720) – Owczarek, Maciej (1916) | 0-1 | Ruy Lopez: Schliemann Defense | 2026-07-13 |
| Owczarek, Maciej (1916) – Kania, Maciej (1714) | 1-0 | Ruy Lopez: Closed, Pilnik Variation | 2026-07-09 |
| Piotrowski, Stanislaw (1627) – Owczarek, Maciej (1916) | 0-1 | Sicilian Defense: Classical Variation | 2026-07-09 |
| Owczarek, Maciej (1916) – Piotrowski, Stanislaw (1627) | 1-0 | Sicilian Defense: Classical Variation | 2026-07-09 |
| Ciupek, Oskar (1804) – Owczarek, Maciej (1916) | 1/2-1/2 | Benko Gambit: Zaitsev System | 2026-07-09 |
| Owczarek, Maciej (1916) – Ciupek, Oskar (1804) | 1/2-1/2 | Ruy Lopez: Morphy Defense, Anderssen Variation | 2026-07-09 |
| Ghonghadze, Alexandre (1993) – Owczarek, Maciej (1916) | 1-0 | French Defense: Winawer Variation, Alekhine Gambit Accepted | 2026-07-09 |
| Owczarek, Maciej (1916) – Ghonghadze, Alexandre (1993) | 0-1 | Sicilian Defense: Kan Variation, Knight Variation | 2026-07-09 |
| Pelekhatyy, Zakhar (1959) – Owczarek, Maciej (1916) | 1-0 | Sicilian Defense: Delayed Alapin Variation, with d6 | 2026-07-09 |
| Kania, Maciej (1714) – Owczarek, Maciej (1916) | 1-0 | Sicilian Defense: Moscow Variation, Main Line | 2026-07-09 |
| Chen, Chicheng Leon (2288) – Owczarek, Maciej (1916) | 1-0 | French Defense: Advance Variation, Milner-Barry Gambit | 2026-07-09 |
| Owczarek, Maciej (1916) – Chen, Chicheng Leon (2288) | 0-1 | Ruy Lopez: Berlin Defense, Anti-Berlin Variation | 2026-07-09 |
| Ilko-Toth, Andras (2297) – Owczarek, Maciej (1851) | 1-0 | Indian Defense: Przepiorka Variation | 2026-07-08 |
| Buklaho, Ignacy (1993) – Owczarek, Maciej (1851) | 1-0 | French Defense: Tarrasch Variation, Morozevich Variation | 2026-07-07 |
| Owczarek, Maciej (1851) – Shtrykun, Oleksandr (2021) | 1/2-1/2 | Ruy Lopez: Fianchetto Defense | 2026-07-07 |
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