| Game | Result | Opening | Date |
|---|---|---|---|
| Derejczyk, Mateusz (1984) – Mulawa, Cyprian (2324) | 1-0 | English Opening | 2026-07-13 |
| Derejczyk, Mateusz (1984) – Skrzypinski, Jan (2263) | 1-0 | English Opening: Drill Variation | 2026-07-13 |
| Derejczyk, Mateusz (1984) – Borischik, Sergey (2229) | 1-0 | King's Indian Defense: Petrosian Variation | 2026-07-13 |
| Dobosiewicz, Dawid (2283) – Derejczyk, Mateusz (1984) | 0-1 | Queen's Pawn Game: Symmetrical Variation | 2026-07-13 |
| Zieba, Hubert (2171) – Derejczyk, Mateusz (1984) | 1-0 | Catalan Opening: Closed | 2026-07-13 |
| Krawczyk, Flawian (2260) – Derejczyk, Mateusz (1984) | 1/2-1/2 | King's Indian Attack | 2026-07-13 |
| Derejczyk, Mateusz (1984) – Ugorek, Kacper (2229) | 1/2-1/2 | Pterodactyl Defense: Queen Pterodactyl, Quiet Line | 2026-07-13 |
| Raczek, Krzysztof (2458) – Derejczyk, Mateusz (1984) | 1-0 | King's Indian Attack | 2026-07-13 |
| Dobosiewicz, Dawid (2299) – Derejczyk, Mateusz (2103) | 1-0 | Rapport-Jobava System | 2026-07-12 |
| Derejczyk, Mateusz (2103) – Sowinski, Pawel (2432) | 0-1 | King's Indian Defense: Kazakh Variation | 2026-07-11 |
| Derejczyk, Mateusz (2103) – Bartnik, Michal (1990) | 1/2-1/2 | English Opening: King's English Variation | 2026-07-07 |
| Lyakh, Vasiliy (2328) – Derejczyk, Mateusz (2103) | 1/2-1/2 | Queen's Gambit Declined: Harrwitz Attack, Orthodox Defense | 2026-07-07 |
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