| Game | Result | Opening | Date |
|---|---|---|---|
| Dobrosmyslov, Artem (2283) – Costa, Nuno Guilherme R (1915) | 1-0 | Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense | 2026-08-03 |
| Eizaguerri Floris, Maria (2150) – Costa, Nuno Guilherme R (1915) | 1-0 | Catalan Opening: Closed | 2026-08-01 |
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