| Game | Result | Opening | Date |
|---|---|---|---|
| Psarianou, Eleni (1753) – Matthaiou, Theodoros (1738) | 0-1 | King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System | 2026-07-15 |
| Vaggos, Konstantinos (1717) – Matthaiou, Theodoros (1738) | 1-0 | Ruy Lopez: Morphy Defense, Anderssen Variation | 2026-07-15 |
| Matthaiou, Theodoros (1738) – Benakis, Ioannis (1942) | 1/2-1/2 | St. George Defense | 2026-07-15 |
| Matthaiou, Theodoros (1738) – Tsamtsouris, Efthymios (2027) | 0-1 | Scandinavian Defense: Gubinsky-Melts Defense | 2026-07-15 |
| Matthaiou, Theodoros (1738) – Tzoumis, Petros (1563) | 1-0 | Ruy Lopez: Nürnberg Variation | 2026-07-15 |
| Tzoumis, Petros (1563) – Matthaiou, Theodoros (1738) | 0-1 | Italian Game: Giuoco Pianissimo | 2026-07-14 |
| Matthaiou, Theodoros (1738) – Mantazis, Georgios Rafail (2056) | 0-1 | Ruy Lopez: Morphy Defense, Anderssen Variation | 2026-07-14 |
| Matthaiou, Theodoros (1738) – Spiliotopoulos, Spyridon (1785) | 0-1 | Four Knights Game: Scotch Variation Accepted | 2026-07-14 |
| Matthaiou, Theodoros (1738) – Kartsakis, Ioannis (1689) | 0-1 | Sicilian Defense: O'Kelly Variation, Venice System | 2026-07-14 |
| Efientzi, Rafailia (1727) – Matthaiou, Theodoros (1738) | 0-1 | Four Knights Game: Scotch Variation Accepted | 2026-07-14 |
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