| Game | Result | Opening | Date |
|---|---|---|---|
| Kosmidis, Ioannis (2082) – Nikolopoulos, Nikolaos S (1898) | 1/2-1/2 | Benoni Defense: Fianchetto Variation | 2026-08-28 |
| Efstathopoulos, Sarantos (1917) – Kosmidis, Ioannis (2082) | 1-0 | English Opening: King's English Variation, Two Knights Variation, Reversed Dragon | 2026-08-28 |
| Ioakeimidis, Theodoros (1550) – Kosmidis, Ioannis (2082) | 1-0 | Italian Game: Scotch Gambit, Anderssen Attack | 2026-08-28 |
| Afantiti, Maria Varvara (1525) – Kosmidis, Ioannis (2082) | 0-1 | Four Knights Game: Scotch Variation Accepted, Main Line | 2026-08-28 |
| Kosmidis, Ioannis (2082) – Talaverou, Vasiliki Viktoria (1786) | 1-0 | Catalan Opening: Open Defense | 2026-08-28 |
| Kosmidis, Ioannis (2156) – Kurmann, Oliver (2354) | 0-1 | Bogo-Indian Defense: Retreat Variation | 2026-07-31 |
| Kosmidis, Ioannis (2156) – Carnicelli, Valerio (2436) | 1/2-1/2 | Nimzo-Indian Defense: St. Petersburg Variation, American Variation | 2026-07-27 |
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