| Jan 10, 2026 | Polyzos | 1–0 | Kaldirimtzis | Round 9: Polyzos, Vasileios - Kaldirimtzis, Konstantinos Nikolaos | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Sep 6, 2025 | Kaldirimtzis | ½–½ | Lamprinos | Round 9: Kaldirimtzis, Konstantinos Nikolaos - Lamprinos, Athanasios Angelos | Dutch Defense: Classical Variation, Huisl Variation | |
| Sep 5, 2025 | Alexandrakis | ½–½ | Kaldirimtzis | Round 8: Alexandrakis, Venizelos - Kaldirimtzis, Konstantinos Nikolaos | King's Indian Attack: Sicilian Variation | |
| Sep 4, 2025 | Kaldirimtzis | 1–0 | Bimpikas | Round 7: Kaldirimtzis, Konstantinos Nikolaos - Bimpikas, Ioannis | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Sep 3, 2025 | Naci | ½–½ | Kaldirimtzis | Round 6: Naci, Igli - Kaldirimtzis, Konstantinos Nikolaos | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| — | Kaldirimtzis | 1–0 | Gioras | Round 2: Kaldirimtzis, Konstantinos Nikolaos - Gioras, Ioannis | Sicilian Defense: Old Sicilian | |
| — | Kaldirimtzis | 0–1 | Papadopoulos | Round 4: Kaldirimtzis, Konstantinos Nikolaos - Papadopoulos, Alexadros Paris | Vienna Game: Vienna Gambit, Paulsen Attack | |
| — | Dimitrov | ½–½ | Kaldirimtzis | Round 1: Dimitrov, Georgi Y - Kaldirimtzis, Konstantinos Nikolaos | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| — | Chalkias | ½–½ | Kaldirimtzis | Round 3: Chalkias, Michail Panagiotis - Kaldirimtzis, Konstantinos Nikolaos | Dutch Defense: Classical Variation, Huisl Variation | |
| — | Giannoulas | 1–0 | Kaldirimtzis | Round 5: Giannoulas, Christos - Kaldirimtzis, Konstantinos Nikolaos | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| — | Giakoustidis | ½–½ | Kaldirimtzis | Round 3: Giakoustidis, Spiros-Avgerinos - Kaldirimtzis, Konstantinos Nikolaos | Dutch Defense: Hopton Attack | |
