| Apr 20, 2026 | Zachos | 1–0 | Solop | Round 9: Zachos, Konstantinos - Solop, Yaroslav | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Apr 19, 2026 | Alexandrakis | 1–0 | Zachos | Round 8: Alexandrakis, Vasileios Sp - Zachos, Konstantinos | Queen's Pawn Game | |
| Apr 18, 2026 | Zachos | 1–0 | Dimou | Round 7: Zachos, Konstantinos - Dimou, Konstantinos | King's Indian Attack | |
| Apr 17, 2026 | Lampos | 1–0 | Zachos | Round 4: Lampos, Charalampos - Zachos, Konstantinos | Grünfeld Defense: Exchange Variation, Classical Variation | |
| Apr 9, 2026 | Zachos | ½–½ | Kalonomos | Round 3: Zachos, Konstantinos - Kalonomos, Ioannis | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Jun 28, 2024 | Kalogeropoulos | 1–0 | Zachos | Round 9: Kalogeropoulos, Konstantinos - Zachos, Konstantinos | Sicilian Defense: Modern Variations, Main Line | |
| Jun 27, 2024 | Zachos | 0–1 | Danezis | Round 8: Zachos, Konstantinos - Danezis, Prodromos | Queen's Pawn Game: Accelerated London System | |
| Jun 26, 2024 | Skodras | ½–½ | Zachos | Round 7: Skodras, Dionysios Eleftherios - Zachos, Konstantinos | Queen's Gambit Declined: Charousek Variation | |
| Jun 25, 2024 | Zachos | 1–0 | Patellis | Round 5: Zachos, Konstantinos - Patellis, Panormitis | Queen's Pawn Game: Accelerated London System | |
| Jun 24, 2024 | Koutsioumpos | 1–0 | Zachos | Round 4: Koutsioumpos, Ioannis - Zachos, Konstantinos | Sicilian Defense: Dragon Variation, Classical Variation | |
| Jun 23, 2024 | Zachos | 0–1 | Doukas | Round 3: Zachos, Konstantinos - Doukas, Nikolaos | Indian Defense | |
| Jun 23, 2024 | Mekolli | 0–1 | Zachos | Round 2: Mekolli, Iraklis - Zachos, Konstantinos | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Jun 22, 2024 | Zachos | 1–0 | Eleftheriou | Round 1: Zachos, Konstantinos - Eleftheriou, Vasileios | Queen's Pawn Game: Accelerated London System | |
