| Jul 18, 2026 | Boulamatsis | 0–1 | Krush | Round 1: Boulamatsis, Konstantinos I - Krush, Irina | Sicilian Defense: Chekhover Variation | |
| Jul 10, 2026 | Dristellas | ½–½ | Boulamatsis | Round 7: Dristellas, Neoklis - Boulamatsis, Konstantinos I | French Defense: Rubinstein Variation, Blackburne Defense | |
| Jul 10, 2026 | Boulamatsis | 0–1 | Papaioannou | Round 6: Boulamatsis, Konstantinos I - Papaioannou, Dimitrios | Sicilian Defense: Alapin Variation | |
| Jul 10, 2026 | Boulamatsis | 0–1 | Palaiologou | Round 1: Boulamatsis, Konstantinos I - Palaiologou, Apostolos | Sicilian Defense | |
| Jul 8, 2026 | Boulamatsis | 0–1 | Tsamtsouris | Round 5: Boulamatsis, Konstantinos I - Tsamtsouris, Efthymios | Pirc Defense | |
| Jul 6, 2026 | Boulamatsis | 0–1 | Makrylakis | Round 3: Boulamatsis, Konstantinos I - Makrylakis, Iason | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jul 6, 2026 | Asvestas | 0–1 | Boulamatsis | Round 2: Asvestas, Emmanouil - Boulamatsis, Konstantinos I | French Defense: King's Indian Attack | |
| Sep 7, 2024 | Boulamatsis | 0–1 | Poupalos | 31ο OPEN ΣΚΑΚΙΣΤΙΚΟ ΤΟΥΡΝΟΥΑ ΝΙΚΑΙΑΣ \"ΤΙΜΗ ΣΤΗΝ ΕΘΝΙΚΗ ΑΝΤΙΣΤΑΣΗ\" A GROUP | French Defense: St. George Defense, Traditional Line | |
| Sep 4, 2024 | Boulamatsis | 0–1 | Stratigos | 31ο OPEN ΣΚΑΚΙΣΤΙΚΟ ΤΟΥΡΝΟΥΑ ΝΙΚΑΙΑΣ \"ΤΙΜΗ ΣΤΗΝ ΕΘΝΙΚΗ ΑΝΤΙΣΤΑΣΗ\" A GROUP | Sicilian Defense: Moscow Variation, Main Line | |
| Sep 3, 2024 | Tsagkaropoulos | ½–½ | Boulamatsis | 31ο OPEN ΣΚΑΚΙΣΤΙΚΟ ΤΟΥΡΝΟΥΑ ΝΙΚΑΙΑΣ \"ΤΙΜΗ ΣΤΗΝ ΕΘΝΙΚΗ ΑΝΤΙΣΤΑΣΗ\" A GROUP | Queen's Pawn Game: London System | |
| Jul 16, 2024 | Celebi | 1–0 | Boulamatsis | Round 8: Celebi, Mehmet Alper - Boulamatsis, Konstantinos I | French Defense: Advance Variation, Euwe Variation | |
| Jul 15, 2024 | Sidiropoulos | 1–0 | Boulamatsis | Round 7: Sidiropoulos, Vasilis - Boulamatsis, Konstantinos I | Zukertort Opening: Queen's Gambit Invitation | |
| Jul 15, 2024 | Boulamatsis | 1–0 | Kollias | Round 6: Boulamatsis, Konstantinos I - Kollias, Ioannis K. | Scotch Game: Tartakower Variation | |
| Jun 28, 2024 | Boulamatsis | ½–½ | Mylonakis | Round 9: Boulamatsis, Konstantinos I - Mylonakis, Ioannis | Caro-Kann Defense: Exchange Variation | |
| Jun 27, 2024 | Papaioannou | 0–1 | Boulamatsis | Round 8: Papaioannou, Dimitrios - Boulamatsis, Konstantinos I | English Opening: King's English Variation, Reversed Sicilian | |
| Jun 26, 2024 | Boulamatsis | ½–½ | Saklampanakis | Round 7: Boulamatsis, Konstantinos I - Saklampanakis, Dimitrios | Petrov's Defense: Kaufmann Attack | |
| Jun 25, 2024 | Styfougias | 0–1 | Boulamatsis | Round 6: Styfougias, Evangelos - Boulamatsis, Konstantinos I | French Defense: Tarrasch Variation, Modern System | |
| Jun 25, 2024 | Boulamatsis | 0–1 | Kassios | Round 5: Boulamatsis, Konstantinos I - Kassios, Dimitrios | Vienna Game: Paulsen Variation | |
| Jun 23, 2024 | Boulamatsis | 1–0 | Makris | Round 3: Boulamatsis, Konstantinos I - Makris, Georgios | Sicilian Defense: Chekhover Variation | |
| Jun 23, 2024 | Tsitimakis | 0–1 | Boulamatsis | Round 2: Tsitimakis, Periklis - Boulamatsis, Konstantinos I | French Defense: Schlechter Variation | |
| Jun 22, 2024 | Boulamatsis | 1–0 | Theodoropoulos | Round 1: Boulamatsis, Konstantinos I - Theodoropoulos, Dimitrios Th | Sicilian Defense: Delayed Alapin Variation | |
| Jun 21, 2024 | Antonioudakis | ½–½ | Boulamatsis | Round 4: Antonioudakis, Georgios - Boulamatsis, Konstantinos I | French Defense: Paulsen Variation | |
| Jul 29, 2021 | Boulamatsis | * | Androni | 14th Paleochora International Tournament | ? | |
| Jul 27, 2021 | Boulamatsis | * | Theodoulidis | 13th International Tournament of Paleochora | ? | |
| Jul 26, 2021 | Vasiliadis | * | Boulamatsis | 14th Paleochora International Tournament | ? | |
| Jul 26, 2021 | Vasiliadis | * | Boulamatsis | 13th International Tournament of Paleochora | ? | |
| Jul 24, 2021 | Georgiakakis | * | Boulamatsis | 13th International Tournament of Paleochora | ? | |