| Mar 15, 2026 | Spagkakas | 0–1 | Keramaros | Round 6: Spagkakas, Konstantinos - Keramaros, Vasileios | English Opening: Mikenas-Carls Variation | |
| Mar 15, 2026 | Paschalidis | 0–1 | Spagkakas | Round 5: Paschalidis, Nikolaos - Spagkakas, Konstantinos | Sicilian Defense: Scheveningen Variation, Keres Attack | |
| Mar 15, 2026 | Marinidis | 1–0 | Spagkakas | Round 3: Marinidis, Stavros - Spagkakas, Konstantinos | Sicilian Defense: Scheveningen Variation | |
| Jul 10, 2025 | Spagkakas | 0–1 | Skarlas | Round 7: Spagkakas, Konstantinos - Skarlas, Vasileios | English Opening: King's English Variation, Reversed Sicilian | |
| Jul 9, 2025 | Merkouropoulos | 1–0 | Spagkakas | Round 5: Merkouropoulos, Dionysios - Spagkakas, Konstantinos | Grünfeld Defense: Three Knights Variation, Petrosian System | |
| Jul 7, 2025 | Spagkakas | 0–1 | Kiryttopoulos | Round 2: Spagkakas, Konstantinos - Kiryttopoulos, Ioannis | English Opening: Agincourt Defense | |
| Apr 16, 2025 | Dauren | 1–0 | Spagkakas | Round 4: Dauren, Darmen - Spagkakas, Konstantinos | Trompowsky Attack | |
| Apr 13, 2025 | Spagkakas | 0–1 | El Zein | Round 2: Spagkakas, Konstantinos - El Zein, Zayne-Eddine | English Opening: Agincourt Defense | |
| Mar 23, 2025 | Spagkakas | 1–0 | Andreas Mpompotas | Round 2: Spagkakas, Konstantinos - Andreas Mpompotas | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | |
| Mar 23, 2025 | Spagkakas | ½–½ | Spanidis | Round 4: Spagkakas, Konstantinos - Spanidis, Orestis | English Opening: King's English Variation, Two Knights Variation | |
| Mar 23, 2025 | Spagkakas | 1–0 | Georgiadou | Round 6: Spagkakas, Konstantinos - Georgiadou, Ariadni | English Opening: King's English Variation, Two Knights Variation | |
| Mar 23, 2025 | Thomas Eliodorou | 0–1 | Spagkakas | Round 1: Thomas Eliodorou - Spagkakas, Konstantinos | Sicilian Defense: French Variation | |
| Mar 23, 2025 | Stafylidis | 0–1 | Spagkakas | Round 3: Stafylidis, Stavros - Spagkakas, Konstantinos | Sicilian Defense: French Variation, Normal | |
| Mar 23, 2025 | Marinidis | ½–½ | Spagkakas | Round 5: Marinidis, Stavros - Spagkakas, Konstantinos | Sicilian Defense: Scheveningen Variation, Classical Variation | |
| Mar 23, 2025 | Karakotsios | 0–1 | Spagkakas | Round 7: Karakotsios, Konstantinos - Spagkakas, Konstantinos | Indian Defense | |
| Jan 8, 2025 | Mavridis | 0–1 | Spagkakas | Round 9: Mavridis, Emmanouil - Spagkakas, Konstantinos | Rapport-Jobava System | |
| Jan 7, 2025 | Tsitimakis | 1–0 | Spagkakas | Round 8: Tsitimakis, Periklis - Spagkakas, Konstantinos | Sicilian Defense: Scheveningen Variation, Keres Attack | |
| Jan 6, 2025 | Spagkakas | 1–0 | Nakitsas | Round 7: Spagkakas, Konstantinos - Nakitsas, Stergios | English Opening: Agincourt Defense | |
| Jan 5, 2025 | Spagkakas | 0–1 | Mantazis | Round 6: Spagkakas, Konstantinos - Mantazis, Georgios Rafail | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Jan 5, 2025 | Petkakis | 0–1 | Spagkakas | Round 5: Petkakis, Odysseas - Spagkakas, Konstantinos | Grünfeld Defense: Three Knights Variation, Petrosian System | |
| Jan 4, 2025 | Spagkakas | 0–1 | Christodoulou | Round 4: Spagkakas, Konstantinos - Christodoulou, Georgia | English Opening: Agincourt Defense | |
| Jan 3, 2025 | Spagkakas | 1–0 | Keramaros | Round 2: Spagkakas, Konstantinos - Keramaros, Vasileios | English Opening: Agincourt Defense | |
| Jan 3, 2025 | Alepoudeas | ½–½ | Spagkakas | Round 3: Alepoudeas, Stylianos - Spagkakas, Konstantinos | Sicilian Defense: Scheveningen Variation, Keres Attack | |
| Jan 2, 2025 | Ouzounis | ½–½ | Spagkakas | Round 1: Ouzounis, Konstantinos Kyr - Spagkakas, Konstantinos | King's Indian Defense: Fianchetto Variation, Classical Main Line | |
| Nov 30, 2024 | Balafoutas | 1–0 | Spagkakas | Round 4: Balafoutas, Alexandros - Spagkakas, Konstantinos | Sicilian Defense: Scheveningen Variation, Classical Variation | |
| Nov 29, 2024 | Tsourgiannis | ½–½ | Spagkakas | Round 2: Tsourgiannis, Nikolaos - Spagkakas, Konstantinos | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Sep 4, 2024 | Spagkakas | 0–1 | Kyriakopoulos | Round 6: Spagkakas, Konstantinos - Kyriakopoulos, Charalampos | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Sep 3, 2024 | Pastras | 1–0 | Spagkakas | Round 5: Pastras, Ioannis - Spagkakas, Konstantinos | Sicilian Defense: Closed, Botvinnik Defense, with Nge2 | |
| Sep 2, 2024 | Spagkakas | ½–½ | Tsintsar | Round 4: Spagkakas, Konstantinos - Tsintsar, Zoran | English Opening: King's English Variation, Reversed Sicilian | |
| Sep 1, 2024 | Kirgeridis | 0–1 | Spagkakas | Round 3: Kirgeridis, Panagiotis - Spagkakas, Konstantinos | Grünfeld Defense: Exchange Variation, Classical Variation | |
| Aug 7, 2024 | Spagkakas | 0–1 | Keramaros | Round 3: Spagkakas, Konstantinos - Keramaros, Vasileios | English Opening: Agincourt Defense | |
| Jul 18, 2022 | Spagkakas | 0–1 | Gloeckler | U12 euro team | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Jul 17, 2022 | Spagkakas | 1–0 | Ladopoulos | U12 euro team | English Opening: King's English Variation, Two Knights Variation | |
| Jul 16, 2022 | Mocic | ½–½ | Spagkakas | U12 euro team | King's Indian Attack: Symmetrical Defense | |
| Jul 15, 2022 | Krstevski | ½–½ | Spagkakas | U12 euro team | London System | |
| Jul 14, 2022 | Spagkakas | 1–0 | Zakin | U12 euro team | English Opening: Symmetrical Variation, Four Knights Variation | |
| Jul 12, 2022 | Soulier | 1–0 | Spagkakas | Round 1: Soulier, Alfred - Spagkakas, Konstantinos | Sicilian Defense: Najdorf Variation | |
| — | Spagkakas | 0–1 | Gibala | Round 8: Spagkakas, Konstantinos - Gibala, Adam | English Opening: King's English Variation | |
| — | Spagkakas | 0–1 | Chiszko | Round 1: Spagkakas, Konstantinos - Chiszko, Oskar | English Opening: Mikenas-Carls, Sicilian | |
| — | Oikonomopoulos | ½–½ | Spagkakas | Round 1: Oikonomopoulos, Filippos - Spagkakas, Konstantinos | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| — | Chiszko | 1–0 | Spagkakas | Round 2: Chiszko, Oskar - Spagkakas, Konstantinos | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| — | Leftheriotis | 1–0 | Spagkakas | Round 2: Leftheriotis, Alexandros - Spagkakas, Konstantinos | Sicilian Defense: Modern Variations, Main Line | |
