| Apr 19, 2026 | Margaritis | 1–0 | Hryzlova | EIIC 2026 | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Apr 18, 2026 | Bitbol-Delaveyne | 0–1 | Margaritis | EIIC 2026 | Zukertort Opening: Reversed Grünfeld | |
| Apr 16, 2026 | Galazka | 0–1 | Margaritis | EICC 2026 | Sicilian Defense: Mengarini Variation | |
| Apr 15, 2026 | Margaritis | 0–1 | Tymrakiewicz | EICC 2026 | Slav Defense: Exchange Variation | |
| Apr 14, 2026 | Salaun | 1–0 | Margaritis | EIIC 2026 | Sicilian Defense: Modern Variations | |
| Apr 13, 2026 | Margaritis | 1–0 | Portelli | EICC 2026 | Queen's Gambit Accepted: Central Variation, Alekhine System | |
| Apr 12, 2026 | Bourg | 1–0 | Margaritis | EIIC 2026 | Sicilian Defense: Modern Variations | |
| Apr 10, 2026 | Margaritis | 0–1 | Vijayakumar | EIIC 2026 | Catalan Opening: Closed | |
| Apr 9, 2026 | Kovalenko | 1–0 | Margaritis | EICC 2026 | English Opening: Neo-Catalan | |
| Apr 8, 2026 | Margaritis | 1–0 | Besou | EIIC 2026 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 7, 2026 | Karsay | ½–½ | Margaritis | EIIC 2026 | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Feb 20, 2026 | Margaritis | ½–½ | Spyratos | Round 2: Margaritis, Ioannis M - Spyratos, Nikolaos | Nimzo-Indian Defense: Classical Variation | |
| Feb 19, 2026 | Ciric | 0–1 | Margaritis | Round 1: Ciric, Pavle - Margaritis, Ioannis M | King's Indian Attack | |
| Jan 8, 2026 | Kollias | 1–0 | Margaritis | Round 7: Kollias, Ioannis K. - Margaritis, Ioannis M | King's Pawn Game | |
| Jan 7, 2026 | Giannopoulos | 1–0 | Margaritis | Round 6: Giannopoulos, Iasonas - Margaritis, Ioannis M | Sicilian Defense: Najdorf Variation | |
| Jan 6, 2026 | Mantazis | 1–0 | Margaritis | Round 5: Mantazis, Georgios Rafail - Margaritis, Ioannis M | King's Pawn Game | |
| Jan 5, 2026 | Margaritis | 1–0 | Siskou | Round 4: Margaritis, Ioannis M - Siskou, Evangelia | King's Indian Attack | |
| Jan 4, 2026 | Margaritis | 0–1 | Koutsantonakis | Round 2: Margaritis, Ioannis M - Koutsantonakis, Emmanouil | King's Indian Defense: Petrosian Variation, Stein Defense | |
| Jan 3, 2026 | Tsarsitalidis | 1–0 | Margaritis | Round 1: Tsarsitalidis, Konstantinos - Margaritis, Ioannis M | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Nov 24, 2025 | Spyratos | 1–0 | Margaritis | 2nd Gavriil Mastrovasilis Memorial Rapid 2025 | Catalan Opening: Open Defense | |
| Nov 22, 2025 | Stoimenidis | 1–0 | Margaritis | 2nd Gavriil Mastrovasilis Memorial Rapid 2025 | English Opening: Anglo-Indian Defense, Hedgehog System | |
| Nov 22, 2025 | Margaritis | 0–1 | Kalogeris | 2nd Gavriil Mastrovasilis Memorial Rapid 2025 | Catalan Opening | |
| Oct 27, 2025 | Margaritis | 1–0 | Gioras | 8o ΤΟΥΡΝΟΥΑ ΧΑΛΒΑ ΦΑΡΣΑΛΩΝ σε μνήμη ELLIOTT RENZIES - A γκρουπ | Indian Defense: Knights Variation | |
| Oct 27, 2025 | Emmanouilidis | 0–1 | Margaritis | 8o ΤΟΥΡΝΟΥΑ ΧΑΛΒΑ ΦΑΡΣΑΛΩΝ σε μνήμη ELLIOTT RENZIES - A γκρουπ | Modern Defense: Standard Defense | |
| Oct 26, 2025 | Margaritis | 0–1 | Kountrias | 8o ΤΟΥΡΝΟΥΑ ΧΑΛΒΑ ΦΑΡΣΑΛΩΝ σε μνήμη ELLIOTT RENZIES - A γκρουπ | King's Indian Defense: Normal Variation, Standard Development | |
| Oct 26, 2025 | Kakkanas | ½–½ | Margaritis | 8o ΤΟΥΡΝΟΥΑ ΧΑΛΒΑ ΦΑΡΣΑΛΩΝ σε μνήμη ELLIOTT RENZIES - A γκρουπ | Indian Defense: Anti-Nimzo-Indian | |
| Oct 25, 2025 | Margaritis | ½–½ | Vardakas | 8o ΤΟΥΡΝΟΥΑ ΧΑΛΒΑ ΦΑΡΣΑΛΩΝ σε μνήμη ELLIOTT RENZIES - A γκρουπ | Nimzo-Indian Defense: Classical Variation | |
| Oct 25, 2025 | Kesidis | ½–½ | Margaritis | Round 2: Kesidis, Odyseas - Margaritis, Ioannis M | Sicilian Defense: Moscow Variation | |
| Oct 24, 2025 | Margaritis | 1–0 | Antoniadis | Round 1: Margaritis, Ioannis M - Antoniadis, Nikolaos | Dutch Defense: Staunton Gambit Accepted | |
| Jul 12, 2025 | Margaritis | 1–0 | Lafkidis | Round 9: Margaritis, Ioannis M - Lafkidis, Apostolos | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 11, 2025 | Giannopoulos | ½–½ | Margaritis | Round 8: Giannopoulos, Vasileios - Margaritis, Ioannis M | Sicilian Defense: Najdorf Variation, Zagreb Variation | |
| Jul 10, 2025 | Petridis | 0–1 | Margaritis | Round 7: Petridis, Dimitrios Panagiotis - Margaritis, Ioannis M | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Jul 10, 2025 | Margaritis | ½–½ | Seretis | Round 6: Margaritis, Ioannis M - Seretis, Nikolaos G | Queen's Gambit Declined: Charousek Variation | |
| Jul 9, 2025 | Margaritis | 1–0 | Loukakis | Round 5: Margaritis, Ioannis M - Loukakis, Nikolaos | Dutch Defense: Raphael Variation | |
| Jul 8, 2025 | Kiryttopoulos | 1–0 | Margaritis | Round 4: Kiryttopoulos, Panagiotis Aris - Margaritis, Ioannis M | Catalan Opening: Open Defense, Classical Line | |
| Jul 8, 2025 | Margaritis | 1–0 | Teligiannidis | Round 3: Margaritis, Ioannis M - Teligiannidis, Efstathios | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jul 7, 2025 | Karakotsios | 1–0 | Margaritis | Round 2: Karakotsios, Konstantinos - Margaritis, Ioannis M | Nimzo-Indian Defense: Kmoch Variation | |
| Jul 6, 2025 | Margaritis | 1–0 | Ntagkounakis | Round 1: Margaritis, Ioannis M - Ntagkounakis, Emmanouil | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Apr 28, 2025 | Lafkidis | 0–1 | Margaritis | Round 9: Lafkidis, Apostolos - Margaritis, Ioannis M | Sicilian Defense: Moscow Variation | |
| Apr 27, 2025 | Margaritis | 0–1 | Vassis | Round 8: Margaritis, Ioannis M - Vassis, Michail | Dutch Defense: Raphael Variation | |
| Apr 26, 2025 | Margaritis | 1–0 | Sidiropoulos | Round 7: Margaritis, Ioannis M - Sidiropoulos, Vasilis | Nimzo-Indian Defense: Classical Variation | |
| Apr 25, 2025 | Margaritis | ½–½ | Skodras | Round 5: Margaritis, Ioannis M - Skodras, Marios Konstantinos | King's Indian Defense: Petrosian Variation, Stein Defense | |
| Apr 25, 2025 | Soukarie | 0–1 | Margaritis | Round 6: Soukarie, Zorz - Margaritis, Ioannis M | Sicilian Defense: Moscow Variation | |
| Apr 24, 2025 | Fragkos | 0–1 | Margaritis | Round 4: Fragkos, Vasileios - Margaritis, Ioannis M | Rapport-Jobava System | |
| Apr 23, 2025 | Margaritis | 1–0 | Karageorgos | Round 3: Margaritis, Ioannis M - Karageorgos, Alexios | Queen's Gambit Accepted: Central Variation, McDonnell Defense | |
| Apr 23, 2025 | Vassis | 1–0 | Margaritis | Round 2: Vassis, Anastasios - Margaritis, Ioannis M | Queen's Pawn Game: Torre Attack | |
| Apr 22, 2025 | Margaritis | * | Tsanas | Round 1: Margaritis, Ioannis M - Tsanas, Nikolaos | Nimzo-Indian Defense: Classical Variation | |
| Jan 8, 2025 | Margaritis | 0–1 | Vassis | Round 9: Margaritis, Ioannis M - Vassis, Anastasios | King's Indian Defense: Petrosian Variation | |
| Jan 7, 2025 | Margaritis | ½–½ | Alepoudeas | Round 8: Margaritis, Ioannis M - Alepoudeas, Stylianos | Benko Gambit Accepted: Fully Accepted Variation | |
| Jan 6, 2025 | Antonioudakis | 0–1 | Margaritis | Round 7: Antonioudakis, Georgios - Margaritis, Ioannis M | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jan 5, 2025 | Margaritis | ½–½ | Tagkaloglou | Round 6: Margaritis, Ioannis M - Tagkaloglou, Savvas Stefanos | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jan 5, 2025 | Christodoulou | 0–1 | Margaritis | Round 5: Christodoulou, Georgia - Margaritis, Ioannis M | Sicilian Defense: Najdorf Variation | |
| Jan 4, 2025 | Margaritis | ½–½ | Mavridis | Round 4: Margaritis, Ioannis M - Mavridis, Emmanouil | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jan 3, 2025 | Margaritis | 1–0 | Seretis | Round 2: Margaritis, Ioannis M - Seretis, Nikolaos G | Queen's Gambit Declined: Charousek Variation | |
| Jan 3, 2025 | Papaioannou | ½–½ | Margaritis | Round 3: Papaioannou, Dimitrios - Margaritis, Ioannis M | Bogo-Indian Defense: Nimzowitsch Variation | |
| Jan 2, 2025 | Seretakis | 0–1 | Margaritis | Round 1: Seretakis, Georgios - Margaritis, Ioannis M | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Jun 28, 2024 | Kyriakidis | 0–1 | Margaritis | Round 9: Kyriakidis, Orestis - Margaritis, Ioannis M | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Jun 27, 2024 | Papakyriakou | ½–½ | Margaritis | Round 8: Papakyriakou, Charalampos - Margaritis, Ioannis M | English Defense | |
| Jun 26, 2024 | Margaritis | ½–½ | Kiryttopoulos | Round 7: Margaritis, Ioannis M - Kiryttopoulos, Panagiotis Aris | Queen's Gambit Declined: Queen's Knight Variation | |
| Jun 25, 2024 | Margaritis | ½–½ | Tselepis | Round 6: Margaritis, Ioannis M - Tselepis, Ioannis | English Opening: Symmetrical Variation, Botvinnik System | |
| Jun 25, 2024 | Lafkidis | ½–½ | Margaritis | Round 5: Lafkidis, Apostolos - Margaritis, Ioannis M | Sicilian Defense: Prins Variation | |
| Jun 24, 2024 | Margaritis | 1–0 | Gkogkolas | Round 4: Margaritis, Ioannis M - Gkogkolas, Georgios | King's Indian Defense: Petrosian Variation, Stein Defense | |
| Jun 23, 2024 | Bougas | ½–½ | Margaritis | Round 3: Bougas, Georgios - Margaritis, Ioannis M | Sicilian Defense: Najdorf Variation, Main Line | |
| Jun 23, 2024 | Margaritis | ½–½ | Merkouropoulos | Round 2: Margaritis, Ioannis M - Merkouropoulos, Dionysios | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jun 22, 2024 | Sotiropoulos | 0–1 | Margaritis | Round 1: Sotiropoulos, Spyridon - Margaritis, Ioannis M | Caro-Kann Defense: Exchange Variation | |
| Dec 16, 2024 | Margaritis | 0–1 | Asici | Round 8: Margaritis, Ioannis M - Asici, Poyraz Efe | Blumenfeld Countergambit Accepted | |
| Dec 15, 2024 | Margaritis | ½–½ | Vanden Bussche | Round 6: Margaritis, Ioannis M - Vanden Bussche, Steven | Slav Defense: Modern Line | |
| Dec 15, 2024 | Stanojevic | 1–0 | Margaritis | Round 7: Stanojevic, Ilija - Margaritis, Ioannis M | Indian Defense: London System | |
| Dec 14, 2024 | Margaritis | ½–½ | Pirvulescu | Round 4: Margaritis, Ioannis M - Pirvulescu, Ekaterina | Queen's Gambit Accepted: Central Variation, McDonnell Defense | |
| Dec 14, 2024 | Bregu | ½–½ | Margaritis | Round 5: Bregu, Riza - Margaritis, Ioannis M | Rapport-Jobava System | |
| Dec 13, 2024 | Stoilkovski | 0–1 | Margaritis | Round 3: Stoilkovski, Jordan - Margaritis, Ioannis M | Sicilian Defense: Moscow Variation | |
| Dec 12, 2024 | Margaritis | 0–1 | Veljanoski | Round 2: Margaritis, Ioannis M - Veljanoski, Andrej | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Dec 11, 2024 | Krasteva | ½–½ | Margaritis | Round 1: Krasteva, Beloslava - Margaritis, Ioannis M | Nimzo-Indian Defense: St. Petersburg Variation | |
| Aug 16, 2022 | Margaritis | 1–0 | Kartsakis | National Greek Team Championship | Queen's Gambit Accepted: Central Variation, McDonnell Defense | |
| Aug 13, 2022 | Tzimas | 0–1 | Margaritis | National Greek Team Championship | Sicilian Defense: Najdorf Variation, English Attack | |
| Aug 12, 2022 | Margaritis | ½–½ | Palaiologou | National Greek Team Championship | Tarrasch Defense: Two Knights Variation | |
| Jul 18, 2022 | Besou | 1–0 | Margaritis | U12 euro team | Sicilian Defense: Najdorf Variation, Main Line | |
| Jul 17, 2022 | Marinidis | 0–1 | Margaritis | U12 euro team | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Jul 16, 2022 | Margaritis | 0–1 | Tadic | U12 euro team | Mexican Defense | |
| Jul 15, 2022 | Margaritis | 0–1 | Ivanov | U12 euro team | Slav Defense: Modern Line | |
| Jul 14, 2022 | Zakin | ½–½ | Margaritis | U12 euro team | Sicilian Defense: Moscow Variation, Main Line | |
| Jul 12, 2022 | Margaritis | 0–1 | Kumar | Round 1: Margaritis, Ioannis M - Kumar, Soham | Benko Gambit Accepted: Fully Accepted Variation | |