| 29 ago 2026 | Stoyanov, Tsvetan 2437 | Kalogridis, Antonios 2321 | ½-½ | A17 Apertura Inglesa: Anglo-Indian Defense | Sofia Cup 2026 - Balkan Rapid & Blitz Championships | Rapid | 59 | Ver |
| 29 ago 2026 | Kalogridis, Antonios 2321 | Georgiev, Kiril 2578 | 0-1 | D90 Defensa Grünfeld: Three Knights Variation | Sofia Cup 2026 - Balkan Rapid & Blitz Championships | Rapid | 54 | Ver |
| 29 ago 2026 | Kalogridis, Antonios 2321 | Iturrizaga Bonelli, Eduardo 2612 | 1-0 | C79 Apertura Española (Ruy López): Morphy Defense, Steinitz Deferred | Sofia Cup 2026 - Balkan Rapid & Blitz Championships | Rapid | 60 | Ver |
| 23 ago 2026 | Kalogridis, Antonios 2429 | Kantor, Gergely 2550 | 1-0 | E12 Defensa India de Dama: Kasparov-Petrosian Variation, Main Line | Kanizsa Open | 33 | Ver |
| 22 ago 2026 | Kalogridis, Antonios 2429 | Kozak, Adam 2535 | ½-½ | A40 Kangaroo Defense: Keres Defense, Transpositional Variation | Kanizsa Open | 19 | Ver |
| 21 ago 2026 | Sjugirov, Sanan 2548 | Kalogridis, Antonios 2429 | ½-½ | A45 Defensa India | Kanizsa Open | 17 | Ver |
| 20 ago 2026 | Kalogridis, Antonios 2429 | Acs, Peter 2558 | ½-½ | E97 Defensa India de Rey: Orthodox Variation, Bayonet Attack | Kanizsa Open | 52 | Ver |
| 19 ago 2026 | Wan, Yunguo 2507 | Kalogridis, Antonios 2429 | 0-1 | D01 Rapport-Jobava System | Kanizsa Open | 55 | Ver |
| 18 ago 2026 | Kalogridis, Antonios 2429 | Sachi Jain 2228 | 1-0 | D31 Gambito de Dama rehusado: Janowski Variation | Kanizsa Open | 44 | Ver |
| 16 ago 2026 | Tanenbaum, Zachary 2290 | Kalogridis, Antonios 2429 | 0-1 | B56 Defensa Siciliana: Classical Variation | Kanizsa Open | 41 | Ver |
| 15 ago 2026 | Kalogridis, Antonios 2429 | Mehta Naitik R 2244 | 1-0 | D32 Defensa Tarrasch | Kabizsa Open | 45 | Ver |
| 11 ago 2026 | Giannoulakis, Lampros 2272 | Kalogridis, Antonios 2429 | 1-0 | A15 Apertura Inglesa: Anglo-Indian Defense, Queen's Indian Formation | 9th SKG Open 2026 | Group A | 107 | Ver |
| 10 ago 2026 | Kalogridis, Antonios 2429 | Tsaknakis, Zisis 2261 | 0-1 | D35 Gambito de Dama rehusado: Exchange Variation, Positional Variation | 9th SKG Open 2026 | Group A | 67 | Ver |
| 8 ago 2026 | Nithin Babu 2315 | Kalogridis, Antonios 2429 | 0-1 | B30 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack | 9th SKG Open 2026 | Group A | 54 | Ver |
| 8 ago 2026 | Kalogridis, Antonios 2429 | Stefanou, Dimitrios 2333 | 1-0 | E20 Defensa Nimzoindia: Kmoch Variation | 9th SKG Open 2026 | Group A | 60 | Ver |
| 7 ago 2026 | Palaiologou, Apostolos 2201 | Kalogridis, Antonios 2429 | 0-1 | B30 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack | 9th SKG Open 2026 | Group A | 45 | Ver |
| 7 ago 2026 | Kalogridis, Antonios 2429 | Nenova, Andzhelika 2121 | 1-0 | D35 Gambito de Dama rehusado: Exchange Variation, Positional Variation | 9th SKG Open 2026 | Group A | 19 | Ver |
| 4 ago 2026 | Papadopoulos, Georgios 2385 | Kalogridis, Antonios 2429 | 1-0 | B62 Defensa Siciliana: Richter-Rauzer Variation | 35th Kavala Open Chess Tournament \"Vasilis Theodoridis\" | Group A | 46 | Ver |
| 3 ago 2026 | Kalogridis, Antonios 2429 | Aronyak Ghosh 2551 | ½-½ | E20 Defensa Nimzoindia: Kmoch Variation | 35th Kavala Open Chess Tournament \"Vasilis Theodoridis\" | Group A | 11 | Ver |
| 2 ago 2026 | Kalogridis, Antonios 2399 | Campos Gomez, Manuel 2421 | ½-½ | D31 Gambito de Dama rehusado: Semi-Slav, Abrahams Variation | 35th Kavala Open Chess Tournament \"Vasilis Theodoridis\" | Group A | 28 | Ver |