| 30 ago 2026 | Halkias, Stelios 2465 | Vutov, Mario 2356 | ½-½ | E92 Defensa India de Rey: Orthodox Variation, Gligoric-Taimanov System | Sofia Cup 2026 - Balkan Rapid & Blitz Championships | Blitz | 55 | Ver |
| 30 ago 2026 | Salimova, Nurgyul 2350 | Halkias, Stelios 2465 | 1-0 | E06 Apertura Catalana: Closed | Sofia Cup 2026 - Balkan Rapid & Blitz Championships | Blitz | 26 | Ver |
| 30 ago 2026 | Halkias, Stelios 2465 | Sjugirov, Sanan 2586 | 0-1 | E92 Defensa India de Rey: Orthodox Variation, Gligoric-Taimanov System | Sofia Cup 2026 - Balkan Rapid & Blitz Championships | Blitz | 48 | Ver |
| 30 ago 2026 | Gurel, Ediz 2578 | Halkias, Stelios 2465 | 1-0 | B90 Defensa Siciliana: Najdorf Variation, English Attack | Sofia Cup 2026 - Balkan Rapid & Blitz Championships | Blitz | 48 | Ver |
| 30 ago 2026 | Halkias, Stelios 2465 | Piorun, Kacper 2539 | 1-0 | E90 Defensa India de Rey: Normal Variation, Rare Defenses | Sofia Cup 2026 - Balkan Rapid & Blitz Championships | Blitz | 70 | Ver |
| 30 ago 2026 | Kanov, Nikola 2259 | Halkias, Stelios 2465 | 0-1 | B92 Defensa Siciliana: Najdorf Variation, Opocensky Variation, Modern Line | Sofia Cup 2026 - Balkan Rapid & Blitz Championships | Blitz | 45 | Ver |
| 30 ago 2026 | Halkias, Stelios 2465 | Van Foreest, Lucas 2555 | ½-½ | D02 Apertura de Peón de Dama: Symmetrical Variation | Sofia Cup 2026 - Balkan Rapid & Blitz Championships | Blitz | 49 | Ver |
| 30 ago 2026 | Tadic, Stefan 2319 | Halkias, Stelios 2465 | 0-1 | B23 Defensa Siciliana: Closed, Traditional | Sofia Cup 2026 - Balkan Rapid & Blitz Championships | Blitz | 33 | Ver |
| 29 ago 2026 | Halkias, Stelios 2457 | Cheparinov, Ivan 2615 | ½-½ | E11 Defensa Bogoindia: Retreat Variation | Sofia Cup 2026 - Balkan Rapid & Blitz Championships | Rapid | 51 | Ver |
| 29 ago 2026 | Saraci, Nderim 2510 | Halkias, Stelios 2457 | ½-½ | E10 Defensa India: Anti-Nimzo-Indian | Sofia Cup 2026 - Balkan Rapid & Blitz Championships | Rapid | 59 | Ver |
| 29 ago 2026 | Halkias, Stelios 2457 | Salgado Lopez, Ivan 2566 | 1-0 | A04 Apertura Zukertort: Kingside Fianchetto | Sofia Cup 2026 - Balkan Rapid & Blitz Championships | Rapid | 50 | Ver |
| 29 ago 2026 | Jun, Rudolf 2231 | Halkias, Stelios 2457 | 0-1 | B30 Defensa Siciliana: Old Sicilian | Sofia Cup 2026 - Balkan Rapid & Blitz Championships | Rapid | 63 | Ver |
| 29 ago 2026 | Plat, Vojtech 2546 | Halkias, Stelios 2457 | ½-½ | B50 Defensa Siciliana: Delayed Alapin Variation, with d6 | Sofia Cup 2026 - Balkan Rapid & Blitz Championships | Rapid | 73 | Ver |
| 29 ago 2026 | Halkias, Stelios 2457 | Simeonov, Velin 2000 | ½-½ | D30 Gambito de Dama rehusado: Tarrasch Defense, Pseudo-Tarrasch | Sofia Cup 2026 - Balkan Rapid & Blitz Championships | Rapid | 72 | Ver |
| 10 jul 2026 | Katsanis, Vasileios Dim 2363 | Halkias, Stelios 2498 | ½-½ | E32 Defensa Nimzoindia: Classical Variation | 53rd Greek Team Championship 2026 | 36 | Ver |
| 10 jul 2026 | Halkias, Stelios 2498 | Christodoulou, Panagiotis 2383 | ½-½ | D37 Gambito de Dama rehusado: Three Knights Variation | 53rd Greek Team Championship 2026 | 22 | Ver |
| 8 jul 2026 | Halkias, Stelios 2498 | Galopoulos, Nikolaos 2426 | 1-0 | D02 Apertura de Peón de Dama: Krause Variation | 53rd Greek Team Championship 2026 | 33 | Ver |
| 6 jul 2026 | Halkias, Stelios 2498 | Papadopoulos, Panayotis 2298 | ½-½ | D02 Apertura de Peón de Dama: Zukertort Variation | 53rd Greek Team Championship 2026 | 37 | Ver |
| 2 jul 2026 | Halkias, Stelios 2498 | Mastrovasilis, Dimitrios 2525 | ½-½ | E04 Apertura Catalana: Open Defense | Greek Chess Cup F4 | 12 | Ver |
| 30 dic 2025 | Bai, Adelard 2358 | Halkias, Stelios 2485 | 1-0 | A45 Ataque Trompowsky | World Blitz 2025 Open | 29 | Ver |