International
Chess Federation
| Event code | 419780 |
| Tournament Name | 27th Open Irakleiou Attikis - Athens Challenge 2025 A |
| City | Heraklion Attikis |
| Country | GRE |
| Number of players | 100 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-06-14 |
| End Date | 2025-06-22 |
| Date received | 2025-06-29 |
| Date registered | 2025-04-08 |
| Type | |
| Time Control | Standard: 90 minutes with 30 second increment from move 1 |
| Zone | |
| Chief Arbiter | Roukounakis, Mihail (GRE) |
| Deputy Chief Arbiter | Komninos, Nikolaos (GRE) (FI) |
| Arbiter | Stavropoulos, Aris (GRE) (NI) Kemalai, Vasilika (GRE) |
| Chief Organizer | |
| Organizer | |
| View Report | Rated for July 2025 as Standard |
More information: The full list of tournaments received from Greece for July 2025