International
Chess Federation
| Event code | 434563 |
| Tournament Name | Open Basque Country Sestao Rapid 2025 |
| City | Sestao (Vizcaya) |
| Country | ESP |
| Number of players | 200 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-09-14 |
| End Date | 2025-09-14 |
| Date received | 0000-00-00 |
| Date registered | 2025-08-04 |
| Type | |
| Time Control | Rapid: 10 minutes for game with 2 seconds increment from move 1 |
| Zone | |
| Chief Arbiter | Almansa Martin, Miguel A. (ESP) |
| Chief Organizer | |
| Organizer | |
More information: The full list of tournaments received from Spain for October 2025