International
Chess Federation
| Event code | 433541 |
| Tournament Name | I OPEN INTERNACIONAL CIUDAD DE SANTURTZI |
| City | Santurce (Vizcaya) |
| Country | ESP |
| Number of players | 150 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-09-20 |
| End Date | 2025-09-20 |
| Date received | 0000-00-00 |
| Date registered | 2025-07-28 |
| Type | |
| Time Control | Rapid: 15 minutes for game with 5 seconds increment from move 1 |
| Zone | |
| Chief Arbiter | Lopez Rodriguez, Eduardo (ESP) |
| Deputy Chief Arbiter | Almansa Martin, Miguel A. (ESP) |
| Chief Organizer | Rodriguez Rodriguez, Luis J. (ESP) |
| Organizer | |
More information: The full list of tournaments received from Spain for October 2025