International
Chess Federation
| Event code | 431342 |
| Tournament Name | XLII Torneo Abierto Internacional de Ajedrez de Collado Villalba |
| City | Collado Villalba (Madrid) |
| Country | ESP |
| Number of players | 100 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-08-22 |
| End Date | 2025-08-30 |
| Date received | 0000-00-00 |
| Date registered | 2025-07-09 |
| Type | |
| Time Control | Standard: 90 minutes with 30 second increment from move 1 |
| Zone | |
| Chief Arbiter | Pablos Tenrero, Raquel (ESP) |
| Chief Organizer | Cao Armillas, Jesus (ESP) |
| Organizer | |
More information: The full list of tournaments received from Spain for October 2025