International
Chess Federation
| Event code | 431567 |
| Tournament Name | IRT de Invierno, Valdivia 2025 |
| City | Valdivia |
| Country | CHI |
| Number of players | 40 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-08-02 |
| End Date | 2025-08-03 |
| Date received | 2025-08-05 |
| Date registered | 2025-07-10 |
| Type | |
| Time Control | Standard: 60 minutes with 30 seconds increment from move 1 |
| Zone | |
| Reported mult. round days | 2 |
| Chief Arbiter | Lopez Illanes, Orlando Abel (CHI) (FI) |
| Chief Organizer | Araneda Wolnitzky, Andres Nestor (CHI) |
| Organizer | |
More information: The full list of tournaments received from Chile for September 2025