International
Chess Federation
| Event code | 447109 |
| Tournament Name | Filhos de RO Chess Open Fide STD |
| City | Porto Velho RO |
| Country | BRA |
| Number of players | 30 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-10-24 |
| End Date | 2025-10-26 |
| Date received | 2025-11-13 |
| Date registered | 2025-10-13 |
| Type | |
| Time Control | Standard: 60 minutes with 30 seconds increment from move 1 |
| Zone | |
| Chief Arbiter | Kester, Rogerio (BRA) |
| Deputy Chief Arbiter | Ragnini,Albino Joao (BRA) |
| Arbiter | Kester, Ester Cortes (BRA) |
| Chief Organizer | |
| Organizer | |
| PGN file | Download |
| Orig.Report | View |
| View Report | Rated for December 2025 as Standard |
More information: The full list of tournaments received from Brazil for December 2025