International
Chess Federation
| Event code | 411333 |
| Tournament Name | II Aberto do Brasil Rondonia STD 2025 |
| City | Cacoal RO |
| Country | BRA |
| Number of players | 60 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-04-18 |
| End Date | 2025-04-20 |
| Date received | 2025-04-24 |
| Date registered | 2025-02-09 |
| Type | |
| Time Control | Standard: 90 minutes with 30 second increment from move 1 |
| Zone | |
| Chief Arbiter | Kester, Rogerio (BRA) |
| Deputy Chief Arbiter | Ragnini,Albino Joao (BRA) |
| Arbiter | Lazzarotti, Renato Moura (BRA) Kester, Ester Cortes (BRA) |
| Chief Organizer | |
| Organizer | |
More information: The full list of tournaments received from Brazil for May 2025