International
Chess Federation
| Event code | 427958 |
| Tournament Name | VIII Maraba Chess Open STD 2025 |
| City | Maraba PA |
| Country | BRA |
| Number of players | 80 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-06-19 |
| End Date | 2025-06-22 |
| Date received | 2025-06-27 |
| Date registered | 2025-06-12 |
| Type | |
| Time Control | Standard: 90 minutes with 30 second increment from move 1 |
| Zone | |
| Chief Arbiter | Almeida, Antonio Carlos S. (BRA) |
| Deputy Chief Arbiter | Campos , Sidronio Araujo (BRA) |
| Arbiter | Leal, Rodrigo Ferreira (BRA) Brito, Jimmy Thomas Vasconcelos (BRA) Almeida, Luis Fernando Silva (BRA) |
| Chief Organizer | |
| Organizer | |
| View Report | Rated for July 2025 as Standard |
More information: The full list of tournaments received from Brazil for July 2025