International
Chess Federation
| Event code | 410085 |
| Tournament Name | IV Manaus Chess Open 2025 |
| City | Manaus AM |
| Country | BRA |
| Number of players | 150 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-10-11 |
| End Date | 2025-10-17 |
| Date received | 0000-00-00 |
| Date registered | 2025-02-02 |
| Type | |
| Time Control | Standard: 90 minutes with 30 second increment from move 1 |
| Zone | |
| Chief Arbiter | Mourao, Elcio Conte Lofredo (BRA) |
| Chief Organizer | |
| Organizer | |
More information: The full list of tournaments received from Brazil for November 2025