International
Chess Federation
| Event code | 416311 |
| Tournament Name | I Rio Chess Masters 2025 ITT |
| City | Rio de Janeiro RJ |
| Country | BRA |
| Number of players | 28 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-09-06 |
| End Date | 2025-09-14 |
| Date received | 0000-00-00 |
| Date registered | 2025-03-13 |
| Type | |
| Time Control | Standard: 90 minutes with 30 second increment from move 1 |
| Zone | |
| Chief Arbiter | Einhorn, Marcelo (BRA) |
| Pairings Arbiter | Einhorn, Marcelo (BRA) |
| Chief Organizer | Ferreira, Oscar Vieira (BRA) |
| Organizer | Monteiro Rosas, Ednilson (BRA) |
More information: The full list of tournaments received from Brazil for October 2025