International
Chess Federation
| Event code | 432002 |
| Tournament Name | RSB Open 2025 - Groep B |
| City | Rotterdam |
| Country | NED |
| Number of players | 50 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-08-18 |
| End Date | 2025-08-29 |
| Date received | 0000-00-00 |
| Date registered | 2025-07-15 |
| Type | |
| Time Control | Standard: All Moves in 90 Min. Incr. 15 Sec. / / |
| Zone | |
| Chief Arbiter | Van der Graaf, Andre (NED) |
| Deputy Chief Arbiter | Van der Graaf-Osinga, Angelique (NED) |
| Chief Organizer | Verhoeven, Leo (NED) |
| Organizer | |
More information: The full list of tournaments received from Netherlands for September 2025