International
Chess Federation
| Event code | 436800 |
| Tournament Name | OBRO Efteraar 2025 - 4 Round 1-4 |
| City | Copenhagen |
| Country | DEN |
| Number of players | 6 |
| System | r |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-10-20 |
| End Date | 2025-11-17 |
| Date received | 2025-11-28 |
| Date registered | 2025-08-18 |
| Type | |
| Time Control | Standard: 90 minutes with 30 second increment from move 1 |
| Zone | |
| Chief Arbiter | Petersen, Martin Reib (DEN) |
| Deputy Chief Arbiter | Gronnemose, Freja Egelund (DEN) |
| Chief Organizer | |
| Organizer | |
| PGN file | |
| Orig.Report | View |
| View Report | Rated for December 2025 as Standard |
More information: The full list of tournaments received from Denmark for December 2025