International
Chess Federation
| Event code | 406043 |
| Tournament Name | Hennefer ELO-Sommeropen 2025 |
| City | Hennef |
| Country | GER |
| Number of players | 140 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-08-15 |
| End Date | 2025-08-17 |
| Date received | 0000-00-00 |
| Date registered | 2025-01-07 |
| Type | |
| Time Control | Standard: All Moves in 105 Min. Incr. 30 Sec. / / |
| Zone | |
| Reported mult. round days | 2 |
| Chief Arbiter | von Haefen, Dieter (GER) |
| Deputy Chief Arbiter | Seidel, Martin (GER) Bursch, Alexander (GER) |
| Chief Organizer | Baumgarten, Fred (GER) |
| Organizer | |
More information: The full list of tournaments received from Germany for September 2025