International
Chess Federation
| Event code | 415522 |
| Tournament Name | Gutenberg-Open Mainz 2025 B-Turnier |
| City | Mainz |
| Country | GER |
| Number of players | 109 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-05-29 |
| End Date | 2025-06-01 |
| Date received | 2025-06-17 |
| Date registered | 2025-03-08 |
| Type | |
| Time Control | Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1 |
| Zone | |
| Reported mult. round days | 3 |
| Chief Arbiter | Binner, Peter (GER) |
| Deputy Chief Arbiter | Wolf, Christian (GER) Regis, Georg (GER) |
| Chief Organizer | Binner, Peter (GER) |
| Organizer | |
More information: The full list of tournaments received from Germany for July 2025