International
Chess Federation
| Event code | 415572 |
| Tournament Name | 3. Letzi Open (standard) |
| City | Zurich |
| Country | SUI |
| Number of players | 120 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-05-10 |
| End Date | 2025-05-11 |
| Date received | 2025-05-15 |
| Date registered | 2025-03-08 |
| Type | |
| Time Control | Standard: 90 minutes with 30 second increment from move 1 |
| Zone | |
| Reported mult. round days | 2 |
| Chief Arbiter | Kradolfer, Georg (SUI) (FI) |
| Deputy Chief Arbiter | Loup, Roger (SUI) Glatzfelder, Kurt (SUI) |
| Chief Organizer | Kradolfer, Georg (SUI) |
| Organizer | |
More information: The full list of tournaments received from Switzerland for June 2025