International
Chess Federation
| Event code | 439569 |
| Tournament Name | Lysser Open 2025 round 3-7 |
| City | Lyss |
| Country | SUI |
| Number of players | 25 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-10-30 |
| End Date | 2025-11-27 |
| Date received | 2025-11-29 |
| Date registered | 2025-09-03 |
| Type | |
| Time Control | Standard: 90 minutes with 30 second increment from move 1 |
| Zone | |
| Chief Arbiter | Balli, Victor (SUI) |
| Deputy Chief Arbiter | Stucki, Matthias (SUI) Maitre, Fabien (SUI) |
| Chief Organizer | Balli, Victor (SUI) |
| Organizer | |
| PGN file | |
| Orig.Report | View |
| View Report | Rated for December 2025 as Standard |
More information: The full list of tournaments received from Switzerland for December 2025