International
Chess Federation
| Event code | 433128 |
| Tournament Name | 8th Annual Irwin National Tournament of Senior State Champions |
| City | Middleton, WI |
| Country | USA |
| Number of players | 50 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-07-28 |
| End Date | 2025-07-31 |
| Date received | 2025-08-22 |
| Date registered | 2025-07-24 |
| Type | |
| Time Control | Standard: 90 minutes with 30 second increment from move 1 |
| Zone | |
| Reported mult. round days | 2 |
| Chief Arbiter | Buklis, William (USA) |
| Chief Organizer | Karagianis, Petros (USA) |
| Organizer | |
| PGN file | |
| Orig.Report | View |
| View Report | Rated for September 2025 as Standard |
More information: The full list of tournaments received from United States of America for September 2025