International
Chess Federation
| Event code | 447663 |
| Tournament Name | 2025 Chicago Fall Open - Major |
| City | Schaumburg, IL |
| Country | USA |
| Number of players | 30 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-10-31 |
| End Date | 2025-11-02 |
| Date received | 2025-11-27 |
| Date registered | 2025-10-16 |
| Type | |
| Time Control | Standard: 90 minutes with 30 second increment from move 1 |
| Zone | |
| Reported mult. round days | 2 |
| Chief Arbiter | Wilson, Danial A (USA) |
| Deputy Chief Arbiter | Buklis, William (USA) |
| Chief Organizer | Wilson, Danial A (USA) |
| Organizer | |
| PGN file | |
| Orig.Report | View |
| View Report | Rated for December 2025 as Standard |
More information: The full list of tournaments received from United States of America for December 2025