International
Chess Federation
| Event code | 424924 |
| Tournament Name | 15th Annual World Open Senior Amateur |
| City | Philadelphia, PA |
| Country | USA |
| Number of players | 50 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-06-30 |
| End Date | 2025-07-01 |
| Date received | 2025-07-04 |
| Date registered | 2025-05-18 |
| Type | |
| Time Control | Standard: All Moves in 90 Min. Del. 10 Sec. / / |
| Zone | |
| Reported mult. round days | 2 |
| Chief Arbiter | Hater, David (USA) |
| Deputy Chief Arbiter | Sprechman, Hal (USA) Brauner, Sarah (USA) |
| Arbiter | Hatherill, Charles W (USA) (NI) |
| Chief Organizer | Goichberg, William (USA) |
| Organizer | |
| PGN file | |
| Orig.Report | View |
| View Report | Rated for August 2025 as Standard |
More information: The full list of tournaments received from United States of America for August 2025