International
Chess Federation
| Event code | 424930 |
| Tournament Name | 53rd Annual World Open |
| City | Philadelphia, PA |
| Country | USA |
| Number of players | 200 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-07-02 |
| End Date | 2025-07-06 |
| Date received | 2025-07-21 |
| Date registered | 2025-05-18 |
| Type | |
| Time Control | Standard: 40 Moves in 90 Min. Del. 30 Sec. / / 30 Min. Del. 30 Sec. |
| Zone | |
| Reported mult. round days | 4 |
| Chief Arbiter | Hater, David (USA) |
| Deputy Chief Arbiter | Yang, Brian (USA) (FI) Hatherill, Charles W (USA) (NI) |
| Sector Arbiter | Immitt, Steve (USA) |
| Arbiter | Sprechman, Hal (USA) Heck, Karl T (USA) Armenta, CJ (USA) Buklis, William (USA) Brauner, Sarah (USA) |
| 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