International
Chess Federation
| Event code | 430442 |
| Tournament Name | 2025 July Cornerstone Chess - Group 4 |
| City | Sunnyvale, CA |
| Country | USA |
| Number of players | 4 |
| System | r |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-07-19 |
| End Date | 2025-07-20 |
| Date received | 2025-07-25 |
| Date registered | 2025-07-03 |
| Type | |
| Time Control | Standard: 90 minutes with 30 second increment from move 1 |
| Zone | |
| Reported mult. round days | 1 |
| Chief Arbiter | Talamantez, Abel (USA) (FI,SI,LSI,AO,SLI) |
| Deputy Chief Arbiter | Koepcke, Richard (USA) |
| Chief Organizer | Stearman, Josiah (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