International
Chess Federation
| Event code | 426441 |
| Tournament Name | The 4th Vientiane Open FIDE Rated |
| City | Vientiane capital |
| Country | LAO |
| Number of players | 50 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-06-21 |
| End Date | 2025-06-22 |
| Date received | 2025-06-28 |
| Date registered | 2025-06-01 |
| Type | |
| Time Control | Standard: 60 minutes with 30 seconds increment from move 1 |
| Zone | |
| Chief Arbiter | INTHAVA VILAVANE MR INTHAVA VILAVANE MR INTHAVA VILAVANE MR |
| Deputy Chief Arbiter | Roberto Suelo Roberto Suelo Roberto Suelo |
| Chief Organizer | |
| Organizer | |
| PGN file | |
| Orig.Report | View |
| View Report | Rated for July 2025 as Standard |
More information: The full list of tournaments received from Laos for July 2025