| Event code | 418063 |
| Tournament Name | 5th Big Rook International Chess Festival Challenger 2025 |
| City | Bangkok |
| Country | THA |
| Number of players | 50 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-05-07 |
| End Date | 2025-05-12 |
| Date received | 2025-05-12 |
| Date registered | 2025-03-26 |
| Type | |
| Time Control | Standard: 90 minutes with 30 second increment from move 1 |
| Zone | |
| Reported mult. round days | 3 |
| Chief Arbiter | Phanudom, Khosak (THA) |
| Arbiter | Brahmawong, Wasinee (THA) Srisawang, Piroon (THA) Pornariyasombat, Atippat (THA) |
| Chief Organizer | Chongstitwattana, Cholapat (THA) |
| Organizer | Jongatireklap, Wacharaphol (THA) Wiwatanadate, Poompong (THA) |
| PGN file | |
| Orig.Report | View |
| View Report | Rated for June 2025 as Standard |
More information: The full list of tournaments received from Thailand for June 2025