International
Chess Federation
| Event code | 417579 |
| Tournament Name | KALTIM INTERNATIONAL FIDE RATED 2025_CHALLENGER |
| City | SAMARINDA |
| Country | INA |
| Number of players | 100 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-04-28 |
| End Date | 2025-05-02 |
| Date received | 2025-05-05 |
| Date registered | 2025-03-24 |
| Type | |
| Time Control | Standard: 90 minutes with 30 second increment from move 1 |
| Zone | |
| Reported mult. round days | 2 |
| Chief Arbiter | Subandrijo, Agus (INA) |
| Deputy Chief Arbiter | Hariputra, Chessy Prila (INA) |
| Arbiter | Prayitno (INA) Yasin, Muh Ali (INA) Rahman, Laode (INA) Idris Karim (INA) Hamdani (INA) Biantong, Gideon Otto (INA) |
| Anticheating Arbiter | Mulyadi (INA) |
| Chief Organizer | |
| Organizer | Siregar, Muhammad Novian (INA) |
| View Report | Rated for June 2025 as Standard |
More information: The full list of tournaments received from Indonesia for June 2025