International
Chess Federation
| Event code | 433046 |
| Tournament Name | 20th Dato Arthur Tan Malaysian Open Chess Championship |
| City | Kuala Lumpur |
| Country | MAS |
| Number of players | 75 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-09-15 |
| End Date | 2025-09-21 |
| Date received | 0000-00-00 |
| Date registered | 2025-07-24 |
| Type | |
| Time Control | Standard: 90 minutes with 30 second increment from move 1 |
| Zone | |
| Reported mult. round days | 3 |
| Chief Arbiter | Chuah, Jin Hai Jonathan (MAS) |
| Chief Organizer | Abd Hamid Bin Abd Majid (MAS) |
| Organizer | |
More information: The full list of tournaments received from Malaysia for October 2025