International
Chess Federation
| Event code | 430969 |
| Tournament Name | Primorsko open-B tournament |
| City | Primorsko |
| Country | BUL |
| Number of players | 50 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-09-15 |
| End Date | 2025-09-21 |
| Date received | 0000-00-00 |
| Date registered | 2025-07-07 |
| Type | |
| Time Control | Standard: 60 minutes with 30 seconds increment from move 1 |
| Zone | |
| Reported mult. round days | 1 |
| Chief Arbiter | Yordanova, Svetla (BUL) (FT) |
| Deputy Chief Arbiter | Zhekov, Zhivko (BUL) |
| Chief Organizer | |
| Organizer | |
More information: The full list of tournaments received from Bulgaria for October 2025