International
Chess Federation
| Event code | 421330 |
| Tournament Name | Naantalin turnaus 2025 - Avoin SM |
| City | Naantali |
| Country | FIN |
| Number of players | 50 |
| System | s |
| Hybrid | NO |
| Category | 0 |
| Start Date | 2025-06-30 |
| End Date | 2025-07-06 |
| Date received | 0000-00-00 |
| Date registered | 2025-04-21 |
| Type | |
| Time Control | Standard: 40 Moves in 100 Min. Incr. 30 Sec. / 20 Moves in 40 Min. Incr. 30 Sec. / 10 Min. Incr. 30 Sec. |
| Zone | |
| Reported mult. round days | 2 |
| Chief Arbiter | Hakala, Mika (FIN) |
| Deputy Chief Arbiter | Vannassalo, Seppo (FIN) |
| Chief Organizer | Hakala, Mika (FIN) |
| Organizer | |
More information: The full list of tournaments received from Finland for August 2025