| Country | Chess tournament name | Start | End |
|---|---|---|---|
 |
Lancaster Congress 2025 Open | 2025-08-15 | 2025-08-17 |
|
Lancaster Congress 2025 Minor | 2025-08-15 | 2025-08-17 |
|
Lancaster Congress 2025 Major | 2025-08-15 | 2025-08-17 |
|
Lancaster Congress 2025 Inter | 2025-08-15 | 2025-08-17 |
 |
Edinburgh Park Major |