| Country | Chess tournament name | Start | End |
|---|---|---|---|
 |
UKCA Championships 250817 U7-U15 | 2025-08-17 | 2025-08-17 |
|
8th Northumbria Masters Open Swiss | 2025-08-20 | 2025-08-25 |
|
Sussex University Invitational IM Norm Tournament | ||
|
1st Swindon Chess Congress, 22-25 August 2025 - Extra Rated Games {STEAM - Museum of the Great Western Railway} | 2025-08-22 | 2025-08-25 |
|
1st Swindon Chess Congress, 22-25 August 2025 - Open {STEAM - Museum of the Great Western Railway} | 2025-08-22 | 2025-08-25 |