To change your country/flag:
1. Go to the Chess Club website: https://www.chessclub.com/
2. Click on the "Log In" button in upper right.
3. Enter your email & password, then click the "Log In" button.
4. Click your avatar in the upper right then select the "Profile" option.
5. Click on "Account" at the left.
6. Select your country from the list.
Select the blank space in the list if you wish to hide your country.
7. Click the "Save" button to confirm your changes.