For various reasons, we can't allow players to directly control their entire profile. For example, we would need to be contacted about corrections to date of birth, gender or federation as such changes would have to be passed on to FIDE. Another example would be that the temptation to award themselves the GM title might be too much for some!
You can update the following data yourself:
First, you need a login account (see Login Accounts for the ICU Websites for details). Then: