The simplest way to login is to use an URL in an email that is sent to you.  These emails have 

You can use your specialized link to bypass the login screen going directly to tournament selection.  As the email states, these links have a limited time when they can be used.

If you don't have a link, you can supply the email and password you use to log into the DIHQ Resource Area. This will be the same email and password you used to register for Global Finals this year.

You can reset you DIHQ Resource Area password at this URL:

You can also check with the Global Finals Scoring Team.  They can help you get past this point.