Connecting your USCF ID to your account
If you're a US Chess Federation member, you can join official US Chess-rated tournaments on Chess.com by following the steps below.
Verify your US Chess membership: To participate, you must first be a current member of the US Chess Federation (USCF).
Complete the USCF Member Authentication Form: https://www.chess.com/news/view/uscf-member-authentication-9266
Make sure your Chess.com username is connected to your US Chess account: https://new.uschess.org/news/it-factor-part-3-managing-your-preferences
Join the US Chess Club on Chess.com: Go to the US Chess Club page and click the 'Join' button on the club's homepage.
Once you've completed the authentication form and requested to join the club, it may take 7-10 days for your membership to be approved. After your request is approved, you’ll be able to join official live US Chess tournaments on Chess.com.
Find Tournaments
You can go to the Play Online page and click on 'Tournaments' to view and join the available US Chess-rated events.
You can find the full Tournament schedule here: Tournament Schedule