The official FIDE THEIA app is all you need to keep yourself updated with major chess tournaments organized by FIDE.APP HIGHLIGHTSLive Games. Watch live games as soon as the players make their moves on a intuitive chesoard.NotificationsGet notifications as soon as a round starts, and when the game finishes. ThemesChoose from different board designs to suit your mood.Follow Tweets.Follow latest tweets related to the tournament.