Add some competition to your conversations with Checkmate! Play chess against family and friends in Messages! Simply start a conversation with someone, select the Checkmate! app and tap “New Match” to begin. You can play multiple matches with other people at the same time - even across all your devices! What are you waiting for? It's time to choose your opponent, make your move and play Checkmate! PLEASE NOTE: To enable and play Checkmate please follow instructions at https://support.apple.com/en-us/HT206906. iOS 11 must fully be installed before sending or receiving a move. Enabling and disabling (installing/uninstalling) the game is done via the App Store for iMessage. If you have any questions please send us an email at [email protected] and we'll do our best to help. Thanks!