These are three action buttons in Chess Roll.
(1) Dice Roll – Clicking this marks the start of your move. It will roll your dice and the results will be shown on the bar on the upper corner of your screen.
(2) Pass – You may skip your turn if you don’t think it is right to make a move with the pieces from your dice roll. Click this button and your move ends. Your opponent will now have the chance to roll his/her dice.
(3) Resign Match – Click this button to end your game. This will be automatically counted as your loss and your opponent’s win.