Select 1, 2 or 3 marbles using a mouse left button click
You can click again to deselect the marble.
You can select only marbles with your color (black for Player1 and white for Player2)
If you select marbles correctly, see Abalone rules for details, you can move them.
Press the Mouse Left Button and move it to the selected direction.
After releasing the button you will see the turn if it is possible.
If you push the marble outside the board you will see it in Player's info at the right of the screen
If you lost 6 marbles you loose the game
On the screen shot below Player1 loses one black marble, Player2 loses 2 white marbles