This version of Checkers created by the brazilian Guba Studios is a composite version of a board that has no rules that limit the user action. The users can use the rules they prefer to play their game of Checkers. They can drag the pieces to the position they want, and play the game their way. They can put the piece that want out of the board by dragging it when they want. Furthermore, they can mark the pices that want in the game by double click, indicating they became kings. Enjoy the game and have a lot of fun.