1. Revers Flag game process is to flip each other pieces and finally to the board who is more than the judge to determine the outcome. 2. The game board size is 8 x 8, the initial state is two white and two sunspots cross in the center of the board. 3. When the turn of a party is round, the position of the child must be able to hold the enemy pieces together with the side pieces, either horizontal, vertical or oblique. 4. When the turn of a party but no child can be continued by the other side to go. Can not be under the next child can not. 5. When both sides are nowhere to play when the end of the game, with more pieces to win.