Easy to distinguish / Chessboard

Go is a game for all ages, which is very popular in Asia. While every time separating black chess pieces from white pieces will spend much time, which is considerable troublesome for the old and people with poor eyesight. Therefore, this design solves problem of spending much time to separate them, players only need to randomly lift one side of the chessboard, and then the white chess pieces will slip to the other side, which will greatly shorten time of separating black pieces from white pieces.