builds a checkers starting board 
    Printing Grid
     0     B     0     B     0     B     0     B
     B     0     B     0     B     0     B     0
     0     0     0     0     0     0     0     0
     0     0     0     0     0     0     0     0
     0     0     0     0     0     0     0     0
     0     0     0     0     0     0     0     0
     0     W     0     W     0     W     0     W
     W     0     W     0     W     0     W     0

def build_board_checkers():
    """ builds a checkers starting board 
    Printing Grid
     0     B     0     B     0     B     0     B
     B     0     B     0     B     0     B     0
     0     0     0     0     0     0     0     0
     0     0     0     0     0     0     0     0
     0     0     0     0     0     0     0     0
     0     0     0     0     0     0     0     0
     0     W     0     W     0     W     0     W
     W     0     W     0     W     0     W     0
    """
    grd = Grid(8,8, ["B","W"])
    for c in range(4):
        grd.set_tile(0,(c*2) - 1, "B")
        grd.set_tile(1,(c*2) - 0, "B")
        grd.set_tile(6,(c*2) + 1, "W")
        grd.set_tile(7,(c*2) - 0, "W")
    print(grd)

    return grd