class BackgroundBoard(tk.Frame):

    def __init__(self, master=None):
        tk.Frame.__init__(self)
        self.master.title("Chess Python")
        self.background_image = Image.open(os.path.join(
            os.path.dirname(__file__)) + "/img/board.png")
        self.background_photo = ImageTk.PhotoImage(
            self.background_image)
        (backgroundWidth, backgroundHeight) = self.background_image.size
        self.canvas = tk.Canvas(self, width=backgroundWidth,
                                height=backgroundHeight)
        self.canvas.pack(side="top", fill="both", expand=True)
        self.canvas.create_image(0, 0, image=self.background_photo,
                                 anchor="nw")