Нужен код программы выводящей в tkinter, Label шахматную задачу

import tkinter as tk
poza =[1,5,8,6,3,7,2,4] 
BOARDSIDE = 8
COLORS = ('white', 'blue')
CELLSIZE = 25
 
class Chessboard(tk.Frame):
    def __init__(self, master=None):
        tk.Frame.__init__(self, master)
        self.grid(sticky=tk.N+tk.S+tk.W+tk.E)
        self.makeBoard()
        
    def makeBoard(self):
        top = self.winfo_toplevel()
        top.rowconfigure(0, weight=1, minsize=CELLSIZE*BOARDSIDE)
        top.columnconfigure(0, weight=1, minsize=CELLSIZE*BOARDSIDE)
        
        for i in range(BOARDSIDE):
            for j in range(BOARDSIDE):
                c = (i+j)&1
                if j == poza[i] - 1 :
                    f = tk.Label(self, text= "Q",fg="red", background=COLORS[c])
                else:
                    f = tk.Label(self, text= "", background=COLORS[c])  
                f.grid(row=i, column=j, sticky=tk.N+tk.S+tk.W+tk.E)
        
        for i in range(BOARDSIDE):
            self.rowconfigure(i, weight=1, minsize=CELLSIZE)
            self.columnconfigure(i, weight=1, minsize=CELLSIZE)
        
board = Chessboard()
board.master.title('Chess board')
board.mainloop()