return true check diagonal spaces for in range(boardwidth ) for in range( boardheight) if board[ ][ =tile and board[ + ][ - =tile and board[ + ][ - =tile and board[ + ][ - =tile return true check diagonal spaces for in range(boardwidth ) for in range(boardheight ) if board[ ][ =tile and board[ + ][ + =tile and board[ + ][ + =tile and board[ + ][ + =tile return true return false if __name__ ='__main__' main(email questions to the authoral@inventwithpython com