canvas width = pack left wt et ht screen et getscreen , , , screen register_shape blackchecker screen register_shape redchecker screen screen bgcolor yellow width range penup goto , pendown goto , et ht update def toother write \ toother fromother = messagebox game over won = messagebox game over you won = messagebox game over print status is status return def computerturn toother write \ toother fromother computer = move fromother move move row move move row computer update def humanturn running return status checkstatus ! return running true row while row > and row this copy belongs to 'acha