The I-Go King and His Son 2007 on netflix

When LIU Yishou, nicknamed the “Go King” by his peers because of his skill in Weiqi (Go), finds himself without a job. And with no other skills to make a living, he then turns to teaching this strategic Chinese board game in a humble training school for children. Annoyed by her husband’s passion for the game, LIU Yishou’s wife leaves him, but their son, Xiao Chuan, wants to stay with his dad. Unexpectedly, LIU Yishou discovers that his son has a great talent for playing Weiqi and vows to support him in developing his gift for the game. A struggle then arises for the Go King to come up with the money to finance his son’s studies of Weiqi.