Chikun ChoCho Chikun was born in Seoul, Korea in 1956. He came to Japan at the age of 6 and became the youngest-ever professional go player at only 11. He is considered to be one of the great prodigies in the history of go. By the age of 27, he held the four tp Japanese titles simultaneously, a feat that no other player had accomplished. At one time or another, he has held every one of the seven major titles, the Grand Slam of professional go. In the 1990s he was the undisputed king of the Japanese go world, holding the top three titles: Kisei, Meijin, and Honinbo. Read More Read Less