Hikaru no Go

After stumbling across a haunted Go board, irresponsible Hikaru Shindo discovers that the spirit of a master player has taken up residence in his consciousness. In his pursuit of the "Divine Move," Fujiwara-no-Sai awakens in Hikaru an untapped interest and genius for the game, and soon the schoolboy is chasing his own dream--defeating the famed Go prodigy Akira Toya!
(Source: Viz Media)
Note: There are 197 chapters total in the original release.