Read Hikaru no Go Manga:
A regular school boy, Hikaru Shindo stumbles upon an old GO board while looking through his grandpa old storage room for something worth money. From inside the board came an old spirit named Sai who once dedicated his life to GO. Together, Sai continues to search for the move people call "The god hand" while Hikaru slowly began interest in this ancient game and walks down the road of GO.