The manga spawned a 75 episode anime adaptation was produced by Studio Pierrot back in 2001 to 2003.
One day, he finds an old bloodstained Go board in his grandfather’s attic – and that’s when things get really interesting.
Trapped inside the Go board is Fujiwara-no-Sai, the ghost of an ancient Go master who taught the strategically complex board game to the Emperor of Japan many centuries ago.