All Japan Go Association
(全日本囲碁協会) This is an amateur-based organization started by Kikuchi Yasuro around 2013. Its aims are to stimulating go activity and increasing the number of players in Japan. Its initial main activity has been collecting signatures to petition the government to have go incorporated into Japanís primary school curriculum. The Association also holds about four tournaments a year in Tokyo, and assigns ratings based on their results.
Official Website: https://zengokyo.jp/