IGF is the main organizer of the World Amateur Go Championship a tournament that in its 29th ediition (2009, Tokyo) has gathered 68 players from 68 countries.
Every year the IGF assists in the organisation of the International Amateur Pair Go Championships (IAPGC) and in 2006, 07 and 08 has provided support for the International Amateur Baduk Championships (IABC).
In 2008 the IGF has succeded in the organization of the Go section of the 1st World Mind Sports Games (WMSG) wich saw the paricipation of 560 players from 61 countries.
The Yokohama Sotetsu Cup World Amateur Go Championship is non longer held. The results of the champioship are available here.