Baduklab Online Group Tournaments
The Baduklab Online Group Tournaments are (were?) a series of online friendlies and knockout matches between amateur go associations around the world. Participants include top regional champions and seasoned club players.
The matches are organized by Baduk Laboratory roughly once a month on OGS with video commentaries provided by professional and/or top amateur players. Notable past participants include national teams and national/international go champions from Korea, Japan, Taiwan, Mainland China, Singapore, Thailand.