Always find it difficult where to place a topic, so I made a scheme for it.
These three questions are leading you to the correct category:
Column 1: what is the subject of your topic?
Column 2: what categories can I chose from?
Column 3: is there a subcategory that fits best for my topic?
|GO||General||General Go Discussion, Go Classifieds (1)|
|Play||Internet Go (OGS, KGS, Nova League, Tygem, IGS, DGS, wdaduk)|
|Play||Tournaments, Ladders & Announcements|
|Learn||Teaching (Review Game, Teaching Game, Study Journals), Strategy and Tactics, Joseki & Go Resources|
|OGS||Feedback||Suggestions, Bug Report|
|OGS Development||API Development, Joseki Dictionary|
(1) categories in italics
(2) Support and Meta both deal with support: Meta only for forum, Support for forum and site.
(3) ~ means no subcategories available