Go Goose 雁金

The famous games

Opens in the viewer — arrow through or hit auto-play. Once it's open, Watch together makes a room around it, and Fork from here lets you play the position out.

Bring any SGF — then use Analyze (territory + candidate moves), Review (points lost, move by move), and Human view (what a 20 kyu or a 1920s pro would play), all powered by KataGo.