Spark & Anvil Privacy
StoneDojo Go study-hall world — two young adults playing Go on a goban with stone bowls under warm lamplight beside a wall diagram, sleek and mature

StoneDojo

A Go (Weiqi · Baduk) study hall for ages 15–18. Play full 9×9 games against a graded bot, then keep a personal, reviewable archive of every game and replay it move by move to study how the territory took shape. On-device — nothing leaves this device; an optional, pseudonymous account syncs your game archive across your own devices.

Play a Game A full 9×9 game vs the bot (Gentle · Steady · Sharp). You are Black; pass twice to end and count. My Games Replay + study every game you've played — move by move, with the real final count. Progress & Account Optional sign-in to carry your game archive across your own devices. Works fully signed-out.