Play Go Board Game Online Against AI

Go, known as Weiqi in Chinese and Baduk in Korean, is an ancient board game of surrounding territory and capturing stones. Play Go Board Game free in your browser against adjustable AI. No download or account.

Why play Go here?

KataGo in your browser, in three model sizes so it runs on a phone as well as a laptop. Play 9×9, 13×13 or 19×19 under Chinese, Japanese or Korean scoring. Master Hint numbers the top candidates with their win rates. Daily tsumego.

How You WinSurround more of the board than your opponent. After both players pass in succession the game ends and is scored under the current ruleset — area scoring for Chinese rules, territory scoring for Japanese and Korean — plus komi for White. The higher score wins, and because komi carries a half point there are no draws.

Board
9 / 13 / 19 lines (19 by default)
First move
Black, with komi compensation to White

Complete Go Board Game rules and beginner guide

Go puzzles: one a day, plus a journey from easy to hard

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