The traditional game of surrounding territory. Area scoring, with komi bid and a pie choice.

Inventor: Traditional

See Sensei's Library and BoardGameGeek: Go.

5, 9, 13, 17, 19 (default), 21, 25, 37.

Default: area scoring, situational superko.

Area scoring; ko checks the board only.

• Current engine version: 20260225 (2026-02-25). On Abstract Play since 2026-03-07.

• An optional display colours estimated territories.

• https://boardgamegeek.com/boardgame/188/go
• https://senseis.xmp.net/