Online-Go.com is the best place to play the game of Go online. Our community supported site is friendly, easy to use, and free, so come join us and play some Go!

Welcome to COSUMI! On this site, you can play 5×5 to 19×19 Go (a.k.a. Igo, Baduk, and Weiqi), which is a well-known ancient board game. If you do not know how to play Go, please look at this video (Go - Basic Rules / YouTube) first, and then try a 5×5 game that is just right for a beginner like you. Enjoy!

Go is a classic game where players place stones on a grid to claim territory and capture each other's stones. Learn the rules, ratings, reviews, images, videos, and online play options for this ancient and elegant game.

go, board game for two players. Of East Asian origin, it is popular in China, Korea, and especially Japan, the country with which it is most closely identified. Go, probably the world’s oldest board game, is thought to have originated in China some 4,000 years ago.

Go is an ancient strategy board game that was invented in China more than 3000 years ago. This web page explains the basic rules of Go in 10 easy steps with examples, videos and quizzes.

Go is a fun 2-player board game where players compete to take over the most territory on the board. The board features a 19 by 19 grid. The game also comes with 181 black stones and 180 white stones.

A detailed Go board game (weiqi in China, baduk in Korea) guide written by Alexandr Dinershteyn, 7-time European champion. Here you’ll find everything you need to know: why it’s worth trying to play, how and where to start.

Learn the basics of Go, an ancient Chinese board game, with this beginner's guide. Find out the rules, terminology, setup, and scoring of this strategy game.

Learn the basics of Go, a two-player board game of strategic thinking and territory building. Find out how to place stones, capture opponents, use handicaps, komi and ko rules, and end the game.