Go is a classic board game. Learn how to play online. This online version is by za3k, written as part of hack-a-day. Source code is on github.
Board size
19x19
13x13
9x9
Handicap
None
1
2
3
4
5
6
7
8
9
Online Color
Random
Black
White
Play Mode
Online
Local
Play
Rules: Chinese scoring, 7.5 komi, simple ko