The essential rules
The app offers boards with 9 × 9, 13 × 13 and 19 × 19 intersections. The initial size is 9 × 9. Black plays first; each player places a stone on an empty intersection or passes. Once placed, a stone does not move.
Read the rulesA thinking game · In development
Surround, connect, capture.
An almost empty board, then groups responding to one another. Learn to protect your stones and build your area, one intersection at a time.
Understand before you play
Explore the possibilities
Identify your chains’ liberties before playing. A chain with only one liberty left is in atari: check whether it can connect or capture.
Learn step by stepAn explained example
A capture at the edge
View the worked example