Move: Drag •
Clone: Double click •
Resize: Ctrl + Drag
Go is played by placing alternately the stones on the vacant intersections.
The game is played by two players who place alternately black and white stones
on the intersections free of a 19x19 grid lines.
The object of the game is to control a larger portion of the board than the opponent.
A stone or group of stones is captured and removed from play if no empty adjacent intersections.
That is if is completely surrounded by stones of the opposite colour.