Black & White influence / territory over the game (higher line = more of the board) • drag the slider or click the strip to jump.
Drag orbit/tilt • WASD move • wheel or +/− zoom • arrow keys tilt/rotate. The hand places each stone with a glow + a wooden “tock”. Pick a game: 9×9 (simple) · Ear-Reddening · AlphaGo.
The Teacher
Press ▶ Play — I’ll place the opening stones and talk you through them.
How the score is counted (a clean example — each shaded point is worth 1):