Colors
Customize the app, board, and pieces. Saved on this device.
8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h
Storage
Games, reviews, stats, and puzzles stay in this browser. iOS may clear site data when storage is low.
Engine
Stockfish 18 lite (single-thread) for Safari compatibility.
Offline
After you open the site once online, the app shell, icons, and chess engine are cached for offline play. Games and stats already live on this device.
Tip: Add to Home Screen, then launch from the icon for the best offline experience.