Chess Codex is a calm, beautiful place to get sharper at chess.
5,400 hand graded puzzles take you from your very first checkmate to
tactics that will test a club player. Every puzzle is a real position
with one best move to find. Spot the fork, land the pin, set up the mate.
Play offline, anywhere. No account, no sign up, no clutter.
A quiet, uncluttered board built for focus.
Chess Codex is part of Penrose Park Puzzles, a family of premium puzzle
games.