Live demo · sanitized sample archive · engine jobs are previews and changes reset

Practice from your games

Puzzle training

Calculate without engine hints, then replay the best continuation in normal chess notation.

This sample puzzle is fully playable. Progress lasts for this session; generating new puzzles requires the local app.

Training queue0 solved · 1 remaining

White to move

Position from your game

Puzzle 1 of 1

Drag or click to move · right-click marks · right-drag arrows.