Chess GM Champion
A MaxLeaf app

Play. Learn.
Fully offline.

A complete chess trainer and opponent that lives entirely on your device — play the Stockfish engine at your level, then learn from every move.

▶  Get it on Google Play Free · No ads · No sign-up

100% offline · engine runs on your device · no data collected

What's inside

Play at your level

Face the Stockfish engine — one of the strongest chess engines in the world — at difficulty steps from relaxed to grandmaster-level strength. Pick your colour, clock, board theme and piece set.

Learn from every move

Move-by-move coaching explains ideas and warns you about mistakes as you play. Blunder review walks back through the game to show where it turned.

Puzzles every day

A daily puzzle to keep your streak alive, Puzzle Rush against the clock, a 371-puzzle checkmate course, and training puzzles built from your own mistakes.

Track your progress

An estimated Elo rating that moves with your results, a rating history graph, win/loss streaks and game stats.

Screenshots

Home screen with rating, daily puzzle, Puzzle Rush and learning path
Your rating, puzzles & progress
Mid-game position with the coach explaining a move and an evaluation bar
Coaching while you play
Daily puzzle screen with a skewer tactic to solve
Daily puzzles & Puzzle Rush
Private by design. Chess GM Champion collects no personal data. There are no accounts, no ads and no analytics; the app makes no network requests, and everything — ratings, games, puzzle progress — stays on your device. Read the full privacy policy.