Chess GM Champion

Chess GM Champion is a complete chess trainer and opponent that lives entirely
on your device. Play against the Stockfish engine — one of the strongest chess
engines in the world — at a difficulty that matches you, then learn from every
move. No sign-up, no ads, no internet required.

PLAY
- Face the Stockfish engine at adjustable difficulty, from relaxed to
grandmaster-level strength.
- Choose your color, time control, board theme, and piece set.
- A clean, fast board with move history and an evaluation bar.

LEARN
- Move-by-move coaching explains ideas and warns you about mistakes as you play.
- Blunder review walks back through your game so you can see where it turned.
- Turn your own mistakes into training with mistake puzzles built from your games.

PUZZLES
- Daily puzzles to keep a streak going.
- Puzzle Rush: solve as many as you can before you run out.

TRACK YOUR PROGRESS
- An estimated Elo rating that moves with your results.
- Rating history graph, win/loss streaks, and game stats.

PRIVATE BY DESIGN
- Works fully offline. The chess engine runs on your device.
- No accounts and no ads.
- No data is collected or transmitted. Everything (ratings, games, puzzle
progress, settings) is stored only on your device.

Chess GM Champion is suitable for all ages and skill levels — from your first
game to serious study. Powered by the open-source Stockfish engine.