Solve more than 1700000 chess puzzles with wide difficulty range.

Just install and start playing!

All puzzles were generated from top player's games by our unique analysis algorithms. Improve your chess skills on real positions played by great masters. Discover killing tactic moves find sacrifices checkmates and more!

Our features:
- World's biggest chess problems database
- In-app analyze your play with modern engine
- Unique constantly improved content
- Privacy at high level
- No in-app paid content
- No in-app ads
- No limitations of any kind
- User-friendly interface

We support unlimited number of puzzle packs:
- Random for unlimited experience
- Mate in N to practice checkmates
- Difficulty packs - to fit your playing strength
- Opening Endgame - to master different game phase play
- Promotion - decide how and when you promote your pawn
- Closed game - pawn shield limits mobility of pieces
- Grandmasters - puzzles taken from top player games
- Replay failed - learn from your own failed puzzles

Become the chess master of all times!