01
Engine analysis
Go beyond the best move to understand why it works.
Stockfish 16 evaluates the position and candidate moves in real time. Learn the nine grades from Brilliant to Blunder, then connect opening ideas to concrete lines.
All apps
Game
iOS · Android
Lina Chess
An offline chess lab that explains every move
Run Stockfish analysis, solve more than 50,000 tactical puzzles, study openings and review complete games, all on-device.
Free download code for students50K+
Puzzles
9
Move grades
100%
Offline
Screen story
10 SCENES
Read what the app does, screen by screen.
Real App Store scenes are sequenced around the feature and its context. Each image is captioned with the role of the screen in view.
02
Review and training
Record the mistake, then turn it into the next puzzle.
Summarize accuracy and move grades after a game, then repeat patterns across more than fifty thousand tactical puzzles. Filter by theme and rating to target recurring weaknesses.
03
Your chess environment
Keep games, clock and board in one complete toolkit.
Reopen automatically saved PGN games, use tournament-style clocks for offline play, and customize the board, pieces, coordinates and analysis arrows to fit your study.
Made for
People with a particular need.
01
Beginners learning tactical fundamentals
02
Club players reducing blunders and opening gaps
03
Advanced players who need deep engine analysis
Privacy & note
The engine and game analysis run offline, with no account or personal-data collection required.
FAQ
Asked before downloading.
- Size
- 140 MB
- Age rating
- 4+
- Minimum iOS
- 15.6
Does it need an internet connection?
The engine and game analysis run fully offline, with no account or personal-data collection.
Which engine powers the analysis?
Stockfish, surfaced through an evaluation bar, best-move and threat arrows and up to three candidate lines.
Can I target specific weaknesses in puzzles?
Filter more than 50,000 puzzles by rating and motifs such as pins, forks and skewers.
Get the app
An offline chess lab that explains every move
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