Lina Chess:Offline AI & Puzzle

* 7 New Languages
German, Russian, French, Spanish, Japanese, Chinese, and Portuguese now supported.

LINA CHESS - Offline Professional Chess Analysis & Training

Elevate your strategic understanding with LINA CHESS, a comprehensive chess utility powered by the world-renowned Stockfish engine. Designed for players who demand precision, our app combines real-time position analysis, rigorous tactical training, and detailed game reviewing into one sophisticated experience.


CORE FEATURES

1. Professional Engine Analysis
• Evaluation Bar: Visualize the advantage with precise centipawn scores and mate-in-x calculations.
• Best Move Indicators: Green arrows highlight optimal continuations, while red arrows display anticipated opponent responses.
• Multi-Line Support: View up to three top engine lines simultaneously to compare candidate moves.

2. Revolutionary Play Against AI (NEW)
• In-Game Mode Switching: Seamlessly hand over the board to the AI during a local match, or switch back to human-vs-human anytime.
• Customizable Engine: Select AI difficulty levels and customize the search depth based on your device's specifications.

3. Opening Master & FSRS Quizzes (NEW)
Comprehensive Guides: Learn the strategic reasoning and alternative variations behind major openings.
FSRS Spaced Repetition: Similar to Anki, the system tracks your mistakes and schedules smart reviews for long-term retention.

4. Advanced Move Quality Assessment
• Real-Time Advantage Graph (NEW): Visualize the flow of the game and pinpoint critical blunders at a glance.
• Resume from Any Move (NEW): Pick any position during your review and instantly play it out against the AI.
• Brilliant, Great, and Best moves for optimal play.
• Excellent and Good moves for solid positional maintenance.
• Inaccuracy, Mistake, Miss, and Blunder alerts to help you identify and correct errors.

5. Tactical Puzzle Training
• Adaptive Difficulty: Filter puzzles by rating range (800 to 3000+) to suit your proficiency.
• Thematic Filters: Focus your training on specific tactical motifs such as Forks, Pins, Skewers, Back Rank Mates, and Discovered Attacks.
• Performance Tracking: Monitor your solving history and rating progression over time.

6. Opening Master & Quiz Training
• Comprehensive Opening Guides: Master key chess openings with detailed explanations for every stage of the game.
• Deep Move Analysis & Alternatives: Learn the strategic reasoning behind each specific move along with powerful alternative variations to stay adaptable.
• Move-by-Move Quizzes: Reinforce your knowledge with targeted quizzes for every single move within the openings to eliminate mistakes in real matches.

7. Game Review & Management
• Automatic PGN Saving: All games are archived locally with full move history.
• Performance Statistics: Review accuracy percentages and mistake counts for both players.
• Opening Detection: Automatically identifies and displays the names of played openings and variations.
• Replay Mode: Navigate through past games move-by-move to analyze critical moments.

8. Integrated Chess Clock
• Standard Presets: Bullet, Blitz, Rapid, and Classical time controls.
• Custom Settings: Configurable time limits and increment options.
• Haptic Feedback: Tactile confirmation for move completion.

9. Customization & Design
• Visual Themes: Multiple board colors and piece sets to personalize your environment.
• Responsive Layout: Optimized interfaces for both Portrait and Landscape orientations.
• Analysis Control: Toggle engine lines, coordinates, and evaluation bars to switch between playing and learning modes.

10. Privacy & Offline Functionality
• Offline First: The engine runs locally on your device, requiring no internet connection for analysis or play.
• Private & Secure: All game data and history are stored securely on your device. No account creation is required.

Download today and experience the ultimate mobile chess companion.