Chessis is a powerful mobile application designed for chess enthusiasts seeking to improve their gameplay through detailed analysis. This app enables users to examine their games, identify critical errors, and receive actionable feedback using advanced chess engines. Chessis serves as both a training partner and a post-game analysis tool, making it invaluable for players at various skill levels.
Key Features of Chessis
- Game Analysis with Stockfish Engine: Chessis leverages the renowned Stockfish engine to evaluate positions, detect blunders, and suggest optimal moves.
- Customizable Reports: Generate in-depth game reports that highlight mistakes, missed wins, and accuracy percentages.
- PGN File Support: Import and review games from platforms like Chess.com or Lichess using the integrated PGN viewer.
- Board Editor: Set up custom positions for analysis or practice-specific scenarios.
- Threat Visualization: Display potential threats and tactical opportunities on the board with visual arrows and indicators.
- Engine Customization: Adjust engine parameters such as thread count and hash size for tailored analysis depth.
- Opening Database: Access a comprehensive list of chess openings for study and reference.
- Chess960 Support: Analyze and play Fischer Random Chess (Chess960) variants.
- Pro Version Benefits: Unlock deeper analysis, ad-free experience, unlimited engine lines, and mistake alerts during gameplay.

Why Choose Chessis?
Chessis stands out for its precision and educational approach to chess analysis. Unlike basic tools, it explains why moves are flawed, helping users understand strategic principles rather than merely reviewing errors. The app’s flexibility—supporting everything from casual game reviews to deep positional analysis—makes it suitable for beginners and advanced players alike. With seamless integration of professional-grade features, Chessis transforms complex data into accessible insights.

How to Download Chessis
Chessis is available for download on the Google Play Store. To install, search for "Chessis" in the store, select the app, and click "Install." Ensure your device meets the system requirements for optimal performance. The free version offers robust functionality, while the Pro upgrade is available via in-app purchase through Google Play billing.

Overview of the Latest Version’s New Features
The latest update to Chessis enhances engine stability and introduces improved threat visualization tools. Users can now customize report depths more granularly and enjoy faster analysis speeds due to optimized resource allocation. The UI has also been refined for smoother navigation during game reviews.

Tips for Using Chessis
1. Start with Quick Analysis: Use the default settings to quickly identify major blunders after games.
2. Leverage Customization: Adjust engine depth and threads for complex positions requiring deeper scrutiny.
3. Review Threat Displays: Pay attention to visualized threats to recognize tactical patterns in future games.
4. Utilize the Board Editor: Practice endgames or openings by setting up specific positions for analysis.
5. Export Annotated PGNs: Save analyzed games to track progress over time.
User Review
Users consistently praise Chessis for its depth and clarity, noting that it surpasses many desktop tools in functionality. The accuracy of its analysis and the educational value of its feedback are frequently highlighted. Some users mention a learning curve in navigating advanced features but emphasize that the Pro upgrade is worthwhile for serious players. The seamless restoration of purchases via Google Play accounts is also appreciated for convenience.