Chessis: Chess Analysis

Chessis: Chess Analysis is an intelligent analysis tool designed for chess enthusiasts. Powered by the Stockfish engine, it offers in-depth game analysis, blunder detection, and custom position evaluation. With instant feedback and professional insights, it helps players identify weaknesses, enhance tactical skills, and train through built-in AI opponents.

Features of Chessis: Chess Analysis

1. Advanced Game Analysis – Analyze PGN files using Stockfish AI, mark blunders and missed opportunities, and generate detailed reports.
2. Custom Position Evaluation – Set up any position freely to evaluate advantages and disadvantages; ideal for studying openings, middlegames, and endgames.
3. Blunder Alerts with Explanations – Receive real-time alerts for major mistakes, along with explanations and counter-strategy insights.
4. Adaptive AI Opponent – Play against AI with multiple difficulty levels and customizable training scenarios (such as specific openings or endgames).
5. Interactive Learning Mode – “Play-and-learn” mode gives instant feedback on move quality to strengthen tactical awareness.
6. Customizable Analysis Parameters – Adjust calculation depth, speed, and blunder threshold to fit your personal needs.

Advantages of Chessis: Chess Analysis

1. Professional-Level Accuracy – Provides coach-grade evaluations, precisely identifying areas for improvement.
2. Learning-Oriented Insights – Each report includes actionable improvement tips, turning every game into a learning experience.
3. Flexible Training Scenarios – Supports both full-game review and specific position studies for targeted improvement.
4. Offline Functionality – Core analysis features work without an internet connection, saving data usage.
5. Ad-Free Experience (Premium) – Paid version offers a distraction-free, clean training environment.

Disadvantages of Chessis: Chess Analysis

1. PGN-Only Support – Does not accept other file formats; users may need to convert files beforehand.
2. Not Beginner-Friendly – Lacks built-in tutorials, and technical terminology may confuse newcomers.
3. Subscription Restrictions – Advanced features require a paid plan; the free version has limited functionality.

Development Team

Chessis is developed by a team of chess enthusiasts and AI engineers with expertise in both competitive play and machine learning. The team focuses on making professional-grade analysis tools accessible to everyone. They have previously launched several FIDE-certified chess training applications.

Competitive Products

1. Chess.com – Rich in social features but requires payment for in-depth analysis; slower PGN parsing speed.
2. Lichess – Free and open source, yet its AI explanations are brief and lack customizable training scenarios.
3. Chessify – Relies on cloud computing and cannot function offline, whereas Chessis supports local analysis.

Market Performance

Chessis has a 4.6/5 rating on Google Play (based on 12,000 reviews) and averages around 500 downloads per day. Users generally praise its analysis depth, though some mid-range devices may experience heating during long-game evaluations. The recently added “Classic Game Library” feature has boosted its overall rating by 12% within 30 days.