Chess Analyzer Pro icon
Chess Analyzer Pro icon

Chess Analyzer Pro

Free, open-source chess game analysis tool built with PyQt5 and Stockfish - a powerful desktop alternative to Chess.com's analysis engine for reviewing games and exploring moves.

Analysis page with move list, status message, eval bar, board with classification and live engine

Cost / License

  • Free
  • Open Source (MIT)

Platforms

  • Mac
  • Windows
  • Linux
History page with filter options, game list
Stats Pages with stats calculated from analyzed games
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settings tab
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Games, Gaming Software

GitHub repository

  •  12 Stars
  •  2 Forks
  •  0 Open Issues
  •   Updated  
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Chess Analyzer Pro was added to AlternativeTo by Utkarsh Tiwari on and this page was last updated .
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What is Chess Analyzer Pro?

Chess Analyzer Pro is a free, open-source, local-first desktop application for reviewing and analyzing chess games. Powered by the Stockfish engine, it provides comprehensive game reviews, move quality classifications, opening tree exploration, and performance statistics—running 100% locally on your computer with complete privacy.

Key Features:

  • Offline Stockfish 17 Engine: Move-by-move calculations with configurable depth, CPU threads, and hash memory. Runs entirely offline on your local hardware.
  • Chess.com & Lichess Import: Fetch your recent games directly via public username lookup, paste PGN game links, or load local .pgn files.
  • Game Review & Accuracy Scores: Calculates move classifications (Brilliant, Great, Best, Inaccuracy, Mistake, Blunder) and overall accuracy percentage without paying for premium subscriptions.
  • Opening Explorer: Browse positions using Polyglot opening books (.bin) with live evaluation graphs and frequency statistics.
  • Local SQLite Database: Automatically saves your games and performance metrics locally on your disk. No account creation, cloud uploads, or tracking.
  • Cross-Platform: Available as precompiled binaries for Windows (64-bit), macOS (Intel/Apple Silicon), and Linux (AppImage).

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