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Patzer

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Self-hosted Chess.com alternative in one Docker container: import your Chess.com games (or play in the browser) and get a full Game Review from the bundled Stockfish — Brilliant-to-Blunder move classifications, accuracy, estimated Elo, eval graph.

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Cost / License

  • Free
  • Open Source (MIT)

Since

  • New

Updated

  • Updated Sep 2026

Platforms

  • Self-Hosted
  • Docker
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GitHub repository

  •  9 Stars
  •  7 Forks
  •  10 Open Issues
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Patzer was added to AlternativeTo by SikamikanikoBG on and this page was last updated .

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What is Patzer?

Self-hosted Chess.com alternative in one Docker container: import your Chess.com games (or play in the browser) and get a full Game Review from the bundled Stockfish — Brilliant-to-Blunder move classifications, accuracy, estimated Elo, eval graph. The AI coach that narrates it runs on your own Ollama or vLLM host, so nothing leaves your network. Also: seven bot tiers, live games against people on your server, multi-user with a kid mode, EN/BG/ES. MIT, no telemetry.