Stockfish

A free and strong UCI chess engine (by official-stockfish)

Stockfish Alternatives

Similar projects and alternatives to Stockfish

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a better Stockfish alternative or higher similarity.

Stockfish reviews and mentions

Posts with mentions or reviews of Stockfish. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-03-25.
  • Manipulating the Internal World Model of a Chess Playing Language Model
    4 projects | news.ycombinator.com | 25 Mar 2024
    The Stockfish program can be set to play at strength level 0-20. Estimates of the levels' Elo is provided here: https://github.com/official-stockfish/Stockfish/commit/a08b8...
  • A chess terminal user interface implementation
    8 projects | news.ycombinator.com | 5 Dec 2023
    - and handicapped Stockfish (https://stockfishchess.org).

    The whole thing is at https://github.com/magv/bchess, and can be installed with just 'pip install bchess'.

  • posttest-cli beta testers wanted
    3 projects | /r/chessprogramming | 1 Nov 2023
    This was the result searching for all the 35 stockfish benchmark positions to depth 6.
  • Stockfish 16 Released +47 Elo gain over Stockfish 15 (Single threaded, UHO)
    5 projects | /r/chess | 30 Jun 2023
    https://github.com/official-stockfish/Stockfish/releases/tag/sf_16 link to the binary's
    5 projects | /r/chess | 30 Jun 2023
    If you use ChessBase on a MacBook through Parallels, there's an issue where people have posted Apple Silicon compiles for Windows: https://github.com/official-stockfish/Stockfish/issues/4241
    5 projects | /r/chess | 30 Jun 2023
    no realistic time controls, especially since stockish is mostly optimized for 60+0.6 and beyond. Anything lower you are basically playing out of sf optimum since a lot of things actually perform well at 60+0.6 but bad at 10+0.1, like this one - https://github.com/official-stockfish/Stockfish/commit/84b1940fcae95bb0a641dda9e85cb96f8c21cd22 . So sf at smth like 1 second/game or maybe lower is somewhere near supergm level but it's pretty meaningless since it more or less bugs out there because of complete missoptimization of it search (and net also, for this TCs I would pick really really small net compared to master one).
    5 projects | /r/chess | 30 Jun 2023
    There isn't an Apple Silicon binary in the official releases as of now, you can either use the x86-64-modern version for a slightly degraded performance, or manually compile from source (https://github.com/official-stockfish/Stockfish/wiki/Compiling-from-source).
    5 projects | /r/chess | 30 Jun 2023
  • Stockfish 16 is ready!
    2 projects | /r/chess | 26 Jun 2023
    Progress can be found here https://github.com/official-stockfish/Stockfish/wiki/Regression-Tests At 1 thread it has gained +18.3 elo on a balanced book, and +47.03 on UHO (unbalanced) book as well as +39.4 elo for FRC and +65.56 for DFRC. At 8 threads it has gained +14.33 elo on a balanced book and +49.46 on UHO (unbalanced book). Also testing was done on 8 threads with 180+1.8 (this is considered very long time control for fishtest standards) and progress was +9.45 on balanced book and +49.65 on UHO.
    2 projects | /r/chess | 26 Jun 2023
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    www.influxdata.com | 28 Mar 2024
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Stats

Basic Stockfish repo stats
150
10,345
9.6
6 days ago
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