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Top 23 C++ Chess Projects
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Fairy-Stockfish
chess variant engine supporting Xiangqi, Shogi, Janggi, Makruk, S-Chess, Crazyhouse, Bughouse, and many more
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cutechess
Cute Chess is a graphical user interface, command-line interface and a library for playing chess.
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MicroChess
A full featured chess engine designed to fit in an embedded environment, using less than 2K of RAM!
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I’ve been using hacks to do this for a long time. I wish it was simpler in C++. I love C++ typing but hate the syntax and defaults. It’s so complicated to get started with.
https://github.com/Mk-Chan/libchess/blob/master/internal/Met...
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C++ Chess discussion
C++ Chess related posts
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Zugzwang
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Stockfish removes classical evaluation functions in favor of NNUE only (2023)
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What Is a Centipawn Advantage?
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Building a Chess App: Efficient Real-time Move Validation Using Bitboards in React Native
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A history of AI in four books
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"The Bitter Lesson" is wrong. Well sort of
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♟️ Bringing Chess to Life in Your Browser — Powered by Stockfish and Sass
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A note from our sponsor - SaaSHub
www.saashub.com | 7 Jun 2026
Index
What are some of the best open-source Chess projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | Stockfish | 15,753 |
| 2 | lc0 | 3,112 |
| 3 | Fairy-Stockfish | 848 |
| 4 | cutechess | 771 |
| 5 | stockfish.wasm | 335 |
| 6 | chessx | 191 |
| 7 | chess-library | 175 |
| 8 | Gigantua | 141 |
| 9 | Winter | 95 |
| 10 | 4ku | 65 |
| 11 | Realtime-OpenCV-Chess | 57 |
| 12 | Stockfish | 53 |
| 13 | ocgdb | 43 |
| 14 | Trollfish | 35 |
| 15 | MicroChess | 30 |
| 16 | libchess | 21 |
| 17 | libchess | 16 |
| 18 | codfish | 16 |
| 19 | pawn | 13 |
| 20 | OmegaZero | 9 |
| 21 | Chess | 8 |
| 22 | chess-deep-rl-cpp | 7 |
| 23 | chessdom | 6 |