Top 23 C++ Chess Projects

• Stockfish

  150 10,528 9.6 C++

  A free and strong UCI chess engine

  

Project mention: Manipulating the Internal World Model of a Chess Playing Language Model | news.ycombinator.com | 2024-03-25

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...

• Fairy-Stockfish

  19 565 7.9 C++

  chess variant engine supporting Xiangqi, Shogi, Janggi, Makruk, S-Chess, Crazyhouse, Bughouse, and many more

  

• InfluxDB

  www.influxdata.com featured

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• cutechess

  9 565 6.3 C++

  Cute Chess is a graphical user interface, command-line interface and a library for playing chess.

  

Project mention: I wrote a very basic python code chess engine (it makes random moves only), but I'm having issues with it getting "Stuck" on moves in Banksiagui after a few moves, but when playing a computer in Banksiagui it has no issues, and with CuteChess it never has any issues playing a computer or a person. | /r/ComputerChess | 2023-11-04

So I've uploaded my code to github (https://github.com/Tyler-Jay-Stevahn/Chess-Engines/), and for a more specific version of the GUI's I am using Cutechess (https://github.com/cutechess/cutechess/releases/tag/v1.3.1) and Banksiagui (https://banksiagui.com/download/) Version 0.58 for Windows. I am using Pyinstaller to make the python file into an exe file as well.

• nnue-pytorch

  14 284 6.3 C++

  Stockfish NNUE (Chess evaluation) trainer in Pytorch

  

Project mention: Are Super-GMs far more cautious in opening choice than they were even ten years ago? | /r/chess | 2023-06-05

There's extremely detailed information on how Stockfish's neural network evaluation works, but none of this will tell you the why of why the engines' assessment changed: https://github.com/glinscott/nnue-pytorch/blob/master/docs/nnue.md

• stockfish.wasm

  4 245 0.7 C++

  WebAssembly port of the strong chess engine Stockfish

  

• chessx

  1 119 6.6 C++

  Sources of the official ChessX version.

• Gigantua

  3 105 0.0 C++

  Gigantua: Single Threaded - 2 Billion Moves/s Chess position enumerator

• SaaSHub

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• Winter

  1 72 7.5 C++

  UCI Chess Engine (by rosenthj)

• chess-library

  1 54 9.2 C++

  C++ chess library

• 4ku

  1 51 8.0 C++

  A UCI compatible chess engine that fits into 4,096 bytes.

• Realtime-OpenCV-Chess

  2 36 0.0 C++

  ♔ Chess-playing with Open-CV [Human vs AI (Stockfish engine)]

• Stockfish

  2 36 3.0 C++

  The Stockfish Chess Engine for Flutter. (by ArjanAswal)

Project mention: How to integrate Stockfish chess engine into React Native app (for both Android and iOS) | /r/reactnative | 2023-05-30

I did a quick POC with Flutter as there is a Stockfish lib that works with iOS and Android. It worked very smoothly! A pity I am not familiar with Flutter!

• Trollfish

  1 29 3.5 C++

  the most powerful chess engine that wants to draw with you

Project mention: Trollfish – Chess Engine Prioritizing Draws | news.ycombinator.com | 2024-04-17

• libchess

  1 18 3.9 C++

  C++ chess library

• codfish

  2 11 1.5 C++

  UCI Compliant Chess Engine

• pawn

  1 10 7.6 C++

  An experimental UCI chess engine

• OmegaZero

  1 9 0.0 C++

  A chess AI.

• MicroChess

  4 9 8.3 C++

  A chess engine designed to fit in an embedded environment, using less than 2K of RAM!

Project mention: MicroChess updated for Uno R4 Minima Compataibility | /r/arduino | 2023-05-26

I'm pleased to announce that the MicroChess project has been updated and tested with the new Arduino Uno R4 Minima using the Renesas processor!

• Horowitz

  1 8 3.0 C++

  UCI-compatible chess engine.

• chessCAMO

  1 5 0.0 C++

  chessCAMO is a newly proposed chess engine with a built-in variant that stands for Calculations Always Make Opportunities and was inspired by the very popular chess variant Crazyhouse. The "CAMO" portion comes from the idea that in this variant a player can sacrifice making a move to replace one of their pieces from the "piece reservoir".

• chessplusplus

  1 2 0.0 C++

  An implementation of standard Chess in C++ using SFML.

• wisdom-chess

  1 2 9.2 C++

  Simple multiplatform C++ chess program.

• chess-deep-rl-cpp

  1 2 0.0 C++

  C++ version of my chess-deep-rl project. WIP

• SaaSHub

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C++ Chess related posts

• I wrote a very basic python code chess engine (it makes random moves only), but I'm having issues with it getting "Stuck" on moves in Banksiagui after a few moves, but when playing a computer in Banksiagui it has no issues, and with CuteChess it never has any issues playing a computer or a person.

  2 projects | /r/ComputerChess | 4 Nov 2023

• Are Super-GMs far more cautious in opening choice than they were even ten years ago?

  1 project | /r/chess | 5 Jun 2023

• How to integrate Stockfish chess engine into React Native app (for both Android and iOS)

  4 projects | /r/reactnative | 30 May 2023

• Stockfish for analysing variants on

  2 projects | /r/chess | 17 Jan 2023

• If white flagged black would this be a draw or win because there’s no checkmate possible

  2 projects | /r/chess | 7 Jan 2023

• I've developed ChessMonitor.com: a website to show chess analytics. Here is an example for Eric Rosen. Connect to Lichess/Chess.com to get your own stats (link in comments)

  3 projects | /r/chess | 5 Jan 2023

• Why are people using bitboards for chess input?

  1 project | /r/reinforcementlearning | 6 Dec 2022
• A note from our sponsor - SaaSHub
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