Showing 35 open source projects for "search engine code"

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  • 1
    Stockfish

    Stockfish

    UCI chess engine

    ...Stockfish is a 11-time winner of the Top Chess Engine Championship. Stockfish is open source (GPLv3 license). That means you can read the code, modify it, and contribute back. You can use Stockfish on your computer or on your iOS or Android device. So you can get world-class chess analysis, wherever you are. The Stockfish engine features two evaluation functions for chess, the classical evaluation based on handcrafted terms, and the NNUE evaluation based on efficiently updatable neural networks.
    Downloads: 123 This Week
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  • 2
    AlphaZero.jl

    AlphaZero.jl

    A generic, simple and fast implementation of Deepmind's AlphaZero

    Beyond its much publicized success in attaining superhuman level at games such as Chess and Go, DeepMind's AlphaZero algorithm illustrates a more general methodology of combining learning and search to explore large combinatorial spaces effectively. We believe that this methodology can have exciting applications in many different research areas. Because AlphaZero is resource-hungry, successful open-source implementations (such as Leela Zero) are written in low-level languages (such as C++)...
    Downloads: 25 This Week
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  • 3
    Chess Engines for Android

    Chess Engines for Android

    Portable UCI- and XBoard-compatible chess engines.

    ...Every zip archive contains a readme file with further information (e. g. link to the source code). Chess engines are located in the libs directory and are available for arm64-v8.2a-dotprod, arm64-v8a, armeabi-v7a, x86 and x86_64 based devices. If a chess engine supports NNUE (Neural Network Updated Efficiently) technology and the network is not embedded in the binary, you will find the missing network file in the networks directory.
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    Downloads: 308 This Week
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  • 4
    SCID Recast

    SCID Recast

    The SCID 5 format in a clean, deterministic, modular architecture

    ...It preserves compatibility with existing si5 databases while restructuring the core into a clean, modular C library (libscidcore) with well‑defined boundaries for database, game model, search, engine integration, and metadata. The project emphasizes reproducibility, explicit invariants, a clear error model, and a stable foundation for supporting archival workflows and future tooling.
    Downloads: 2 This Week
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  • 5
    ChessForge

    ChessForge

    Chess analysis, training and testing for Windows.

    ...Use Chess Forge to build your opening repertoire, study endgames, strategy and tactics. Utilize the two distinct solving modes and also Chess Forge's unique Training Mode where you get tested against the workbook's content with the help of the engine. Note: the current version (1.14.3) addresses lichess's breaking change https://lichess.org/@/thibault/blog/the-opening-explorer-now-requires-authentication/FSWh9Zg3. ). Installation info: https://github.com/czbar/ChessForge/wiki/Installation PDF Manual: https://sourceforge.net/projects/chessforge/files/ChessForge_Manual.pdf/download (35MB due to numerous screenshots) Web Site : https://mindrose.com.au Contact: https://mindrose.com.au/feedback.html Source Code: https://github.com/czbar/ChessForge New in v.1.14.0-3 (February/March 2026): https://github.com/czbar/ChessForge/wiki/Release-History
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    Downloads: 177 This Week
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  • 6
    ChessX

    ChessX

    Chess Database and PGN viewer

    A free and open source chess database application for Linux, Mac OS X and Windows.
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    Downloads: 470 This Week
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  • 7
    Chess Tools for Android

    Chess Tools for Android

    Scripts and tools for building and testing chess engines.

    Open source scripts and tools for Android. Every zip archive contains a readme file with further information (e. g. link to the source code). Chess tools are located in the libs directory and are available for arm64-v8a, armeabi-v7a, x86 and x86_64 based devices. CECSA (Chess Engine Compiler Script for Android) and CETSA (Chess Engine Tournament Script for Android) are scripts for Termux. They need to be extracted in the home directory of Termux. There is also an installation script for CECSA (cecsa.sh) that can be used to install a complete compilation environment with all necessary compilers, tools and libraries under Termux. ...
    Downloads: 20 This Week
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  • 8
    Delphi : VRCalc++ and more Binary Exec

    Delphi : VRCalc++ and more Binary Exec

    Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)

    Vincent Radio {Adrix.NT} Embarcadero : Delphi : Executable Binaries Delphi : VRCalc++ Object Oriented Scripting Language : Engine + Ext Libraries VRCalc++ OOSL Visual Stage Project : VCL & FMX (FireMonkey) VRCalc++ Script Executor: - VCL Console - Terminal Console - FMX Console + VRCalc++ OOSL : VR System Scripted Standard Runtime Library Delphi Applics - VR Multi Editor : Smart Text Editor - VR Lazy Code Editor : Smart RTF Multi Lang Code Text Editor - VR Astro Vision : Astrology Program - VR Free Chess 2D : Chess Game Program - VR Mosaic : Puzzle Resolver Program (VCL, FMX) - VR Blocks game - VRGraphStage - VR TTT OX game - Embarcadero Binary Runtime Libraries - VR Binary Runtime Libraries for Delphi & C++Builder - Visual Styles Java Applications - Analog Clock - VR Hanoi Towers - VR Rects World Sample - VR Free Chess 2D - VR Mosaic with auto resolver - Action/Entity Model Test includes installation instructions adrixnt@hotmail.it
    Downloads: 2 This Week
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  • 9
    Nimzo-3d-Chess-GUI

    Nimzo-3d-Chess-GUI

    A free Chess program for Windows with a large set of features

    The Nimzo_3d GUI is a chess program for Windows 7 - 11 It is an enhanced version of the Tarrasch Chess GUI written by Mr Bill Forster, with many additional features. It has a simple, easy to use interface, so it is ideal for novice players or inexperienced computer users. It also has more advanced features for expert users. So if you just want a casual blitz game against the computer, or to automatically analyse one of the famous games from chess history, it can perform these...
    Downloads: 8 This Week
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  • 10
    Demli Tavla

    Demli Tavla

    Turkish Traditional Backgammon Game

    ...The files "mirkelam_tavla.mp3" and "mirkelam_win.mp3," converted from MIDI files, are processed fake versions of clipped audio from the song "Tavla (backgammon)" by Turkish pop artist Mirkelam. The game mimics the traditional backgammon game. The game engine consists of a main Python code (tavla.py) and two auxiliary AI files. These AI files are essentially simple Python scripts containing decision-making mechanisms. They can roll dice and randomly decide what to do by determining the positions of the pieces. Then they make their moves. This program was completed through human effort and artificial intelligence support. ...
    Downloads: 0 This Week
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  • 11
    lichess.org

    lichess.org

    The forever free, ad-free and open source chess server

    ...It’s where countless chess players and chess enthusiasts can gather and watch or play from a selection of over a million games every day, analyze games, learn and improve their playing. lichess is equipped with a search engine, computer analysis, tournaments, exhibitions, a mobile app, a shared analysis board, and so much more. Thanks to its large active community, the UI is available in more than 130 different languages. lichess is one of the most popular chess websites in the world and remains totally free and ad-free. Visit https://lichess.org today to know more and see what it’s about!
    Downloads: 28 This Week
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  • 12

    RelaxChess

    RelaxChess, chess game that makes no search futher needed for a wow

    Demo version of RelaXChess game, You can play against own written wow chess engine, or other users, rewind games forward and backward, easily restart again or if needed replay the game on demand. Attractive user interface and effects. If You like to You can see other games being played, windows, android
    Downloads: 0 This Week
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  • 13
    ChessShell for PC/Mac/Linux

    ChessShell for PC/Mac/Linux

    Chess Database application

    A GUI frontend for the ChessShell API
    Downloads: 0 This Week
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  • 14
    ChessShell API

    ChessShell API

    Extensive Java chess database libraries.

    Extensive Java chess database libraries. Native game database, native position database, pgn database reader.
    Downloads: 0 This Week
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  • 15
    Super Micro Chess

    Super Micro Chess

    The world's smallest chess playing program just got smaller!

    Super Micro chess engines are a series of world record small source and executables programs able to play the famous "King's Game" (both with simplified and full FIDE support)! Please refer to the official home page for more details: http://smmax.sf.net.
    Downloads: 0 This Week
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  • 16

    Vrigazov Chess Engine

    Chess engine, currently in development

    Basic chess engine with implemented rules and DFS search in the graph of positions.
    Downloads: 0 This Week
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  • 17
    Conqueror Chess Engine

    Conqueror Chess Engine

    A powerful chess engine written in C++

    A powerful chess engine written in C++. It currently implements hybrid board representation, alphabeta pruning, quiescence search, static evaluation, legal move generator, iterative deepening, MVV/LVA move reordering, makemove, unmakemove and uci move representation standard, tapered evaluation. Elostat gives the current version an ELO of 2100 measured over 50 games.
    Downloads: 1 This Week
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  • 18

    Frinker Chess

    A chess engine in C# using bitboards

    Frinker is a chess engine written in C#. It uses bitboards as its board representation. Also contains a simple user interface to play against the engine.
    Downloads: 0 This Week
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  • 19

    Cave Chess

    A Java chess engine using xboard protocol

    Downloads: 0 This Week
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  • 20
    wowchess

    wowchess

    Version 1.2

    Easy playing java chess game, You can play against own written wow chess engine, or other users, rewind games forward and backward, easily restart again or if needed replay the game on demand. Attractive user interface and effects. If You like to You can see other games being played, linux,win
    Downloads: 0 This Week
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  • 21
    Chess engine code name "Gull"
    Downloads: 10 This Week
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  • 22
    yacen

    yacen

    Yet Another Chess ENgine

    IMPORTANT: I renamed the project to cengix (chess engine no. x). See http://code.google.com/p/cengix. IMPORTANT: yacen is not in any way related to the YACE chess engine. The similar name was a mistake. To avoid confusion, I will rename my project soon and provide a link to the new site then. yacen is a simple chess engine with main focus on understandability of code and mechanisms rather than on pure performance.
    Downloads: 0 This Week
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  • 23

    Kenny

    "Kenny" is an XBoard/WinBoard chess engine based on "Winglet"

    Kenny is a Winboard/XBoard chess engine based on Winglet (http://www.sluijten.com/winglet/source/index.htm), an open source chess program. Winglet's full source code can be obtained from Winglet. Kenny is an advanced form of Winglet which plays better at some faster time levels like blitz chess or upto 20 minute games, but almost always loses against Winglet when the time controls are 40 minutes or more for each.
    Downloads: 3 This Week
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  • 24
    Mediocre is a Java-based chess engine, implementing features like LMR, SEE, history and killer moves heuristics, transposition tables, internal iterative deepening, PVS search etc.
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    Downloads: 8 This Week
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  • 25

    Anni#

    Anni is on free open-source C# UCI bitboard chess engine

    Anni is on free open-source C# UCI bitboard chess engine. Now it is half-blank, but it definetely will implement: Alpha-beta PVS search, Bitboard chess representation, Null move
    Downloads: 0 This Week
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