Publieke GitHub-voetafdruk van Lichess

♞ lichess.org: the forever free, adless and open source chess server ♞

Lichess mobile app

lichess.org former mobile application / new one -> github.com/lichess-org/mobile

Mobile/Web chess UI for lichess.org

Distributed Stockfish analysis for lichess.org

Chess API written in scala. Immutable and free of side effects.

Lichess API documentation and examples

An aggregated data set of chess opening names

WebAssembly port of the strong chess engine Stockfish

The strong open source chess engine Stockfish compiled to JavaScript and WebAssembly using Emscripten

Lichess' websocket server

Python client for the lichess API

Opening explorer for lichess.org that can handle all the variants and trillions of unique positions

PGN viewer widget

Lichess local development using Docker Compose.

Chess clock and move compression algorithms for lichess.org

Webservice to render Gifs of chess positions and games, and stream them frame by frame

Public exports of all rated games, puzzles, and computer evaluations.

Tablebase server

Using engines running outside of the browser on https://lichess.org/analysis

Chessboard package for flutter

Client-side app using various Lichess APIs for demonstration purpose

Machine learning tool aimed at automating cheat detection using insights data.

Usage examples for chessground

Keep elasticsearch threads out of your web facing app, kids

Lichess development environment

Dart chess library for native platforms

Proxy between lila and fishnet move clients

Handle some https://lichess.org/tournament load

Papers that use Lichess data, study Lichess, or cite Lichess

A home for stockfish wasms - because we care

Zulip bot that posts messages in a stream at a fixed date.

Sample database data for lila development

Broadcast your chess games on Lichess!

some web UIs on top of the Lichess API

Follow ban logs to manage ip sets in nftables

Misc scala utilities shared by the lichess.org scala projects.

Merge, filter, tweak and expose PGN sources

Web push microservice for lichess.org

Broker for communication between external engine providers and clients

Webservice to query an IP2Proxy BIN database

Public downloads

Script that creates regular swiss tournaments for a team.

Multiple flavors of Stockfish Chess Engine

Play Framework

The Stockfish Chess Engine for dart/Flutter.

distributing lichess jars

Flutter plugin to play short sounds with low latency

Zulip server and web app—powerful open source team chat - slightly hacked by and for lichess.org

deepquluru

large assets used by lila in production but optional for dev builds

Multi-purpose Zulip bot for the Lichess workspace

Webservice to query https://haveibeenpwned.com/ database dumps

WebAssembly port of the strong chess engine Stockfish with NNUE support

List of open source communities living on Discord

Probe Marc Bourzutschky's partial 8-piece tablebase, op1

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Docker image for an environment that can produce fully static Stockfish builds

type-level map in Scala3, using macros

An image resizing server written in Go

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A flexible chessboard widget for Flutter

Soundpool plugin for Flutter

CRUD service for email templates, with an edit UI

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lc0

A speech recognition library running in the browser thanks to a WebAssembly build of Vosk

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Our nginx docker build

Rust bindings and abstraction for libnftnl, low-level userspace access to the in-kernel nf_tables subsystem

NNUE files built into https://github.com/lichess-org/fishnet

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ConfigLoader generator for Play Framework 2.6+

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