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lichess mobile

lichess mobile screenshots

Official lichess.org mobile application for Android & iOS.

  • Play bullet, blitz, classical, and correspondence chess
  • Play in arena tournaments
  • Find, follow, challenge players
  • See your games stats
  • Practice with chess puzzles
  • Many variants, available online and offline: Crazyhouse, Chess 960, King Of The Hill, Three-check, Antichess, Atomic chess, Horde, Racing Kings!
  • Game analysis with local computer evaluation
  • Play against offline computer
  • Over The Board mode to play offline with a friend
  • Standalone chess clock with multiple time settings
  • Board editor
  • Available in 80 languages
  • Designed for both phones and tablets, supporting landscape mode
  • 100% free, without ads, and opensource!

Get it now from lichess.org/mobile

Lichess mobile is written in JavaScript (ES6), with the help of cordova and mithril.js. It uses babel, browserify, gulp and tarifa as build tools. It talks to a native Stockfish interface through a cordova plugin and uses an async chess worker which is based on lichess scalachess module compiled to JavaScript.

Requirements

Android:

  • the android SDK
  • SDK packages API 23
  • last version of Android SDK tools and platform tools
  • android ndk for stockfish compilation
  • make sure the sdk/tools/ directory is in your path, so you can use android command everywhere.

iOS:

  • OS X and Xcode version 7.x

Init project after checkout

$ tarifa check --force

This will recreate the cordova folder with android and iOS platforms and also install plugins.

Build the web application

Make sure you installed all deps:

$ cd project
$ npm install

Then copy project/env.json.example to project/env.json and modify settings to link your app to a lichess server.

To build in dev mode:

$ gulp

To build and watch for changes:

$ gulp watch

To run in a browser it needs to have web security disabled for loading files and make requests to lichess. For mouse interaction you need to use device mode

Launch chrome with disabled security under linux

$ chromium --user-data-dir=$HOME/.chromium_dev_dir --disable-web-security

Launch chrome with disabled security under OSX

$ open -n -a Google\ Chrome --args --disable-web-security --user-data-dir=/Users/myUser/.chrome_dev_dir

Build stockfish

Android

Build the native code using:

ndk-build -C app/platforms/android

iOS

Through XCode, in the build settings menu:

  • Set C++ Language Dialect option to C++11 value.
  • Set C++ Standard Library option to lib++ value.

Build and run on your device

Connect your device with USB debugging enabled and:

$ tarifa run [platform]

This will use the default configuration which use a development lichess server end point.

Please look at tarifa documentation for further documentation.

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  • JavaScript 62.6%
  • TypeScript 23.3%
  • CSS 13.8%
  • Other 0.3%