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lichess-org

33 indexed repositories · View on GitHub

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

Scala · 18744 stars
mobile
Lichess mobile app

Dart · 2549 stars
chessground
Mobile/Web chess UI for lichess.org

TypeScript · 1371 stars
fishnet
Distributed Stockfish analysis for lichess.org

Rust · 934 stars
scalachess
Chess API written in scala. Immutable and free of side effects.

Scala · 784 stars
api
Lichess API documentation and examples

TypeScript · 597 stars
chess-openings
An aggregated data set of chess opening names

Python · 561 stars
stockfish.wasm
WebAssembly port of the strong chess engine Stockfish

C++ · 344 stars
stockfish.js
The strong open source chess engine Stockfish compiled to JavaScript and WebAssembly using Emscripten

C++ · 258 stars
lila-ws
Lichess' websocket server

Scala · 183 stars
berserk
Python client for the lichess API

Python · 163 stars
lila-openingexplorer
Opening explorer for lichess.org that can handle all the variants and trillions of unique positions

Rust · 154 stars
pgn-viewer
PGN viewer widget

TypeScript · 153 stars
lila-docker
Lichess local development using Docker Compose.

Rust · 129 stars
database
Public exports of all rated games, puzzles, and computer evaluations.

Scala · 120 stars
compression
Chess clock and move compression algorithms for lichess.org

Scala · 119 stars
lila-gif
Webservice to render Gifs of chess positions and games, and stream them frame by frame

Rust · 116 stars
external-engine
Using engines running outside of the browser on https://lichess.org/analysis

Python · 94 stars
flutter-chessground
Chessboard package for flutter

Dart · 88 stars
kaladin
Machine learning tool aimed at automating cheat detection using insights data.

PureBasic · 64 stars
13 more repositories live on View on GitHub

Beginner friendly Everything

Open All

Outside board coordinates are overridden by eval gauge Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

lichess-org/lila#21713 · 1 comment · Opened Sep 18, 2026
Undo does not restore clock time in offline game vs engine Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

lichess-org/mobile#3697 · Opened Sep 18, 2026
For computer, can we retain time control settings Open

Difficulty 3/5 1-2 days Newbie friendliness 66/100

lichess-org/mobile#3695 · Opened Sep 17, 2026
Preserve friends screen sort Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

lichess-org/mobile#3694 · 1 comment · Opened Sep 17, 2026
Feature request: Multilingual AI-generated game analysis (open to help build) Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

lichess-org/lila#21696 · 3 comments · 5 reactions · Opened Sep 16, 2026
Feature request: Allow Cloud Eval to be shown before manually starting an external engine Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

lichess-org/lila#21694 · 1 comment · Opened Sep 16, 2026
Proposal: New Endgame Training Mode “Endgame Rush” Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

lichess-org/lila#21692 · 2 comments · Opened Sep 15, 2026
Missing lila piece sets Open

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

lichess-org/flutter-chessground#106 · Opened Sep 15, 2026
Bug: "New Opponent" uses stale rating range after a rating change Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

lichess-org/mobile#3679 · Opened Sep 15, 2026
Game clock overlaps the header menu Open

Difficulty 1/5 Under an hour Newbie friendliness 76/100

lichess-org/lila#21682 · 1 comment · Opened Sep 14, 2026
In lobby view (graph) control buttons may hide some challenges Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

lichess-org/lila#21676 · 1 reaction · Opened Sep 14, 2026
feat: add a reporting API so the mobile app can be used to report Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

lichess-org/api#673 · Opened Sep 13, 2026
Untranslated strings (starting with the blog area) Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

lichess-org/lila#21666 · 6 comments · Opened Sep 13, 2026
Apply promote settings in Puzzle Racer not only in normal games Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

lichess-org/lila#21651 · 1 comment · Opened Sep 12, 2026
Upgrade WebSockets to WebTransport Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

lichess-org/lila-ws#923 · 2 comments · Opened Sep 10, 2026
Home widget settings show unlabeled checkboxes when Performance Cards or Recent Games are empty Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

lichess-org/mobile#3650 · Opened Sep 9, 2026
Feature request: allow board rotation in Daily Puzzle and Streak Puzzle on Android Open

Difficulty 3/5 1-2 days Newbie friendliness 64/100

lichess-org/mobile#3648 · Opened Sep 6, 2026
attempting to remove a external engine removes previously selected one Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

lichess-org/lila#21523 · Opened Sep 4, 2026
Piece moving and Screen-swipe merging on File A. Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

lichess-org/mobile#3634 · Opened Sep 3, 2026
enhancement on About page Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

lichess-org/mobile#3633 · 3 comments · Opened Sep 2, 2026
Persian localization quality issue Open

i18n

Difficulty 4/5 3-5 days Newbie friendliness 35/100

lichess-org/lila#21467 · 2 comments · Opened Aug 31, 2026
(Bugs/missing features) in new mobile app Open

Difficulty 4/5 3-5 days Newbie friendliness 50/100

lichess-org/mobile#3628 · 2 comments · Opened Aug 31, 2026
Getting moved to front of game when observing Open

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

lichess-org/mobile#3626 · Opened Aug 31, 2026
Missing german translations in IOS App Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

lichess-org/mobile#3619 · 1 comment · Opened Aug 28, 2026
Move to Speech for Mobile App Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

lichess-org/mobile#3618 · Opened Aug 28, 2026
Lichess Classes disappearing from teacher account Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

lichess-org/lila#21420 · 7 comments · Opened Aug 27, 2026
Feature request: Allow to widen the layout so that move list is more readable. Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

lichess-org/lila#21411 · 1 comment · 1 reaction · Opened Aug 26, 2026
Stale promotion UI on analysis board Open

cat: analysis good first issue

Difficulty 3/5 1-2 days Newbie friendliness 68/100

lichess-org/mobile#3610 · 1 comment · Opened Aug 25, 2026
Stats title is aligned to the right when text is too long depending on the language Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

lichess-org/mobile#3609 · Opened Aug 25, 2026
Some missing translations/localizations Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

lichess-org/mobile#3602 · 2 comments · Opened Aug 24, 2026
Crazy house pieces disappear Open

cat: game good first issue

Difficulty 3/5 1-2 days Newbie friendliness 67/100

lichess-org/mobile#3599 · 3 comments · Opened Aug 23, 2026
Remember explored variations in correspondence games Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

lichess-org/mobile#3597 · 1 reaction · Opened Aug 23, 2026
Crazyhouse: Large Gap Between Board and Crosstable Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

lichess-org/lila#21378 · Opened Aug 22, 2026
Solving puzzles off-line Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

lichess-org/lila#21369 · 3 comments · Opened Aug 21, 2026
Puzzle streak feedback Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

lichess-org/mobile#3589 · 1 comment · Opened Aug 21, 2026
Tutor text is partially translated. Open

i18n

Difficulty 3/5 1-2 days Newbie friendliness 55/100

lichess-org/lila#21338 · 1 comment · Opened Aug 18, 2026
Uncomfortable language selection Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

lichess-org/lila#21334 · 5 comments · Opened Aug 18, 2026
Cannot toggle sound from within Zen mode Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

lichess-org/mobile#3580 · Opened Aug 17, 2026
Have the copy mainline/variation feature copy annotations & glyphs too Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

lichess-org/lila#21316 · Opened Aug 16, 2026
Strange visual glitch upon exporting game as GIF Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

lichess-org/lila-gif#232 · Opened Aug 15, 2026
Add indicator for official broadcasts when looking at a user's created broadcasts Open

broadcasts scala

Difficulty 3/5 1-2 days Newbie friendliness 45/100

lichess-org/lila#21280 · 2 comments · Opened Aug 14, 2026
Ability to toggle off move commentary Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

lichess-org/mobile#3564 · Opened Aug 13, 2026
Why are chat comments not consistent between web and app Open

Difficulty 3/5 1-2 days Newbie friendliness 32/100

lichess-org/mobile#3563 · 2 comments · Opened Aug 13, 2026
use player deeplink when clicking a trophy in player profile Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

lichess-org/lila#21274 · Opened Aug 12, 2026
Shortcut to opponents profile from long-touch popup on recent game list Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

lichess-org/mobile#3561 · Opened Aug 12, 2026
Allow movement animations in bullet Open

Difficulty 3/5 1-2 days Newbie friendliness 62/100

lichess-org/mobile#3559 · 1 comment · Opened Aug 11, 2026
Spectating a game increases the games counter artificially on lichess.dev Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

lichess-org/lila#21261 · 4 comments · Opened Aug 11, 2026
Export not working Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

lichess-org/lila#21255 · 2 comments · Opened Aug 10, 2026
Format on boox e-ink poke5s Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

lichess-org/mobile#3555 · 2 comments · Opened Aug 10, 2026
Feature request: AMOLED board Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

lichess-org/lila#21231 · 4 comments · Opened Aug 8, 2026

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