Composants open source
Stockfish.js 19 Lite single-threaded, Nathan Rugg and the Stockfish authors. GPL-3.0.
This exact build comes from npm stockfish@19.0.0. Source code and build instructions. Exact version package. Corresponding source archive. License text.
chess.js 1.4.0, Jeff Hlywa and contributors. BSD-2-Clause. Source code. License text.
IBM Plex Sans and IBM Plex Sans Arabic fonts, IBM. SIL Open Font License 1.1. Font license. Official source project.
The interface, chess pieces, server logic and practice exercises were prepared for Jeux d’échecs. Use of Stockfish must preserve its license and access to the corresponding source code.
Problèmes d’échecs
Some puzzles come from the open Lichess database, published under CC0 1.0. This permits use, modification and distribution, including in commercial projects. Jeux d’échecs practice exercises were prepared separately.
Sons
32 samples from 6 archives. Each recording lists its license: CC0, CC BY 3.0 or CC BY 4.0. Listen to the options. Full list of sources and changes.
Real chessboard — simone_ds. Freesound · CC0-1.0.
Excerpt 1.085–1.700 s from the public high-quality preview; mono mix, level reduction/normalization and 4 ms fade. Preview: two moves and paired taps for a capture; no pitch changes.
Wooden tap — Kenney. Kenney · CC0-1.0.
Mono mix, level reduction/normalization and 4 ms fade. Preview: two moves and paired taps for a capture; no pitch changes.
Soft tap — Kenney. Kenney · CC0-1.0.
Mono mix, level reduction/normalization and 4 ms fade. Preview: two moves and paired taps for a capture; no pitch changes.
Minimal click — qubodup. OpenGameArt · CC0-1.0.
Level reduction/normalization and 4 ms fade. Preview: two moves and paired taps for a capture; no pitch changes.
Alabaster board — mh2o. Freesound · CC0-1.0.
One original excerpt, converted to mono PCM16 WAV; gain adjusted to a peak of 0.40; 0.5 ms edit-edge fades; no pitch or tempo changes. Preview: two moves and paired taps for a capture; no pitch changes.
Queen on wood — Alnotreally. Freesound · CC0-1.0.
One original excerpt, converted to mono PCM16 WAV; gain adjusted to a peak of 0.40; 0.5 ms edit-edge fades; no pitch or tempo changes. Preview: two moves and paired taps for a capture; no pitch changes.
Pawn sliding — Alnotreally. Freesound · CC0-1.0.
One original excerpt, converted to mono PCM16 WAV; gain adjusted to a peak of 0.40; 0.5 ms edit-edge fades; no pitch or tempo changes. Preview: two moves and paired taps for a capture; no pitch changes.
Wooden chess piece — Imrius. Freesound · CC-BY-4.0.
One original excerpt, converted to mono PCM16 WAV; gain adjusted to a peak of 0.40; 0.5 ms edit-edge fades; no pitch or tempo changes. Preview: two moves and paired taps for a capture; no pitch changes.
Falling chess pieces — IENBA. Freesound · CC0-1.0.
One original excerpt, converted to mono PCM16 WAV; gain adjusted to a peak of 0.40; 0.5 ms edit-edge fades; no pitch or tempo changes. Preview: two moves and paired taps for a capture; no pitch changes.
Chess-clock button — JJTaynos. Freesound · CC0-1.0.
One original excerpt, converted to mono PCM16 WAV; gain adjusted to a peak of 0.40; 0.5 ms edit-edge fades; no pitch or tempo changes. Preview: two moves and paired taps for a capture; no pitch changes.
Analog chess clock — emapuree. Freesound · CC0-1.0.
One original excerpt, converted to mono PCM16 WAV; gain adjusted to a peak of 0.40; 0.5 ms edit-edge fades; no pitch or tempo changes. Preview: two moves and paired taps for a capture; no pitch changes.
Wooden desk tap — AidanSounds. Freesound · CC0-1.0.
One original excerpt, converted to mono PCM16 WAV; gain adjusted to a peak of 0.40; 0.5 ms edit-edge fades; no pitch or tempo changes. Preview: two moves and paired taps for a capture; no pitch changes.
Tiny wood knock — Krokulator. Freesound · CC0-1.0.
One original excerpt, converted to mono PCM16 WAV; gain adjusted to a peak of 0.40; 0.5 ms edit-edge fades; no pitch or tempo changes. Preview: two moves and paired taps for a capture; no pitch changes.
Light finger tap on wood — ValentinPetiteau. Freesound · CC0-1.0.
One original excerpt, converted to mono PCM16 WAV; gain adjusted to a peak of 0.40; 0.5 ms edit-edge fades; no pitch or tempo changes. Preview: two moves and paired taps for a capture; no pitch changes.
Domino tile — poenia. Freesound · CC0-1.0.
One original excerpt, converted to mono PCM16 WAV; gain adjusted to a peak of 0.40; 0.5 ms edit-edge fades; no pitch or tempo changes. Preview: two moves and paired taps for a capture; no pitch changes.
Slide and tap — ChaosEntertainment. Freesound · CC0-1.0.
One original excerpt, converted to mono PCM16 WAV; gain adjusted to a peak of 0.40; 0.5 ms edit-edge fades; no pitch or tempo changes. Preview: two moves and paired taps for a capture; no pitch changes.
Game chip — Kenney. Kenney · CC0-1.0.
Full short recording converted to mono PCM16 WAV; peak normalized to 0.40; 2 ms edge fades. No pitch or tempo variants. Preview: two moves and paired taps for a capture; no pitch changes.
Chips collide — Kenney. Kenney · CC0-1.0.
Full short recording converted to mono PCM16 WAV; peak normalized to 0.40; 2 ms edge fades. No pitch or tempo variants. Preview: two moves and paired taps for a capture; no pitch changes.
Medium wood impact — Kenney. Kenney · CC0-1.0.
Full short recording converted to mono PCM16 WAV; peak normalized to 0.40; 2 ms edge fades. No pitch or tempo variants. Preview: two moves and paired taps for a capture; no pitch changes.
Heavy wood impact — Kenney. Kenney · CC0-1.0.
Full short recording converted to mono PCM16 WAV; peak normalized to 0.40; 2 ms edge fades. No pitch or tempo variants. Preview: two moves and paired taps for a capture; no pitch changes.
Soft heavy impact — Kenney. Kenney · CC0-1.0.
Full short recording converted to mono PCM16 WAV; peak normalized to 0.40; 2 ms edge fades. No pitch or tempo variants. Preview: two moves and paired taps for a capture; no pitch changes.
Short impact — Kenney. Kenney · CC0-1.0.
Full short recording converted to mono PCM16 WAV; peak normalized to 0.40; 2 ms edge fades. No pitch or tempo variants. Preview: two moves and paired taps for a capture; no pitch changes.
Interface click — Kenney. Kenney · CC0-1.0.
Full short recording converted to mono PCM16 WAV; peak normalized to 0.40; 2 ms edge fades. No pitch or tempo variants. Preview: two moves and paired taps for a capture; no pitch changes.
Switch click — Kenney. Kenney · CC0-1.0.
Full short recording converted to mono PCM16 WAV; peak normalized to 0.40; 2 ms edge fades. No pitch or tempo variants. Preview: two moves and paired taps for a capture; no pitch changes.
Wooden chess placement — Jeff Final Boss / El Final Boss. RouteNote Licensing · CC0-1.0.
Excerpt 0.000000–0.111771s; stereo mixed to mono where applicable; gain 1.188691; 0.5ms onset / 6ms tail fades; resampled to 24000Hz PCM16. No pitch changes. Preview: two moves and paired taps for a capture; no pitch changes.
Sliding chess piece — Jeff Final Boss / El Final Boss. RouteNote Licensing · CC0-1.0.
Excerpt 0.000000–0.339708s; stereo mixed to mono where applicable; gain 1.719445; 0.5ms onset / 6ms tail fades; resampled to 24000Hz PCM16. No pitch changes. Preview: two moves and paired taps for a capture; no pitch changes.
Clear clack — Mike Koenig. SoundBible · CC-BY-3.0.
Excerpt 0.030000–0.380000s; stereo mixed to mono where applicable; gain 0.549732; 0.5ms onset / 6ms tail fades; resampled to 24000Hz PCM16. No pitch changes. Preview: two moves and paired taps for a capture; no pitch changes.
Wooden metronome — Mike Koenig. SoundBible · CC-BY-3.0.
Excerpt 0.344989–0.630000s; stereo mixed to mono where applicable; gain 0.294216; 0.5ms onset / 6ms tail fades; resampled to 24000Hz PCM16. No pitch changes. Preview: two moves and paired taps for a capture; no pitch changes.
Small switch — Sebastian. SoundBible · CC-BY-3.0.
Excerpt 0.055000–0.380000s; stereo mixed to mono where applicable; gain 0.559043; 0.5ms onset / 6ms tail fades; resampled to 24000Hz PCM16. No pitch changes. Preview: two moves and paired taps for a capture; no pitch changes.
Tiny button — Mike Koenig. SoundBible · CC-BY-3.0.
Excerpt 0.000000–0.075011s; stereo mixed to mono where applicable; gain 0.249452; 0.5ms onset / 6ms tail fades; resampled to 24000Hz PCM16. No pitch changes. Preview: two moves and paired taps for a capture; no pitch changes.
Short digital cursor — ObsydianX. itch.io · CC0-1.0.
Excerpt 0.000000–0.320000s; stereo mixed to mono where applicable; gain 6.734199; 0.5ms onset / 6ms tail fades; resampled to 24000Hz PCM16. No pitch changes. Preview: two moves and paired taps for a capture; no pitch changes.
Soft retro blop — Kronbits / Davit Masia. itch.io · CC0-1.0.
Excerpt 0.000000–0.360023s; stereo mixed to mono where applicable; gain 0.220000; 0.5ms onset / 6ms tail fades; resampled to 24000Hz PCM16. No pitch changes. Preview: two moves and paired taps for a capture; no pitch changes.