Credits & Licences
ChessSRS is built with free and open-source software, honoring all upstreams and creative contributors.
1. Core Application & Foundation
ChessSRS is released under the GNU General Public License v3.0 (GPL-3.0). It is an independent fork of Lichess Mobile, developed and maintained by the Lichess community.
We express deep gratitude to Thibault Duplessis, Vincent Dumas, and all Lichess Mobile contributors for building a world-class mobile chess foundation.
2. Chess Engine & Rules
Chess logic and move validation in the application use dartchess and chessground by Lichess (GPL-3.0). The web live demo integrates chess.js (BSD-2-Clause Copyright © Jeff Hlywa).
3. Piece Artwork & Visual Design
The "Diagram" board visual identity and custom vector piece silhouettes are original works created for ChessSRS, licensed under GPL-3.0.
4. Typography
- Geist & Geist Mono: Designed by Vercel and Basement Studio, licensed under the SIL Open Font License 1.1 (OFL).
- Instrument Serif & Instrument Sans: Designed by Instrument, licensed under the SIL Open Font License 1.1 (OFL).
- Newsreader: Designed by Production Type, licensed under the SIL Open Font License 1.1 (OFL).