Third-party licenses

OptioCorps is built with the help of excellent work by others. We credit it here with gratitude.

Stockfish

GNU GPL v3

The War Room is powered by Stockfish, a free and open-source chess engine. Stockfish runs as a separate, unmodified program; OptioCorps communicates with it through the standard UCI protocol.

Stockfish is copyright © The Stockfish developers (see the AUTHORS file in its source code). It is free software, distributed under the GNU General Public License, version 3. It comes with no warranty.

stockfishchess.org Source code GPL v3 license text

Typefaces

Cormorant Garamond and Inter, served by Google Fonts, licensed under the SIL Open Font License 1.1.

SIL Open Font License

Photography

Photographs licensed from Adobe Stock. People shown are models and do not represent OptioCorps users or clients.