About this site
Opening Survival is a trainer for chess openings: get through the opening without falling into the traps and blunders that players at your level fall into. It is work in progress; for now you can play against Stockfish at a limited strength.
Credits
- Stockfish: the chess engine, by the Stockfish developers, stockfishchess.org.
- Stockfish.js 19.0.1: the WebAssembly build of Stockfish that runs in your browser, by Nathan Rugg and Chess.com. The site serves the release files unmodified; their source code is at github.com/nmrugg/stockfish.js (v19.0.1). Its neural network (“lite” net) is by Chris Bao (sscg13).
- Pieces: Cburnett, by Colin M.L. Burnett, under the BSD license.
License
Stockfish and Stockfish.js are free software under the GNU General Public License, version 3. The full license text is here: GPL v3. You may copy, change and redistribute them under its terms; the source code of the exact version used here is linked above.