Desktop: stockfish needs to be installed separately and must be accessed with the stockfish command or place the executable (the filename must start with stockfish in order to be found by the application) in the .omchess folder loacated in your home directory.
Browser: thanks to the stockfish.online API, it works also in the browser without installing anything.
Build & Run
Java 17+ required, ./gradlew :run
Features
Default chess rules (Capture, movement, en passant, castle, promotion)
Play on the same board (Pass & play), in LAN or in a server room
Play against stockfish (be sure to have stockfish installed)
Custom FEN (Click on the edit board button)
Export game FEN or PGN once the game ended.
Arrow
Premoves
Custom time control
Drag and drop
Underpromotion by dragging a piece in the opposite direction