JFXChess

JFXChess is a chess graphical user interface with the following features:
* based around world's best chess program Stockfish
* play against the computer & various bots
* adjust strength levels to match your skill
* enter, edit and analyse games
* automatic game analysis
* read and save games in standard pgn format
* copy and paste FEN positions and pgn games from clipboard
* cross-platform, available for Linux and Windows
* easy and intuitive GUI

Note: Grant permissions
* to read/write PGN files from removable media: sudo snap connect jfxchess:removable-media
* to print: sudo snap connect jfxchess:cups

The snap version of JFXChess does not allow to add UCI engines due to sandboxing restrictions. For that feature, install the .deb from the homepage instead.