A simple and efficient chess GUI (graphical user interface) offering the following features:
* based around world's best chess program Stockfish (as of Jan, 2014)
* play against the computer
* 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: native look on Linux, OS X, and Windows
* easy and intuitive GUI