GreenChess

Chess Game Software and PGN Viewer Features include PGN support, fast game database browsing, game analysis, game annotations, position editing, importing FEN, an option to play against the GreenChess engine or the open source Stockfish engine, playing with time controls, diagramming positions, an opening book, highlighting captures and threats, nineteen different boards and four different piece sets, hundreds of different window colors, and conversion of games to images and movies suitable for embedding in websites.