PyChess is a gnome-inspired chess client written in python. Licensed under the free GPL license

The goal of PyChess, is to provide a fully featured, nice looking, easy to use chess client for the gnome-desktop.

Features

• CECP and UCI chess engine support
• Free online play on the FICS chess servers
• Read and writes the PGN, EPD and FEN chess fileformats
• Builtin python based chess engine
• Undo and pause functions
• Board and piece animation
• Chess piece drag and drop
• Tabbed interface
• Hints and spyarrows
• Openingbook sidepanel with moves from thousands of chess games
  
• Scoreplot sidepanel showing you the development of the game
  
• "Enter game" in pgn dialog
• Internationalised or figure pieces in notation
• Optional sounds
• Legal move highlighting
• A nice and accesible look