THIEF - A free client for playing chess on the internet
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  • Fully customizable board: 45 built-in bitmap and vector piece sets, user-defined piece sets can be added
  • Full support of all chess variants played on FICS and ICC
  • Legality checking
  • Move input: drag-and-drop or source-destination square click
  • Multiple Boards for playing and observing several games simultaneously
  • Autosave of own and observed games in PGN/BPGN format
  • Customizable clock (sound and graphics for low time countdown)
  • Captured and drop piece (crazyhouse and bughouse) display
  • Scripting support
  • Lag tracking and lag event option
  • Customizable Layouts, Autolayouts for playing and observing games
  • Extendable Sound events
  • Custom Events, Buttons & Rightclicks
  • Fully customizable silence mode
  • Logfiles with optional time stamps
  • Configuration and connection profiles
  • Platforms: 95/98/NT/2000/XP/Vista, WINE
  • 100% free and open source (GPL)