CSBoard is a small GUI for gnuchess. It is written in C# and uses gtk-sharp and mono. It is simple, but allows you just play chess with SVG graphics and native look and desktop theme usage.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
Internal structure changes were made, including
the interface for various backends. The ability to
switch sides and play black was added. Draw
handling was fixed. Note that you need gnuchess
5.07 to play csboard properly.