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.
New features include figure dragging, usage of GTK
2.4 file dialogs, hints and book opening, level
adjustment, session autosaving, and returning to
saved state. The requirements are mono, gnuchess
5.07, and GTK 2.4.