The BeholderBoard was a Perl script that let you play chess with your friends (if you had a webserver). It was released as unsupported freeware in 1999. It’s been superseded by a variety of (better) chess servers, so it is no longer available and certainly no longer supported.
It featured:
The script is no longer available, but if you want to use the graphics for anything, download them as a .zip and off you go: available under a CC-BY 2.0 license.