Rebel Century was a set a CD-ROM releases from the Rebel Decade series. While they do include more data on them, I'm not entirely clear on how these differ from the Rebel Decade releases and the homepage isn't much help as the author just waxes on about old chess matches on each info page. I have included them for completion …

Rebel is one of the longest running chess programs, with over 2 decades of version releases. It started as software to run dedicated chess machines. At version 6 it was released as stand alone software for the IBM, and continued with releases all the way until the mid 2000's before it shifted to Windows. In the 1986 Cologne Computer Chess …