Vektor3 is a 2005 chess application for Mac OS X created by Manfred
Schubert, the successor to [Vanessa.][1] It features French, Russian,
and American style pieces. It shows real-time analysis of the game,
and rates a score of your likelihood to win. It was created and runs
with Schubert's own Vanessa chess engine.

This application has been [ gone from his website for a decade
now.][2]

Registration Information
Name: siddhartha
Code: 8382-VC-1665324605

Compatibility
Architecture: PPC PPC (Carbonized)

  [1]: http://macintoshgarden.org/games/vanessa-chess
  [2]: https://web.archive.org/web/20120126180400/https://www.schubert-it.com/vektor3/