George Duke wrote on Wed, Aug 5, 2009 07:21 PM UTC:
Goddesschess links back to CVPage this week,
http://www.goddesschess.com/whatsnew/whatsnew.html, for George Boeree's Hobbit Chess. Aronson points out in the other comment here 7 years ago that Centennial's Quadra-Pawn is the same prior version as this Hobbit Pawn.
http://chessvariants.org/usualeq.dir/msaprobl.html