GNU Chess Project : Go is a free program that plays the game of Go

  Chua Kong Sian 
  Stuart Cracraft <cracraft@ai.mit.edu>
  Lukas Geyer <lukas@debian.org>
  Simon Waters <simon@wretched.demon.co.uk>
  David A. Wheeler <dwheeler@dwheeler.com>

  (see http://savannah.gnu.org/projects/chess/)

PSP Gnu Chess : Porting on PSP and add UI

  Ludovic Jacomme (zx81.zx81@gmail.com)

  (see http://zx81.zx81.free.fr/)
