These ebuilds come from http://dev.gentoo.org/~hawking/.
If you have some problems, go to the official site first.
ngboard : Next generation chess interface ( http://ngboard.sourceforge.net/ )
polyglot : UCI adapter to connect a UCI chess engine to an xboard interface ( http://wbec-ridderkerk.nl/html/details1/PolyGlot.html )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a hawking
For Paludis use this rsync : rsync://gentoo.zugaina.org/hawking-portage
If you have a problem : ycarus(-at-)zugaina.org