(pkgsrc)
- Add LICENSE (gnu-gpl-v3)
- Add USE_LANGUAGES= c++ (as well as c)
- Adjust --infodir for CONFIGURE_ARGS
- Silence pkglint as LOCALBASE to PREFIX
- Remove four all patches, there were no comments on each
  and could not find the reason to keep
(upstream)
- Updated to games/gnuchess-6.2.2 (from 5.07 = year of 2004 ?)
- ChangeLog are there, but it is not full from 5.07
  Please refer src (distfile) for Changes from 2011 to 2015

(mef)