Version of gmchess is marked for autoremoval from testing on Mon 05 Feb 2018. It depends (transitively) on libglademm2.4, affected by 885078. You should try to prevent the removal by fixing these RC bugs.
Last update: 2018-01-21
Problems while searching for a new upstream version
uscan had problems while searching for a new upstream version:
In debian/watch no matching files for watch line