/usr/share/GNUstep/Chess.app/English.lproj/Credits.rtf is in chess.app 2.8-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | {\rtf1\mac\ansicpg10000{\fonttbl}
{\colortbl;\red255\green255\blue255;}
}
|