GNU Chess - Macintosh Repository

GNU Chess (Mac abandonware from 1995)

Free Open Source Macintosh Chess Software - Chess Forums

GNU Chess - Libregamewiki

ChessX download

GNUChess - Macintosh Repository

Chess Dr Eric Silverman

How do chess engines evaluate positions? - Quora

Build a retro Apple desktop with the Linux MLVWM

GNU Chess v1.01 : Daryl K. Baker : Free Download, Borrow, and Streaming : Internet Archive

GNU Chess – Wikipédia, a enciclopédia livre

Writing an API/wrapper for GNU Chess using Python 3 - Stack Overflow

Can you run a Mac OS X application in Wine? - Quora

Future version 10 step 05: Scanner of positions