GNU Chess - Macintosh Repository

GNU Chess (Mac abandonware from 1995)

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

Do top chess engines today have deficiencies playing the endgame? - Quora

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

Stockfish (Chess) - Wikipedia, PDF, Electronic Games

PyChess » Raspberry Pi Geek

GNU Chess (1984) - MobyGames

The Apple/NeXT/GNU Chess app then and now (someone asked if it was still GNU Chess on my OS X Server post. also hidden video game reference in here winner gets a reddit

GNU Chess 6.2.8 Is Released - LinuxReviews

PDF) UA-Chess: A Universally Accessible Board Game

GNU Chess

Gnu Chess: Most Up-to-Date Encyclopedia, News & Reviews

ChessX download

Stockfish - Open Source Chess Engine