Chess 4.6 source code Title: Chess 4.6 source code
Publisher: Northwestern University
Version: 4.6
Date: 1977
Category: Programming: Code: Source
Credit Line: Gift of David Slate
Accession: 102645430

Developed by Northwestern University students David Slate and Larry Atkin, Chess dominated much of the first two decades of computer chess tournaments. Chess 4.6 won the 2nd World Computer Chess Championship in 1977. This source code is written in Control Data Cyber assembly language.