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As undergraduate student at [[Northwestern University]], along with his fellow [[Larry Atkin]], he co-authored on the initial version of the Northwestern program [[Chess (Program)|Chess]]. Gorlen left the Chess team in 1970 <ref>[http://giving.northwestern.edu/afhr/1970 Undergraduate Alumni Honor Roll 1970s]</ref>, and still contributed a few ideas for some time <ref>[[David Slate]] and , [[Larry Atkin]] ('''1977'''). ''Chess 4.5 - The Northwestern University Chess Program.'' [[Chess Skill in Man and Machine]], reprinted (1988) in [[Computer Chess Compendium]]</ref>.

[[ACM 1970]], [[Chess (Program)|Chess 3.0]] - [[Coko|Coko III]] after 8. Qxd2, from left: [[Jacques Dutka]] (Tournament Director), unknown,<br/>[[Keith Gorlen]] operating Chess 3.0, [[Monroe Newborn|Monty Newborn]], [[Steven M. Bellovin]] with phone, unknown back of head <ref>John C. Devlin ('''1970'''). ''[https://www.nytimes.com/1970/09/02/archives/chess-computer-loses-game-in-a-kingsize-blunder.html Chess Computer Loses Game in a King‐Size Blunder]''. [https://en.wikipedia.org/wiki/The_New_York_Times New York Times], September 02, 1970, Thanks to [[Monroe Newborn|Monty Newborn]] for recognizing people</ref>