Chesstar,
a chess program written by Lincoln Shannon 1 which played the ACM 1976, running on a Honeywell x16 16-bit minicomputer 2.
Selected Games
ACM 1976, round 4, L'Excentrique - Chesstar 3 4
[Event "ACM 1976"]
[Site "Houston TX"]
[Date "1976.10.21"]
[Round "4"]
[White "L'Excentrique"]
[Black "Chesstar"]
[Result "1-0"]
1.d4 e5 2.dxe5 Nc6 3.e4 a5 4.Qd5 h6 5.a4 Qe7 6.h4 Qb4+ 7.c3 Qb6 8.Bc4 Bc5
9.Qxf7+ Kd8 10.Qxg7 d6 11.Qf8+ Kd7 12.e6# 1-0
References
Chess Becomes Mechanized, Hays Daily News, October 31, 1976, pp. 12↩︎
David Levy (1977). 1976 US Computer Chess Championship. Computer Science Press, Woodland Hills, CA↩︎
Important games - The North American Championship hosted by Ed Schröder↩︎