“Fool’s Mate,” Robert Sheckley, 1953 – Two equally balanced forces are in stalemate unless a random factor intervenes: a human broken by stress.
Comments: Read in Metal Smile. “Fool’s mate” is the quickest possible checkmate in chess. (Wikipedia)
Author: Wikipedia: “Robert Sheckley (July 16, 1928 – December 9, 2005) was a Hugo- and Nebula-nominated American author. First published in the science fiction magazines of the 1950s, his numerous quick-witted stories and novels were famously unpredictable, absurdist and broadly comical.”