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was the first complete chess program, developed in around [[Timeline#1957|1957]] at [https://en.wikipedia.org/wiki/Service_Bureau_Corporation Service Bureau Corporation], [https://en.wikipedia.org/wiki/Madison_Avenue Madison] & [https://en.wikipedia.org/wiki/59th_Street_%28Manhattan%29 59th Street], [https://en.wikipedia.org/wiki/Manhattan Manhattan], [https://en.wikipedia.org/wiki/New_York_City New York City] <ref>[http://www.newyorker.com/magazine/1958/11/29/runner-up-4 Runner-Up - The New Yorker - November 29, 1958]</ref>, by chess player and programmer at [[IBM]], [[Alex Bernstein]] with his colleagues [[Michael de V. Roberts]], [[Timothy Arbuckle]] and [[Martin Belsky]], supported by chess advisor [https://en.wikipedia.org/wiki/Arthur_Bisguier Arthur Bisguier] <ref>[http://de.wikipedia.org/wiki/Arthur_Bisguier Arthur Bisguier from Wikipedia.de] (German)</ref>, who became IBM employee at that time and in 1957 [https://en.wikipedia.org/wiki/International_Grandmaster international chess grandmaster], and supervised by [[Nathaniel Rochester]] <ref>[https://en.wikipedia.org/wiki/Nathaniel_Rochester_%28computer_scientist%29 Nathaniel Rochester (computer scientist) from Wikipedia]</ref>.  =Quote=As mentioned by [[John McCarthy]] <ref>[http://www-formal.stanford.edu/jmc/slides/dartmouth/dartmouth/node1.html The Dartmouth Workshop--as planned and as it happened]</ref>, the Bernstein Chess Program under construction was presented at the [https://en.wikipedia.org/wiki/Dartmouth_workshop 1956 Dartmouth workshop]: Alex Bernstein of IBM presented his chess program under construction. My reaction was to invent and recommend to him [[Alpha-Beta|alpha-beta]] pruning. He was unconvinced.