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In 1965, [[John McCarthy]], by then at [[Stanford University]], visited the [https://en.wikipedia.org/wiki/Soviet_Union Soviet Union]. A group using the [[M-220]] <ref>[http://www.computer-museum.ru/english/m2.htm The Fast Universal Digital Computer M-2] from the [[Russian Virtual Computer Museum]]</ref> computer at [[Alexander Kronrod|Alexander Kronrod’s]] laboratory at the Moscow [[Institute of Theoretical and Experimental Physics]] ('''ITEP''') challenged him to a match. Kronrod considered the [[Kotok-McCarthy-Program]] to be the best program in the United States at the time <ref>[[Mathematician#Landis|Evgenii Landis]], [[Mathematician#Yaglom|Isaak Yaglom]] ('''1987'''). ''Remembering A.S. Kronrod''. ('''2002'''). Translation by [http://www.translatorscafe.com/cafe/member16949.htm Viola Brudno], Edited by [[Mathematician#WaGautschi|Walter Gautschi]], [https://www.cs.purdue.edu/homes/wxg/Kronrod.ps ps]</ref>.

| [[FILE:JohnMcCarthy.jpg|none|border|text-bottom|x189pxx320px|link=John Kotok-McCarthy -Program]]

| [[FILE:Adelson-Velsky-G.Moscow-1980ItepTeamTV.jpg|none|border|text-bottom|x189pxx320px|link=Georgy Adelson-VelskyITEP Chess Program]]

At the end of [[Timeline#1966|1966]] a four game correspondence match began between the [[Kotok-McCarthy-Program]], running on a [[IBM 7090]] computer, and a the [[ITEP Chess Program|program]] developed at the ITEPrunning on a [[M-20]], written by [[Georgy Adelson-Velsky]], [[Vladimir Arlazarov]], [[Anatoly Uskov]], [[Alexander Zhivotovsky]], and advised by Russian chess master [[Alexander Bitman]] and three-time world champion [[Mikhail Botvinnik]] <ref>[http://www.computerhistory.org/chess/full_record.php?iid=stl-430b9bbdb9817 International Grandmaster and World Champion Mikhail Botvinnik in Moscow], 1980, Gift of [[Monroe Newborn]], "[[Mikhail Botvinnik|Botvinnik]] served as a consultant to Soviet computer chess developers who developed an early program at [[Institute of Theoretical and Experimental Physics|ITEP]] which won a [[Stanford-ITEP Match|correspondence chess match]] against a [[Stanford University]] [[Kotok-McCarthy-Program|chess program]] led by [[John McCarthy]] in 1967. Later he advised the team that created the chess program [[Kaissa]] at [[Institute of Control Sciences|Moscow’s Institute for Control Science]]"</ref>. The match played over nine months was won 3-1 by the [[ITEP Chess Program|ITEP program]]. Despite playing on weaker hardware, it was the better program. Based on [[Type A Strategy|Shannon Type A]], it could took advantage on the tactical oversights of the [[Kotok-McCarthy-Program]], caused by it flaws of the [[Type B Strategy|Shannon Type B]] plausible move generator.