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In 1965, while [[John McCarthy]] visited the Soviet Union, he was challenged by Kronrod, who considered the [[Kotok-McCarthy-Program]] to be the best program in the United States at the time <ref>[http://www.cs.toronto.edu/~brudno/ Michael Brudno] ('''2000'''). ''Competitions, Controversies, and Computer Chess'', [http://www.cs.toronto.edu/%7Ebrudno/essays/cchess.pdf pdf]</ref>. At the end of 1966 the [[Stanford-ITEP Match|four game match]] was arranged between Kotok-McCarthy, running on a [[IBM 7090]] computer, and the ITEP Program on a [[M-2]] <ref>[http://www.computer-museum.ru/english/m2.htm The Fast Universal Digital Computer M-2] from [[Russian Virtual Computer Museum]]</ref>. The match played over nine months was won 3-1 by the ITEP Program, which searches either three (first two games) or five plies (improved version) ahead.

=Kaissa=