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Between 1959 and 1962, students of John McCarthy at [[Massachusetts Institute of Technology]], [[Alan Kotok]], [[Elwyn Berlekamp]] (1960), [[Michael A. Lieberman]], [[Charles Niessen]] and [[Robert A. Wagner]], wrote a chess program for the [[IBM 7090]]. When McCarthy left MIT to take charge of the Arificial Intelligence Laboratory at [[Stanford University|Stanford]], he took Kotok's program with him and improved it's searching. In 1965, McCarthy visited the Soviet Union and was challenged by [[Alexander Kronrod]] for a computer chess match. At the end of 1966 the [[Stanford-ITEP Match|four game match]] began between the [[Kotok-McCarthy-Program]], running on a [[IBM 7090]] computer, and a [[ITEP Chess Program|program]] developed at the [[Institute of Theoretical and Experimental Physics]] (ITEP) in Moscow which used a Soviet [[M-220]] computer. The match played over nine months was won 3-1 by the The ITEP program.