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an early Soviet chess program, developed since [[Timeline#19631961|19631961]] <ref>[http://adamant1.fromru.com/kaissa.html "Каисса" - Историю программы рассказывает один из ее создателей Михаил Донской] - Kaissa by [[Mikhail Donskoy]]</ref> at [[Alexander Kronrod|Alexander Kronrod’s]] laboratory at the Moscow [[Institute of Theoretical and Experimental Physics]] ('''ITEP''') by [[Georgy Adelson-Velsky]], [[Vladimir Arlazarov]], [[Anatoly Uskov]], [[Alexander Zhivotovsky]], A. Leman, M. Rozenfeld and Russian chess master [[Alexander Bitman]] <ref>[[Georgy Adelson-Velsky]], [[Vladimir Arlazarov]], [[Alexander Bitman]], [[Alexander Zhivotovsky]], [[Anatoly Uskov]] ('''1970'''). ''Programming a Computer to Play Chess''. [http://iopscience.iop.org/0036-0279/25/2 Russian Mathematical Surveys, Vol. 25], pp. 221-262</ref>, to run under the Soviet [[M-20]] computer. According to the description of the [[Russian Virtual Computer Museum]], the ITEP Chess Program was developed for the [[M-2]] <ref>[http://www.computer-museum.ru/english/m2.htm The Fast Universal Digital Computer M-2] from the [[Russian Virtual Computer Museum]]</ref>, which seems wrong since all primary sources mention the Chess Program was written for the M-20 <ref>[[Georgy Adelson-Velsky]], [[Vladimir Arlazarov]], [[Alexander Bitman]], [[Alexander Zhivotovsky]], [[Anatoly Uskov]] ('''1970'''). ''Programming a Computer to Play Chess''. [http://iopscience.iop.org/0036-0279/25/2 Russian Mathematical Surveys, Vol. 25], pp. 221-262</ref>.