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[[Georgy Adelson-Velsky]] and [[John McCarthy]] playing chess, Soviet-American computer science conference, [https://en.wikipedia.org/wiki/Urgench Urgench], 1979 from [http://www.forevermissed.com/georgy-m-adelson-velsky/gallery#gallery%2Fphotos Photos of Georgy M Adelson-Velsky (1922 - 2014) - ForeverMissed.com], shared by: [http://iitp.ru/en/users/189.htm Семен Карпенко], June 01, 2014
