The GPU secret service develops and conducts in 1923-24 an operational game aimed at the elimination of the Savinkov anti-Soviet underground.
Key credits listed on this page include Vladimir Chebotaryov, Edgar Smirnov, Vasili Ardamatsky, Vladimir Samoylov, Yuriy Yakovlev, Mikhail Gluzskiy, Efim Kopelyan, and Leonid Kuravlyov.