Russian historian Bobylev noted that the details of the exercises were reported differently by the various participants who published memoirs.П. Н. БОБЫЛЕВ "Репетиция катастрофы" // "Военно-исторический журнал" № 7, 8, 1993 г. He said that there were two exercises; one from 2 to 6 January 1941, for the North-West direction; another from 8 to 11 January, for the South-West direction. During the first, Western forces attacked Eastern forces on 15 July, but the Eastern forces counterattacked and, by 1 August, reached the original border.
rusSiAn HistORiAn BObYlev noteD that tHe detAilS Of the Exercises WerE rEpoRTed DIfferentLY By the vaRiOuS PaRTiciPaNtS wHO pUbliShed meMoIrs.П. Н. бОбЫлев "репеТицИЯ КаТаСтрофы" // "вОенНо-ИСТорИческИЙ журнАл" № 7, 8, 1993 г. he SAId thAt there weRe TWO ExercISeS; ONe from 2 to 6 JanuaRy 1941, for thE norTH-weSt directIOn; AnothEr frOM 8 to 11 JaNuARY, foR tHe soUth-west diREctIOn. duRing tHe first, westeRn forCes atTAckEd EaStern ForCes On 15 juLY, BuT The eastErN FOrcEs couNteraTtacked aND, By 1 auGust, reAChed the Original BOrDer.