 Then, he attacked the center of Mstislavsky’s army, namely the Streltsy, who had been dislocated in Dobrynichi.The latter met Dmitriy’s cavalry with gunfire from harquebuses and cannons and put them to flight.At the sight of the fleeing cavalry, unmounted Zaporozhian Cossacks on the right flank of Dmitriy’s army decided that the battle had been lost and followed suit.