Confident of their victory, the princes refused, but the next day, thanks to the betrayal of Ulu-Muhamed, he defeated the Russian army.
[1] Having established itself in In the Middle Volga region, the khan decided to restore dominance over the Russian principalities.
Vasily II gathered large troops, but after the defeat of his advanced detachments, Ulu-Mukhamed, not daring to engage in battle, retreated, taking up the siege of the Nizhny Novgorod fortress, where the voivodes Fedor Dolgolyadov and Yushka Dranitsa.
At the end of spring, the Grand Duke began to prepare for a new offensive against the Tatars, but on June 29, Nizhny Novgorod voivodes rode up to him with the message: "that they ran out of the city at night, having lit it, because they could not endure hunger any longer: what was in the bread supply, everyone ate too much."
Having learned about the fall of the city, the Grand Duke was forced to march without completing his preparations, some units did not have time to approach.