Description of the picture
Dmitry decided to forestall the enemy and defeat the main forces of the Tatars. On August 26, the Russian army marched from Kolomna, two days later the troops crossed the Oka river. On September 5, Russian cavalry arrived at the mouth of the Nepryadva river, at its confluence with the don, and by September 7, infantry also arrived. Mamai on September 5 was three marches South of the mouth of the Nepryadva, Jagiello was about the same distance, but to the West. Russian Russians were approaching, and Mamai sped up his movement in the hope of preventing the Russians from crossing the don before yagaila arrived.