The number of participating teams almost tripled compared to the last season and increased again from 26 to 67 which were split into six groups.
The smaller republics of Baltics along with Belarus competed in of the groups designated for the Russian SFSR, known as the Central Group, while the Moldavian representative took part along with Ukrainian teams.
The Karelo-Finish teams really struggled placing dead last in preceding republican qualification tournament.
Lokomotiv Moscow won the championship in the Vtoraya Gruppa.
Many teams were promoted to the league that took part in republican competitions of the 1946 season.