He played in the USSR Championship ten times .
Tolush won the Leningrad Championship in 1937 ( joint ) , 1938 , 1946 , and 1947 ( joint ) .
Tolush played in the USSR Championship ten times .
Tolush won the Leningrad Championship in 1937 ( joint ) , 1938 , 1946 , and 1947 ( joint ) .