Isaak BOLESLAVSKY, USSR Chessplayer. Master of Sport of USSR for Chess since 1939; USSR Grand Master since 1945.
BOLESLAVSKY, Isaak was born in 1919.
Has taken part in USSR-United States of America and USSR-Great Britain matches and in international tournaments: 1946 in Groningen. 1948 in Stockholm; 1950 in Budapest. 1960 in German Federal Republic.