Studies composed by

Isaac Yefremovich Boleslavsky

(Ukraine, 9.6.1919 - 15.2.1977)

Strong Grandmaster and writer of many chessbooks.

More information about him on Wikipedia and Jewage.org.

(All his studies, more exact dates, possible corrections or cooks and exact details about sources can be found in the

Harold van der Heijden database V (31-12-2015) )