ISBN: | 978-5-5140-4314-9 |
High Quality Content by WIKIPEDIA articles! Isaac Yefremovich Boleslavsky (Ukrainian: Ісаак Єфремович Болеславський, Исаак Ефремович Болеславский) (June 9, 1919 Zolotonosha, Ukraine – February 15, 1977 Minsk) was a Soviet–Jewish chess Grandmaster.