Mikhail Botvinnik: Sixth World Chess Champion - Isaak and Vladimir LinderMikhail Botvinnik: 6th World Chess Champion by Isaak & Vladimir Linder The Patriarch of Soviet Chess From the mid 1930s to the early 1960s, one man towered above all other chessplayers. That was the sixth world chess champion, Mikhail Botvinnik. His calm, deep analytical approach, supplemented by careful attention to his mental and physical conditioning served him well throughout his career. Now, in the sixth volume of the World Chess Champion Series