From 1948 until 1963 Mikhail Botvinnik, the iron man of soviet chess and chess board devotee of Josef Stalin, had maintained his grip on the supreme title. Tigran Petrosian was a super subtle strategist.
From 1948 until 1963 Mikhail Botvinnik, the iron man of soviet chess and chess board devotee of Josef Stalin, had maintained his grip on the supreme t...
