Mark Evgenievich Taimanov was one of the leading Soviet and Russian chess players, among the world's top 20 players from 1946 to 1971. A prolific chess author, Taimanov was awarded the title of Grandmaster in 1952 and in 1956 won the USSR Chess Championship. He was a World Championship Candidate in 1953 and 1971, and several opening variations are named after him. Taimanov was also a world-class concert pianist.