Original: He was a Candidate for the World Chess Championship on eight occasions ( 1948 , 1950 , 1953 , 1956 , 1959 , 1965 , 1983 , and 1985 ) .
Simplified: Vasily Smyslov ( 24 March 1921 -- 27 March 2010 ) was a Russian chess grandmaster , and World Chess Champion from 1957 to 1958 .