Simplify the following text for a Grade 8 native English-speaking person.
Original: Vasily Vasilyevich Smyslov ( ; 24 March 1921 -- 27 March 2010 ) was a Soviet and Russian chess grandmaster , and was World Chess Champion from 1957 to 1958 .
Simplified: Vasily Smyslov ( 24 March 1921 â `` 27 March 2010 ) was a Russian chess grandmaster , and World Chess Champion from 1957 to 1958 .