Mikhail Moiseyevich Botvinnik (Russian: Михаи́л Моисе́евич Ботви́нник, pronounced [mʲɪxɐˈil məɪˈsʲejɪvʲɪtɕ bɐˈtvʲinʲnʲɪk]; August 17 [O.S. August 4] 1911 – May 5, 1995) was a Soviet and Russian International Grandmaster and three-time World Chess Champion, widely considered one of the greatest chess players of all time.