Alexander Alexandrovich Alekhine , PhD ( Russian : Алекса́ндр Алекса́ндрович Але́хин , pronounced ( ɐlʲɪkˈsandr ɐlʲɪkˈsandrəvʲɪtɕ ɐˈlʲexʲɪn ) ; October 31 ( O.S. October 19 ) 1892 - March 24 , 1946 ) was the fourth World Chess Champion .
Alexander Alekhine ( 31 October 1892 - 24 March 1946 ) was the fourth World Chess Champion , and the only one to die holding the title .