For how long did Gelfand hold a place within the top 30 players ranked by FIDE?
From January 1990 to October 2017
From January 1988 to October 2005
From January 2000 to October 2017
From January 1990 to October 2010
Answer
Gelfand was ranked within the top 30 players in the world by FIDE for 28 years, from January 1990 to October 2017. He reached a peak ranking of number 2 in the world in January 1997.
The Mastermind: A Quiz on Boris Gelfand's Chess Legacy