He has been ranked number one a total of 27 months in his career, fourth all-time since the inception of the FIDE ranking lists in 1971 behind only Garry Kasparov, Anatoly Karpov, and Bobby Fischer.
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He has been ranked number one a total of 27 months in his career, fourth all-time since the inception of the FIDE ranking lists in 1971 behind only Garry Kasparov, Anatoly Karpov, and Bobby Fischer.:0