rank              1 - year peak             5 - year peak            10 - year peak             15 - year peak             20 - year peak
0     1       bobby fischer , 2881     garry kasparov , 2875     garry kasparov , 2863      garry kasparov , 2862      garry kasparov , 2856
1     2      garry kasparov , 2879     emanuel lasker , 2854     emanuel lasker , 2847      anatoly karpov , 2820      anatoly karpov , 2818
2     3   mikhail botvinnik , 2871    josé capablanca , 2843     anatoly karpov , 2821      emanuel lasker , 2816      emanuel lasker , 2809
3     4     josé capablanca , 2866  mikhail botvinnik , 2843    josé capablanca , 2813     josé capablanca , 2798  alexander alekhine , 2781
4     5      emanuel lasker , 2863      bobby fischer , 2841      bobby fischer , 2810  alexander alekhine , 2794     viktor korchnoi , 2766
5     6  alexander alekhine , 2851     anatoly karpov , 2829  mikhail botvinnik , 2810   mikhail botvinnik , 2789      vasily smyslov , 2759

Table as JSON:
{"rank":{"0":1,"1":2,"2":3,"3":4,"4":5,"5":6},"1 - year peak":{"0":"bobby fischer , 2881","1":"garry kasparov , 2879","2":"mikhail botvinnik , 2871","3":"josé capablanca , 2866","4":"emanuel lasker , 2863","5":"alexander alekhine , 2851"},"5 - year peak":{"0":"garry kasparov , 2875","1":"emanuel lasker , 2854","2":"josé capablanca , 2843","3":"mikhail botvinnik , 2843","4":"bobby fischer , 2841","5":"anatoly karpov , 2829"},"10 - year peak":{"0":"garry kasparov , 2863","1":"emanuel lasker , 2847","2":"anatoly karpov , 2821","3":"josé capablanca , 2813","4":"bobby fischer , 2810","5":"mikhail botvinnik , 2810"},"15 - year peak":{"0":"garry kasparov , 2862","1":"anatoly karpov , 2820","2":"emanuel lasker , 2816","3":"josé capablanca , 2798","4":"alexander alekhine , 2794","5":"mikhail botvinnik , 2789"},"20 - year peak":{"0":"garry kasparov , 2856","1":"anatoly karpov , 2818","2":"emanuel lasker , 2809","3":"alexander alekhine , 2781","4":"viktor korchnoi , 2766","5":"vasily smyslov , 2759"}}