Table:
text: Comparison of top chess players throughout history
Chessmetrics
Chessmetrics
Rank_ _1_year_peak _5_year_peak _10_year_peak _15_year_peak _20_year_peak
1 Bobby Fischer , 2881 Garry Kasparov, 2875 Garry Kasparov, 2863 Garry Kasparov, 2862 Garry Kasparov, 2856
2 Garry Kasparov , 2879 Emanuel Lasker, 2854 Emanuel Lasker, 2847 Anatoly Karpov, 2820 Anatoly Karpov, 2818
3 Mikhail Botvinnik , 2871 José Capablanca, 2843 Anatoly Karpov, 2821 Emanuel Lasker, 2816 Emanuel Lasker, 2809
4 José Capablanca , 2866 Mikhail Botvinnik, 2843 José Capablanca, 2813 José Capablanca, 2798 Alexander Alekhine, 2781
5 Emanuel Lasker , 2863 Bobby Fischer, 2841 Bobby Fischer, 2810 Alexander Alekhine, 2794 Viktor Korchnoi , 2766

Question: What's every 5-year peak with one when Anatoly Karpov, 2820, is a 15-year peak among Chessmetrics' comparison of the best chess players throughout history?

Question: What is the highest rank if Garry Kasparov, 2879, is the 1-year high compared to other top chess players in Chessmetrics history?

Question: Comparing the best chess players throughout history, what is the highest rank if Anatoly Karpov, 2820, is the 15-year peak of Chessmetrics?