Rating Analytics: Biggest rating gains of 2019

How good am I in bullet chess if my chess.com bullet rating is 1400 and 90.1 percentile? I have been learning chess on my own and have been regularly playing for the

Comparing Fide Ratings Over Time – raskerino chess

Comparing every German player's highest-achieved puzzle rating with their current rapid chess rating (description in comments) : r/chess

History of top chess players over time

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Scatterplots of the IQ scores and ELO rankings. The dashed line marks