Why is the chess elo rating distribution bimodal? - Quora

What is Elo (rating)? - Quora

What is Elo (rating)? - Quora

What is the meaning of ELO in chess (have read the basics in Wiki)? Why not we have basic score points like numbers or grades? - Quora

statistics - Distribution of Elo ratings - Chess Stack Exchange

What is the range of FIDE/ELO scores where most chess players are found? What is the median (not average) FIDE/ELO score? - Quora

How do chess ratings work? - Quora

What was Deep Blue's Elo rating? - Quora

Is the FIDE Elo Chess rating logarithmic or linear? - Quora

Math question about the ELO system : r/chess