Maybe you'd also find it interesting that Iceland holds the highest ratio https://en.wikipedia.org/wiki/List_of_world_records_in_chess#Greatest_concentration_o

Maybe you'd also find it interesting that Iceland holds the highest ratio https://en.wikipedia.org/wiki/List_of_world_records_in_chess#Greatest_concentration_of_resident_grandmasters https://en.wikipedia.org/wiki/List_of_world_records_in_chess...