Chess Grandmaster David Smerdon (PhD, Economics) noticed a similar correlation with chess too: https://en.chessbase.com/post/the-best-and-worst-countries-to-be-

Chess Grandmaster David Smerdon (PhD, Economics) noticed a similar correlation with chess too: https://en.chessbase.com/post/the-best-and-worst-countries-to-be-a-female-chess-player https://en.chessbase.com/post/the-best-and-worst-countries-t...