the best country in chess



Probably Russia While Russia has historically held the most chess Grandmaster titles, the country with the most chess players

With Nepo dropping out of the top 10 on the FIDE rating list, it was the first time in history of FIDE that Russia did not have a top 10 player in classical.
Currently based on the top players on the FIDE rating list, I would say India and the USA are top for men, while China and India are top for women.