You wouldn't think that chess players, who sit for hours on end and extend their arms only from time to time, would struggle with weight loss. But they do. Inside the very real, very bizarre metabolic phenomenon gripping chess.

"Carlsen said: “In chess, you know when you’ve done well and when you’ve done poorly, but it’s hard for me to take praise for fantasy league, when I’ve just been lucky.”"

why do gender-segregated sports leagues exist?