It’s worth knowing whether you’re just playing a game you like — or maybe also improving your brain chemistry.

Pandemic boredom and a Netflix mini-series, “The Queen’s Gambit,” added to the game’s sudden popularity. But Chess.com was also plotting its own moves. Danny Rensch, left, chief chess officer of Chess ...

Forbes contributors publish independent expert analyses and insights. Barry Collins is a tech journalist writing about PCs, Macs and games. Online chess has exploded in popularity since the Netflix ...