Duolingo's Chess course bring free lessons and competitive play to mobile-first markets.

Board games cover a lot of ground; they can be as simple as checkers, or as complex as Monopoly. They can even revolve around the collection of cards, such as in Magic the Gathering. Ironically, many ...

The game of chess has long been central to computer science and AI-related research, most notably in IBM’s Deep Blue in the 1990s and, more recently, AlphaZero. But the game is about more than ...