Pittsburgh-based Duolingo announced several upgrades Tuesday to its popular learning app. The intrigue: Duolingo has moved beyond just language learning over the years — adding math, music and chess — ...

Chess. MMOs. As far as games go, they're nothing alike. But what if they were? That's the central thesis of One Million Chessboards, the brainchild of a single developer where you and hundreds of ...

I’m embarrassed to admit this in my mid-forties, but I’ve never understood chess well enough to play a full game. My son and daughter both learned how to play in elementary school. I was glad they had ...

Co-founder and CEO Erik Allebest shares the moves that helped the company come out on top—and where it goes from here.