The platform’s new chess course will use short puzzles, such as moving a knight to the correct spot to practice its L-shaped movement or checkmating a king that’s stuck in a corner ...

Jeffrey Parkin (he/him) has been writing video game guides for Polygon for almost seven years. He has learned to love just about every genre of game that exists. Our Blue Prince guide will show ...

Next, you need to draft the Tomb as your Outer Room. You’ve probably already been here to solve the Tomb puzzle and gain access to the Reservoir. This time, though, you’re looking for pairs of ...

Oscar will be your toughest challenge on Duolingo's new chess subject. Images: Courtesy of Duolingo ...