The course will roll out to all learners on Duolingo's iPhone app in English in the coming weeks, with broader plans to reach more users in different languages in the coming month ...

In chess as in life, people use memory as a shortcut for decision-making. That strategy can backfire when the present doesn’t resemblance the past.

Now in early testing, the Chess course marks the company’s first new subject since launching Music and Math in 2023 and brings one of the oldest games into the world of bite-sized, gamified learning.