Duolingo launched a beta version of a chess course on Tuesday ... Duolingo is a language-learning mobile app that uses game-like lessons to teach more than 40 languages, mathematics and music.

There are over 75 games to choose from, including chess and crossword games to more popular casual mobile titles like Angry ...

Chess is a two-player board game that begins with each player controlling 16 pieces. Chess game tests your tactical skills. The goal of every chess game is to checkmate the opponent’s king.

Of those 200 million members, 1.5 million are paying users. More than 20 million games of chess are played every day on the platform. “[Chess has] got this durability to it,” Albert Cheng ...