Chess is "one of those things that … any age group can learn … but then also something that takes the 10,000-hour theory to really master," Edwin Bodge, a senior product manager with Duolingo ...

A knight and a bishop have equal value, just as in the UK House of Lords; a rook, symbolizing) the heavy armored divisions of ...

The Actual Chess Endgame in the Harry ... Ron is the Knight on g5, and Hermione is the Rook on f8. Black has lost his Queen, but he has a strong attack against the White King.

Chess lessons feel similar to other Duolingo lessons. When you start, Duolingo asks how much you already know about chess, ... like your knight or rook, in four moves or fewer.

A knight and a bishop have equal value, just as in the UK House of Lords; a rook, symbolizing the heavy armored divisions of the ancient cultures who originally invented the game, outguns both.