Chess has recently been enjoying a spike in popularity. This is predominantly thanks to the Netflix series Queen's Gambit, as well as the rise of chess streamers and chess competitions on Twitch that ...

Euclidean geometry is the kind you were taught at school, the world of sines and cosines, and the square on the hypotenuse ...

The bad news is that there is no single solution to Rule 16. There’s not even a daily solution, the puzzle will be different each time you play the game. So you’re going to have to do one of two ...

Corrected: A previous version of this article referenced the International Chess Federation acronym as ICF. The acronym is FIDE. There are 25 million kids worldwide who play chess competitively, ...