Imagine a chessboard where the pieces move on their own, gliding across the squares with mechanical precision, as if guided by an invisible hand. It might sound like a scene from a futuristic movie, ...

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 ...

Pragg’s 39th move mistake gave him a lost position, while Dubov’s reply — sacrificing queen — gave the Indian GM the chance ...