A popular chess problem known as the Queen’s Puzzle has captivated mathematicians and computer scientists for years, yet no one has been able to write a computer program that can solve the conundrum ...

The above picture shows a chessboard with two queens placed on it. As the queens do not share the same row, column or diagonal of the chessboard they are not attacking each other. Can you place ...

I have three chess puzzles for you this week, but you don’t need to know the rules of chess for two of them. These two are variants of the famous eight queens puzzle, which asks solvers to position ...

Have a good mind for computational problem-solving? Fancy netting a cool $1 million for your efforts? Then the University of St. Andrews and the Clay Mathematics Institute sure have the competition ...

Puzzles based on the chessboard have been popular since the medieval era, when chess itself first became widely popular. In recent times, a puzzle genre has emerged revolving around the rules of chess ...

Welcome to The Riddler. Every week, I offer up a problem related to the things we hold dear around here: math, logic and probability. These problems, puzzles and riddles come from many top-notch ...