A black chess player about to win against a light-skinned cleric. Chess problem 88 in the Libro de axedrez, dados e tablas (Seville, 1283). However, recent reexaminations of medieval artwork are ...

As you may have seen earlier, my colleague Joe Weisenthal found a fascinating chess puzzle posted on eminent chess expert Susan Polgar's blog. The problem was solved in a fascinating way. In the ...

Medieval manuscripts, paintings and chess sets reveal that the so-called "game of kings" defied social structures and racial attitudes by celebrating the intellectual prowess of winners irrespective ...

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 ...

If you have a few chess sets at home, try the following exercise: Arrange eight queens on a board so that none of them are attacking each other. If you succeed once, can you find a second arrangement?

On a grim New York Monday in November, a small crowd clustered in a dark room with a thick pane of glass at one end. Defending world chess champion Magnus Carlsen and challenger Sergey Karjakin sat on ...

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 ...

University of Nottingham provides funding as a founding partner of The Conversation UK. Take a set of chess pieces and throw them all away except for one knight. Place the knight on any one of the 64 ...