Tic-tac-toe (or “Noughts and Crosses”) is a game simple enough to implement in any computer system: indeed it’s often used in beginner’s programming courses. A more challenging project ...

Tic tac toe is a classic game. It can be played virtually anywhere and on anything, from a bar napkin to a computer screen to a chic wooden set. When you’re the first one up, there is a simple ...

If you know what a group is in the mathematical sense: how do you find the symmetry group of a given a tic tac toe board position? In Pac-Man, you’ve probably noticed that if you run off the ...