Noughts and crosses, or tic-tac-toe, is a simple game – but twist the rules and you can really spice it up, says Peter ...

MENACE, the Matchbox Educable Noughts And Crosses Engine, is a fancy name for a machine that plays Tic-Tac-Toe. The concept is ... from each box used. This way the machine cannot make the exact ...

But whereas tic-tac-toe is played on a tiny grid consisting ... Fortunately, there are around 2 trillion ways to win as well, ...