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Puzzle #245: Can you win at tic-tac-toe’s ancient precursor?

Can you solve this week’s logic puzzle, Three men’s morris? Plus the answer to puzzle #244

25 October 2023

New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

#245 Three men’s morris

Set by Rob Eastaway

The game of three men’s morris was invented hundreds of years ago. It was eventually superseded by noughts and crosses, or tic-tac-toe.

To play, you draw a grid. Each player has three counters, and the aim is to get three of your colour in a row, column or diagonal. The players take it in turn to place a piece on a junction. If there isn’t a winner after all the pieces have been placed, you can slide one of your pieces to an adjacent empty junction on your next move. So, in…

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