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## 'Two Stones' printed from http://nrich.maths.org/

## Two Stones

In China this game is known as Pong hau k'i and in Korea it is called Ou-moul-ko-no.

A game for two players.

**Resources:**
A game board like the one above.

Each player needs two distinctive pieces such as two pebbles.

**To play:**
Place the two pebbles at the top and two at the bottom as shown below .

Take turns to slide one pebble along a line to an empty spot.

The first move will be to the middle.

**To win:** block your opponent so that they cannot move.

Next time you play swap start positions on the board with your opponent.

**Computer version**: you play red, computer plays blue.

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