Classic Nim

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This is a game for two people.

Start by placing 9 counters in three rows as shown in the illustration. Players take turns removing any number of counters provided they are all in the same row. The player who is forced to pick up the last counter loses.

There is a sure way for the first player to win. If the first player doesn’t make the correct move, the second player can win.

This is the classic game of Nim. It can be played with any number of counters and any number of rows.

Posted: December 11, 2007
Puzzle
Solution
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Step Through:

Circle Nim Collating the Coins
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