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Asked by CaptainWingo 34 months ago ( Send a Compliment)

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This is a derivative of tic-tac-toe where each square in the regular 3x3 tic-tac-toe grid is made up of its own little tic-tac-toe grid. In order to win a square, you have to win one of the inner games. To beat the game, you have win three squares in a line. On the first move the first player makes one mark, but after that, each person takes turns making two marks at a time. This last rule is what makes the game much more interesting than boring old tic-tac-toe.

I read that this game was analyzed in the "Journal of Mathematical Recreations", but my library doesn't carry this journal and I can't find anything on Google. Does anybody have any info on this game?


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Hightest Level: 2 by Mith on Jan 19 2007 (34 months ago)
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According to wikipedia:
"In nine board tic-tac-toe nine tic-tac-toe boards are themselves arranged in a 3×3 grid. The first player's move may go on any board; all moves afterwards are placed in the empty spaces on the board corresponding to the square of the previous move (that is, if a move were in the upper-left square of a board, the next move would take place on the upper-left board). If a player can't move because the indicated board is full, the next move may go on any board. Victory is attained by getting 3 in a row on any board. This makes the game considerably longer and more involved than tic-tac-toe, with a definite opening, middle game and endgame. "
http://en.wikipedia.org/wiki/Tic-tac-toe
This page has a lot on different types of tic-tac-toe

You can find the On-line Journal for Mathematical Recreations at
http://www.gpj.connectfree.co.uk/index.htm

I don't know which issue covers the game you described.
Sources: http://en.wikipedia.org/wiki/Tic-tac-toe
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