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Noughts and Crosses (Posted on 2004-09-16) Difficulty: 3 of 5
This game starts with some noughts and some crosses. You and your opponent take turns removing two shapes, and adding a new one according to this rule: if the shapes are identical, add a nought; otherwise, add a cross. When only one shape remains, you win if it's a nought, and lose if it's a cross.

Is there a winning strategy for any of the players? How should you play?

See The Solution Submitted by Federico Kereki    
Rating: 2.7500 (4 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
SolutionSolutionme2008-03-23 04:46:52
Some ThoughtsThis problem was enjoyable.chris2005-03-13 06:40:03
SolutionSolution?chris2005-03-13 06:36:55
re(2): SolutionDavid Shin2004-09-16 09:03:27
re: SolutionCharlie2004-09-16 08:58:39
SolutionSolutionDavid Shin2004-09-16 08:35:50
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