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  • The Beautiful Game of Ultimate Tic-Tac-Toe

    I love your description of the game! There is one problem though - step 4 describes a rule variation that is no longer in use. There is a reason that rule variation is not used anymore -- if you play using that variation there is an easy strategy that lets the first player always win the game. The rule variation that is used instead is "if your opponent sends you to a local board that has already been won (even if there are open spaces remaining on that local board) you can play on any local board that has not been completed (won or tied) yet." With this variation of the rule there is no known strategy to win or tie the game. That makes the game much more complicated and enjoyable! I wrote an android app for the game that you can check out here https://play.google.com/store/ap…

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    I love your description of the game! There is one problem though - step 4 describes a rule variation that is no longer in use. There is a reason that rule variation is not used anymore -- if you play using that variation there is an easy strategy that lets the first player always win the game. The rule variation that is used instead is "if your opponent sends you to a local board that has already been won (even if there are open spaces remaining on that local board) you can play on any local board that has not been completed (won or tied) yet." With this variation of the rule there is no known strategy to win or tie the game. That makes the game much more complicated and enjoyable! I wrote an android app for the game that you can check out here https://play.google.com/store/apps/details?id=com.paperandpencilgames.ultimatetictactoe

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