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Describes variants on the game.
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Analysis of variant that allows anti-play.
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Game variations, looking from the mathematical side
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A simple explanation of how to play.
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Article on the game's history.
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Rules, variations, strategy, theory and practice. Includes an online version of the game.
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Details a step-by-step process that allows the first player to win or draw, but never lose.
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Description of a strategy against a member of the group that allows one to win or to draw.
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Features explanations and the opportunity to put the advice into practice.
