• In combinatorial game theory, the SpragueGrundy theorem states that every impartial game under the normal play convention is equivalent to a one-heap...
    20 KB (3,353 words) - 17:19, 15 August 2023
  • no piles or a Hackenbush diagram with nothing drawn on it. The SpragueGrundy theorem applies to impartial games (in which each move may be played by...
    2 KB (277 words) - 15:08, 25 February 2023
  • Thumbnail for Nim
    Nim (section Grundy's game)
    last object or to take the last object. Nim is fundamental to the SpragueGrundy theorem, which essentially says that every impartial game is equivalent...
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  • theory to assign nim-values to impartial games. According to the SpragueGrundy theorem, the nim-value of a game position is the minimum excluded value...
    5 KB (740 words) - 21:18, 29 August 2023
  • from ordinal addition and ordinal multiplication. Because of the SpragueGrundy theorem which states that every impartial game is equivalent to a Nim heap...
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    successful landing and must be careful not to block themself. Hales–Jewett theorem m,n,k-game Number Scrabble Garcia, Dan. "GamesCrafters: Tic-Tac-Toe". gamescrafters...
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    has no moves left and loses The game can be analysed using the SpragueGrundy theorem. This requires the heap sizes in the game to be mapped onto equivalent...
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  • games are more difficult to analyze than impartial games, as the SpragueGrundy theorem does not apply. However, the application of combinatorial game theory...
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  • Roland Percival Sprague (11 July 1894, Unterliederbach – 1 August 1967) was a German mathematician, known for the SpragueGrundy theorem and for being the...
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  • Thumbnail for Cram (game)
    the SpragueGrundy theorem indicates that in the normal version any Cram position is equivalent to a nim-heap of a given size, also called the Grundy value...
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    through a formal application of Bayes' theorem; among them books by Gill and Henze. Use of the odds form of Bayes' theorem, often called Bayes' rule, makes...
    79 KB (9,895 words) - 05:35, 3 May 2024
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    which means that a player who cannot move loses. In the 1930s, the SpragueGrundy theorem showed that all impartial games are equivalent to heaps in Nim,...
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  • theory) Sperner's theorem (combinatorics) Sphere theorem (Riemannian geometry) Spin–statistics theorem (physics) SpragueGrundy theorem (combinatorial game...
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  • co-discoverers of the SpragueGrundy function and its application to the analysis of a wide class of combinatorial games. Grundy received his secondary...
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  • they rely on chance. Impartial games can be analyzed using the SpragueGrundy theorem, stating that every impartial game under the normal play convention...
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  • quotient is a commutative monoid that generalizes and localizes the SpragueGrundy theorem for a specific game's rule set. In the specific case of misere-play...
    8 KB (1,078 words) - 12:35, 18 November 2019
  • snort. The development includes their scoring, a review of the SpragueGrundy theorem, and the inter-relationships to numbers, including their relationship...
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  • Negamax theorem Purification theorem Revelation principle SpragueGrundy theorem Zermelo's theorem Key figures Albert W. Tucker Amos Tversky Antoine Augustin...
    13 KB (1,574 words) - 16:02, 27 February 2024
  • SpragueGrundy theorem, every position in a poset game has a Grundy value, a number describing an equivalent position in the game of Nim. The Grundy value...
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  • Thumbnail for Hackenbush
    comparatively straightforward to give a complete analysis using the SpragueGrundy theorem. Thus the versions of Hackenbush of interest in combinatorial game...
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    Negamax theorem Purification theorem Revelation principle SpragueGrundy theorem Zermelo's theorem Key figures Albert W. Tucker Amos Tversky Antoine Augustin...
    18 KB (2,933 words) - 16:40, 29 March 2024
  • for the SpragueGrundy theorem Paul Grundy (engineer) (1935–2013), Australian engineer Rebecca Grundy (born 1990), English cricketer Reg Grundy (1923–2016)...
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    information games, making it also analyzable by Nim because of the SpragueGrundy theorem. For any rectangular starting position, other than 1×1, the first...
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  • Negamax theorem Purification theorem Revelation principle SpragueGrundy theorem Zermelo's theorem Key figures Albert W. Tucker Amos Tversky Antoine Augustin...
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  • piles whose nim-sum is zero, and this strategy is central to the SpragueGrundy theorem of optimal play in impartial games. However, when playing only with...
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  • games per turn. It is the fundamental operation that is used in the SpragueGrundy theorem for impartial games and which led to the field of combinatorial...
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    results in a completely different game that can be analyzed with the SpragueGrundy theorem. Blockbusting (game) A combinatorial game whose analysis has been...
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    n {\displaystyle K_{n}} ; it is a nimber, not a number. By the SpragueGrundy theorem, K n {\displaystyle K_{n}} is the mex over all possible moves of...
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  • This fact—that all closed games are determined—is called the Gale–Stewart theorem. Note that by symmetry, all open games are determined as well. (A game...
    29 KB (4,059 words) - 05:03, 23 October 2023
  • publication of the SpragueGrundy theorem, the basis for much of combinatorial game theory, later independently rediscovered by P. M. Grundy. Weiszfeld, E...
    5 KB (392 words) - 10:58, 22 December 2023