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  2. File:Tictactoe-X.svg - Wikipedia

    en.wikipedia.org/wiki/File:Tictactoe-X.svg

    In other projects Appearance. move to ... Optimal decision tree for player X in Tic-Tac-Toe. ... Code changes: added IDs to all elements. 08:47, 13 December 2010 ...

  3. Tic-tac-toe - Wikipedia

    en.wikipedia.org/wiki/Tic-tac-toe

    Tic-tac-toe A completed game of tic-tac-toe Other names Noughts and Crosses Xs and Os Genres Paper-and-pencil game Players 2 Setup time Minimal Playing time ~1 minute Chance None Skills Strategy, tactics, observation Tic-tac-toe (American English), noughts and crosses (Commonwealth English), or Xs and Os (Canadian or Irish English) is a paper-and-pencil game for two players who take turns ...

  4. Monte Carlo tree search - Wikipedia

    en.wikipedia.org/wiki/Monte_Carlo_tree_search

    The rating of best Go-playing programs on the KGS server since 2007. Since 2006, all the best programs use Monte Carlo tree search. [14]In 2006, inspired by its predecessors, [15] Rémi Coulom described the application of the Monte Carlo method to game-tree search and coined the name Monte Carlo tree search, [16] L. Kocsis and Cs.

  5. Negamax - Wikipedia

    en.wikipedia.org/wiki/Negamax

    Negamax search is a variant form of minimax search that relies on the zero-sum property of a two-player game.. This algorithm relies on the fact that ⁠ (,) = (,) ⁠ to simplify the implementation of the minimax algorithm.

  6. Tic-tac-toe variants - Wikipedia

    en.wikipedia.org/wiki/Tic-tac-toe_variants

    In wild tic-tac-toe, players can choose to place either an X or O on each move. [7] [39] [40] [41] It can be played as a normal game where the player who makes three in a row wins or a misere game where they would lose. [7] This game is also called your-choice tic-tac-toe [42] or Devil's tic-tac-toe. [citation needed]

  7. Alpha–beta pruning - Wikipedia

    en.wikipedia.org/wiki/Alpha–beta_pruning

    Alpha–beta pruning is a search algorithm that seeks to decrease the number of nodes that are evaluated by the minimax algorithm in its search tree.It is an adversarial search algorithm used commonly for machine playing of two-player combinatorial games (Tic-tac-toe, Chess, Connect 4, etc.).

  8. Breadth-first search - Wikipedia

    en.wikipedia.org/wiki/Breadth-first_search

    Animated example of a breadth-first search. Black: explored, grey: queued to be explored later on BFS on Maze-solving algorithm Top part of Tic-tac-toe game tree. Breadth-first search (BFS) is an algorithm for searching a tree data structure for a node that satisfies a given property.

  9. Endgame tablebase - Wikipedia

    en.wikipedia.org/wiki/Endgame_tablebase

    Strong solutions, i.e. algorithms that can produce perfect play from any position, [8] are known for some simple games such as Tic Tac Toe/Noughts and crosses (draw with perfect play) and Connect Four (first player wins).