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  2. How to Win Tic-Tac-Toe: The Strategies You Need to Master - AOL

    www.aol.com/win-tic-tac-toe-strategies-190027489...

    Tic tac toe is a classic game. How to win tic tac toe requires strategic thinking and planning to win the game or force a draw. When you’re the first one up, there is a simple strategy on how to ...

  3. Ultimate tic-tac-toe - Wikipedia

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

    Ultimate tic-tac-toe (also known as UTT, super tic-tac-toe, meta tic-tac-toe or (tic-tac-toe)² [1]) is a board game composed of nine tic-tac-toe boards arranged in a 3 × 3 grid. [2] [3] Players take turns playing on the smaller tic-tac-toe boards until one of them wins on the larger board. Compared to traditional tic-tac-toe, strategy in this ...

  4. First-player and second-player win - Wikipedia

    en.wikipedia.org/wiki/First-player_and_second...

    Diagram showing optimal strategy for tic-tac-toe.With perfect play, and from any initial move, both players can always force a draw. In combinatorial game theory, a two-player deterministic perfect information turn-based game is a first-player-win if with perfect play the first player to move can always force a win.

  5. Strategy-stealing argument - Wikipedia

    en.wikipedia.org/wiki/Strategy-stealing_argument

    A strategy-stealing argument can be used on the example of the game of tic-tac-toe, for a board and winning rows of any size. [2] [3] Suppose that the second player (P2) is using a strategy S which guarantees a win. The first player (P1) places an X in an arbitrary position. P2 responds by placing an O according to S.

  6. 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 ...

  7. Pairing strategy - Wikipedia

    en.wikipedia.org/wiki/Pairing_strategy

    An example of such pairing-strategy for 5-by-5 tic-tac-toe is shown above. [1]: 2–3 show other examples for 4x4 and 6x6 tic-tac-toe. Another simple case when Breaker has a pairing-strategy is when all winning-sets are pairwise-disjoint and their size is at least 2.

  8. Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.

  9. Strong positional game - Wikipedia

    en.wikipedia.org/wiki/Strong_positional_game

    Hence, every winning-strategy of First in a strong-positional game is also a winning-strategy of Maker in the corresponding maker-breaker game. The opposite is not true. For example, in the maker-breaker variant of Tic-Tac-Toe, Maker has a winning strategy, but in its strong-positional (classic) variant, Second has a drawing strategy. [2]