Noughts and Crosses | Territory Games

Players take turns in marking squares on a 3 x 3 grid. The first player to get three squares in a row wins.

Description

This game, also called Ticktacktoe in the USA, is probably the best known pencil and paper game.
The game is played on a 3 x 3 grid, typically created by drawing a # on a piece of paper. One player is 'O' and the other is 'X'. Players take turns in drawing their symbol in one of the positions on the grid. The first player to make a line of three of their symbol horizontally, vertically, or diagonally wins.
If both players play perfectly the outcome is always a draw, but with inexperienced players the game is just complex enough to make the game interesting.

Example

For example, the following game shows how the first player can force a win by starting in the centre square if the second player is foolish enough to reply on the edge:


Example

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