Tic tac toe

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Tic tac toe

Tic-Tac -Toe (along with a lot of other games) involves looking ahead and trying to figure out what the person playing against you might do next.

RULES

  • The game is played on a grid that's 3 squares by 3 squares
  • You are X, your friend (or the computer in this case) is O. Players take turns putting their marks in empty squares.
  • The first player to get 3 of her marks in a row (up, down, across, or diagonally) is the winner.
  • When all 9 squares are full, the game is over. If no player has 3 marks in a row, the game ends in a tie.

Strategy

  • let say Player X goes first. Start by playing an X in any corner of the grid. Do not start by playing an X on any side or in the center.

If O takes the center:

  • Place X in the center square. O will be forced to block you.
  • Place X in the corner diagonal from your original X.
  • If O plays in any corner, you can place an X in the only remaining corner to block. You will win the game on your next turn.
  • If O plays in any side square, you will need to block. At this point both players will continue to block one another and the game will end in a draw.

If O takes a corner:

  • Place X in either open corner. O will be forced to block you on the next turn. Then place an X in the remaining corner. You will win the game on your next turn

If O takes a side square:

  • Place X in the center square. O will be forced to block you.
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