Play a game of tic tac toe against the computer using X and O characters.

The tic tac toe game consists of 9 squares, three rows and three columns. Play a game of tic tac toe against the computer using X and O characters.

You can win points by placing the letter X horizontally, vertically or diagonally. The scoreboard appears at the top of the screen. You have to make moves to prevent the computer from scoring points. Try to beat the computer in this way. In every move you make, think about two or three moves ahead. In this way, place the letter O in one of the boxes, calculating in your mind the combinations of all the moves that your opponent is likely to make.