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Description

Tic-tac-toe game written in Python3 using the pygame library and minimax algorithm.

Running the game

Make sure you have installed the pygame library

pip3 install pygame

To run the game simply do

python3 main.py

Controls

LMB - move to position
R - restart the game when ended

The minimax algorithm

In turn based games each player desires to pick the move that gives them an advantage. Each available move has a value associated with it, therefore there is a player that is maximizing and one that is minimizing. The algorithm goes back and forth between the two players, where the maximizing player is trying to pick the move with the maximum score, but the score for each available move is determined by the minimizing player trying to pick the move with the minimum score. This repeats until there's no more available moves or once an end state is reached.

Screenshots

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