Tic Tac Toe 10×10, 100×100, 20×20. A game with a lot of different modes for you to play. There is the main game mode with two players, x and o, and a lot of modes where you can choose how many players there are, how many squares you want to play, and so on. This is a simple tic tac toe game for 2 or 3 players. The difficulty is adjustable from easy to very hard. Tic Tac Toe is a game where players take turns to mark one of the three boxes with an X or O. If a player lands on a box that is already marked with an X or O, they must leave it blank.
I recommend trying all 3 levels of difficulty in this lesson. If you are just starting and haven’t developed your skills yet, start at the Easy level. As you continue to work on the art, try the Medium and Hard levels. This will help you become more comfortable with the materials, and help you develop your skills.
Minimax Alpha Beta Pruning Algorithm takes too much time to solve Tic Tac Toe (10×10, 100×100, and tic tac toe 20×20 board)
- A minimax algorithm is an algorithm that searches the board for the best move for the current position.
- Minimax search can be used to find the optimal move for a given game state.
- The best moves are the ones that are most likely to lead to a win.
- Minimax search is generally the fastest way to find the best move.
- The alpha-beta pruning algorithm is used to speed up minimax search.
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1 Answer 1
Your code indicates that you keep making recursive calls till you win/lose or the board is full. This search could potentially visit all of the drawing positions. I would estimate that there would be around 10100 positions on a 10-by-10 board. It is close to 10158, but we must subtract all wins and losses. However, it is impossible to search in such a large number of boards, since the visible universe contains fewer atoms than that. Don’t wait to see your code complete. It won’t take you long to finish it. Two generic methods can be used to reduce the time it takes to calculate a good move.
You could set a maximum depth for your recursive search as the first action. If the depth is reached and the game continues, you can call an evaluation function. This function should assign a score to the current board without having to play more moves. It should also look at simple patterns like a three in a row and then give a final score. This is a heuristic. It is a good guess. The value should fall somewhere between losing and winning.
Limit the number of moves that you investigate for the second action. You should not leave out moves that are too far from the squares already played.
You could also create a hashtable, which is a new one after each real-played move. This stores the boards you’ve already evaluated so that you don’t have to do it again in case you get there by exchanging moves with another player in your search tree. The hashtable should also catch mirrored and turned boards. This will reduce the number of moves in the game.
You can also use other techniques such as keeping track of the best moves in your search. If a move is found in a branch of the search tree that could bring victory or prevent a loss, you can then test it in other branches. This may result in quick pruning using the alpha-beta system. It is important to view your moves in order of quality. You can’t tell how good a movie is until it’s analyzed, but there are certain static aspects you can notice about moves. One move in one corner is not necessarily as good as another in the middle, etc.
There are several ways to search. You can do a 1-depth search, then use the evaluation result to sort the moves. Next, a 2-depth search will be done. The results are used to sort the moves by the more accurate result. Although it may seem like a lot of work this alpha-beta pruning can provide the greatest benefit when moves have been ordered optimally. This will also be an important factor in overall efficiency
Tic Tac Toe 3×3, 5×5, 7×7
The game is very simple and easy to learn. Just press the button to start the game, then you can choose between playing against the computer or another player. Once you’ve made your choice, press the start button again and the game will begin.
Giant Tic Tac Toe
You can play on the computer or with a friend. It’s a free app with no ads. This is a game where you choose to use X or 0 and then players take turns to place their signs one by one on the board. The trick with all of this is that you have 10×10, 5×5, and the regular 3×3 fields. So there’s a lot of creativity involved and you can choose to challenge yourself if you want.