Questions tagged [game-ai]

For questions related to game design involving AI.

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22
votes
4answers
6k views

How to handle invalid moves in reinforcement learning?

I want to create an AI which can play five-in-a-row/gomoku. As I mentioned in the title, I want to use reinforcement learning for this. I use policy gradient method, namely REINFORCE, with baseline. ...
0
votes
7answers
469 views

Can an AI learn how to play chess without instructions?

Can an AI learn to play chess if you give it nothing but "the goal is to win" as starting criteria? If not, what is the minimum information the AI would need to be "seeded" with in order to learn to ...
14
votes
3answers
5k views

How do I choose the best algorithm for a board game like checkers?

How do I choose the best algorithm for a board game like checkers? So far, I have considered only three algorithms, namely, minimax, alpha-beta pruning, and Monte Carlo tree search (MCTS). Apparently,...
7
votes
2answers
2k views

What's the difference between Starcraft and Dota from an AI perspective?

So, Deepmind is pushing for a human level Starcraft bot and Open AI just created a human level 1vs1 Dota bot. Unfortunately, I've no clue what that signifies because I've never played Starcraft nor ...
2
votes
2answers
161 views

Can anyone suggest a small application based on an Artificial Intelligence which can be done by a beginner in AI?

Any small application based on real world application of AI which can be done easily at home for a beginner who is trying to make use of his basic programming skills into AI at the beginning level.
9
votes
3answers
514 views

Does Monte Carlo tree search qualify as machine learning?

To the best of my understanding, the Monte Carlo tree search (MCTS) algorithm is an alternative to minimax for searching a tree of nodes. It works by choosing a move (generally, the one with the ...
6
votes
1answer
109 views

When does the selection phase exactly end in MCTS?

All sources I can find provide a similar explanation to each phase. In the Selection Phase, we start at the root and choose child nodes until reaching a leaf. Once the leaf is reached (assuming the ...
5
votes
1answer
84 views

What is the appropriate approach to playing a game with incomplete state information?

I have a steady hex-map and turn-based war game featuring WWII carrier battles. I would like to improve the fixed policy for the AI using reinforcement learning. I have some beginner's questions, ...
5
votes
1answer
399 views

Game AI - Fast python OCR or cropped image input

I'm developing a Game AI which tries to master racing simulations. I already trained a CNN (alexnet) on ingame footage of me playing the game and the pressed keys as the target. As the CNN is only ...
4
votes
1answer
224 views

Any interesting ways to combine Monte Carlo tree search with the minimax algorithm?

I've been working on a game-playing engine for about half a year now, and it uses the well known algorithms. These include minimax with alpha-beta pruning, iterative deepening, transposition tables, ...
3
votes
3answers
407 views

AI in dota2 vs AI in starcraft

I am just curious what AI would be harder to create from a strictly engineering point of view. AI which would win 1vs 1 game with the best player in starcraft or AI which would control a team the ...
1
vote
1answer
404 views

What was the average decision speed pf Alpha Zero in the recent Stockfish match?

The match got a lot of press, and I doubt anyone is surprised that Alpha Zero crushed Stockfish. See: AlphaZero Destroys Stockfish in 100 Game Match To me, what's really salient is that "much like ...