Questions tagged [combinatorial-games]

Use for games commonly understood as combinatorial (Chess, Checkers, Go, Tic-Tac-Toe, Hex, Domineering, NIM, etc.) or for any games studied for the purpose of **solving** the game. *(Initially reserved for non-chance games of perfect information, the scope of Combinatorial Game Theory expands as mathematics and computability advance. Thus, game involving randomness and hidden information, such as Poker, may be considered combinatorial games.)*

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8
votes
3answers
2k views

How to represent Tic-Tac-Toe vs Checkers or Chess for a Neural Network

I've been reading a lot about TD-Gammon recently as I'm exploring options for AI in a video-game I'm making. The video game is a turn-based positional sort of game, i.e. a "units", or game piece's, ...
6
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4answers
3k views

What else can boost iterative deepening with alpha-beta pruning?

I read about minimax, then alpha-beta pruning, and then about iterative deepening. Iterative deepening coupled with alpha-beta pruning proves to quite efficient as compared to alpha-beta alone. I have ...
4
votes
1answer
561 views

How would you encode your input vector/matrix from a sequence of moves in game like tasks to train an AI? e.g. Chess AI?

I've seen data sets for classification / regressions tasks in domains such as credit default detection, object identification in an image, stock price prediction etc. All of these data sets could ...
1
vote
1answer
515 views

Why isn't my Q-Learning agent able to play tic-tac-toe?

I tried to build a Q-learning agent which you can play tic tac toe against after training. Unfortunately, the agent performs pretty poorly. He tries to win but does not try to make me 'not winning' ...
2
votes
1answer
138 views

What will Q-values look like in self-play tic-tac-toe?

This corresponds to Exercise 1.1 of RLBook, and a discussion followed from here. Considering two reward schemes- Win = +1, Draw = 0, Loss = -1 Win = +1, Draw or Loss = 0 Can we say something about ...
0
votes
5answers
845 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 ...