Eli5: How are computers better at video games?

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I was watching a chess video and Deep Blue, the IBM computer, was able to beat the best Chess player in the world at the time. If we made the computer and it bases its moves off of moves already made in real life shouldn’t we be able to beat computers like any other player? This isn’t chess specific but can be for any multitude of games.

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Anonymous 0 Comments

We didn’t make the computer to base moves off of moves made in real life. It would be impossible to make a move past turn 30ish because by that point, there are more possible variations than number of games of chess ever played.

We made the computer to be able to analyze whether a position is good, bad, or neutral, and evaluate that for the possible moves the computer can make, and then evaluate from that the possible moves it might be able to make from there. And so on.

As for the general current state of AI in games, computers have some advantages to us, and some disadvantages. A major advantage is the ability to react to stimuli instantly, while a human needs about .1 seconds. A disadvantage is that in chaotic gamestates, it becomes difficult for a computer to evaluate all possible actions, when for a human, it can become intuitive to choose a better than average option. So for each specific game, you have to determine what matters and what doesn’t.

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