then black has 20 or so moves it can make, and so on. This is how a computer looks at chess. It thinks about it in a world of "all possible moves," and it makes a big tree for all of those moves, like this: In this tree, there are 20 possible moves for white. There are 20 * 20 = 400 possible moves for black, depending on what white does. Catskill dial up internet, Catskill, NY up internet dial CatskillCatskill up internet, dial New York, Catskill dial up internet
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