board position, a five-level tree contains 3,200,000 board positions. A 10-level tree contains about 10,000,000,000,000 (10 trillion) positions. The depth of the tree that a computer can calculate is controlled by the speed of the computer playing the game. The fastest chess computers can generate and evaluate millions of board positions per second. Once it generates the tree, then the computer needs to "evaluate the board positions." That is, the computer New York fast dialup, New York, NY dialup fast New YorkNew York dialup, fast New York, New York fast dialup
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