so, but that would be hard to draw.) To decide what to do, the computer looks at this tree and works upward from the bottom. Its calculations are set up so that it finds the best board positions from each of the possible positions black will take (it takes the maximum): One level up, it assumes that black will choose the worst possible position for white (it takes the minimum): Finally, Weber City dial up, Weber City, VA up dial Weber CityWeber City up, dial Virginia, Weber City dial up
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