Author: Dann Corbit
Date: 09:46:26 05/21/99
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On May 21, 1999 at 01:26:16, J. Wesley Cleveland wrote: [snip] >>1,000,000,000,000,000,000,000,000,000,000 board positions. There are >>31,536,000,000 seconds in a millenium. That is 31,709,791,983,760,000,000 >>positions per second. I think that we'll find Martians before that happens. > >With alpha-beta, we may need to look at about the square root of that number or >10^15 poaitions. At the 200,000,000 positions/second claimed for Deep Blue, it >would take only about 2 months. I think, though, that 10^40 is closer to the >true number of positions, which would take a couple millenia. Besides which, at this point, I'm not trying to compute them ... only to count them. I think I can say with confidence that right now, nobody really knows the actual number of board positions that are legal and possible.
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