Author: George Speight
Date: 18:18:57 11/03/05
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On November 03, 2005 at 20:59:11, John Merlino wrote: >On November 03, 2005 at 19:43:15, George Speight wrote: > >> >>This will obviously mean nothing to me, as it is way over my head. But a friend >>of mine asked me if I would ask this question. He is very interested to know the >>answer. Anyone with this enormous amount of knowledge, please help if you dont >>mind. He wants to know the formula which can calculate the size of 3,4,5, and 6, >>etc. tablebases. PS: TB4= 29.6mb, TB5=5,8Gb, TB6= 15,8Gb (not complete) As i >>said this is way over my head, but i promised him i would try to find out. If >>anyone can give me the formula I will send it to him. He has been helpful to me >>in the past, and i would like to help him with this if at all possible. Thanks >>very much. George > >There is no "formula" as far as I know, because compression and other factors >are involved. But a very approximate guess can be made given the currently >available data. > >Here are the numbers for the de Koning format used in Chessmaster. >TB3 = 50KB >TB4 = 23MB >TB5 = 5.7GB > >This means that you can make a reasonable guess that the (x+1)-man files will be >anywhere between 250 and 450 times larger than (x)-man files. > >I don't think that Marc Bourzutschky ever reported the total file size for all >of the 6-man files that he generated. But my guess has always been that it would >be about 2TB, as this would be 350 times the size of the 5-man files. > >jm Thanks, John As I said this is way over my head, but i passed it along to the guy who was searching for the answer. Appreciate your help. Thanks, George
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