Author: Arndra L. Sharp
Date: 14:22:09 04/10/00
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On April 10, 2000 at 15:52:18, Robert Hyatt wrote: >On April 10, 2000 at 11:20:51, Arndra L. Sharp wrote: > >>First of all let me state that I am not a programmer, just someone who enjoys >>computer chess immensely. I have seen a lot of posts that put down the Endgame >>Turbo disks because they do not contain all of the TBs, in particular those TBs >>after the pawn queens. I think it a good idea to reduce the hard drive space >>required for TBs by pruning those TBs that any good chess program can figure out >>if its brain was not disabled. It seems the real problem is that those programs >>that use TBs turn off the permanent brain once the program is in a TB position >>and then the program gets confused if after a pawn queens and the now simple win >>(for good chess programs) is not in the TB folder. This is something that the >>programmers probably did not anticipate originally everyone has seen games where >>this impacts the result. Now that this has been identified, why can't the >>programmers tell their programs to follow the TB tree to pawn promotion and >>reset the permanent brain at that point. Many people have reported that the >>programs that blunder with missing 5 man TBs play the same ending fine with 3 >>and 4 man TBs. It just seems that the programs don't know how to think again >>after they start down a tree and the tree ends before checkmate. A bug fix by >>the programmers would be more preferable than taking up another 5 gigs of hard >>drive space. >> >>Arndra > > >Crafty does this correctly. But with the price of disk drives, holding all the >3-4-5 piece files is now trivial... 40 gigs for 250 bucks is typical now. You >only need 8 gigs for _all_ the 3-4-5 piece files (compressed). Does anyone sell all the TBs on CDs? Surely everyone who has them is not generating them with the program that comes with the 32-bit Chessbase programs. That would take several weeks and a memory ladened machine; I can't imagine downloading 8 gig either.
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