Author: Jouni Uski
Date: 00:09:32 04/11/00
Go up one level in this thread
On April 10, 2000 at 20:18:36, Robert Hyatt wrote: >On April 10, 2000 at 17:22:09, Arndra L. Sharp wrote: > >>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. > > >Not that I know of. CDs are a poor way to distribute these things as the 8 >gig set would take almost 15 CDs... Actually just 10 CDs
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