Author: Jason Williamson
Date: 09:20:50 04/11/00
Go up one level in this thread
On April 11, 2000 at 09:33:23, Robert Hyatt wrote: >On April 11, 2000 at 03:09:32, Jouni Uski wrote: > >>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 > > >Check the contents of the CDs against my ftp site, directories three, four >and five. No way that will fit on 10 CDs unless someone has found a new way >to cram > 750mb into an ISO9660 filesystem that will fit on one CD. Some are >obviously omitted. Overburn em. You can get about 800 megs on a 80 minute cd with about a 75-80% chance of not making a coaster if your software and burner are decent quality.
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