Author: Robert Hyatt
Date: 08:09:59 08/27/99
Go up one level in this thread
On August 27, 1999 at 01:54:24, blass uri wrote: > >On August 27, 1999 at 00:06:25, Robert Hyatt wrote: > >>On August 26, 1999 at 20:21:04, Mark Rawlings wrote: >> >>>I _finally_ got all of the 5-piece tablebases to use with Crafty and Winboard! >>>These things are great for analyzing endgames. Still waiting for the 6-piece >>>files to be posted :) >>> >>>Anyway, what is a "successful" tablebase probe? I thought when you have the >>>whole set, all probes were successful? Thanks, >>> >>>Mark >> >> >>Note that you don't have the "whole set" because we didn't build the 4 vs 1 >>piece files. You can, but they take up a whole lot more space, and I don't >>think crafty needs those to win the positions.. :) > >There are some 3 vs 2 tablebases that crafty does not need to win the position. > >For example KQRvs KP,KQR vs KN > >Uri There are many that it doesn't need... (KQ vs KR is another) however without all of them, the search definitely gets confused. And it is much better to _know_ when you are exchanging into a won ending, rather than into an ending you think you can win but can't... We will have to do the 4 vs 1 files before we get to the 3 vs 3 files, which are not too far into the future now. So one day we will have all the 5's and a bunch of the 6's...
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