Author: Robert Hyatt
Date: 08:20:39 10/08/97
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On October 08, 1997 at 04:12:44, Ed Schröder wrote: >>Hi, > >>Is Rebel9 very smart in playing endgame without using tablebase? > >Of course :)) > >>I hope Ed Schroder will answer the question above, and I will >>appreciate it very much. > >Sofar I haven't looked at the famous table bases. From what I understood >is that it will slow down the search with 50% if you want to use the >full >table bases in the end game at *every* node. > >Perhaps a few table base experts can comment this? > >Do Ferret / Crafty limit the table bases to a certain depth in the >search? > > >>Thank you, >>Eran >>Rebel8 End User > >Satisfied Rebel9 End User :)) > >- Ed - > > > >>P.S. tablebase is a database of endgames only. I probe them in the normal search, but not in the quiescence search. And I only probe after a capture that takes me to the right number of pieces for a hit (I use all 3/4 piece endings, plus KRP,KRN, KRB, KRR and KQR (all vs KR) 5 piece endings. I rarely see a 50% slowdown, if ever. But I see some remarkable endgames. I've seen at least one mate in 50 announced so far, and KRP vs KR (which most programs play badly) becomes a snap.
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