Author: blass uri
Date: 03:25:51 03/25/99
Go up one level in this thread
On March 25, 1999 at 06:02:56, Dave Gomboc wrote: >On March 25, 1999 at 00:19:38, blass uri wrote: > >[snip] > >>Here are some wrong assumptions that explain errors for my Fritz5(16 bit): >> >>assumption 1:KRP vs KR cannot be a win for the weaker side.(There is no problem >>of this assumption for KQP vs KQ) >>assumption 2:KQ vs KRP cannot be a win for the weaker side. >>assumption 3:KQX vs KQ when X is not a pawn is a draw unless X is a rook. >>assumption 4:KQR vs KQ cannot be a win for the weaker side. >> >>Uri > >Regarding KQP vs KQ: > >White: Kh6, Qc7, Ph7 >Black: Kg4, Qa6 (to play) I guess that you mean Qb5 and the tablebases show the mate. >1...Qg5# would win for the "weaker" side. > >If they only probe the tablebases at the root of the tree, I can imagine your >suggestion of doing a short search before and after working. If they probe >within the search like Crafty does, the overhead might be too significant. They only probe at the root Uri
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