Author: blass uri
Date: 15:27:41 06/17/99
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On June 17, 1999 at 17:58:22, James T. Walker wrote: <snipped> >By the way Hiarcs >turned at least one win into a draw because of the tablebases. It was a KPPKP >endgame which is supplied with the Hiarcs CD. The problem is there is no KQPKP >tablebase so when Hiarcs got the pawn to the 2nd rank (With Black) it did not >know how to win the game and got stuck in 3 time rep with Mate in 7 showing in >the window?! I had this same problem with another program which prompted a >question a few weeks ago. Bob Hyatt says that the only way to use the >tablebases is to have them all. I believe it but apparently some programmers do >not. I do not agree that the only way to use the tablebases is to have them all. I think that there is a bug in Hiarcs so it cannot use tablebases in an intelligent way. If the evaluation does not make progress from mate in n to mate in n-1 or shorter mate then Hiarcs should stop using the tablebases in the game that it happens. I think that hiarcs can find the win by regular search after stopping using the tablebases(at least in cases when it is mate in 7 and not mate in 40) Uri
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