Author: Sune Fischer
Date: 03:48:03 05/14/05
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On May 14, 2005 at 04:31:39, Christopher Conkie wrote: >Hello Sune, > >Yes, Dann has explained and Peter further up. Ok that's clear then, I just saw Dann writing it was the value of one knight :) > It is a strange figure but the >point was that it was mate. I expected a "Mate in something" eval not a high >figure. Lord King for example shows a high figure but knows (or shows) it is >mate. I got a shock because the position is hardly brain surgery. I suppose it >can be fixed, which ultimately means that it is helpful. I believe it is a mate score, but the problem is the winboard protocol doesn't allow an engine to send "mate in 5". >Let me tell you that I/we are seeing as you can see further up some very strange >things. It is however a long process because some engines just die when >confronted with a position that has too many possible moves. The theoretical >maximum amount as of today is 218. If that were built into all engines it would >be a start (most die at over 60 possible moves). So we look at all one by one, >position by position. I think most often you will just see the qsearch explode and that can cause the program to sort of hang. There are various tricks to limit that, but it's not easy to find a way that won't at the same time weaken the engine in normal play. -S.
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