Author: Jeremiah Penery
Date: 23:46:37 11/12/00
Go up one level in this thread
On November 12, 2000 at 02:42:20, Uri Blass wrote: >On November 12, 2000 at 01:41:43, Helmut Conrady wrote: > >>[D]8/8/8/2KR4/3R4/2k1b3/8/8 w - - >> >>In a test with Fritz 6a, Junior 6, Shredder 4, Century 1.2 Tiger 12, Hiarcs >>7.32, Nimzo 7.32 no one did. > > >It is an easy position. > >You only need the 5 piece tablebases. > >Uri >> >>What about an algorithm like this: if i have a graet material advantage and can >>not make any progress after some moves I will check wheter it can be a draw! >> >>Helmut > >You should explain how to check it and the problem is that you may expect the >opponent to get a position when you have small material advantage. > >The alpha beta does not tell you about second best move so you will not know >that you cannot make progress before it is too late. I think you can check to see if the score is the same for some number of iterations, and if there have been no captures (or certain other moves) in that time, then you can return a draw score. I think I remember someone talking about implementing something like this (Hossa, IIRC) some time back. I'm trying to implement something similar to this in Crafty right now, but I'm having difficulty finding exactly where the code needs to go.
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