Author: Uri Blass
Date: 07:53:09 01/11/03
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On January 11, 2003 at 10:25:57, Andreas Guettinger wrote: >On January 11, 2003 at 08:31:44, Lieven Clarisse wrote: > >>This is most probably a well known position (pasted below). But ruffian resigns >>here (5 min/game PIII 450 64MB hash). I think this kind of situation can be >>easily dealt with: if the evaluation score for the initial position is equal to >>that, after 25 ply (for instance) for the best line, than the score for that >>position should set to 0.00. In other words, if the engine can't make any >>progress after a certain number of moves, it is draw; no mather how inbalanced >>the material is for both sides. >> >> >>[D] 7k/8/1p1p1p1p/pPpPpPpP/P1P1P1P1/8/1RK5/1R6 b - - 0 1 > > >I completely agree. Material may tell the programm that white is better, but if >no progress can be made then the engine can as well output 0.00 because it >doesn't see a win. In addition you could also easily check if the position >allows captureing of pieces in the search tree, and if no capture can be found >in the whole search tree, then evidence is strong that it is a draw. This condition does not happen and program can find a lot of captures in the search tree. There are ways to solve the problem but not the way that you suggest. Uri
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