Author: Tony Werten
Date: 09:21:39 01/12/02
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On January 11, 2002 at 15:18:47, David Rasmussen wrote: >On January 11, 2002 at 15:12:10, Martin Giepmans wrote: > >> >>It's probably one of those small bugs that are so easy to overlook. > >I don't think it's a bug, I think it is an extension problem. But I could be >wrong. > >>There is a pattern: just before ----- (end of iteration?) the count is > >Yep. > >>way too high. After that (first move of next iteration) it seems ok again. > >They are way too high because of extension problems, I think. Could be. Do you always extend ( when appropriate ) or do you let it depend on alfa like "if material_balance+2 pawns>alfa" ? That could give a problem in this case. Since you already have a checkmate score, alfa might be very low so you always extend. Tony > >>So first rootmove ok, second and next move probably not. Something wrong >>with initialising the extension-counter when returning to the root?? >> > >I reset the counters before each iteration. It gives me more information. > >/David
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