Author: Joachim Rang
Date: 03:25:51 08/10/05
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On August 10, 2005 at 04:32:53, Fabien Letouzey wrote: >On August 10, 2005 at 04:25:19, Joachim Rang wrote: > >>>[D]8/k7/3p4/p2P1p2/P2P1P2/8/8/K7 w > >>Intresting observation. Fruit 2.1 solves it on depth 26, the current >>dev-versionon on depth 27. But both need more then 2 minutes on Pentium M 1.6 >>GHz. Toga 0.93 also needs some time but Toga 1.0 is quick. I don't know what >>Thomas has changed though. > >Try older Fruit versions. I remember it was easily solved when I tried last >year. > >Hint: that's one of the reasons I know there are bugs in the search :) > >Fabien. I'm glad you admit that. Gian-Carlo wrote to me once, solving this position quickly makes your program playing weaker. I'm not sure whether he is right or not but at least it does not appear to be related to pruning, since even if I disable all pruning it still needs depth 26. regards Joachim
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