Author: Albert Bertilsson
Date: 06:43:34 06/26/03
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On June 26, 2003 at 09:04:59, Uri Blass wrote: >On June 26, 2003 at 08:46:13, Martin Bauer wrote: > >>On June 26, 2003 at 08:11:23, Albert Bertilsson wrote: >> >>>Previously I've used check-extensions, and now I added single-reply extensions. >>>This has given me some problems because it seems that the engine tries to extend >>>to much now! Some positions are just searched to very few plies. I guess it has >>>to do with one side only having one move to do (single-reply) and the other side >>>constantly checking, and this makes the search go deep immediatly and not >>>returning until searching to max depth or getting 3-fold repetition. >>> >>>I've solved this temporarily by only allowing to extend at most Depth plies, so >>>when searching to ply 6 maximum search depth should be 12 plies. Anybody have a >>>better idea? >> >>I think the maximum number of extensions should be limited. I limit to an fix >>number (7) independent of the depth, but your idea sound logical, too. > >I do not limit extensions in movei. >I do not like that idea and I prefer to get bugger depth by adding pruning. > Do you avoid getting to deep by having pruning rules or do you have fractional depth increases to limit the extending? >Uri
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