Author: Uri Blass
Date: 23:46:23 08/03/04
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On August 04, 2004 at 02:11:44, Volker Böhm wrote: >Hi, > >for every pruning you make I suggest to implement a pruning test. >In Test mode do the following: > >1. Remember if you are pruning >2. Don´t do the pruning, but search normally >3. Returning from the search find out if the pruing would have been correct. >4. If not: Count for statistic, build a maximal error value, print out fen of >the current position >5. Look at the fens, find out if you have to implement additional rules to >exclude wrong prunings. > >For extendet futility you have to make sure, that you are nearly not making any >error, because the error would possible not be fixed at the next search depth. > >Greetings Volker > >P.S. I do not use futility so far, because it depends much on the engine. Thus >if you´ll plan to improve your engine much futility can IMHO make improvements >harder to test. > >Greetings Volker I do not understand why do you think it will make improvements harder to test. Uri
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