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Subject: Re: ETC vs. incremental move generator

Author: Steve Maughan

Date: 11:40:13 01/15/06

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I think engines that have an incremental move generating approach tend to order
moves using MVV/LVA or, after trying the hash table move, generate all the
captures and order using SEE leaving the -ve scoring moves until last after
other non-capturing moves.

IMO incremental move generation is something that should only be tried in mature
engines for precisely this reason.  The speed improvement of incremental move
generation is probably only about +10% i.e. < 10 ELO point and in the same
ballpark as the variation in the speed of execution produced by different
compilers.



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