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Subject: Re: futility pruning?

Author: Daniel Shawul

Date: 02:24:08 11/10/03

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If I am following you correctly,you do the futility cut off before making the
move.How do you intend to figure out whether it is a cheking move or not?
Because I think it is very hard to determine revealed checks(indirect checks
by pieces other than the moving piece).Doing the futility before making the move
may cost you some time.So what I think is easy is to make the move and see if it
is a checking move.And if you apply the futility after you make the move,there
is no saving in make/unmake.So what I am saying is FP at frontier is
gonna cost you more than its advantage so it's better to rely on the stand pat
cutoff.

Daniel




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