Author: Andrew Williams
Date: 12:12:57 09/19/04
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On September 19, 2004 at 15:09:31, Michael Henderson wrote: >On September 19, 2004 at 13:54:15, Andrew Williams wrote: > >>On September 19, 2004 at 13:23:32, Michael Henderson wrote: >> >>>I'm confused about the definition of this stat. Does one count null moves and >>>hash hits in this? My fh numbers vary dramatically based on what is counted. >>>Thanks. >>> >>>Michael >> >>It's best thought of as a measure of your move-ordering. So every time the >>*first* move you *make* at a node gives you a beta cutoff, increment a counter. >>If you get a beta cutoff at the node and it's NOT the first move, increment a >>different counter. Then it's (100*firstCounter)/differentCounter, which is the >>percentage of your beta cutoffs which occurred on the first move you tried. >> >>Andrew > >Sorry I'm still a little confused :) >From this I take it null moves not counted in this, since you can't "make" a >null move? That means, if you take out null moves, your fh first move stat goes >up -- because you can make any real move and get a cutoff on the first move. > >Michael Correct. Null moves bear no relationship to your move ordering anyway. By the way, as Jose pointed out, that should read: (100*firstCounter)/(differentCounter+firstCounter) Andrew
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