Author: Bert van den Akker
Date: 12:42:58 11/22/99
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On November 21, 1999 at 20:06:39, Peter Kappler wrote: >On November 21, 1999 at 16:37:52, Daniel Clausen wrote: > >>Hi >> >>On November 21, 1999 at 16:04:39, Peter Kappler wrote: >> >>>On November 21, 1999 at 14:59:53, Bert van den Akker wrote: >>> >>>>From the start position I get a branche factor of about 14% >>>> >>>>This is in a 10 ply search from the start position. >>>> >>>>The branche factor is defined as: >>>> >>>>(total_number_of_moves_looked_at_in_a_node_before_cutoff / >>>>total_number_of_generates_moves) * 100 >>>> >>> >>>This is how I used to compute branching factor, too. I still think it's the >>>best way to measure the quality of your move sorting. >> >>I've no "experience" in computing a branching factor, but this formula looks a >>bit >>strange to me. I would have expected an absolute number, not a percentage. >> > >Oops. I overlooked this in the original post. I thought he was just computing >the average number of moves tried per movelist, not a percentage. > >--Peter Yes this formula calculates the average moves tried from the generated moves before a cutoff. So 14% means if 50 moves are generated then on average 7 moves are tried before a cutoff. BvdA
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