Author: Omid David Tabibi
Date: 23:01:37 05/11/03
Go up one level in this thread
On May 12, 2003 at 00:35:15, Robert Hyatt wrote: >On May 10, 2003 at 21:23:00, Omid David Tabibi wrote: > >>On May 10, 2003 at 20:32:10, Matthias Gemuh wrote: >> >>>On May 10, 2003 at 17:49:01, Mike Siler wrote: >>> >>>>When Sjeng finishes a search, it displays among its stats a move ordering >>>>percentage. Does anyone know how this is calculate? >>>> >>>>Michael >>> >>> >>>In most programs, it is the ratio FailHigh_on_fist_move/All_FailHighs. >>> >> >>Why not use a more general figure: >>ratio of "first move being the best" / "all (interior) nodes" ? > >on "fail low" (or "all nodes") you don't fail high. You would simply >be artificially lowering the move ordering "score"... > >Move ordering only needs to be good on nodes where you will fail high, >otherwise move ordering is irrelevant... It is irrelevant, but if the intention is only to measure the move ordering (regardless of its contribution to search) you can also consider the other nodes. > > >> >> >> >>>/Matthias.
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