Author: Vincent Diepeveen
Date: 08:27:47 04/07/04
Go up one level in this thread
On April 07, 2004 at 11:04:23, Robert Hyatt wrote: >On April 07, 2004 at 10:54:40, Tony Werten wrote: > >>On April 07, 2004 at 10:48:23, Renze Steenhuisen wrote: >> >>> >>>>>>>>I'm sure it was some implementation bug with Renze. >>> >>>Anyone, >>> >>>I only store result from the main search, so no NULL-move and no Qsearch >>>results. >>>I get a TT-hit ratio of 11.73%, of which a part will generate cut-offs. >>> (I call something a tt-hit when an entry is found with the same hashkey, >>> draft does not need to be sufficient) >> >>Hmm, I'm sorry but that's way too low. You probably have a problem with your >>hashkey. >> >>In XiniX I get a hitrate of at least 60% in normal search, >20% in qsearch. > >That can't be right unless you are talking positions like Fine 70... > >Too many have run that experiment over the years and 30% is the _highest_ number >I have ever seen reported in opening/middlegame positions. Xinix is a very efficient searching program with a good qsearch. Better qsearch means more efficient main search. > >> >>Tony >> >>> >>>the tt_retrieve code retrieves a move, which I call the TT_MOVE_SUGGESTION. >>> >>>could someone provide me with a % of TT_MOVE_SUGGESTIONs in a search? >>> >>>Cheers...
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