Author: Ren Wu
Date: 15:44:48 12/20/01
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On December 20, 2001 at 18:31:41, Dan Newman wrote: >On December 20, 2001 at 16:47:29, Ren Wu wrote: > >>On December 20, 2001 at 15:31:45, Dan Newman wrote: >> >>>I don't see anything wrong with these numbers. I get 92.4% with nullmoves >>>and 98.7% without on this position. But my program has hash tables. It >>>also has a fairly complex (and heavily mistuned) eval. When I run it on >>>all 300 WAC positions at 1s/posn I get much the same result (92 and 98). >>> >>>-Dan. >> >>What kind of move you search first in case you don't have the move from >>hashtable? >> >>Ren. > >If I'm in the PV, I do an internal iterative deepening search and use >that move. If not I generate the captures, sort them with a SEE, >and use the top one of those. > >-Dan. > >P.S. I tried turning off my hash table and got 90.1% with nullmoves >and 99% without. The searches took quite a bit longer... Thanks. Seems a good SEE is really important factor here. See my another post http://www.icdchess.com/forums/1/message.shtml?202825 Can you try enable hashtable, but disable SEE? Ren.
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