Author: blass uri
Date: 14:29:15 01/25/00
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On January 25, 2000 at 13:31:01, Christophe Theron wrote: >On January 24, 2000 at 15:50:15, blass uri wrote: > >>On January 24, 2000 at 15:34:39, Christophe Theron wrote: >> >>>On January 24, 2000 at 09:10:12, Robert Hyatt wrote: >> >>>>I suspect that one commercial program is doing no capture search, but may be >>>>using a static exchange evaluator to prevent the last move in a PV from >>>>being an outright blunder. Seems to be working. No names to protect the >>>>guilty, however. :) >>> >>> >>> >>>I'm really curious about this. Using a SEE to "close" the search is in my >>>opinion a beginner's mistake (no offense intended). >>> >>>It's the first thing I have done myself when I started programming chess, and I >>>suspect many of us have followed the same path. >>> >>>But if somebody tells me it really works, then I have, once again, to reconsider >>>seriously all I know about chess programming. >>> >>>It's not new anyway. Every now and then I realize how little I know. That's part >>>of the fun. >> >>The program hyatt talk about is probably Junior. >> >>Uri > > >Really??? > >Why do you think it's Junior? > >Junior is said to have a huge NPS. Using a SEE at the end of the tree (in every >node actually) is supposed to drop your NPS considerably... > > > Christophe I remember that amir ban said in the past that he does not think that Qsearch is a good idea. I also remember that there was a position that proved it when Junior never did a mistake at small depths that other programs did because of Qsearch. Uri
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