Author: leonid
Date: 05:35:59 01/09/00
Go up one level in this thread
On January 09, 2000 at 01:53:23, Bruce Moreland wrote: >On January 08, 2000 at 12:41:13, Antonio Dieguez wrote: > >>On January 08, 2000 at 11:56:25, Dan Andersson wrote: >> >>>>"Extensions" are usually used to keep a program from running out of search >>>>depth. My understanding was (probably very wrong) that extension are some kind >>>>of addition search done for few next plys deep. If this is really so, how can >>>>extension "keep program from running out of search depth"? >> >>that phrase traduced to spanish is not very clear I suppose you have the same >>little problem, may be keep program from running out means keep program running >>in ? >> >>>You said it yourself! By adding more depth. >>> >>>Regards DAn > >You start out with some number of plies of depth, like for instance 8, and every >time you make a move you decrement. So if you have 8 now, you make a move and >now you have 7. Then you make a move and have 6, etc. Eventually you have 0, >and you cut to qsearch. > >Let's say you have 8 now, and an extension kicks in. You still have 8. Another >one kicks in, and you still have 8. So you avoid running out of remaining >depth. Thanks! Now I understood. It was nothing more but wording that confused me. Leonid. > >Other ways to do it but that's good enough. > >bruce
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