Author: Dann Corbit
Date: 10:56:14 09/18/00
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On September 18, 2000 at 13:50:51, Uri Blass wrote: >On September 18, 2000 at 12:48:48, Dann Corbit wrote: > >>On September 17, 2000 at 14:49:23, Gian-Carlo Pascutto wrote: >> >>>[D]N1bk2nr/pp1p1ppp/2n5/8/1b6/5B1q/PPPN1P1P/R1BQK2R >>> >>>EPD data: >>> >>>N1bk2nr/pp1p1ppp/2n5/8/1b6/5B1q/PPPN1P1P/R1BQK2R b KQ - acd 16; acn 509064473; a >>>cs 12875; ce 53; pv Nf6 a3 Re8+ Be2 Ba5 b4 Qg2 bxa5 Nd4 Rf1 b5 axb6 Rxe2+ Qxe2 N >>>xe2 Kxe2 Qxa8 bxa7 Qxa7; >>> >>>I would like to post the complete log here but I'm having trouble pasting it >>>into Netscape and Lynx. Any hints? >>> >>>Software: Crafty 17.13 with dynamic nullmove pruning, tuned down extensions and >>>razoring >>> >>>Dann, if this data is usefull for you tell me and I'll run a few more. >> >>Actually, the EPD record is far more useful to me than the log. I will have to >>reformulate the log data into EPD format, so this is exactly what I am after. >> >>I now clearly owe GCP a poem. >>;-) > >I believe that big part of the results without dynamic null move pruning are >different. > >The main problem is not zunzwangs but cases when the null move pruning prune >line that has a deep threat. > >I also believe that extensions are important and 15 plies with the normal >extensions may be better for analysis than 16 plies when you tune down >extensions and razoring. > >If you want good analysis of the position the best thing to do is to ask the top >programs to use a long time and not to goto big depth. How will you go a long time without getting big depth? How will you get big depth without going a long time? I suspect that any 16 ply depth will take several hours to compute at least. Some of the problems I posted will probably take weeks if they can be solved at all.
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