Author: Mike S.
Date: 05:35:04 11/01/03
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On November 01, 2003 at 06:49:46, Sandro Necchi wrote: >On November 01, 2003 at 04:13:54, Mike S. wrote: > >>(...) >>http://www.miko42.de/DasDuell/duellindex.html >>excerpt: >>Index Fritz 8.0.23 - Shredder 7.04 F8 - S7.04 % Fritz % Sh. games >>----------------------------------------------------------------------- >>01 eigenes Buch - eigenes Buch 131,0 - 145,0 47,5 52,5 276 >>12 eigenes Buch - ohne Buch 143,5 - 151,5 48,6 51,4 295 >>(engl. own book vs. own book, or own book vs. NO book) >>Without book only 1,1% less! Certainly somewhat surprising. :-) >>(...) >At which level the games where made? >I do not care about blitz and semì-blitz. >Did you test also at 40/2 games? With which hardware? I didn't make these tests. These have been run by a different person "Michael42" (webmaster of the URL above), a german fan. According to his doc, the games were run on AMD 2200+ at 35m+4s, and on ADM 2700´+ at 30m+3s, and with 256 MB hash. >(...) I have nothing against you, but to see people so blind still is really >unbelievable to me... Excuse me, I was just quoting a result which I thought was very surprising (for me too!). I took it as a clear hint that opening books really are overrated in computerchess competition (which is the relation between this and the discussion about replacing CM9000.OBK with general.ctg). To be honest, I doubt that general.ctg is any advantage at all compared to CM9000.OBK, because it's a relatively old Fritz book, which means the competitors have most probably taken a very close look at it when compiling their latest books (and I guess nobody cared to prepare for the CM9000 book and/or it wasn't even released yet). Which would mean, it's more likely to be a disadvantage compared to CM's own book. (No, I don't forget about advantages and disadvantages :-)) because when we forget that, what are we discussing about then?) So what it happening? The King 3.23 is tested *very late* after it's release many month ago (meanwhile, some other new and improved versions of other engines have been released), and with an *old book* which even cannot include king-specific editing. But still: Anger, Despair, Panic!! :-))) Astonishing, how dangerous an opponent The King is considered obviously, even under these conditions... Btw. I'm of course aware of the great value your work has, like the work of all the other chess programmers and book editors. One out of only two big opening books I keep on my harddisk, is one of yours. Regards, Mike Scheidl
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