Author: Sune Larsson
Date: 14:32:42 12/10/05
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On December 10, 2005 at 17:25:07, Gordon Rattray wrote: >On December 10, 2005 at 16:55:52, Uri Blass wrote: > >>On December 10, 2005 at 16:19:19, Sune Larsson wrote: >> >>>Hi Gordon, >>> >>>I just had a look at game 4 in your match Rybka-Shredder. Rybka was white here >>>but found itself very uncomfortable after the opening. For white, this is a very >>>passive variation - early giving up lots of space to black - leading to a >>>cramped position for white. Obviously that didn't suit Rybka at all. It couldn't >>>find a plan but instead tried to shuffle pieces for a standstill. >>>16.Nf3-h4, 17.Nh4-f3, 18.Nf1-d2, 19.Nd2-f1, 20.Nf1-d2 etc... >> >>I think that the problem is that the variation is simply not good for white >> >> >> >>> >>>1) You clearly see the value of a book suited to the engine. >> >>No >> >>The problem is not book that is not suited to the engine. >>This line is simply not good for white and I suspect that even best moves are >>not going to give Rybka more than a draw against shredder. >> >>I think that black is slightly better after the opening book moves and it is not >>acceptable to have a book that lead to inferior position with white. >> >>Uri > > >Uri / Sune, > >Fair comments. Any suggestion for what book I should use for Rybka? I may do >some further testing, so it's worthwhile me changing this. > >thanks > >Gordon If you want to focus more on the strength of the engines, I think that the "12-move book" from Germany (?) is a good choice. Can't remember where I got that book though. I have heard several respected people mentioning that the Shredder9 book is an excellent choice for Rybka. /S
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