Author: Bob Durrett
Date: 06:46:49 01/18/04
Go up one level in this thread
On January 18, 2004 at 06:46:44, Sandro Necchi wrote: >On January 18, 2004 at 06:37:21, m.d.hurd wrote: > >>On January 18, 2004 at 06:12:55, Sandro Necchi wrote: >> >>>Hi, >>> >>>well my opinion is that today best chess programs, includind Shredder 8, play >>>some positions like super GM, other positions like GM and other positions much >>>weaker. >>> >>>I wrote several articles in the Scacco! chess magazine on this matter from 1991 >>>to 1999. >>>I think this problem will not be solved soon. >>>We will have to wait some years to have programs not to play weak in some >>>positions. >>>The openings book are important to try to avoid these "bad" positions as much as >>>possible, in order to let the program play at their best or close to that. >>> >>>This is why I have been working on that for more than 25 years and I am still as >>>the program improvements change the situation all the time. >>> >>>Sandro >> >> >>Hello Sandro > >Hi, >> >>I have ordered Shredder 8 and wondered what general changes you have made to >>shredder 8's book compared to shredder 7's. I thought the book for shredder 7 >>was good but too varied in the chessbase gui for engine v engine matches untill >>learning took over. > >I have been asked to keep high variety still, but the book has been refined >removing weak lines and or reducing the values of them to have them been played >less frequently. As a chess amateur I appreciate a "wide" opening book. Games played between human chessplayers at my level are not usually won or lost in the opening so having an extremely strong opening repertoire is not so important. Variety, on the other hand, is nice and has been said to be "the spice of life." The top GMs do not play many openings against each other because of the risk. But "lesser lights," including the lower-level GMs, play a much wider range of openings. The culture of chess includes much more than the latest winning opening lines played by the top GMs. Anyway, the subtlties of a very strong opening book are lost on the average chess amateurs. Playing against a chess-playing program which "doesn't know very much about openings" [only knows the best lines : )] is not fun. A "well-educated" program having a very large opening repertoire is much nicer to play with. We cannot all be top GMs. Opening books are useful not just for playing but also for post-mortem analysis. For example, with Fritz I use the Fritz PowerBook because it saves me the trouble of researching an opening with Chessbase 8.0. In summary, I advocate having opening books which can be either wide or narrow depending on the user settings. That's the way Fritz does it. Bob D. >So at the end I can state that the book has been refined. > >>The book in the classic gui seemed better in this respect, > >Yes, because selecting the tournament option the selection is more restricted to >the "supposed" better moves. > >>though I understand that interface is no longer included with Shredder 8. > >Is not included, but there will be a surprise soon for those who loves the UCI >interface...cannot say anything more yet...I am one of those...but you will need >the CB Shredder 8 disk in any case, so my suggestion is to get it now... > >The book for the UCI interface has been improved upon too... >> >>Regards >> >>Mike > >Sandro
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