Author: Sandro Necchi
Date: 06:53:59 01/18/04
Go up one level in this thread
On January 18, 2004 at 09:46:49, Bob Durrett wrote: >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. Hi Bob, >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. I agree with you. Sandro > > >>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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