Author: John Merlino
Date: 12:15:24 01/11/01
Go up one level in this thread
On January 11, 2001 at 06:58:45, Brian Kostick wrote: >On January 09, 2001 at 18:03:06, Daniel Chancey wrote: > >>I believe a major opening book should be created or a possibility that rebel, >>junior, shredder, or fritz books that will work with Chessmaster. >> >>The small opening book is not going to last forever and Alas, I have given up >>trying to help the team for the time being. >> >>Is there anyone you could hire that can help build The "Ultimate" Chessmaster >>book? >> >>Castle2000 > > I first would like to say I'm not here to complain, enough has been done >already in regard to CM8K. I do have some observations and questions should >anyone care to read. I haven't been able to build a book larger than 128kb. I >think that's the upper limit with the CM8K supplied PGN-to-book tool. I observe >that Mentor and Reference books are larger than this but I suspect that is >because they have embedded commentary, not to mention they likely were made with >other tools. > > I have made a book from PGN with games rated 2641 and above (both players). >Some might consider this OK, some may not. Some of the Ultimate book questions >might be: >1.Should all the supplied lines extend to blacks 15th move? This "appears" to be >the upper limit, at least as far as what I can see displayed. Perhaps even with >good rated games the damage may have already been dealt by this time. A good >book would stop short of this point. The experienced book-maker would know more >than I. >2.Would your "Ultimate" book be tuned to provide Pro-Chess-Engine moves, play >most common lines (modern and historical), or only the modern undisputed lines? > > I'm sure there are more considerations but answers to these would be a start to >building your "Ultimate" book, which might not be ideal for some other purpose >or person. Regarding your questions: 1. Version 1.0.0 of Chessmaster 8000 assumes a 30-ply depth for the book. The patch will allow the user to specify ANY depth (up to 40 plies, I believe). 2. The Chessmaster book is intended to be a combination of an all-inclusive book (the ability to know all lines well, both popular and historical, for the users who enjoy it), and a book tuned for the playing style of The King. The latter half of this is where the current book falls down, in my opinion. jm
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