Author: Sandro Necchi
Date: 22:25:25 09/12/04
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On September 12, 2004 at 16:52:48, Sune Fischer wrote: >On September 12, 2004 at 16:43:02, Sandro Necchi wrote: > >>OK, this is true, but think about this: >> >>1. Program A with his own book play at 2650 Elo >>2. program A without any book (may) play at 2600 Elo >>3. Program A with another book can play from 2500 to 2650 depending how suiting >>his style the book is...This is due to the fact that an opening book can make a >>program play worse than without if bringing the program in positions it does not >>like. >> >>so, how can you know how strong is a program if you let it play with a different >>book? > >I can't, that's why I never use books in testing but instead I used fixed >positions. It is the same as we are talking about positions not suiting the program style. I.e.: If a program is not suiting to play the French defence, than it will play that one bad. If you force the position it is the same than to get it from a different book. > >With a book you can get lucky or unlucky with a single line. You have to play a >lot of games even if both engines use the same book. I was not referring to how good or correct are the lines in the book, but the main selection. It is the same forcing them from one position on. Sandro > >-S.
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