Author: Mogens Larsen
Date: 06:09:27 04/27/00
Go up one level in this thread
On April 27, 2000 at 08:17:40, blass uri wrote: >I disagree here. > >the possibility to use the nalimov tablebases is part of the engine. > >This is not the same as opening book. I think we should agree to disagree regarding this subject. >I am interested in the ability of programs to analyze positions and nalimov >tablebases are totally relevant because programs can use them not only at the >root. They're very useful at many things, but that is not the point. If you want an reasonable comparison of the engines themselves, everything must go. >If using tablebases of opening and middle game position can help programs not >only at the root then I think that these tablebases should also be allowed. This would eliminate the need for new ideas concerning the adding of chess knowledge. Adding tablebases for evey conceivable ascpect sounds rather silly and would be impossible. >I think that practically there is no perfect informatio about opening positions >when programs are out of book and using the idea of big tablebases of opening >positions and evaluation can be a problem because of the fact that the programs >will be slower(mainly in cases when there are no tablebases hits and you waste >time about every node) > >This is not the case in the nalimov tablebases because in this case you do not >need to waste time after a move to check for tablebases hits if it is not a >capture in the endgame The opening book tries to prevent stupid opening moves. EGTB prevents stupid endgame moves. >How do you want to test program with no starting position. >It is impossible to play games with no starting positions. When you play a game against a human opponent, do you agree on the opening you play. The chess program will make a move without an opening book. Thrust me on this. >I think that using starting positions like the ssdf positions out of book is >better because these are positions from practical games and the book of crafty >in the ssdf games is similiar to the book of Fritz6a. That is an advantage to Fritz6a. Thanks for your input. Best wishes... Mogens
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