Author: Thorsten Czub
Date: 01:18:16 10/19/03
Go up one level in this thread
On October 18, 2003 at 19:15:36, Uri Blass wrote: >I do not think that this subject is anout feeling. it is about beeing professional. the operator must make sure others cannot prepare on the book used. e.g. by choosing a special small book with weird lines that have nothing to do with the commercial book. as i said we had a case where hiarcs was trapped in the same way with a line that was in the commercial book of hiarcs. since this line was in the tournament book too, the Centaur program made a forced draw against hiarcs. hiarcs had no chance. >The point is that it is a mistake to use the commercial book because it means >that you may be victim for traps. (or parts of commercial books) >The question if chessmaster won the game because of trap or not is not >important. exactly. that it was out of book in move 2 does not tell us anything about the question: was it prepared or not. when they KNOW that this will happen and they see that the king will play all moves by itself, they have no need for programming the line into the opening book. >The important thing to learn is to change the book not to allow traps. yes. >You can expect every legal move as first move in preperation so good book >preperation may be to change every reply to first move that is not normal. yes. e.g. 1.f3 or Na3. >For example you may even have Nc3 a6 in the book only to take the opponent out >of prepared lines but I guess that there is a better move that is not in Rebel's >commercial book. > >1.Nc3 is easier for preperation than 1.e4 because after 1.e4 the engine may >play many different lines so preperation even against the book is harder >so the important thing for the people who write the book is to concentrate on >rare lines to change the reply in them. yes. thats true. and 1.Nc3 which brings rebel into book after d5 IS such a case. >Uri
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