Author: Uri Blass
Date: 10:57:30 08/15/05
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On August 15, 2005 at 13:51:38, Djordje Vidanovic wrote: >On August 15, 2005 at 13:27:44, Uri Blass wrote: > >>On August 15, 2005 at 13:10:37, Djordje Vidanovic wrote: >> >>>On August 15, 2005 at 12:23:47, Uri Blass wrote: >>> >>>>If the engine is strong enough it is sufficient to have strong engine. >>>>based on the times in the pgn that I read Fruit was out of book in move 3 >>>>Unfortunately it could not find moves that are good enough. >>>> >>>>Uri >>> >>> >>> >>>I am sure that you are wrong. Just remember Hydra's loss to Shredder when it >>>lost in 30 moves while still in book. There are many other examples which show >>>that a good engien must have a good book to be competitive. >>> >>>Without a good book an engine is an easy prey. But this is an old thread and if >>>you remember an average guess about the worth of a good book was ranging from >>>100 up to 250 points. I'd settle for about 150 points at slow time controls, >>>with 250 points at blitz. >>> >>> >>>Djordje >> >>For engine that is good enough big book is obviously a mistake because it can >>find better moves by itself. >> >>The example of hydra proves nothing because it is an example of a bad book and >>not of not having a good book. >> >>There is a difference. >>I consider bad book as book with bad moves when I consider not having a good >>book as not having a book or having a book with not enough moves. >> >>Uri > > >I am afraid that I never said that a good book is a big book. A good book is a >book that has good lines in it. Period. You kept talking about a possibly big >book which is something I had not mentioned. > >A good book for Fruit should have had 3...c5! in D00 (1.Nc3 / 1.d4...etc). And an engine that is strong enough could find 3...c5 if this was the mistake of fruit. Uri
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