Author: Uri Blass
Date: 06:28:05 08/27/00
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On August 27, 2000 at 09:10:57, Aaron Tay wrote: >On August 27, 2000 at 08:28:33, Uri Blass wrote: > >>On August 27, 2000 at 07:29:46, Aaron Tay wrote: >> >>>On August 26, 2000 at 21:39:27, Jorge Pichard wrote: >>> >>>>On August 26, 2000 at 18:17:49, Alexander Kure wrote: >>>> >>>>>On August 26, 2000 at 15:20:44, Sandro Necchi wrote: >>>>> >>>>>[...] >>>>> >>>>>>>Which program had the best opening book? Shredder 5.0 >>>>> >>>>>[...] >>>>> >>>>>Can't be, as Shredder had lost positions out of the opening against Rebel and >>>>>Nimzo. >>>>> >>>>>Greetings >>>>>Alex >>>> >>>>Two mediocre opening lines out of thousands of variations which is probably a >>>>least an average of 8 variation to every opening lines is a small percentage, >>>>which I' am sure that it will be fixed before the final release of shredder 5. >>>>Now mention just one program that does not have any dubious lines ? >>>> >>>>Pichard. >>> >>>Hmm I suppose one of those programs that don't have any opening book at all! >> >>I think that shredder falled in the trap against nimzo because it had no >opening book in the relevant line. > >True. But it was the chess engine's fault for falling into the trap. Not because >of a bad opening line! > >Say my opening book consisted only of one line 1 e4! > >After which my program loses to some "cooked" opening line ? Would you claim >that 1 e4 is a dubious line? Yes. 1.e4 without more moves is a dubious line for the engine if it falls into a prepared trap after this line. There are deep trap in the opening that programs cannot avoid in practical games and if you play with no book or witha very small book your program can fall into one of them, Uri
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