Author: Uri Blass
Date: 06:04:42 12/11/03
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On December 11, 2003 at 08:29:15, Claude Le Page wrote: >I submitted to some engines a line that is known since 400 years: >1 e4 e5 2 Nf3 Nc6 3 Bc4 Nf6 4 Ng5 d5 5 exd5 >I was surprised to see that most of them answer 5...Nxd5 whereas it is known >since Polerio that this move is bad after 6 Nxf7 or d4 exd4 7 O-O >of the CB native engines , only shredder7 , junior7 ,and junior8 pass the >test (they play Na5 , Nd4 or b5 that are the "regular" answers ),and that a >"modern" engine as Hiarcs9 behaves like the obsolete ones >if these engines (out of book!) behave like this , what confidence can one have >in analyses by such engines ? >Friendly Yours >Claude Le Page how much time did you give the engines? I remember that I read that it is not clear if Nxf7 is good for white and in a correspondence game black found a good defence. I do not play this opening not as black and not as white but it is better not to believe automatically to everything that is known in theory. The question is also if the engines that capture d5 are losing in a game against the engines that do not capture. Uri
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