Author: Uri Blass
Date: 05:04:38 12/05/00
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On December 05, 2000 at 04:29:46, Terry Ripple wrote: >On December 05, 2000 at 00:40:00, Uri Blass wrote: > >>On December 04, 2000 at 22:10:36, Laurence Chen wrote: >> >>>On December 04, 2000 at 17:48:10, Uri Blass wrote: >>> >>>>These positions are from games of shredder5 that Chris Taylor posted. >>>> >>>>[D]2rqrb2/3n1ppk/b2p3p/1ppPpN2/p3P1P1/P1P2QR1/1PB2PP1/R1B3K1 b - - 0 1 >>>> >>>>In this position Shredder5 played f6 and evaluated the position as 0.00 >>>> >>>>It is not the only case of 0.00 evaluations of lost positions of shredder. >>>> >>>>[D]2r2bk1/B6p/1p4p1/3Pp1q1/Q1n1P3/8/P3N1PP/R5K1 w - - 0 1 >>>> >>>>Here Shredder5 also played Qd7 and evaluated the position as 0.00 >>>>23.Qd7 0.00/11 Bc5+ 24.Kh1 0.00/12 >>>> >>>> >>>>[D]2rrn1k1/pp1b1pp1/1n1q4/3p1PPN/3P3R/1PNB4/P1Q2K2/6R1 b - - 0 1 >>>> >>>>Here shredder5 evaluated the position as 0.06 pawn against itself and played >>>>27...Qc6. >>>> >>>>The point of this post is not to attack Shredder that did very good result and >>>>won the matches against the tigers but only to show that all programs and not >>>>only Fritz have positions in the middle game that they are wrong when they >>>>evaluate the positions as a draw. >>>> >>>>Uri >>>Uri just because a chess engine gives an evaluation of 0.00 does not necessary >>>mean that it is a drawn position. >> >>I know. >>The point is that Thorsten attacked Fritz because Fritz showed 0.00 in middle >>game positions that were certainly not a draw. >>My examples were to demonstrate thorsten that this behaviour is also of programs >>like Shredder5 and not only of Fritz and there is no justification to call fritz >>stupid only because of the fact that there are positions that it does not >>understand like every program. >> >>Uri >-------------- >An analysis of 0.00 in the middle game just means that both sides have equal >chances to win from that position at that very moment! > >Terry The point is that the sides have not equal chances and that the evaluation of the program is wrong. Thoraten claimed that Fritz6 has this behaviour when other programs like Shredder do not behave like it. I give examples to prove that that it is not the case. Uri
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