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Subject: Re: WCCC 2003: The BUG of Shredder (In English by Alta Vista )

Author: Jorge Pichard

Date: 00:25:29 12/01/03

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On December 01, 2003 at 03:23:39, Jorge Pichard wrote:

>On December 01, 2003 at 00:29:54, Eduard Nemeth wrote:
>
>                      ***The BUG of Shredder***
>
>The NOSE of Shredder at the WM 2003!? Only enclosed: I wrote further down (to
>Thomas Wallendik) that also the operators decide whether it a portion give up or
>not! Naturally for this the agreement of the tournament line applies. How I read
>in another place, the operator of Jonny wanted to further-play against Shredder
>(despite 3fach repetition of course) and it implemented its course already, and
>went only then to the tournament line. As he now however said, that was (more
>ignorantly) an error of it, because he wanted to decide in agreement with the
>tournament line. Since it gave however the course right up, the tournament line
>could not accept differently than the victory of Shredder later. Strange way
>however the tournament line in the portion Fritz accepted vs. cunning (after a
>matte announcement of Fritz) the task of cunning, although it had been a long
>forecast matte. One could itself have let the matte from Fritz also here show?
>but one trusted the matte announcement. I remember however the fact that Diep a
>portion up to the matte to play had (believes against Brutus). Result: The
>operators with agreement of the tournament line decide, when it is
>further-played and when not. On a Remisangebot the engines in any window to wait
>is not necessary. So seen, we saw therefore (because of Play off) altogether 13
>Fritz and Shredder portions, and there the computers (particularly of Fritz)
>with 4x 2.8 GHz the straight slowest was not, were also the Play Offs with
>60?/Partie on a high level in the comparison to the SSDF or a dual computer!
>Shredder lay in the fine valuation after 11 rounds in front. Fritz won the
>direct 1st comparison however. Shredder won however the hochklassige Olay off.
>Thus Shredder of the correct, worthy, and correct world champion 2003 is! But we
>come to nose. What was there the matter? If it did not receive someone on
>Saturday, which is said that Shredder in the portion against SOS likewise a
>2fache repetition of course played, and that there was no 3fach repetition to
>register already here, it is only because of the lucky circumstance that
>Shredder the 2fache repetition introduced and not SOS! Here the 1. Position:
>Parsos vs. Shredder
>
>[D]8/5rkp/3p2p1/Q2P4/6q1/8/6P1/R6K b - - 0 1
>
>49.Dxa5 Dh4+ 50.Kg1 Dd4+ 51.Kh2 Dh4+ 52.Kg1 Dd4+ 53.Kh2 De5+ We see here that
>black with the zugfolge 49... Dh4+ a repetition of course made. To determine
>thereby the following factors are: Black chess offered and the opponents played
>thereafter with its king on the same field back where it before it chess had
>gotten. Now the 2. Position against Jonny: Shredder vs. Jonny
>
>[D]1rr5/p4q1k/3Q4/8/4p1R1/2p5/PPP1B2P/1K6 w - - 0 1
>
>Here it was the opponent of the one 1. Position against getting introduces, by
>means of Tab8! And which makes Shredder? It behaves just as in principle as
>against SOS and plays a double repetition of course from its view: 33.Tg4 Tab8
>34.Th4+ Kg8 35.Tg4+ Kh7 36.Th4+ Kg8 37.Tg4+ Kh7 After the black course 37. Kh7
>developed a 3fach repetition of course, since she was introduced by the opponent
>of Shredder, in contrast to only the 2fach repetition in the portion of SOS vs.
>for Shredder. What is noticeable? We are not in the final game. I.E. that the
>repetition of course cannot have to do anything with the Tablebases. Identical
>here however the same motive is as in the SOS portion: Shredder gives a chess,
>which opponents plays a course later with the king on the same field where he
>before already was, and Shredder gives there 2. Times chess. Now I looked for
>all Shredder portions of the WM for the same motive, and I found an interesting
>position! In the portion Shredder vs. Brutus (round 5) came it to the following
>position: Shredder vs. Brutus
>
>[D]1q3n2/8/pk1p3P/1p2p3/4B3/P7/1PP5/1K4Q1 b - - 0 1
>
>We are in 39. Course and Shredder give Dg1+! But which follows now? This
>zugfolge: 39.Dg1+ Kc7 40.Dg7+ Kb6 41.b4 We see here clear parallels for the two
>previous examples to course 40. Shredder gives chess, which plays king after c7,
>then Shredder 40.Dg7+ now plays and happened in principle the same pulls as in
>the previous examples, Brutus its king on the same field where it with first
>chess requirement of Shredder lay. Now does the simple question arise to me, why
>Shredder did not order the program this NOSE still times on g1 chess if had,
>that the samples are identically?? Eduard World:



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