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Subject: Re: BUG in Rybka (German: Unterwandlung)

Author: Russell

Date: 22:40:47 12/05/05

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On December 06, 2005 at 01:28:50, Eduard Nemeth wrote:

>BUG in Rybka (German: Unterwandlung)
>
>(German: Unterwandlung z.B. in Springer)
>
>Komposition by E, Nemeth 2005:
>
>[D]k1b5/PpP1P3/pP6/Kp6/1P6/8/8/8 w - - 0 1
>
>Analysis by Fritz 8.0026:
>
>1.e8S Le6 2.c8D+ Lxc8 3.Sc7#
>  +-  (#3)   Tiefe: 6/8   00:00:00  1kN
>
>(Nemeth, Privat 06.12.2005)
>
>k1b5/PpP1P3/pP6/Kp6/1P6/8/8/8 w - - 0 1
>
>Analysis by Toga II 1.1a:
>
>1.e8S Ld7 2.c8D+ Lxc8 3.Sc7#
>  +-  (#3)   Tiefe: 63/5   00:00:07  4kN
>
>(Nemeth, Privat 06.12.2005)
>
>And Rybka?
>
>In Play:
>
>Rybka 1.0 Beta 32-bit vs. Nemeth,Eduard
>
>64MB, Eddi2.ctg, P 600 1.e8D 0.01/0  0  ½–½
>
>In Analysis:
>
>No Variant! (nothing found)

I think Reb has end game prblems. Some time it doesnt see mate in 1 then makes
unnecessary moves and finally mates after making couple of unnecessary moves.



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