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Subject: Re: Evolution bug?

Author: Kurt Utzinger

Date: 04:53:29 05/17/05

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On May 17, 2005 at 07:45:00, Günther Simon wrote:

>On May 17, 2005 at 06:25:25, Kurt Utzinger wrote:
>
>>On May 16, 2005 at 12:06:13, David Dahlem wrote:
>>
>>>In a game against Crafty Cito, in this position ...
>>>
>>>[D]5rk1/n1q4p/4brp1/1p2p1Q1/p3B1PN/P2PP3/1R5P/1R4K1 w - - 0 40
>>>
>>>Little Goliath Evolution played Rb2, instantly, without any thinking time. In
>>>analysis mode, Evolution doesn't show a pv from this position, only the one
>>>move, Rb2. This looks like some kind of bug. Could someone else try Evolution on
>>>this position?
>>
>>
>>      Hi Dave
>>      No problem here with LG Evolution in this position
>>      on P4 1.8/32 MB hash
>>      Kurt
>>
>>Neue Partie,
>>5rk1/n1q4p/4brp1/1p2p1Q1/p3B1PN/P2PP3/1R5P/1R4K1 w - - 0 1
>>
>>Analysis by Little Goliath Evolution:
>>
>>40.d4 exd4 41.Nf5 dxe3 42.Nxe3
>>  ³  (-0.36)   Tiefe: 6/23   00:00:00  37kN
>>  µ  (-1.27)   Tiefe: 7/23   00:00:00  201kN
>>40.Nf5 Qc3 41.Nd6 Rf1+ 42.Rxf1 Rxf1+ 43.Kxf1 Qc1+ 44.Kf2 Qxb2+ 45.Ke1 Qxh2
>>46.Qd8+ Kg7
>>  µ  (-1.15)   Tiefe: 7/23   00:00:00  226kN
>>  µ  (-0.89)   Tiefe: 7/27   00:00:00  311kN
>>40.Rb4 Qc2 41.Bxg6 hxg6 42.Nxg6 Qf2+ 43.Kh1 R8f7 44.Nxe5+ Rg7 45.Qh5 Qxe3
>>46.Qe8+ Kh7 47.Re4
>>  µ  (-0.80)   Tiefe: 7/27   00:00:00  314kN
>>  µ  (-0.93)   Tiefe: 11/36   00:00:10  11998kN
>>40.Rg2 Kg7 41.Nf5+ Kh8 42.Ng3 Qd6 43.Ra1 R6f7
>>  µ  (-0.84)   Tiefe: 11/36   00:00:14  16795kN
>>  ³  (-0.65)   Tiefe: 13/37   00:00:44  45673kN
>>40.Rb4 Qc2 41.R4b2 Qc3 42.Bxg6 hxg6 43.Nxg6 Rf1+ 44.Rxf1 Rxf1+ 45.Kxf1 Qc1+
>>46.Kf2 Qxb2+ 47.Kg3 Qxa3 48.Nxe5+
>>  ³  (-0.57)   Tiefe: 13/37   00:00:55  60160kN
>>  ³  (-0.57)   Tiefe: 13/37   00:00:55  60160kN
>>
>>(Utzinger, MyTown 17.05.2005)
>
>
>You should read the bigger thread in the WB forum, but I guess
>you are still too stubborn for php based fora ;)

       PHP based fora are indeed very seldom visited
       by me -:) It seems as if I am going to miss
       some important things by this stubborn behaviour.
       Kurt
>
>You did not use the large book obviously, but the little
>standard book from the default installation, or may be no
>native book at all, it seems?

      I worked with deactivated (renamed) book as
      it was impossible for me to switch the book off.
      Kurt

>We have found meanwhile more and more wrong hash entries,
>stored in the large book, but so far it seems the little
>book is ok. Same prob already existed with a book from
>last version.
>
>Regards,
>Guenther



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