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Subject: Re: My new Hobby with Fritz = Zugzwang!

Author: Torstein Hall

Date: 11:09:01 08/29/02

Go up one level in this thread


If you set selectivity to 0 in F7 it solves the probledm imidiately
New game

1kB5/p1p5/P1P5/PKp5/P1P5/8/7p/6bR w - - 0 1

Analysis by Fritz 7:

1.Bb7!
  +-  (#7)   Depth: 10/19   00:00:00  20kN

(H, Privat 29.08.2002)

Torstein

PS Remember to clear hashtable if you change setings


On August 29, 2002 at 12:32:49, Eduard Nemeth wrote:

>On August 29, 2002 at 11:15:25, Uri Blass wrote:
>
>>On August 29, 2002 at 10:46:45, Volker Pittlik wrote:
>>
>>>On August 29, 2002 at 10:01:58, Eduard Nemeth wrote:
>>>
>>>...
>>>>
>>>>[D]1kB5/p1p5/P1P5/PKp5/P1P5/8/7p/6bR w
>>>>
>>>>
>>>>Analysis by Fritz 7.008:
>>>>
>>>>1.Le6 Ka8 2.Lh3 Kb8 3.Lf5 Ka8
>>>>  +-  (4.06)  Tiefe: 35/47  00:01:39  33456kN, tb=138
>>>>1.Le6 Ka8 2.Lh3 Kb8 3.Lf5 Ka8
>>>>  +-  (4.06)  Tiefe: 36/48  00:02:33  51206kN, tb=301
>>>>1.Le6 Ka8 2.Lh3 Kb8 3.Lf5 Ka8
>>>>  +-  (4.06)  Tiefe: 37/51  00:03:37  74332kN, tb=604
>>>
>>>
>>>All engines I tested (Amy, Aristarch, Crafty, Comet, Dragon, LambChop, Nejmet,
>>>Pepito, SOS, Tao and Yace) found a mate within a second. I tried Fritz and
>>>confirm Eduard's post. What's wrong with Fritz here?
>>
>>Fritz is using null move in a more aggresive way.
>
>YES then...
>
>Analysis by Fritz 5.32:
>
>1.Le6 Ka8 2.Ld7 Kb8 3.Lg4 Ka8 4.Le6 Kb8 5.Ld7 Ka8
>  +-  (4.78)  Tiefe: 17/21  00:00:03  86kN
>1.Lb7!
>  +-  (4.88)  Tiefe: 17/21  00:00:03  95kN
>1.Lb7 Lf2 2.Txh2 Ld4 3.Th6 Lf6
>  +-  (#8)  Tiefe: 17/36  00:00:16  9379kN
>
>!!!
>
>Eduard
>
>>
>>I even know about cases when it has the right move but no pv because the move
>>threats nothing.
>>
>>I know about no other program with that behaviour.
>>
>>Uri



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