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

Author: Volker Pittlik

Date: 07:46:45 08/29/02

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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?

BTW: it is a mate:

CHEST version 3.19, 01-Jun-2002
Options = -M64 -eLSUr
Input file: STDIN
Reading job:
W:  Kb5 Th1 Lc8 Ba4 Ba5 Ba6 Bc4 Bc6 (8)
S:  Kb8 Lg1 Ba7 Bc7 Bc5 Bh2 (6)
FEN: 1kB5/p1p5/P1P5/PKp5/P1P5/8/7p/6bR w - -
analysing (mate in 10 moves):
Solution (in 7 moves):
	Lc8 - b7
Time (virt) = 0.861 sec

PV= Bb7 Bf2 Rxh2 Bh4 Bc8 Bg3 Rg2 Bh4 Bd7 Bg3 Rxg3 Ka8 Rg8#;

Volker

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