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Subject: Re: Sample of Junior5 tactical strength

Author: Dirk Frickenschmidt

Date: 17:10:52 09/18/98

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On September 18, 1998 at 07:47:32, Ernst A. Heinz wrote:

Hi Ernst,

>On September 17, 1998 at 16:56:52, Dirk Frickenschmidt wrote:
>>On September 17, 1998 at 14:38:52, James Robertson wrote:
>>>Chessmaster 5500 does pretty well on my P233:
>>>Move     Depth     Time     Score
>>>e4xa8    6         1 sec    6.39
>>>e4xa8    7         11 sec   0.99
>>>d3-g5    7         50 sec   1.69
>>>g2-g4    7         58 sec   3.70
>
>Dirk,
>
>I believe we already analyzed this positions with many different programs
>a while back. If I remember correctly, Roland Pfister (author of "Patzer")
>said that "Patzer" solved it very quickly but maybe for the wrong reason ...

Oops, I didn't remember that.

I just browsed through the position in my tactical database and was suprised
that Junior5 found the solution considerably faster than Fritz5, Mchess7.1 and
Rebel9 and in contrast to them would have avoided trouble on tournament level
even on my 200MMX.

>Anyway, "DarkThought" spots the trouble with Bxa8 in iteration #12
>(fail-low with large negative score) after roughly a minute on a 600MHz
>Alpha-21164a. It locks onto g4 in the same iteration after another 30 sec,
>i.e., after 1:30 min overall.
>
>=Ernst=

Thanks for reminding me...

Kind regards
from Dirk



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