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Subject: Re: CT 15 and evaluation problem

Author: Gerd Isenberg

Date: 13:52:49 11/02/03

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<snip>
>In the same vein, the following position has always been a nightmare for Tiger:
>
>[D]8/1KP5/3q2k1/8/6p1/8/8/8 b - -
>
>This position comes from a real game between the Modular Game System Sargon 2.5
>and Mike III, played in September 1980 during the Personal Computer World Fair.
>Mike III continued the game with a long series of checks leading to a draw.
>
>Chess Tiger is not smarter than Mike III here. It is something that I had fixed
>in the 16 bits version, to the expense of some added complexity in the passed
>pawns evaluation code. I have not transfered this code to the 32 bits version
>because it was not general enough (add another black pawn and the code did not
>work).
>
>I am interested in results of other (amateur and commercial) programs.
>
>
>
>    Christophe

Hi Christophe,

IsiChess on AMD XP2.6+ first shuffles around with Qb4+, Qxc7 and Qd7.
After 5 seconds at depth 13 Qxc7 came up. Mate in 14 resp. 12 after one minute
and 1:10. I guess a matter of won KPK eval.

Cheers,
Gerd



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