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Subject: Re: Fritz lost with the help of Tablebases

Author: Steve Lopez

Date: 11:04:28 12/16/99

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On December 16, 1999 at 13:50:14, Bertil Eklund wrote:

>
>Hi!
>
>Tiger was in big trouble in this game but Fritz5.32 wrongly exchanged to an
>endgame with queen + pawn against queen but realised that it was a draw.
>In this position the TB´s kicked in w:Kb7, Qd8+ (last move) b:Kg5, Qa4, a5
>
>Fritz  played Kf4??? immediately and lost the queen and the game.
>In the move-list it picked the first move and lost.
>
>This is the move-list:
>1.Kf4 (0)
>1:Kg4 (0)
>1:Kf5 (0)
>1:Kh5 (0)
>1:Kg6 (0)
>1:Kh6 (0)
>
>Everything is possible with Fritz´s tablebases.
>

I checked this position three times using "infinite analysis". The first time it
preferred 1...Kf5 (10 ply search), the second and third times 1...Kg4 (11 ply
search). It never even considered 1...Kf4, even before the tablebases kicked in
off the CD.

-- Steve Lopez

The Chess Kamikaze Home Page: http://www.geocities.com/ludekdudek/
The Chess Kamikaze Club: http://clubs.yahoo.com/clubs/chesskamikazes



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