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Subject: Re: Fritz lost with the help of Tablebases

Author: blass uri

Date: 12:18:23 12/16/99

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On December 16, 1999 at 14:04:28, Steve Lopez wrote:

>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 problem is that fritz does not search when it has the CD.

It simply read the first move from the CD and if it is wrong then it is losing
the game.

It is the case with Fritz5 and I read that the same is with fritz5.32

I am sure that fritz can find the right move without the CD but chessbase
decided to use the CD and it is their problem.

Fritz could probably have better rating without the CD because in most of the
cases it can find the right move in simple endgames by regular search.

Uri



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