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Subject: Re: Fritz Knowledge ?

Author: Dann Corbit

Date: 15:27:14 11/19/01

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On November 19, 2001 at 16:31:16, Chessfun wrote:

>
>This position came about in a game where Fritz 7 clearly
>winning played a move which seems to lose immediately,
>although he still don't see he is lost for a few moves.
>
>35...Rd5 and lost.
>
>Seems all Fritz versions will play 35....Rd5.
>
>[D]8/1p3pk1/p1p3pp/2P1r3/1P1R4/P6P/5K1P/8 b - b3 0 35

Beowulf falls for the same thing, even thinking the move to be up a full bishop.

ID =
FEN = 8/1p3pk1/p1p3pp/2P1r3/1P1R4/P6P/5K1P/8 b - b3

. . . . . . . .
. p . . . p k .
p . p . . . p p
. . P . r . . .
. P . R . . . .
P . . . . . . P
. . . . . K . P
. . . . . . . .

Current Position = 2.90
Number of Possible Moves = 24

  8    298      96     145923   e5d5 d4e4 g7f6 h3h4 h6h5 a3a4 d5e5 e4f4 e5f5
  9    298     249     398932   e5d5 d4e4 g7f6 e4e3 h6h5 f2g2 d5d2 g2g3 d2d4
 10    295     637    1049653   e5d5 d4e4 g7f6 e4e3 d5e5 e3d3 h6h5 d3d6 e5e6
f2g2 f6g7
 10    296    1356    2211535   g7f6 d4d7 e5e7 d7d4 f6f5 h3h4 f7f6 f2f3 e7f7
 11    295    2224    3634360   g7f6 d4d7 e5e7 d7d4 f6g7 h3h4 h6h5 h2h3 f7f5
d4d6 g7h6
 11    301    3230    5260758   e5d5 d4e4 d5d7 e4e3 f7f5 e3f3 g7f6 f2g3 d7d5
g3g2 d5d2 g2g3

Search Time : 120.0 Seconds
Total Nodes Searched   : 19080082  (71.9% Qui)
Total Nodes Evaluated  : 13716622
Cuts       : Delta      247  : SEE     1062048  : Mate          0
           : Razor  1288580  : Eval       3450
Extensions : Check   889487  : OneRep     6014  : CMThreat   1595
           : Pawn     32872  : Recap     44724  : RevCheck   4435
Hash Stores (Size) : 2230792  (1398091)
Hash Probes (Hits) : 14455941  (3813133)
EGTB Probes (Hits) : 0  (0)
Move Ordering      : 74.9%
Best Move = e5d5
--Answer: Kf6    !! Incorrect !!



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