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Subject: Re: wrong evaluation by Fritz 6a

Author: blass uri

Date: 07:12:06 03/01/00

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On March 01, 2000 at 09:36:41, Jeroen van Dorp wrote:

>Hi fellow CCC-ers
>
>I played a blitz game on FICS and came in this lost position.
>Analyzing afterwards supported by Fritz I found out Fritz gave the following
>evaluation:
>
>OhWellOkay - Jeroen
>[D]3R4/p7/1pb1k3/4r2p/4p1p1/2P3P1/PP3P1P/4R1K1 b - - 0 42
>
>Analysis by Fritz 6:
>
>1. = (0.00): 42...Kf5
>2. +- (2.22): 42...Bd5 43.b3 Ke7 44.Rh8 Bf7 45.Rh6 Kf8 46.Rd6 Rd5 47.Rxd5
>3. +- (2.25): 42...a5 43.Red1 Ke7
>4. +- (2.41): 42...Ke7 43.Rc8 Kd7 44.Rh8 Rd5 45.Rh7+ Kc8 46.Rxa7 Rd2 47.b3
>
>Of course after playing Kf5, which I actually did, the assessment is
>
>OhWellOkay - Jeroen
>3R4/p7/1pb5/4rk1p/4p1p1/2P3P1/PP3P1P/4R1K1 w - - 0 42
>
>Analysis by Fritz 6:
>
>1. +- (2.31): 43.Red1 Re6 44.Rh8 Kg6 45.h3 gxh3
>2. +- (2.16): 43.h3 gxh3 44.Kh2 Rb5 45.b4 Kg4 46.Rg8+ Kf3 47.Rf8+ Kg4
>3. +- (2.16): 43.h4 gxh3
>4. +- (2.16): 43.Kf1 a6 44.Rf8+ Kg6 45.Rb8 Re6 46.c4 Ba4 47.b3 Bd7
>
>
>Why does Fritz give the 0.00 evaluation without a further suggested line and
>switches to normal evaluation after playing 42...Kf5?
>Any ideas, or is this old stuff?

Maybe Kf5 leads to repetition of the position and Fritz assumes that repetition
is a draw.
I cannot know if I do not have all the game.

Uri




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