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Subject: Re: Fritz - Quark (CCT4) after black's 61. move

Author: Uri Blass

Date: 01:20:37 01/29/02

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On January 29, 2002 at 02:12:01, Jouni Uski wrote:

>This kind of position is very difficult and I don't trust engines even after
>long analysis. Fritz seems to have problem just in this type R vs 2 pawns (+
>other material) ending - no surprise if it failed with 10 s time control! On
>whole Fritz7 is the best endgame player...
>
>Jouni

I believe that the blunder was at move 64.

[D]1K6/1P6/8/1R6/5kpp/8/8/2r5 w - - 0 64
64.Ka8 seems to be a draw

Nemeth's post does not give the best defence for white that yace find and 6.b8Q
instead of 6.Rb3+ in one of his lines seem to be a draw.

I have not the kRvs KPP here but after 64.Ka8 Ra1+ 65.Kb8 Re1 66.Rb4+ Kg3
67.Kc7 Re7+ 68.Kd6 Rb8 69.b8Q it seems to be a draw.

Can someone with the full 5 piece tables and good hardware
analyze it with yace?

Uri



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