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Subject: Re: Can black hold this position

Author: Uri Blass

Date: 13:25:22 02/28/02

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On February 28, 2002 at 15:33:47, Dann Corbit wrote:

>On February 28, 2002 at 15:00:03, Les Fernandez wrote:
>
>>[D]8/4b1k1/R5pp/2p1pp2/1pQq4/1P1P3P/1P3PPK/8 w - -
>>
>>
>>I am interested to know if the above position can be held by black.  White is
>>short on time but can force perpetual by Qe6.  Although a rook is better then a
>>bishop, most of the time, should white exchange queens here?  I am only an
>>average player but after doing a little analysis on this position Crafty reports
>>the following on a fairly slow machine. (Pentium 350, 256 mb ram)
>>
>>8/4b1k1/R5pp/2p1pp2/1pQq4/1P1P3P/1P3PPK/8 w - - acd 15; acn 170618898; acs 900;
>>ce 155; pv Kg1 Qxc4 bxc4 h5 g3 Kf7 Kg2 Bf6 Rc6 Be7 Kf3 g5;
>>
>>Although white is reported to have a 1.55 advantage after Kg1 I wonder if the
>>position can be held by black.  I also took a look at the position with white
>>taking the queen and the ce still appeared about the same with black capturing
>>white queen with cxd4.
>>
>>8/4b1k1/R5pp/2p1pp2/1p1Q4/1P1P3P/1P3PPK/8 b - - acd 17; acn 186582676; acs 902;
>>ce -151; pv cxd4 Kg3 Kf7 Kf3 h5 Rc6 Bf6 Rb6 Be7 g3 Bf8 h4 Be7;
>>
>>Question is with queens off the board can the white rook start chopping up the
>>black pawns while the black bishop exists? Can someone run this on better
>>hardware and tkae it a bit deeper to see what falls out?
>
>Despite an evaluation that thinks it is up a full piece, I think it is drawn.

I do not agree.

I believe that trading queens is a win based on my chess understanding without
using programs to help me
rook against bishop with many pawns on the board is generally a win for the
stronger side when there are no paseed pawns and the side have equal number of
pawns.

I do not cosider myself to be a strong chess player and my rating is close to
2000 but I believe that I am strong enough to understand that position.

Uri



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