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Subject: Re: WM-Express question from a chess patzer

Author: Gabor Szots

Date: 10:27:26 12/14/05

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On December 14, 2005 at 13:19:43, Dann Corbit wrote:

>[D]5r1k/1p2r1b1/p2p1q1p/P2B1P1R/2P1p2R/4Q2K/7P/8 w - - bm Rg4; id
>WM_Test_Express_30";
>
>Rxh6+ looks like an easy win.  Obvously it's wrong because chess engines avoid
>it.  What am I missing?
>
>[Event "Edited position"]
>[Site "DCORBIT64"]
>[Date "2005.12.14"]
>[Round "-"]
>[White "-"]
>[Black "-"]
>[Result "*"]
>[FEN "5r1k/1p2r1b1/p2p1q1p/P2B1P1R/2P1p2R/4Q2K/7P/8 w - - 0 1"]
>[SetUp "1"]
>
>{--------------
>. . . . . r . k
>. p . . r . b .
>p . . p . q . p
>P . . B . P . R
>. . P . p . . R
>. . . . Q . . K
>. . . . . . . P
>. . . . . . . .
>white to play
>--------------}
>1. Rxh6+ Bxh6 2. Rxh6+ Qxh6+ 3. Qxh6+
>*
>
>P+B+Q for R+R.  Seems so simple.  But I have clearly overlooked something
>obvious.  What is it?

After 2. Rxh6+ black's answer is Rh7. Now you can't capture the queen because of
the pin.



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