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Subject: Re: What is the principle continuation of this position

Author: Larry Griffiths

Date: 18:59:21 09/03/00

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On September 03, 2000 at 11:31:48, Uri Blass wrote:

>On September 03, 2000 at 11:17:50, Larry Griffiths wrote:
>
>>[D]3r2k1/p2r2p1/1p1B2Pp/4PQ1P/2b1p3/P3P3/7K/8 w - - bm e6;id "BT2450-27";
>>
>>Best move is "e6", but my program keeps picking "Qxe4".
>>
>>What makes e6 the correct move?  I only ran this positions to 12 plys.
>>
>>Larry.
>
>The line 1.e6 Rxd6 2.Qf7+ Kh8 3.e7 Rd2+ 4.Kg3 b5 5.exd8Q+ Rxd8 6.Qxa7  gives
>white a material advantage.
>
>Another possibility is 4...Bxf7? 5.gxf7 Rg2+? 6.Kxg2 Rd2+ 7.Kg3 so without
>extensions you cannot and only 12 plies your program cannot see that white is
>winning.
>
>This possibility is probably the reason that your program cannot see the right
>move.
>
>Uri

I do have QSearch code now that does captures.  It sure is depressing to see
folks get 15 plys here inside of a minute when I can only get 12 plys in 30
minutes.

Larry.



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