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Subject: Re: Yet another SEE test

Author: Michael Henderson

Date: 20:47:24 09/19/04

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On September 19, 2004 at 23:30:43, James Swafford wrote:

>Someone recently posted that they verify their SEE with a
>search (generating only moves to the target square).
>I did that,and seems I caught one. :)
>
>See position below... does your SEE see the promotion?
>
>
>
>Problem 1:
>8/7p/5k2/5p2/p1p2P2/Pr1pPK2/1P1R3P/8 b - - b3b2;
>
>parsing: b3b2...done.
>correct move(s): b3b2
>gamestage: 3
>search time=10000
>FW Dpth   Nd Cnt    CSecs  Score PV Line
> 4& ->      1495        0     30 h7h5 h2h4 c4c3 b2c3 b3c3
>*** val=-400 (currval=-400; sv=-800); see=400
>
>- - - - - - - -
>- - - - - - - p
>- - - - - k - -      white to move
>- - - - - p - -      no ep
>p - - - - P - -      no castling rights
>P - - - P K - P
>- - p - - - - -
>- - - q - - - R
>
>move h1d1
>
>--
>James

My SEE does not see promotions, so i get +400 SEE also.  There are a large
number of positions where SEE messes up...that you probably know. e.g Bxd5 isn't
really +300, unless you detect pins to the king.

[D]7k/2n3r1/8/3b4/8/5B2/6Q1/6K1 w - - 0 1



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