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Subject: Re: A test position (avoiding a speculative sacrifice)

Author: Peter McKenzie

Date: 11:18:06 11/08/00

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On November 07, 2000 at 07:48:19, Uri Blass wrote:

>[D]3rr1k1/1bq1b1p1/pp1ppnnp/2p5/2P1P3/1PNBBN1P/P2Q1PP1/R2R2K1 w - - 0 1
>This position is from the ssdf games
>The target is to avoid Bxh6.
>
>The program that are called "bean counters" have no problem to solve it and
>never consider Bxh6 as best.
>
>Gandalf is not a "bean counter" so it played Bxh6 and lost against
>Shredder2(p200) after gxh6 Qxh6 Nf8 Ng5 e5(I think that Ng5 is another bad move
>and e5 is a better because it wins a pawn)
>
>I bought Gandalf4.32 and I decided to see if Gandalf can avoid Bxh6 at longer
>time control(I read that gandalf is better at longer time control)
>
>I use Gandalf as an engine for Hiarcs7.32.
>
>Unfortunately after more than 100  minutes on my pIII450 Gandalf continues to
>consider Bxh6 as best when the main line begins with Bxh6? gxh6 Qxh6 Nf8 Ng5?
>N6h7? with 0.64 pawns for white at depth 13 and 14.
>
>I hope that Gandalf can see the problem with the main line with more time.
>
>Uri

Lambchop liked Bxh6 (with score close to zero) at depths 9 and 10.  At 11 and
12, it prefered Rac1.

Cheers,
Peter



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