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Subject: Re: Test position

Author: Tom King

Date: 15:04:55 05/19/01

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On May 19, 2001 at 11:03:49, Dieter Buerssner wrote:

>In the game Yace - Goldbar in Leiden, the following position was on the board:
>
>[D] 1r3rk1/p1q2pp1/3b3p/7Q/2b5/3NB2P/n1P2PP1/R3RBK1 w - -
>
>I think, this may be suitable as a test position. Yace here played Bxh6.
>What do other programs think?
>
>Regards,
>Dieter
>
>Yace on AMD K6-2 475, 30M hash:
>
>   4731871  32.256   0.33  9t  1.Qg4 f5 2.Qd4 Rf7 3.Be2 Bh2+ 4.Kf1 Bd6 5.Nc5
>                               Bxc5 6.Qxc5 {10}
>  10210373  1:09.6   0.34  9t+ 1.Bxh6 gxh6 2.Re4 Bxd3 3.cxd3 Bh2+ 4.Kh1 Qc4
>  12640730  1:27.3   0.66  9t  1.Bxh6 gxh6 2.Re4 Be6 3.Qxh6 Qc3 4.Rxe6 Qxa1
>                               5.Qg5+ Qg7 6.Qxg7+ Kxg7H {HT} {-340}
>  13611852  1:33.3   0.66  9.  1.Bxh6 gxh6 2.Re4 Be6 3.Qxh6 Qc3 4.Rxe6 Qxa1
>                               5.Qg5+ Qg7 6.Qxg7+ Kxg7 {HT} {-340}
>  48138295  5:21.8   0.86 10t  1.Bxh6 gxh6 2.Re4 Bh2+ 3.Kh1 Rb6 4.Qg4+ Rg6
>                               5.Rxc4 Rxg4 6.Rxc7 Bxc7 {HT} {-420}
>  52663477  5:50.6   0.86 10.  1.Bxh6 gxh6 2.Re4 Bh2+ 3.Kh1 Rb6 4.Qg4+ Rg6
>                               5.Rxc4 Rxg4 6.Rxc7 Bxc7 {HT} {-420}

Latest version of Francesca (16MB hash, Celeron 500) fails high on Bxh6 after
345 seconds. Prior to that, she likes Qg4. So, maybe on fast hardware she would
play this at tournament time controls. Congratulations to Yace, on finding this
in just over one minute.

Anyhow, good luck to Yace (and the other freely available Winboard engines) in
the CSVN tournament!

BTW, what hardware is Yace running on?

Rgds,
Tom




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