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Subject: Re: BS 2830-Test Position 3

Author: Vasik Rajlich

Date: 06:58:41 09/11/04

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On September 10, 2004 at 17:40:21, Eduard Nemeth wrote:

>BS 2830-Test Position 3 (Bh3+!):
>
>[D]r1bq1rk1/pp4bp/2np4/2p1p1p1/P1N1P3/1P1P1NP1/1BP1QPKP/1R3R2 b - - 0 1
>
>Pro Deo 1.0vff (only) on P3 600 with 48 MB Hash.
>
>Analysis by Pro Deo 1.0vff:
>
>1...Lg4 2.Scd2 Dd7 3.De3 Lh3+ 4.Kg1 Lxf1 5.Txf1 h6 6.Sc4
>  ³  (-0.69)   Tiefe: 10   00:00:12  1581kN
>1...Lg4 2.Scd2 Dd7 3.De3 Lh3+ 4.Kg1 Lxf1 5.Txf1 h6 6.Sc4 Dg4 7.Sfd2
>  µ  (-0.89)   Tiefe: 11   00:00:28  4961kN
>1...Lg4 2.Scd2 Dd7 3.De3 Lh3+ 4.Kh1 Lxf1 5.Txf1 h6 6.Sg1 g4
>  µ  (-0.85)   Tiefe: 12   00:01:00  11790kN
>1...Lh3+ 2.Kg1 Lg4 3.Scd2 Df6 4.Kg2 Dh6 5.Tfe1
>  µ  (-0.87)   Tiefe: 12   00:01:55  26231kN
>1...Lh3+ 2.Kg1 Lg4 3.Scd2 Df6 4.Kg2 Dh6 5.Kg1 Dh5 6.Kg2 Sb4
>  µ  (-1.23)   Tiefe: 13   00:02:24  33045kN
>
>(Nemeth, Privat 10.09.2004)
>
>Eduard.

It's not clear whether .. Bg4 or .. Bh3 is better. .. Bh3 wins a queen for a
rook and bishop, while .. Bg4 wins the quality, so which one an engine will
prefer depends on how it scores those imbalances.

Vas



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