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Subject: Re: How long to see black is winning + crafty bench

Author: Dieter Buerssner

Date: 11:20:18 03/26/05

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On March 26, 2005 at 14:14:00, Kim Roper Jensen wrote:


>Hmm what about 3. .. hxg3+ 4. Kxg3 f4+
>
>[D] 8/1pk5/8/2Pp2p1/P2P1p2/6KP/8/8 w - - 0 5
>
>How does the drawing line look ?

With bitbases (some sort of TBs) I get:

  12721363  14.062   0.00 14t  5.Kg4 b6 6.h4 gxh4 7.cxb6+ Kxb6 8.Kxh4 f3 9.a5+
                               Ka6 10.Kg3 Kb5 11.Kxf3 {INTREC} {80}

But the line might be not so logical for a human, because any draw line will be
the same for the engine, wether the opponent has to fight for it, or myself.
Perhaps the line without any TBs shows more:

  33454089  33.828  -0.10 15.  5.Kg4 b6 6.h4 gxh4 7.cxb6+ Kxb6 8.Kxh4 Ka5
                               9.Kg4 Kxa4 10.Kxf4 Kb4 11.Kf3 Kc3 12.Ke2 Kxd4
                               13.Kd2 Ke4 14.Ke2 d4 15.Kd2 d3 16.Kd1 Ke3
                               17.Ke1 Kd4 18.Kd1 Kc5 19.Kd2 Kc4 20.Kd1 Kd4
                               {-80}

Regards,
Dieter





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