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Subject: Re: Computer Can't See the Win...Horizon Effect

Author: Pallav Nawani

Date: 10:25:20 03/22/05

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On March 22, 2005 at 11:05:11, Terry McCracken wrote:

>[D]8/3B4/5p2/5P1p/P4k2/1P6/r4PK1/8 b - - 0 1
>
>Terry

Natwarlal on 1.1Ghz Athlon says this:
 9  00:00:00  173       83KN h5h4 Bd7e6 Kf4g4 Kg2f1 h4h3 Kf1g1 Ra2a1+

 9  00:00:00  173       86KN h5h4 Bd7e6 Kf4g4 Kg2f1 h4h3 Kf1g1 Ra2a1+
                              (Kg1h2 Ra1f1 f2f3+ Rf1xf3 b3b4 )
 10  00:00:00  171      199KN h5h4 Kg2h3 Ra2xf2 b3b4 Rf2e2 Bd7e6 Re2b2
                              b4b5 Kf4e5 Kh3xh4 Rb2b4+ Kh4h5
 10  00:00:00  171      203KN h5h4 Kg2h3 Ra2xf2 b3b4 Rf2e2 Bd7e6 Re2b2
                              b4b5 Kf4e5 Kh3xh4 Rb2b4+ Kh4h5
 11  00:00:01  184      525KN h5h4 Bd7e6 Kf4g4 Kg2f1 h4h3 Kf1g1 Ra2d2
                              a4a5 Rd2d1+ Kg1h2 Rd1f1 f2f3+ Rf1xf3
 11  00:00:01  184      533KN h5h4 Bd7e6 Kf4g4 Kg2f1 h4h3 Kf1g1 Ra2d2
                              a4a5 Rd2d1+ Kg1h2 Rd1f1 f2f3+ Rf1xf3
 12  00:00:04  197     1754KN h5h4 b3b4 Kf4g4 Bd7c6 h4h3+ Kg2g1 Kg4xf5
                              a4a5 Kf5f4 Kg1h2 Kf4g4 Bc6d7+ f6f5 Kh2g1
           <snip> ------------- <snip>
 17  00:00:47  220    21873KN h5h4 Bd7c6 Kf4g4 Bc6f3+ Kg4xf5 Bf3d5 Ra2d2
                              Bd5c4 Kf5g4 a4a5 h4h3+ Kg2g1 Kg4h4 a5a6 Rd2b2
                              Bc4d5 Rb2a2 Bd5c4 Ra2d2
 18  00:01:47  223    50300KN h5h4 Bd7c6 Kf4g4 Bc6f3+ Kg4xf5 Bf3d5 Kf5e5
                              Bd5c4 f6f5 Kg2h3 Ra2xf2 Kh3xh4 Rf2a2 Bc4f7 f5f4
                              Kh4g4 Ra2g2+ Kg4f3 Rg2g3+ Kf3e2 Rg3g2+ Ke2d3
 18  00:01:51  223    52443KN h5h4 Bd7c6 Kf4g4 Bc6f3+ Kg4xf5 Bf3d5 Kf5e5
                              Bd5c4 f6f5 Kg2h3 Ra2xf2 Kh3xh4 Rf2a2 Bc4f7 f5f4
                              Kh4g4 Ra2g2+ Kg4f3 Rg2g3+ Kf3e2 Rg3g2+ Ke2d3
 19  00:03:59  231   113461KN h5h4 Bd7c6 Kf4g4 Bc6f3+ Kg4xf5 Bf3d5 Kf5e5
                              Bd5c4 Ke5f4 Bc4e6 f6f5 Be6c4 Kf4g4 Kg2g1 h4h3
                              Bc4f1 Ra2d2 b3b4 Rd2d4 Kg1h2 Rd4xb4 Bf1xh3+
 19  00:04:03  231   115667KN h5h4 Bd7c6 Kf4g4 Bc6f3+ Kg4xf5 Bf3d5 Kf5e5
                              Bd5c4 Ke5f4 Bc4e6 f6f5 Be6c4 Kf4g4 Kg2g1 h4h3
                              Bc4f1 Ra2d2 b3b4 Rd2d4 Kg1h2 Rd4xb4 Bf1xh3+
 20  00:07:57  235   222586KN h5h4 Bd7c6 Kf4g4 Bc6f3+ Kg4xf5 Bf3d5 Kf5e5
                              Bd5c4 Ke5f4 Bc4e6 f6f5 Be6c4 Kf4g4 Kg2g1 h4h3
                              Bc4d3 Ra2d2 Bd3c4 Rd2d1+ Kg1h2 Rd1d2 Kh2g1
 20  00:08:05  235   225912KN h5h4 Bd7c6 Kf4g4 Bc6f3+ Kg4xf5 Bf3d5 Kf5e5
                              Bd5c4 Ke5f4 Bc4e6 f6f5 Be6c4 Kf4g4 Kg2g1 h4h3
                              Bc4d3 Ra2d2 Bd3c4 Rd2d1+ Kg1h2 Rd1d2 Kh2g1

I suppose engines with tablebases might have an easier time here.

Pallav



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