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Subject: Re: positions to search deep for hours at 500 cpu's

Author: Drexel,Michael

Date: 23:54:10 09/19/03

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On September 20, 2003 at 02:35:51, Dieter Buerssner wrote:

>On September 19, 2003 at 19:14:00, Drexel,Michael wrote:
>
>>Would 500 cpu's Diep be able to solve (or at least to win) this position:
>>
>>5k2/4R3/2K3p1/4BbPn/8/8/8/8 w - - 0 89
>
>Yace with one CPU:
>
>1141098779 17:32.9   2.62 21.  89.Bd6 Kg8 90.Ra7 Bg4 91.Be5 Kf8 92.Kd6 Bf5
>                               93.Rh7 Bg4 94.Kc7 Kg8 95.Re7 Bf3
>1744652790 26:52.9   2.62 22t  89.Bd6 Kg8 90.Ra7 Bg4 91.Be5 Kf8 92.Kd6 Ke8
>                               93.Rh7 Kf8 {HT}
>1842109237 28:25.5   2.63 22t+ 89.Kd6 Bg4
>2162801813 33:36.8   2.63 22t  89.Kd6 Bg4 90.Bg7+ Kg8 91.Kc7 Ng3H 92.Be5H Nf5H
>                               93.Bg3H {HT}
>2376422875 36:55.4   2.63 22.  89.Kd6 Bg4 90.Bg7+ Kg8 91.Kc7 Ng3 92.Be5 Nf5
>                               93.Bg3
>2965965223 46:11.8   3.03 23++ 89.Kd6 Bg4 90.Bg7+ Kg8 91.Kc7 Ng3 92.Be5 Nf5
>                               93.Re6 Bh5 94.Kd8 Kh7
>3492135519 54:30.9   4.03 23++ 89.Kd6 Bg4 90.Bg7+ Kg8 91.Bh6 Bf5 92.Re8+ Kh7
>                               93.Ke7 Nf4 94.Kf8 Ne6+ 95.Kf7 Nc7 96.Re7 Ne6
>                               97.Kf6+ Kh8 98.Bg7+ Kh7 99.Re8 Nf8
>3577698695 55:51.8   4.03 23t  89.Kd6 Bg4 90.Bg7+ Kg8H 91.Rc7H {HT}
>3774974290 58:54.6   4.03 23.  89.Kd6 Bg4 90.Bg7+ Kg8 91.Rc7
>1098543098 1:24:49   4.43 24++ 89.Kd6 Bg4 90.Bg7+ Kg8 91.Bh6 Nf4
>1711791222 1:34:01   5.43 24++ 89.Kd6 Bg4 90.Bg7+ Kg8 91.Bh6 Bf5 92.Re8+ Kh7
>                               93.Ke7 Nf4
> 192377309 2:12:32  10.42 24t  89.Kd6 Bd3 90.Bg7+ Kg8 91.Kd7H {HT}
>2635534707 2:45:49  10.42 24.  89.Kd6 Bd3 90.Bg7+ Kg8 91.Kd7
>3277068605 3:55:04  10.82 25++ 89.Kd6 Bd3 90.Bg7+ Kg8 91.Bh6 Nf4 92.Re3 Bb5
>                               93.Re4 Nh5 94.Rb4 Be8 95.Ke7 Bc6 96.Rb8+ Kh7
>                               97.Rc8 Ba4 98.Kf8 Nf6 99.gxf6 Bb3 100.f7 Kxh6
>                               101.Ke7 Kh5 102.Rc5+ Kg4 103.f8=Q Bf7
>4225920463 5:07:50  11.81 25t  89.Kd6 Bg4 90.Bg7+ Kg8 91.Re8+H Kxg7H 92.Ke7H
>                               {HT}
>
>Regards,
>Dieter

I should have tried Yace.
Shredder and Hiarcs were not able to solve it in 3 hours (at least on my slow
1.8 GHz AMD computer 3,4,5 men, IDE)

Michael



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