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Subject: Re: Mate in 7 moves - diagram

Author: William Bryant

Date: 17:55:50 09/27/00

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On September 27, 2000 at 04:45:38, Eduard Nemeth wrote:

>[D]8/8/p3R3/1p5p/1P5p/6rp/5K1p/7k w - - 0 1
>
>Shredder 4 and Fritz 6a this don't find !
>
>Eduard

Screamer build 55 finds this rather fast. 1.698 seconds.
G3 266mhz 24mb hash running in the background
Screamer is a Null mover.

The Current Search Time: 600 seconds
PLY          NODES       TIME      SCORE  PV
______________________________________________________________
 5/00         3013       0.053     -7.08  Rxa6 Rg2+ Ke3 Rc2 Ra7 Kg2
 6/00         6647       0.151     -6.78  Rxa6 Rg2+ Kf3 Rg1 Ra7 Rg2 Ke4
 7/00        11236       0.243     -6.88  Rxa6 Rg2+ Kf3 Rg1 Ra7 Rg3+ Kf2 Rg4 Ra1
 8/00        23798       0.443     -6.88  Rxa6 Rg2+ Kf3 Rg1 Ra7 Rg3+ Kf2 Rg4 Ra1
 9/00        86349       1.338     -6.98  Rxa6 Rg2+ Kf3 Rg7 Ra1+ Rg1 Ra6
 9/01       102788       1.639        ++  Re1+
 9/01       103414       1.698   +327.54  Re1+ Rg1 Rf1 Rxf1+ Kxf1 a5 bxa5 b4 a6
b3 a7 b2 a8=Q++

William
wbryant@ix.netcom.com




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