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Subject: Re: Mate in 19, which program?

Author: Uri Blass

Date: 09:43:05 03/08/02

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On March 08, 2002 at 12:31:14, Heiner Marxen wrote:

>On March 08, 2002 at 09:22:58, Ed Schröder wrote:
>
>>[d]4r3/p1p1pPp1/P1P1P1P1/5K2/3p2P1/7p/3P1ppr/3R1nkq w - - id M19;
>>
>>I came across this beauty, mate in 19 moves. Rebel has no clue.
>>
>>Ed
>
>After 15 minutes (Athlon 1500+, 128 MB hash) Chest says "no mate in 12".
>With an EBF above 6 this extrapolates to 8 years for the mate in 19.
>Uhh.
>Not reachable for Chest, as is.
>
>Cheers,
>Heiner

I am not so sure
Maybe chest is going to surprise us and find an alternative mate in 14.

I also could not prove that there is no shorter mate then mate in 19 so I cannot
be sure that the mate in 19 that I found is really the shortest mate.

Uri

• Re: Mate in 19, which program? Miguel A. Ballicora 11:46:41 03/08/02
  • Re: Mate in 19, which program? Pierre Bourget 13:20:24 03/08/02
  • Re: Mate in 19, which program? Uri Blass 12:18:35 03/08/02
    • Re: Mate in 19, which program? Miguel A. Ballicora 15:46:01 03/08/02
      • Re: Mate in 19, which program? Uri Blass 21:12:53 03/08/02
        • Re: Mate in 19, which program? Miguel A. Ballicora 14:19:11 03/09/02
• Re: Mate in 19, which program? Heiner Marxen 10:28:16 03/08/02

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