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Subject: Re: Does this position blow up your program? 2

Author: Drexel,Michael

Date: 03:24:53 12/26/02

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On December 26, 2002 at 05:17:03, Sune Fischer wrote:

>On December 25, 2002 at 23:23:48, Drexel,Michael wrote:
>
>>[D] Q2Q2Q1/1R6/3BR3/3k3N/2RB2Q1/5R2/Q2Q2Bp/3N3K w - - 0 1
>>
>>Problem:
>>White to move
>>If white gives check it has to be mate in one.
>>Find a legal position with the highest number of possible checks.
>>
>>I discovered this 5 years ago. Took me about 16 hours to find it.
>>I think it is possible to find a proof that it is not possible to find more:
>>
>>85 mates in one! :-)
>
>Are you sure, I "only" count 78 mates??
>
>Mates ply 0........: 0
>Mates ply 1........: 78
>Mates ply 2........: 0
>Mates ply 3........: 468
>Mates ply 4........: 0
>Mates ply 5........: 9538
>
>how did you count them?
>
>>I must have been crazy.
>
>Yes, you will fit right in here :)
>
>-S.

I think I havent used calculator or computer to count them.
I presume simpy like that:

Rb7 14
Rf3 14
Re6 10
Rc4  9
Bd4 13
Bd6 11
Nd1  2
Nh5  2
Qa5  4
Qg5  4
Qe4  1
Qf5  1
------
S   85



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