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Subject: Re: Chess puzzle

Author: Martin Baumung

Date: 23:05:35 03/21/05

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On March 21, 2005 at 18:18:36, Andreas Guettinger wrote:

>On March 21, 2005 at 17:00:25, George Tsavdaris wrote:
>
>>On March 21, 2005 at 14:11:06, masros tukiran wrote:
>>
>>>Sorry,if this post is off topic.I have a  chess puzzle.Can anyone create a
>>>position that match the following condition:
>>>
>>>1)BLACK move and double-check the WHITE's King,
>>>2)WHITE escaped the doublecheck WITHOUT CAPTURING ANY BLACK's PIECE  and
>>>3)At the same time demasked another line so that now the BLACK King is in check
>>>4)And this check is MATE!
>>>ALL THIS MUST HAPPEN IN TWO CONSECUTIVE MOVES!
>>>
>>
>>Although i don't understand the below 2 replies (i know they don't have nothing
>>to do with your puzzle but i don't understand them generally....), i will give
>>my answer:
>>I have found many such games with the above conditions(in fact it's easy to find
>>thousands......) but of course i will give only 1:
>>
>>[D]2R5/2b1N3/8/1p2n3/Npk2KR1/1p6/4B3/8 b - - 0 1
>>1...Nd3+ (double check)
>>2.Ke3 Mate!
>
>great!
>As far as I'm concerned, the only right solution until now.
>
>regards
>Andy

So please tell us what you think is wrong with the two solutions posted below. I
have no clue... As far as my solution is concerned, of course that was before
the new #1 rule 'white's last move was no check' was added.

Pierre's:

[D]8/8/8/3B4/4r3/4p3/3P3p/3RK2k b - - 0 1

1...e3xd2++ 2.Kf2#

Mine:

[D]1Q6/8/Bb6/p1n5/1k1K1R2/p7/8/BR6 b - - 0 1

1...Nc5b3++ 2.Kd4d5#

Both comply with all stipulations, don't they?

Martin



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