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Subject: Re: One mate to solve.

Author: Paul

Date: 10:51:05 09/30/01

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On September 30, 2001 at 13:21:49, leonid wrote:

>On September 30, 2001 at 12:26:48, Paul wrote:
>
>>On September 30, 2001 at 11:06:55, leonid wrote:
>>
>>>Hello!
>>>
>>>Since my computer had no Web connection for more that one week, I accumulated
>>>many new positions. Will place here, at least, one of them.
>>>
>>>[D]qbbqnqqq/3Pq3/3Pq3/3Qq3/2PQBn2/1K1NB1k1/Q2NR2q/3QR3 w - -
>>>
>>>It could be that somebody will recognize this position as Chinese character
>>>"NO". Its origin is curious. Invented, as many other characters, to contain some
>>>visual or logical connotation, it contain one. Picture, or logic, help in
>>>remebering each character. In this, horizontal line stays for higher limit of
>>>the sky, while below it is a bird that try to reach it. Since bird can never fly
>>>up to upper line on the sky this character indicate negation, "NO".
>>>
>>>Please indicate your result.
>>>
>>>Leonid.
>>
>>Hi Leonid,
>
>Hi, Paul!
>>
>>I'll give it another try ... the more data I get about my bug the better.
>>Pretz found a mate in 9 here:
>
>Your Pretz is perfect! This is mate in 9. I solved this position by brute force
>and this is why I am sure.
>
>
>>00:17 WM9 07 Bxf4+ Qfxf4 Rg1+ Qxg1 Q1xg1+ Kh4 Rh2+ Qh3 Rxh3+ Kxh3 Nxf4+ Qxf4
>>Bg2+ Qxg2 Qgxg2+ Kh4 Qxf4#
>>
>>and for black it says mate in 8. Hope you'll give us some mate in 12 or 13's in
>>the near future, is better for my testing.
>
>This is nice finding. I looked into position but had impression that mate for
>black is not there. I was wrong. Will ask later mate for black side.

That's a surprise, because it seems very easy (1 second):

00:01 BM8 06 Qb6+ Nb4 Qxb4+ Kxb4 Q7xd6+ Qxd6 Q6xd6+ Kc3 Qb4+ Kc2 Qxa2+ Kc1 Qab2+
Qxb2 Qexb2#

Groetjes,
Paul



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