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Subject: Re: Puzzle Position: Mate in (what your engine says?)

Author: Arturo Ochoa

Date: 06:40:22 08/29/03

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On August 29, 2003 at 08:01:43, Jaime Benito de Valle Ruiz wrote:

>On August 29, 2003 at 07:25:13, chandler yergin wrote:
>
>>On August 29, 2003 at 07:02:50, George Tsavdaris wrote:
>>
>>>On August 29, 2003 at 06:26:26, Andy Prap wrote:
>>>
>>>>There is a puzzle in a Newspaper today where it is said White plays +
>>>>it mates in 5. What your is your engine saying? I think it takes longer than M5,
>>>>as Black has some solutions.
>>>>
>>>>[D] 3rn1k1/pb3p2/1p1rp1p1/2q1N1P1/5P2/2PB4/PP5Q/2KRR3 w - - 0 1
>>>>
>>>>What do you think?
>>>>
>>>Absolutely no Mate in 5 exists. Of course white is winning after Rh1.
>>What's wrong with this mate?
>>1.Nxf7 Kxf7 2.Qh7+ Ng7 3.Bxg6+ Kf8 4.Qh8+ Ke7 5.Qxg7# Line
>>cy
>
>No one doubts that white can easily win here, but after
>
>1.Nxf7 Kxf7
>
>It is probably better 2Bxg6
>
>Anyway, if after 2.Qf7+ black plays 2...Ng7, it is mate in 3, yes, but if black
>plays 2...Kf8, how do yo play to checkmate in 3??

I dont see how White can mate with 2. ... Rf8. I only see a perpetual check.



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