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

Author: Jaime Benito de Valle Ruiz

Date: 05:01:43 08/29/03

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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??




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