Chess Puzzle #20196

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CHESS PUZZLE, FEN 2KNB3/6p1/5kP1/6Rp/7P/8/8/8 w - -

Added by:	asthaar
Added on:	08-Jan-10
Description:
Difficulty:	chess puzzle 2KNB3/6p1/5kP1/6Rp/7P/8/8/8 w - -
Attempts:	358
Solved:	75 (20%)


White to move, mate in 4

Comments: (11) » Last

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aidanbh
04-Apr-20, 02:32

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A second solution

Mate in 4 also from
1.Bd7 Ke7, 2.Rf5 Kd6, 3.Nb7+ Ke7, 4.Rf7 mate.

hankb
04-Apr-20, 14:00

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first solution?

Yes, that was the solution I found. Is there another one?

hankb
04-Apr-20, 14:02

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never mind

OK I saw it. That one was actually more interesting. Oh well.

buddeml
04-Apr-20, 19:34

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mate in 3

You can actually mate it in 3

aidanbh
04-Apr-20, 19:54

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buddeml

No, I don't believe that you can mate in 3, unless, perhaps, by an error from Black.

scottsquatch
10-Apr-20, 14:51

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First Solution?

I agree with hankb. I only found the solution that aidanbh is calling a "2nd solution." Please, aidanbh, what is the 1st solution that you're talking about? TY.

ulmer-1
10-Apr-20, 15:11

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To scottsquatch

The other solution begins with 1. Kc7!

aidanbh
10-Apr-20, 17:30

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To scottsquatch

The "first solution" is the one that the program allows... 1.Kc7 (as ulmer-1 pointed out) Ke7, 2.Rf5 KxB, 3.Kd6 KxN, 4.Rf8 mate.

snailmate
09-Nov-24, 02:48

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The so-called "second solution" submitted by aidanb fails after 3...Kc7.

@buddemi: Anyone can claim "you can actually mate in 3" or whatever. Unless you can demonstrate how, it's just bluster. Note that in all these puzzles, it is assumed that Black tries their best to avoid mate in the specified number of moves. A "mate in 3" that works provided Black does this and does not do that, is not a solution.

ulmer-1
27-Nov-24, 13:13

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To snailmate

"The so-called "second solution" submitted by aidanb fails after 3...Kc7.

@buddemi: Anyone can claim "you can actually mate in 3" or whatever. Unless you can demonstrate how, it's just bluster. Note that in all these puzzles, it is assumed that Black tries their best to avoid mate in the specified number of moves. A "mate in 3" that works provided Black does this and does not do that, is not a solution. "

>> 3...Kc7 is impossible. The puzzle has two solutions as the notation shows.

snailmate
28-Nov-24, 06:18

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@ulmer-1

You're right.I'm not sure what I was thinking there.

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