CHESS PUZZLE, FEN 4k3/1N5N/1N5N/8/p7/Pp6/RP6/2K5 w - -

Added by:excile
Added on:25-May-10
Description:
Difficulty:
chess puzzle 4k3/1N5N/1N5N/8/p7/Pp6/RP6/2K5 w - -
Attempts:1043
Solved:617 (59%)
White to move, mate in 3
Comments: (17) » LastGo to last comment
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pulsepulse69
08-Apr-19, 00:37

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no horseplay in this one
phonybenoni
08-Apr-19, 01:05

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An amusing set-up. I like how the Black king can do nothing but walk the narrow patho f his prison cell.

What I'd like to se with this set-up is an extension, making it longer. For example, here's a six-move version with a minimal change:



This takes it to six moves, but there's a problem: after 1.Ra1 Ke7 2.Kc1 Ke6 3.Kd2 Ke5 4.Ke3 Ke6, both 5.Kd4 and 5.Kf4 are mate next move. I don't see a way to avoid this without ruining th charm of the position.

So here's another try, but I don't know if I ike tis as much: puzzle #222714
existentialist
08-Apr-19, 01:33

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I have no trouble with the solution.
It is cute, thematic, and instructive.

I do find it hard to believe that with all that horsepower that there isn't a duplicate solution hiding somewhere, but maybe not . . .
mkchess
08-Apr-19, 09:44

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existentialist
Off topic. (This is more a geometrical observation than a chess commentary).

The symmetry of knights and king shows that if the solution is unique then the first move isn't a knight move (e.g. if 1. Ng5 solves then 1. Nc5 also solves).

This has an obvious implication.

If you note this and you believe that the problem is correct (there is only one solution) the first move is completely obvious (well, this is not a usual way to solve a chess problem, but...)
little_bishop
08-Apr-19, 16:03

Comment deleted on 08-Apr-19, 16:26
mkchess
08-Apr-19, 16:15

Comment deleted on 08-Apr-19, 16:15
mkchess
08-Apr-19, 16:19

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little_bishop
1. Kd2 bxa2 and...?

In this cases you can use the option "another solution" to test a variation.
little_bishop
08-Apr-19, 16:23

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no wait i'm drunk, i need to sleep probably   thx mkchess
jrlahive
08-Apr-19, 19:23

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I tried
1. Kd2, and kept getting an error message
matidor
08-Apr-19, 23:06

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@jrlahive
Your rook on the A file can be captured by blacks pawn if you play 1.Kd2
jrlahive
09-Apr-19, 11:54

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Thx Matador - missed that...
savonsika
05-Jan-23, 07:26

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Very good puzzle
This was a very good and funny puzzle!
I did not realize the solution.
jett22
05-Jan-23, 09:01

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Silly puzzle
But, silly as it is, it was fun, brought a  
enologist
05-Jan-23, 15:22

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Unique
I'm mostly amused by the clever horse commentary.

It makes sense that the Rook would have to pony up and do his part.
ctnz
05-Jan-23, 23:57

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A nice one
for my coaching files. Kids love to laugh!
enologist
21-Sep-25, 13:08

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Amusing
This is a position that would never occur in a game. However, it's an interesting thought puzzle, particularly since the three square corridor that the King is forced to walk isn't immediately apparent.

Here's a puzzle that I created with a similar "impossible position" theme where there are many possible moves, but the solution may not be obvious: gameknot.com
notvinnik
21-Sep-25, 17:47

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Chess humor
Not difficult, but funny.
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