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CHESS PUZZLE #7672

Added by:andy94
Added on:26-Nov-08
Description:Composed by P.A.Orlimont, Heidelberger Tageblatt, 1927. Mate in 6 moves.
Difficulty:
online chess puzzle #7672
Attempts:538
Solved:26 (4%)
White to move, mate in 6
Comments: (11) » LastGo to last comment
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blitzkov
05-Aug-12, 00:37

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very hard   nice
yadasampati
05-Aug-12, 03:15

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amazing ... very clever puzzle
alexalma
05-Aug-12, 04:36

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i dont get how this is forced
hcajg77
05-Aug-12, 06:55

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Where's the mate?
I'm too tired to think, and this puzzle requires thinking.
tugger
05-Aug-12, 07:16

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"i dont get how this is forced "

Black must constantly guard the mate threat on b4. For white to win, he must free c3 so the knight can overwork the rook, the rook is not able to defend both c3 and b4 for more than one move as the rook is the only piece he can move. So how does white free c3? If he moves the king up, the rook can attack, if he moves the king down, the rook can pin the knight, so he can only move the king right, but he has to pass f6 before he can move c3 due to the bishop b2, and still needs a square for flight so he can force the rook to move again. So move king to h6, while the rook ebbs back and forth, move the c3 pawn to allow the knight another mate square, and then drop the killer king move to force the rook away from either b4 or c3, allowing mate.

A long winded explanation, but this is a very good puzzle which cannot be explained easily.
alexalma
05-Aug-12, 07:30

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thx that sort of clears it up for me the rook needed to guard the mate threats
alexalma
05-Aug-12, 07:43

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i tried to find an alt and in the mean time i figured out how it was forced thx tugger
yadasampati
05-Aug-12, 12:08

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"i dont get how this is forced"

After you have "solved" the puzzle using hints you can see the response to each move that black can play. Just take a look at each of them and you will see that all blacks alternatives lead to a mate in less moves.
yadasampati
05-Aug-12, 12:12

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@tugger: very nice and clear explanation! thanks
alexalma
05-Aug-12, 12:14

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i understand it now
iamzack
05-Aug-12, 19:09

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Thanks tugger, I understand it now!  
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