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Kakuro Kakuro
How to play Kakuro
Kakuro is similar to both sudoku and traditional crossword games.
Like a Crossword
Similar to crosswords, Kakuro has clues both across and down. When you put numbers in the vacant squares, the sum must equal the given clues. This is why the game is sometimes called 'cross sums'.
Like a Sudoku
Just like a sudoku, you cannot have the same number in a row or column. If a row is broken into 2 areas by a clue, then you can have the same number occuring once in each of the separate areas.
Other variations
Still looking for more puzzles? How about a variation on sudoku? Try Wordoku. Wordoku uses letters instead of numbers and has a hidden 9-letter word! For crossword puzzles, try Free Crossword PUzzles. 2 free crosswords (Easy, Hard) daily.

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Hard Kakuro for 5/January/2009

Choose a number, and place it in the grid above.
  1 2 3 4 5 6 7 8 9
Talk about anything and everything, but nice to each other - you don't have to agree, but this is not the place for personal attacks. As Sir Paul McCartney said: 'I used to think anyone doing anything weird was weird. Now I know that it is the people that call others weird that are weird' (longer explanation). Enjoy!
I solved, but I had to do 1 guess to get there. Before I got stuck, I solved - B, J, X, Y, Z. After that I was stuck and could not solve any other squares. I finally went after N and the 9. After that it was easy.

Was there any way to get past where I got stuck without guessing?
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same here... I got all but J... can't see how you got J
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Rob, I got J the following way:
Consider 32 across, if you look at all the possibilities, it must contain at least 3 squares with either 6,7,8,9. So, N and R have to be >= 6.
R must be 6 or 7 due to restrictions of 17 down. Therefore L must be 4 or 5.

Now look More...
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Similar to UrBuddie to start with.

I assumed E <> 3 to eliminate the 3's from 8down. Took a number of easy steps to get a contradiction. Once E=3 the rest is easy.

You need to find a contradiction somewhere, I very much doubt my route was the fastest. I just aim for something I More...
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done, w/ur's help
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also, 32A (/6) cannot have 4 squares with 6789!
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UrBuddie, u r very logical. I saw that J=9 in one of my earlier times thru with chains (if H=6 doesn't work, then J=9). There are so many techniques that can be used in kakuro and lots in this puzzle - one of the many reasons I'm addicted. Hopefully I'm increasing my ability to think logically while I'm learning more techniques
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thanks for all your help, guys
I'm not sure you can call what you did non-guessing, Start. I call it using a chain, and I suppose that that's the equivalent of guessing. I'd like to know how you decided that the E<>3 assumption would get you to the finishline faster than other approaches or even how you came up with the idea (originally)
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... of course eliminating 4 from 8D also eliminated 3 from it
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Stuck, decided not to guess, 2019
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Redone, Dec 2020. Once stuck, spotted there are limited 1s in a 4x4 pattern, eliminating a 1 in 12D. Still hard work from there, but all logic.
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