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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 6/May/2009


     
  
 21 
  
 22 
   
 
  
 5 
  3
 30 
   
  
 12 
 
  36
  
           
  18
  
         
  
 3 
 
  17
  
         
  21
  
           
   
  7
  
       
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!
safdsfasf
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1:48 easy today
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Got stuck for a bit in the middle, had to use an extended chain for 1 elimination then it was easy. I might have missed something.
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I needed to use extended logic too.
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After DFHJNRSTX - What is the easy way to proceed? I don't see anything jumping out at me.

Thanks in advance.
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Good one. Not so easy, I thought.
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I did not need extended logic.
******** soln hint ********
After normal eliminations, I had IKL = (234), OP = (34) and UVW = 345. Now I used the same logic twice - If either I = 2 or W = 5 leads directly to the same contradiction. After these elimination, it is straight froward.
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UrBuddie - I also got M = 1 from normal logic before the hint mentioned above.
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Steve - How did you eliminate the 1 from G so that you could get M=1?
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Hi all,
In your discussions you use a labelling procedure, such as 'After normal eliminations, I had IKL = (234), OP = (34) and UVW = 345.'

Can anyone provide a link where I can learn that nomenclature, and also what a 'Kakuro extended chain is'? I had to solve this puzzle with trial More...
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3:15
Straightforward elimination of options
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Mike Devx - These hard puzzles always have 26 cells, so they started calling them A-Z starting top left. In the case if IKL=(234) the writer is saying that in cells I,K,L the number 2,3,4 must appear in some order.

When we say extended chain, some people might call that a guess. You take a More...
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UrBuddie - I had dfh = 978, so c+e+g = 12, c<=4, e<=6 --> g>=2.
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Wow, this is a very easy puzzle. I must have realy been distracted earlier.

Thanks for all the hints, I just got back on and tried from scratch and didn't have any problems.
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8:19 Interesting puzzle. I did need to use extended chain logic, however.
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7:33
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5:27
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5:58
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done
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Orphans and a 50/50 guess, 2019
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