Tool/Solver to solve Kakuros automatically. Kakuro is a logic game similar to a crossword with anagrams but with digits and numbers.
Kakuro Solver - dCode
Tag(s) : Number Games
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Kakuro Solver
Solve a Kakuro
Answers to Questions (FAQ)
How to solve a Kakuro?
Enter the dimensions of Kakuro (including empty boxes) and click OK.
Example: A kakuro of 10x10
Then, indicate the data of Kakuro (the known boxes, the unknown boxes and especially the values of the indices / sums).
By clicking on Resolve, dCode will search for the Kakuro solution and display it.
What is a Kakuro Zero?
In the original Kakuro game, the $ 0 $ digit is forbidden, but it is possible to use it in some variants.
The number of possibilities increases sharply and makes the resolution more difficult.
How to decompose number into sums ?
In mathematics, this is called a partition of a number. Here are the decompositions limited to digits, useful for Kakuro:
| Number | Possible sums with 2 digits |
|---|---|
| 3 | 1+2 |
| 4 | 1+3 |
| 5 | 1+4, 2+3 |
| 6 | 1+5, 2+4 |
| 7 | 1+6, 2+5, 3+4 |
| 8 | 1+7, 2+6, 3+5 |
| 9 | 1+8, 2+7, 3+6, 4+5 |
| 10 | 1+9, 2+8, 3+7, 4+6 |
| 11 | 2+9, 3+8, 4+7, 5+6 |
| 12 | 3+9, 4+8, 5+7 |
| 13 | 4+9, 5+8, 6+7 |
| 14 | 5+9, 6+8 |
| 15 | 6+9, 7+8 |
| 16 | 7+9 |
| 17 | 8+9 |
| Number | Possible sums with 3 digits |
|---|---|
| 6 | 1+2+3 |
| 7 | 1+2+4 |
| 8 | 1+2+5, 1+3+4 |
| 9 | 1+2+6, 1+3+5, 2+3+4 |
| 10 | 1+2+7, 1+3+6, 1+4+5, 2+3+5 |
| 11 | 1+2+8, 1+3+7, 1+4+6, 2+3+6, 2+4+5 |
| 12 | 1+2+9, 1+3+8, 1+4+7, 1+5+6, 2+3+7, 2+4+6, 3+4+5 |
| 13 | 1+3+9, 1+4+8, 1+5+7, 2+3+8, 2+4+7, 2+5+6, 3+4+6 |
| 14 | 1+4+9, 1+5+8, 1+6+7, 2+3+9, 2+4+8, 2+5+7, 3+4+7, 3+5+6 |
| 15 | 1+5+9, 1+6+8, 2+4+9, 2+5+8, 2+6+7, 3+4+8, 3+5+7, 4+5+6 |
| 16 | 1+6+9, 1+7+8, 2+5+9, 2+6+8, 3+4+9, 3+5+8, 3+6+7, 4+5+7 |
| 17 | 1+7+9, 2+6+9, 2+7+8, 3+5+9, 3+6+8, 4+5+8, 4+6+7 |
| 18 | 1+8+9, 2+7+9, 3+6+9, 3+7+8, 4+5+9, 4+6+8, 5+6+7 |
| 19 | 2+8+9, 3+7+9, 4+6+9, 4+7+8, 5+6+8 |
| 20 | 3+8+9, 4+7+9, 5+6+9, 5+7+8 |
| 21 | 4+8+9, 5+7+9, 6+7+8 |
| 22 | 5+8+9, 6+7+9 |
| 23 | 6+8+9 |
| 24 | 7+8+9 |
| Number | Possible sums with 4 digits |
|---|---|
| 10 | 1+2+3+4 |
| 11 | 1+2+3+5 |
| 12 | 1+2+3+6, 1+2+4+5 |
| 13 | 1+2+3+7, 1+2+4+6, 1+3+4+5 |
| 14 | 1+2+3+8, 1+2+4+7, 1+2+5+6, 1+3+4+6, 2+3+4+5 |
| 15 | 1+2+3+9, 1+2+4+8, 1+2+5+7, 1+3+4+7, 1+3+5+6, 2+3+4+6 |
| 16 | 1+2+4+9, 1+2+5+8, 1+2+6+7, 1+3+4+8, 1+3+5+7, 1+4+5+6, 2+3+4+7, 2+3+5+6 |
| 17 | 1+2+5+9, 1+2+6+8, 1+3+4+9, 1+3+5+8, 1+3+6+7, 1+4+5+7, 2+3+4+8, 2+3+5+7, 2+4+5+6 |
| 18 | 1+2+6+9, 1+2+7+8, 1+3+5+9, 1+3+6+8, 1+4+5+8, 1+4+6+7, 2+3+4+9, 2+3+5+8, 2+3+6+7, 2+4+5+7, 3+4+5+6 |
| 19 | 1+2+7+9, 1+3+6+9, 1+3+7+8, 1+4+5+9, 1+4+6+8, 1+5+6+7, 2+3+5+9, 2+3+6+8, 2+4+5+8, 2+4+6+7, 3+4+5+7 |
| 20 | 1+2+8+9, 1+3+7+9, 1+4+6+9, 1+4+7+8, 1+5+6+8, 2+3+6+9, 2+3+7+8, 2+4+5+9, 2+4+6+8, 2+5+6+7, 3+4+5+8, 3+4+6+7 |
| 21 | 1+3+8+9, 1+4+7+9, 1+5+6+9, 1+5+7+8, 2+3+7+9, 2+4+6+9, 2+4+7+8, 2+5+6+8, 3+4+5+9, 3+4+6+8, 3+5+6+7 |
| 22 | 1+4+8+9, 1+5+7+9, 1+6+7+8, 2+3+8+9, 2+4+7+9, 2+5+6+9, 2+5+7+8, 3+4+6+9, 3+4+7+8, 3+5+6+8, 4+5+6+7 |
| 23 | 1+5+8+9, 1+6+7+9, 2+4+8+9, 2+5+7+9, 2+6+7+8, 3+4+7+9, 3+5+6+9, 3+5+7+8, 4+5+6+8 |
| 24 | 1+6+8+9, 2+5+8+9, 2+6+7+9, 3+4+8+9, 3+5+7+9, 3+6+7+8, 4+5+6+9, 4+5+7+8 |
| 25 | 1+7+8+9, 2+6+8+9, 3+5+8+9, 3+6+7+9, 4+5+7+9, 4+6+7+8 |
| 26 | 2+7+8+9, 3+6+8+9, 4+5+8+9, 4+6+7+9, 5+6+7+8 |
| 27 | 3+7+8+9, 4+6+8+9, 5+6+7+9 |
| 28 | 4+7+8+9, 5+6+8+9 |
| 29 | 5+7+8+9 |
| 30 | 6+7+8+9 |
| Number | Possible sums with 5 digits |
|---|---|
| 15 | 1+2+3+4+5 |
| 16 | 1+2+3+4+6 |
| 17 | 1+2+3+4+7, 1+2+3+5+6 |
| 18 | 1+2+3+4+8, 1+2+3+5+7, 1+2+4+5+6 |
| 19 | 1+2+3+4+9, 1+2+3+5+8, 1+2+3+6+7, 1+2+4+5+7, 1+3+4+5+6 |
| 20 | 1+2+3+5+9, 1+2+3+6+8, 1+2+4+5+8, 1+2+4+6+7, 1+3+4+5+7, 2+3+4+5+6 |
| 21 | 1+2+3+6+9, 1+2+3+7+8, 1+2+4+5+9, 1+2+4+6+8, 1+2+5+6+7, 1+3+4+5+8, 1+3+4+6+7, 2+3+4+5+7 |
| 22 | 1+2+3+7+9, 1+2+4+6+9, 1+2+4+7+8, 1+2+5+6+8, 1+3+4+5+9, 1+3+4+6+8, 1+3+5+6+7, 2+3+4+5+8, 2+3+4+6+7 |
| 23 | 1+2+3+8+9, 1+2+4+7+9, 1+2+5+6+9, 1+2+5+7+8, 1+3+4+6+9, 1+3+4+7+8, 1+3+5+6+8, 1+4+5+6+7, 2+3+4+5+9, 2+3+4+6+8, 2+3+5+6+7 |
| 24 | 1+2+4+8+9, 1+2+5+7+9, 1+2+6+7+8, 1+3+4+7+9, 1+3+5+6+9, 1+3+5+7+8, 1+4+5+6+8, 2+3+4+6+9, 2+3+4+7+8, 2+3+5+6+8, 2+4+5+6+7 |
| 25 | 1+2+5+8+9, 1+2+6+7+9, 1+3+4+8+9, 1+3+5+7+9, 1+3+6+7+8, 1+4+5+6+9, 1+4+5+7+8, 2+3+4+7+9, 2+3+5+6+9, 2+3+5+7+8, 2+4+5+6+8, 3+4+5+6+7 |
| 26 | 1+2+6+8+9, 1+3+5+8+9, 1+3+6+7+9, 1+4+5+7+9, 1+4+6+7+8, 2+3+4+8+9, 2+3+5+7+9, 2+3+6+7+8, 2+4+5+6+9, 2+4+5+7+8, 3+4+5+6+8 |
| 27 | 1+2+7+8+9, 1+3+6+8+9, 1+4+5+8+9, 1+4+6+7+9, 1+5+6+7+8, 2+3+5+8+9, 2+3+6+7+9, 2+4+5+7+9, 2+4+6+7+8, 3+4+5+6+9, 3+4+5+7+8 |
| 28 | 1+3+7+8+9, 1+4+6+8+9, 1+5+6+7+9, 2+3+6+8+9, 2+4+5+8+9, 2+4+6+7+9, 2+5+6+7+8, 3+4+5+7+9, 3+4+6+7+8 |
| 29 | 1+4+7+8+9, 1+5+6+8+9, 2+3+7+8+9, 2+4+6+8+9, 2+5+6+7+9, 3+4+5+8+9, 3+4+6+7+9, 3+5+6+7+8 |
| 30 | 1+5+7+8+9, 2+4+7+8+9, 2+5+6+8+9, 3+4+6+8+9, 3+5+6+7+9, 4+5+6+7+8 |
| 31 | 1+6+7+8+9, 2+5+7+8+9, 3+4+7+8+9, 3+5+6+8+9, 4+5+6+7+9 |
| 32 | 2+6+7+8+9, 3+5+7+8+9, 4+5+6+8+9 |
| 33 | 3+6+7+8+9, 4+5+7+8+9 |
| 34 | 4+6+7+8+9 |
| 35 | 5+6+7+8+9 |
| Number | Possible sums with 6 digits |
|---|---|
| 21 | 1+2+3+4+5+6 |
| 22 | 1+2+3+4+5+7 |
| 23 | 1+2+3+4+5+8, 1+2+3+4+6+7 |
| 24 | 1+2+3+4+5+9, 1+2+3+4+6+8, 1+2+3+5+6+7 |
| 25 | 1+2+3+4+6+9, 1+2+3+4+7+8, 1+2+3+5+6+8, 1+2+4+5+6+7 |
| 26 | 1+2+3+4+7+9, 1+2+3+5+6+9, 1+2+3+5+7+8, 1+2+4+5+6+8, 1+3+4+5+6+7 |
| 27 | 1+2+3+4+8+9, 1+2+3+5+7+9, 1+2+3+6+7+8, 1+2+4+5+6+9, 1+2+4+5+7+8, 1+3+4+5+6+8, 2+3+4+5+6+7 |
| 28 | 1+2+3+5+8+9, 1+2+3+6+7+9, 1+2+4+5+7+9, 1+2+4+6+7+8, 1+3+4+5+6+9, 1+3+4+5+7+8, 2+3+4+5+6+8 |
| 29 | 1+2+3+6+8+9, 1+2+4+5+8+9, 1+2+4+6+7+9, 1+2+5+6+7+8, 1+3+4+5+7+9, 1+3+4+6+7+8, 2+3+4+5+6+9, 2+3+4+5+7+8 |
| 30 | 1+2+3+7+8+9, 1+2+4+6+8+9, 1+2+5+6+7+9, 1+3+4+5+8+9, 1+3+4+6+7+9, 1+3+5+6+7+8, 2+3+4+5+7+9, 2+3+4+6+7+8 |
| 31 | 1+2+4+7+8+9, 1+2+5+6+8+9, 1+3+4+6+8+9, 1+3+5+6+7+9, 1+4+5+6+7+8, 2+3+4+5+8+9, 2+3+4+6+7+9, 2+3+5+6+7+8 |
| 32 | 1+2+5+7+8+9, 1+3+4+7+8+9, 1+3+5+6+8+9, 1+4+5+6+7+9, 2+3+4+6+8+9, 2+3+5+6+7+9, 2+4+5+6+7+8 |
| 33 | 1+2+6+7+8+9, 1+3+5+7+8+9, 1+4+5+6+8+9, 2+3+4+7+8+9, 2+3+5+6+8+9, 2+4+5+6+7+9, 3+4+5+6+7+8 |
| 34 | 1+3+6+7+8+9, 1+4+5+7+8+9, 2+3+5+7+8+9, 2+4+5+6+8+9, 3+4+5+6+7+9 |
| 35 | 1+4+6+7+8+9, 2+3+6+7+8+9, 2+4+5+7+8+9, 3+4+5+6+8+9 |
| 36 | 1+5+6+7+8+9, 2+4+6+7+8+9, 3+4+5+7+8+9 |
| 37 | 2+5+6+7+8+9, 3+4+6+7+8+9 |
| 38 | 3+5+6+7+8+9 |
| 39 | 4+5+6+7+8+9 |
| Number | Possible sums with 7 digits |
|---|---|
| 28 | 1+2+3+4+5+6+7 |
| 29 | 1+2+3+4+5+6+8 |
| 30 | 1+2+3+4+5+6+9, 1+2+3+4+5+7+8 |
| 31 | 1+2+3+4+5+7+9, 1+2+3+4+6+7+8 |
| 32 | 1+2+3+4+5+8+9, 1+2+3+4+6+7+9, 1+2+3+5+6+7+8 |
| 33 | 1+2+3+4+6+8+9, 1+2+3+5+6+7+9, 1+2+4+5+6+7+8 |
| 34 | 1+2+3+4+7+8+9, 1+2+3+5+6+8+9, 1+2+4+5+6+7+9, 1+3+4+5+6+7+8 |
| 35 | 1+2+3+5+7+8+9, 1+2+4+5+6+8+9, 1+3+4+5+6+7+9, 2+3+4+5+6+7+8 |
| 36 | 1+2+3+6+7+8+9, 1+2+4+5+7+8+9, 1+3+4+5+6+8+9, 2+3+4+5+6+7+9 |
| 37 | 1+2+4+6+7+8+9, 1+3+4+5+7+8+9, 2+3+4+5+6+8+9 |
| 38 | 1+2+5+6+7+8+9, 1+3+4+6+7+8+9, 2+3+4+5+7+8+9 |
| 39 | 1+3+5+6+7+8+9, 2+3+4+6+7+8+9 |
| 40 | 1+4+5+6+7+8+9, 2+3+5+6+7+8+9 |
| 41 | 2+4+5+6+7+8+9 |
| 42 | 3+4+5+6+7+8+9 |
| Number | Possible sums with 8 digits |
|---|---|
| 36 | 1+2+3+4+5+6+7+8 |
| 37 | 1+2+3+4+5+6+7+9 |
| 38 | 1+2+3+4+5+6+8+9 |
| 39 | 1+2+3+4+5+7+8+9 |
| 40 | 1+2+3+4+6+7+8+9 |
| 41 | 1+2+3+5+6+7+8+9 |
| 42 | 1+2+4+5+6+7+8+9 |
| 43 | 1+3+4+5+6+7+8+9 |
| 44 | 2+3+4+5+6+7+8+9 |
| Number | Possible sum with 9 digits |
|---|---|
| 45 | 1+2+3+4+5+6+7+8+9 |
Source code
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