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Kakuro

Welcome to this fantastic collection of 100 all-new kakuro puzzles, featuring a range of different grid patterns and sizes. The puzzles get gradually harder as you work through from the first puzzle to the last.

Here's how to solve kakuro:

- Place a number from 1 - 9 in each white square in the grid such that the sum of the white squares in each run of cells matches the total in the light grey square at the start of that sum.

- Sums run either horizontally or vertically. A number cannot repeat within each sum. Thus if there is a sum total of 4 from two squares, it must be 1 and 3 in some order, not 2 and 2.

That's it! Each puzzle in this collection has a single solution that can be reached through considering the number options for each square: you'll never need to guess to solve these puzzles.

The book is available to purchase from Amazon.co.uk, Amazon.com and Amazon.eu. Please click the relevant link below to purchase this book via Amazon:

If you would like to try a few of the puzzles before buying this book, please click the link below:

Kakuro Sample

If you're based in Europe but outside the UK, then this book is also available on the version of Amazon in your country.

Kakuro Solving Strategies

Never tried a kakuro puzzle? You can try a sample Kakuro Online here. If you prefer to play puzzles online rather than in print, you can also play thousands of online puzzles with a membership to the Puzzle Connoisseur's Club.

Here is a video that shows you the rules of solving kakuro:

Kakuro is an interesting puzzle. Sadly, it never really took off in newspapers in the same way that sudoku did - in the West, at least. This has largely been blamed on people not liking maths puzzles, but others have suggested it is more because there is a higher entry point than sudoku, in that kakuro only becomes more fun after solving a few puzzles and getting used to the break-in points.

The biggest solving tip for kakuro is simply to start learning some of the combinations that appear most often and realising that these greatly restrict the options. For instance from two squares, if the total is 3 then you know it must be 1 and 2 and if it is 17 then you know it must be 9 and 8. This one is obvious, but the biggest tip is to print off online a list of all the combinations that are possible and use these to narrow down options, particularly whilst solving your first 20 or so kakuro puzzles until these start to become comfortable for you.

Once you have mastered those combinations, then tackling larger puzzles becomes bearable and even - dare we suggest - fun! Using the combinations, cross-referencing, and a little 'if this then...' logic you can solve even tricky kakuro puzzles. All the kakuro puzzles in this book can be used with the standard kakuro solving logic: there is one solution and it can be used through a combination of the sudoku rules that apply to kakuro (such as a number not repeating in a region) and working out the possible options for each run. Remember too to pay attention to the two different sums that a square must belong to: these can often be used to restrict the options too.

Generally then, look for runs that must contain high or low value squares, and use these to start breaking in to the puzzle and reducing options. Leave the sums that have the most options until later in the solve process - by doing this and using the lists of sum combinations, you will put yourself in great stead to solve even hard kakuro puzzles - good luck!

Kakuro

Kakuro Interior


How to solve a Sandwich Sudoku

In our new series of videos, you can learn about new puzzle types and take part in quizzes. Why not have a watch?

If you know the rules of sandwich sudoku but aren't sure how best to tackle a puzzle, this video walks through a puzzle and how to solve it to get you started. Highly recommended, as it's a really fun puzzle type to solve...




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