Category Archives: Sudoku Tips
More Tips for Marking Up Sudoku
1) use a pencil
2) Don’t do any marking up until you’ve solved all of the cells that you can, using cross-hatching
3) Then start to use cross hatching to mark up instances when there are two or three cells in a region where a specific number might go.
4) When you find a solution for a cell, scan the related rows, columns and regions, and delete any pencil marks for that number
Sudoku Tips – You Benefit from Playing Sudoku
Suduko Is The Perfect Brain Exercise. You know your should exercise to stay in shape, and that you should work out regularly to keep your body fit and healthy. However, what should you do to keep your brain in good health?
People assume problems like memory loss, lack of concentration, and others to be a part of ageing. But this is not true. You can keep your brain sharp and nimble even after the age of …Read more
Sudoku Tips: Marking up
The more difficult Sudoku puzzles can’t be solved just by using the scanning techniques of crosshatching and counting. In these more complicated puzzles, scanning will still leave you with cells where you don’t know which of two or more numbers to choose.
These puzzles will require some more detailed analysis, and most people will need to do some marking up in order to make this analysis possible – very few people can remember all of the …Read more
Sudoku Tips: Use a pencil, not a pen
Sudoku puzzles come in different formats:
- digital Sudoku, whether on handheld devices, or online
- Sudoku printed or written on paper
- Sudoku games made out of plastic, wood, or similar
If you’re working on paper, be sure to use a pencil, not a pen, and have an eraser handy. You’re bound to make the occasional mistake, which you’ll want to erase.
Plus the pencil will come in handy for marking up the possibilities for the empty cells …Read more
How to Beat Your Son in Sudoku with Style
Even if your son is a mathematical whiz kid, you can still beat him at Sudoku. Many people think that because it’s a game with numbers that you need math or some special inborn skill to win consistently. You don’t. Here are a couple tricks to help you beat your son at Sudoku with style.
Once you have taken stock of your empty spaces and homeless numbers and are properly overwhelmed, try a technique called …Read more
Sudoku Tips: Scanning by Cross-hatching
Scanning techniques involve running your eyes over a row, column or region.
Cross-hatching is the scanning of rows and columns to identify which cell or cells in a region might contain a specific number.
Check out the mini Sudoku on the right.
Each row, column, and region of four cells must contain the numbers 1 to 4.
Two regions contain the number 4 already, and we know that there can’t be another 4 in the same …Read more
Sudoku Tips: Scanning by Counting
The most simple scanning technique is counting – select a row, column or region, and count the numbers in the cells in from 1 to 9, to identify the missing numbers.
Of course, this is most helpful when there is only one number missing from the row, column or region that you’re counting – then you know that number belongs in the missing blank cell.
Another counting technique is to select a blank cell, and work …Read more
Sudoku Tips: Find Your Level
Your Sudoku puzzle should be a challenge, but it shouldn’t be impossible for you to solve.
Sudoku puzzles come in different levels of difficulty. If you ‘re a beginner, don’t start with the super-fiendish level. Try the super-easy levels first, or maybe even a 4 x 4 mini-sudoku.
Once that level is easy for you, then move on to the next most difficult level.
Its tackling the right level of challenge for you, that makes Sudoku …Read more