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- This may seem obvious to you, but some folks don’t do this! It’s possible for adept players to solve easier sudokus with pen, but for harder puzzles it’s going to help a lot if you use pencil. Harder puzzles require a lot of testing and note-taking, and being able to erase your marks will make it easier to visually process what you’re doing.
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You can learn more about solving Sudoku puzzles with pencil marking here. Hidden pairs. This is the first of many techniques that relies on proper pencil marking. A hidden pair is when you have the same two digits pencil marked in precisely two cells within the same row, column, or 3×3 block.
- How to Solve Sudoku with Pencil Marks
Using pencil marks to solve sudoku puzzles is an extremely...
- 10 Sudoku Tips and Tricks That’ll Help You Solve Faster
Pencil marking possible candidates into empty cells will...
- How to Solve Sudoku with Pencil Marks
Using pencil marks to solve sudoku puzzles is an extremely common solving technique. Especially as you advance to more difficult puzzles where using pencil marks not only helps but is pretty much necessary.
Jun 25, 2023 · Use a Pencil: When solving Sudoku puzzles, it’s best to use a pencil instead of a pen. This allows you to easily make changes and erase any mistakes without creating a messy grid. Start with the Basics: Begin by focusing on the empty squares that have the most given numbers.
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The objective of Sudoku is to fill a 9x9 grid made of squares (shown above circled in blue) so that each row, each column, and each full 9x9 square use the numbers 1-9. While solving the sudoku puzzle you can only use each number one time in the square, column, and row. Columns and rows are not limited by the thicker boundaries of the square (also ...
No. In a Magic Square, you also have to take into account the diagonal portion of the puzzle. Sudoku only focuses on the squares, rows, and columns in the grid. So, while the concepts are similar, they are not the exact same game. Some people claim Magic Squares are harder because of the added diagonal factor, while others claim Sudoku requires mor...
There are a huge amount of variations on the basic 9x9 grid version of Sudoku. You can do puzzles that change the grid size to 6x6 or even 25x25. There are also other variations like Sudoku-X which adds in the factor of diagonals making it even more similar to a Magic Square. In Sudoku Even-Odd you have shaded squares that must have either an even ...
Sudoku puzzles come prefilled with numbersin some of the cells. They are ranked by a difficulty level which corresponds with how many numbers come pre-filled in the puzzle. The higher the difficulty the fewer prefilled numbers you will have. The ratings go from one star (easiest) to five stars (hardest).
Just like any other muscle your brain benefits from a good workout. If you find yourself doing mundane tasks daily Sudoku could be a way to sharpen your mind a little. It forces you to really think and plan. It gives you something to take all of your attention off of stressful days or worries. Sudoku has also been linked to declinesin the potential...
Starting your puzzle is sometimes a key part of making sure you solve the whole thing in the end. Because the puzzles are partially filled it can be difficult to make the first move. The best strategy here is to use the process of elimination. Look at what numbers you’d like to use and mark those numbers in the cells with a pencil. You can make the...
This is a technique slightly the opposite of what you just read about. With crosshatching, you start by focusing on one 3x3 square and filling it in with the numbers needed. It’s a way to give you a starting point for your game that doesn’t involve looking at the entire grid. Crosshatching can be especially useful for brand new Sudoku players who a...
Sudoku is not like solitaire where there’s some luck involved. There are definite ways to solve the puzzle. You might be able to guess and get a lucky right answer, but in general yes, sudoku is solved without guessing. Instead of guessing use strategic thoughtful moves. Use the strategy of “scan and find” instead of getting too stuck on one square...
There are actually quite a few strategies sudoku lovers use, and which ones are best vary widely based on who you’re talking to. When it comes to sudoku the best strategy is going to be the one that makes the most sense to you. If a strategy just isn’t working there are others to try so don’t give up. Move on to the next strategy or combine several...
Illustration Of A Naked Pair (As you can see each cell highlighted has 2 possible numbers.) This strategy is based on looking at the puzzle and deciding which numbers are the only possibility for a specific cell. It’s similar to the process of elimination you would’ve used to start your puzzle. In a naked pair, you know you have 2 possible numbers ...
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A Series of Tutorials dedicated to solving Sudoku Puzzles with only Pencil (or Pen) and Paper, WITHOUT the use of Computer Apps, Smart Phone Apps, and Complete Candidate Lists; applicable...
Pencil marking possible candidates into empty cells will help work your way through Sudoku puzzles through the process of elimination. When done right, pencil marking will also help refine your scanning techniques and identify naked pairs as well as hidden pairs (both covered below).
Sudoku Pencil Marks. You've learnt about the Single Position and Single Candidate Sudoku solving techniques, you can solve easy and medium difficulty Sudoku puzzles with these techniques. The next technique is the use of Pencil Marks.
