Prove Sodoku does not require a guess.

Can all puzzles be solved without guessing at some point? : r/sudoku

Guessing would be picking a random solution for a cell with no evidence to support or validate the guess. Using pencil marks to create chains is ...

Prove Sodoku does not require a guess. - Physics Forums

The speaker argues that all Sudoku puzzles can be solved through logic, while their friend believes that some puzzles may require guessing.

Do you eventually have to guess in Sudoku? - Quora

As a constructor of Sudoku puzzles, I can tell you that most very hard Sudoku cannot be solved by logic alone. Publishers do not allow these ...

How do I solve this sudoku without guessing?

This is not a "fix-all" method. There are puzzles at the highest difficulty that cannot be solved without guessing, and indeed some have more ...

"No Guessing Is Required" - YouTube

TODAY'S PUZZLE *** Xendari has come up with an absolutely incredibly arrow sudoku (called Equilibrium) that features some new logic.

Solving Sudoku by Trial and Error

You just choose one available possibility for a square, remember what you have chosen and then proceed to solve the remaining squares. If you made the wrong ...

How To Solve Hard Sudoku WITHOUT GUESSING – SHC #137

In How To Solve Hard Sudoku WITHOUT GUESSING – SHC #137 by Smart Hobbies, I will show you how to solve the Classic Sudoku “Pears” by ...

Is there any algorithm that can solve ANY traditional sudoku puzzles ...

If you have, for example, an empty puzzle, you won't be able to solve it without 'guessing'. There is no answer for the generic case. – Patrik.

How To Solve DIABOLICAL Sudoku Without Guessing - YouTube

In How To Solve DIABOLICAL Sudoku Without Guessing by Smart Hobbies, I will show ... I take you to the point where Michael suggests you ...

solving without trial and error at all. - Hacker News

I usually solve them by hand without guess and check, though occasionally, you get down to where there are pairs of values where you have no choice but to try ...

7 common Sudoku mistakes - SudokuOnline.io

Hard Sudoku puzzles can prove to be impossible to solve without the visual aid provided by notes, due to the increased number of candidates per cell. It is not ...

Sudoku. Lesson 4 Very important hints for solving sudoku puzzles.

sudokuguy For FAQ go to http://www.sudokuguy.com/ A fun step by step video course on how to solve sudoku puzzles from beginners to advanced ...

Can someone produce a sudoku puzzle where guessing more than ...

This guessing is applied separately for each cell+possible value if the number of possible values for the cell is 3 or less. There is no ...

Does Using Brute-Force to solve a puzzle make it invalid

By definition, a sudoku puzzle is valid if it has one and only one solution. This definition is universally agreed upon. It doesn't say anything ...

Su Doku - C2 wiki

There's no escaping the fact that your decision as to which value to investigate first is a guess. It's trivial that any sudoku problem (or any other problem ...

How to Solve Sudoku for Beginners - The New York Times

It will sometimes show you numbers that ... One of our best tips for any puzzle is to take a break if you're not sure what to do next.

Can Sudoku Have Multiple Solutions?

The short answer is no. Any proper Sudoku puzzle should only have one unique solution that can be found through logical deduction without the need for guessing.

Solving by guessing - Sudoku Online

Defining guessing is trickier. If you enter numbers randomly you are unlikely to arrive at a solution and it certainly would not fulfil definition 2 of solving.

A Sudoku Solver for Ordinary folk - SQLServerCentral

If there are unresolved cells after all the logical bits have been applied to the puzzle, then it is time to enter the murky world of guessing.

Solving Every Sudoku Puzzle Faster - Lukas Vermeer

... will apply a technique commonly known as 'making an educated guess'. ... Peter prefers to call this strategy 'searching', but that does not ...