Puzzle No 144: Odd Even Sudoku

Rules:

Place numbers in the grid such that each row, column, and 3*3 box contain the numbers 1-9. 

Shaded circles contain Odd digits (1, 3, 5, 7, 9). Shaded squares contain Even digits (2, 4, 6, 8).

Difficulty: Medium

Online Solving

Puzzle:

Puzzle No 141: Untouchable Mystery Sandwich Sudoku

Here is tricky challenging sudoku.

Rules - Classic Sudoku Rules.

Inspired from recent Richard Stolk Post (https://logic-masters.de/Raetselportal/Raetsel/zeigen.php?id=0003QI).

Thanks to Prasanna and Ashish for test solving it.

LMD link - https://logic-masters.de/Raetselportal/Raetsel/zeigen.php?id=0003ZR

Online Solving - https://git.io/JJgUJ

Rules:

1) Classic rules apply.

2) Two same digits do not touch each other diagonally.

3) Additionally, the outside number is the sum of the digits between X and Y. X and Y to be found by the solver. X and Y remain the same throughout the grid.

Difficulty: Hard

Puzzle:

Puzzle No 137: Little Killer Sudoku

Cracking the Cryptic featured this puzzle and you can watch the solve here:

Happy Diwali To All.

This is my first Little Killer Sudoku Creation. I created this Sudoku as a Practice puzzle for World Sudoku Championship 2019 for the Indian Team.

Enjoy Solving and Have Fun.

Rules:

Place numbers in the grid such that each row, column, and 3*3 box contain the numbers 1-9. Additionally, numbers with the arrows indicate the sum of all numbers in the respective direction.

Theme: Symmetric

Difficulty: Moderate

Puzzle:

Puzzle No 135: Consecutive Chains Sudoku

My 1st creation of the year 2019.

I am creating this Sudoku as a Practice puzzle for upcoming Sudoku GP 2019 Round 1. For more details check out: http://gp.worldpuzzle.org/content/sudoku-gp

Thanks to Kumaresan for test-solving the sudoku.

Enjoy Solving and Have Fun. 

Please provide feedback in the comment section.

Rules:

Place numbers in the grid such that each row, column, and 3*3 box contain the numbers 1-9. Additionally, digits in the grey areas must form a chain of consecutive digits from 1 to 9 by moving horizontally or vertically from one cell to the next.

Theme: 3 areas

Difficulty: Moderate

Puzzle:

Puzzle No 103: Classic Sudoku

Rules: 

Place numbers in the grid such that each row,column and 3*3 box contain the numbers 1-9. 

Theme: Symmetric (Almost Consecutive Clues)

Difficulty: Easy

Sudoku:

Practice Puzzles for Round 1 of Times Sudoku Championship (5th and 6th July at various cities)

Chennai round (July 06): http://epaperbeta.timesofindia.com/Article.aspx?eid=31807&articlexm... 

Delhi round (July 05): http://epaperbeta.timesofindia.com/Article.aspx?eid=31808&articlexm... 

Mumbai round (July 05): http://epaperbeta.timesofindia.com/Article.aspx?eid=31804&articlexm... 

Bangalore round (July 06): http://epaperbeta.timesofindia.com/Article.aspx?eid=31806&articlexm...

Here are few classic 6*6 sudoku for practice. They are not of high quality but enough to give you idea about how the sudoku regions can be in actual contest.

Rules:

Fill each and every row, column and region with numbers 1 to 6.

Puzzles: (Note that 6th and 8th puzzle are almost similar, just little bit of tweaking)

Puzzle No 87 (Classic Sudoku)

This post might be after long time. But now i want to try my hands on creating sudokus as well. I will be creating 6*6 sizes first, as an attempt. 

Rules:

Fill each and every row,column, and region with numbers 1 to 6.

Sudoku:

Solution : click here

Puzzle No 47 (Sudoku)

Description:
This is second classic sudoku creation of mine. I am not so good
in creating sudokus. So you may find the clues are in pattern say it
heart shaped, diamond or Christmas tree etc as from your point of
view. For rules click here. For solving techniques click here. I am
publishing tomorrow's puzzle today itself as i doubt that tomorrow
i will be able to find time to post it.
Have Fun!! :)
Difficulty : Easy.


Puzzle:-

Unique Solution :- Click here

Puzzle No 37 (Sudoku)

Difficulty : Easy.


After Many Varieties of puzzles. Back to basic fundamentals. This one is again for sudoku lovers. This one is Classic Sudoku.
Click on the name for rules. 
Click here to check out the solving techniques.
It is quite easy level. I dont have much experience in creating sudokus. Frankly this one is the first one.
Njoy solving.. Hope you will like it.. :)


Puzzle :

Unique Solution : Click here

puzzle no 24

(click here for rules)
SUDOKU
Difficulty :  MEDIUM


Puzzle :

Unique Solution :  click here

(click here for rules)

World's Toughest Sudoku

This is the World's Toughest Sudoku of size 9 * 9 Created by Math genius Dr Arto Inkala of Finland.

Click here to read more on this.


Puzzle : 

Solution : (Highlight below to see)

Will be posted later after you have wrecked your brains and commented on it.

Puzzle No 8

Difficulty : Medium

Solution :

Puzzle No 7

Difficulty : Easy

Solution :

Puzzle No 6

Difficulty : Easy

Solution : 

SUDOKU

SUDOKU

• A Sudoku should have 30 or less initial values filled in out of the 81 total
• Sudoku should be solvable by entirely logical deduction - no guesses should be needed. (That doesn't mean that you can't use guesswork, just that you shouldn't have to.
• The Sudoku must only have one solution!

Of course, for beginner puzzles, often there are more than 30 values filled in - this is just to give you a head start while you're learning!

Many people think that harder Sudoku puzzles are the ones with less values filled in to begin with. While this is often the case, there are plenty of frustratingly difficult puzzles available with 28 or more cells filled in - difficult because they really require you to use lots of different solving techniques to complete them.

Rule :

Complete the Sudoku puzzle so that each and every row, column, and region contains the numbers 1 to 9 (for 9x9)

1 to 6 (for 6x6) so on..

There is only one solution to a properly designed Sudoku puzzle.

Example :

Solution :