Puzzle No 139: Nurikabe

This one was created for the Puzzle Ramayan Round 3, but the difficulty was high, so I created another easier one for the contest. Here it goes the challenging one.

Stay Safe. Stay Healthy.

Have Fun.

Rules:
Shade some blank cells so that the grid is divided into white regions. Each white region contains exactly one numbered cell and has the same area as the number. Two white regions may only touch each other diagonally. All shaded cells are connected to each other horizontally or vertically. Shaded cells do not form 2X2 squares.

Difficulty: Hard

Solve Online

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 129: Consecutive Sudoku

PS: Updated some Tips and Tricks in this post

A practice puzzle for upcoming SM Episode 7.

Details of which can be found here.

Rules:

Place numbers in the grid such that each row,column and 3*3 box contain the numbers 1-9. Additionally, orthogonally adjacent cells containing consecutive numbers are separated by bars. All possible bars are marked. 

Theme: Mini Stairs

Puzzle:

Puzzle No 122: Next to 9 Sudoku

I made this puzzle as Practice for upcoming contest "Sudoku Mahabharat: Episode 4" on Logic Masters India. It has nice starts. Hope you will like it.

This is my 22nd Sudoku contribution to:

Daily League! The League of Extraordinary Ladies and Gentlemen

Remember that you can solve this puzzle from the League  online on the Sudokucup Guest League page with a 24 hr delay.

Rules:

Place numbers in the grid such that each row,column and 3*3 box contain the numbers 1-9. Additionally the clues outside the grid indicate the numbers to be placed in the cells before and after the cell containing 9 (in any order) in the corresponding direction.

Theme: 1-8

Difficulty: Medium

Puzzle:

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)

Puzzles 77-79 : Practice puzzles for LMI test

As i told i made 3 practice puzzles Arithmetic Box, Doors, No-touch Diagonal Sudoku for the "123 GO! test". Thanks to Prasanna for test-solving it and feedback.

Also i am giving the links of other types of puzzles there in test which you can find on this blog :)

Fence
Fillomino
Masyu
Nurikabe
Minesweeper
Tapa

ARITHMETIC BOX ( Rated - Hard)

Place a number from the given set into each of the nine cells such that all six equations are satisfied. Equations are read left-to-right and top-to-bottom and follow BODMAS rule.

DOORS ( Rated - Easy)

Each cell represents a room. All rooms are connected (by a horizontal-vertical path) and they are separated by doors. Some doors are closed while some are open. The number in a cell indicates the amount of rooms visible from that cell (excluding the cell itself) in all four directions.

NO TOUCH DIAGONAL SUDOKU (Rated - Medium)

Place numbers 1~3 in the grid such that every row, column, 2x3 box and two diagonals contains each number exactly once. Same numbers cannot touch other diagonally.

Puzzle 68 - BLACK AND WHITE MATCHMAKER (Practice puzzle for LMI test)

Finally i thought to make the Black and white Matchmaker. Although i think the puzzles i created may be of easy level but good enough for practice. Njoy!! solving it. Here goes the rules. :) :)
Description :-
You are given 6 grids and 5 puzzletypes. Match each grid with a different puzzletypes and solve them. One grid will not be used.

Masyu
Draw a single loop that passes every cell with a circle.
In cells with black circles, the loop must make a 90-degree turn and goes straight in neighboring cells.
In cells with white circles, the loop must go straight and makes a 90-degree turn in at least one of neighboring cells.
Black & white
Fill the grid with black or white circles so that all of the circles with same color will be connected vertically or horizontally.
Circles with same color can't form a 2x2 square.
Sun & Moon
Draw a single loop that passes every cell.
The loop can't make turns between cells with circles of the same color,
and makes just one 90-degree turn between cells with circles of different colors.
Not alone
Fill the grid with black or white circles so that each row or column has the same amount of black circles and white circles.
One circle of a color can't be sandwitched by circles of the other color virtically or holizontally.
An array of two or more circles of a same color may be sandwitched by circles of the other color virtically or holizontally.
Signal loop
Draw a single loop that passes every cell except cells with black circles.
The loop goes straight in cells with white circles.

Difficulty :- Between Easy and Medium!!
Grids :-

   

                

      

    

Unique Solution : - Click here.

Puzzles 66-67 (TRIO CUT) - PRACTICE PUZZLES FOR LMI TEST

Hey, As announced in earlier posts about LMI may puzzle test "NO NUMBERS". All puzzles were new to me. And getting familiar with that there is no other better way than creating a one. Although still other types i am trying to grasp it. I succeeded in making two of them for " TRIO CUT".

Rules : You can refer the Instruction Booklet (Download) - Sample puzzle given along with rules.

I am giving rules here again so that no need to go to IB all the time.

1) Paint some cells black to make some triminos so that each trimino will be cut twice by thick lines.

2) Each region bordered by thick lines should have three painted cells.

Difficulty :- Between Easy and Medium ( As first time for me too). Will see if i could get a hard one.

Puzzle 66 :-

Puzzle 67 :-

Unique solutions :- Click here.