Thursday, 25 March 2021

PUZZLE NO. 213 : THERMO SUDOKU ( GUEST AUTHOR - HUNAR DOULANI )


This sudoku was created by my daughter Hunar Doulani. It was her first attempt at creating a 9x9 sudoku. She spent a good 4-5 hours on this. She is a big fan of Korean music. The theme of the sudoku is a Korean band Stray Kids which is abbreviated as SKZ. 

RULES : Classic Sudoku rules apply. Additionally, there are some thermometer shapes in the grid. The numbers are in increasing order from the bulb to the flat end on each thermometer.

Online Solving

Friday, 12 February 2021

PUZZLE NO. 212 : MAGIC SQUARES - UNTOUCH HYBRID SUDOKU


 RULES : Classic Sudoku rules apply. Each shaded 3x3 square is a magic square.  The sum of the numbers in all rows, columns and two diagonals should be equal in a magic square. Additionally, no same digit touch each other diagonally.

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Wednesday, 10 February 2021

PUZZLE NO. 211 : WINDOKU

 


RULES : Classic sudoku rules apply. Each of the four shaded 3x3 regions must also contain digits from 1 to 9.

Online Solving

Tuesday, 9 February 2021

PUZZLE NO. 210 : ARROW SUDOKU

 


RULES : Classic sudoku rules apply. Additionally, there are some arrow shapes in the grid. The sum of the digits along the path of each arrow must equal the digit in the circled cell. Digits may repeat along an arrow.

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Monday, 8 February 2021

PUZZLE NO. 209 : THERMO-KILLER-LITTLE KILLER HYBRID SUDOKU

 Today, we complete 15 years of our marriage. On this occasion, here is a hybrid sudoku themed 15. 

RULES : Classic Sudoku rules apply. 
               Additionally, there are some thermometer shapes in the grid. The numbers are in increasing order from the bulb to the flat end on each thermometer.
               There are some cages in the grid. The number on the top left corner of each cage is equal to the sum of the numbers in that cage. Numbers do not repeat in a cage. 
              The numbers with arrows outside the grid indicate the sum of the digits appearing in the cells in the corresponding direction. Numbers may repeat in the direction of the arrow.


Thursday, 31 December 2020

PUZZLE NO. 208 : THERMO - LITTLE KILLER HYBRID SUDOKU

We have all had a very difficult 2020. Let us all hope that 2021 brings us happiness and prosperity. Wish all of you a Happy New Year 2021 in advance. Here is a 2021 themed Thermo - Little Killer hybrid sudoku.


RULES : Classic Sudoku rules apply. Additionally, there are some thermometer shapes in the grid. The numbers are in increasing order from the bulb to the flat end on each thermometer. Also, the numbers with arrows outside the grid indicate the sum of the digits appearing in the cells in the corresponding direction. Numbers may repeat in the direction of the arrow.



Friday, 25 December 2020

PUZZLE NO. 207 : CONSECUTIVE PAIRS - THERMO HYBRID SUDOKU

 Wishing all of you a Merry Xmas. Here is an XMAS themed sudoku . Hope you all will like it.


 RULES : Classic sudoku rules apply. Additionally, there are some thermometer shapes in the grid. The numbers are in increasing order from the bulb to the flat end on each thermometer. If a grey circle is given between two adjacent cells , then the numbers in those cells will be consecutive. Not all grey circles are given , which means adjacent cells without a grey circle may or may not contain consecutive digits.

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Wednesday, 16 December 2020

PUZZLE NO. 206 : PALINDROME SUDOKU

 Hi All. It gives me great pleasure to share with all of you that my new book World Of Sudoku : Vol # 3 is now available on amazon.com. The book has 24 classic sudokus and 12 sudokus from eight different variants. The variants covered in Vol # 3 are : Quadruple Sudoku; Palindrome Sudoku; Extra Regions Sudoku; Consecutive Sudoku; Pencil Marks Sudoku; Inequality Sudoku; Clone Sudoku; Kropki Pairs Sudoku.

All the sudokus are test solved by Freddie Hand and his timings are mentioned with each sudoku. This sudoku is among one of the most difficult ones in the book. Freddie has taken over 15 minutes to solve this. Do share your timings on this. The link to purchase from amazon is  https://amzn.to/3mjSUEH . The book is also available as pdf on payhip. The link to payhip is https://payhip.com/b/yxsL


I am really thankful to Simon Anthony for covering this sudoku on the You Tube channel Cracking The Cryptic. The link to the video is https://www.youtube.com/watch?v=sMi5DXZSwa4

RULES : Classic sudoku rules apply. Additionally, digits along the given lines read the same from either direction on the line.

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Saturday, 14 November 2020

PUZZLE NO. 205 : PALINDROME SUDOKU

 


RULES : Classic sudoku rules apply. Additionally, digits along the given lines read the same from either direction on the line.

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Thursday, 12 November 2020

PUZZLE NO. 204 : THERMO SUDOKU

 My daughter is a big fan of BTS. So here is a BTS themed thermo sudoku on her order :)



RULES : Classic sudoku rules apply. Additionally, there are some thermometer shapes in the grid. The numbers are in increasing order from the bulb to the flat end on each thermometer.

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Puzzle No. 505: Ascending Starters Sudoku

  Rules: Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each row, column and 3x3 outlined box.  Clu...