Sudoku 53: Sum Frame Sudoku

29th of the month? No, that's not a day for a post on the blog. But wait it's 29th of May! That's the day when this blog was started. It has been 2 years of blogging. The journey has seen many ups and downs! But it has been a great journey! 

Here's a Sum Frame Sudoku for today:

Rules: Place a digit from 1-9 in each empty cell so that each digit appears exactly one in every row, column and 3x3 outlined box. Additionally the numbers outside represent the sum of first three numbers in corresponding direction.

Links:

Solve Online

Sudoku 52: Sudo-Kurve Sudoku

Recently I had test solved a Sudo-Kurve Sudoku by Akash Doulani. I really liked the sudoku. So, I thought of creating one. Hope you all like it :)

Rules:  Place a digit from 1 to 9 in each empty cell so that no digit repeats in any row or bold region. Some rows bend as indicated by following the curved lines.

Links:

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Sudoku 51: Odd Even Queen Sudoku

The 5th round of Sudoku Mahabharat has started today on Logic Masters India. This round features a new variant-Odd Even queen Sudoku. Here is a practice sudoku:

Rules: Classic Sudoku rules apply. Additionally, exactly two numbers(one odd and one even) behave like chess Queens. Two queens of the same parity cannot be placed along the same row, column or diagonal of any length. The Queens should be determined as a part of solving.

Links:

Solve Online

Sudoku 50: Little Killer-Slot Machine Sudoku

It's time for a half-century! I had asked for suggestions for the 50th sudoku from all of you. I received 3 requests:

• Hybrid Sudoku
• Slot Machine Sudoku
• Any sudoku but a difficult one

So, here is a little killer slot machine sudoku. In my opinion, it is a difficult one but solver experience might vary. Happy Solving! 😃

Rules: Classic Sudoku rules apply. Additionally,

• Numbers with arrows indicate the sum of the numbers in that direction
• The three shaded columns are like a slot machine. The 9 numbers they contain will be in exactly the same order

Links:

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Sudoku 49: Division Sudoku

As 4th round of Sudoku Mahabharat is round the corner this weekend, here is a division sudoku for practice: 

Rules: Classic sudoku rules apply. Additionally, the circled number between two cells indicates the quotient when the larger digit is divided by the smaller digit. The remainder must be zero.

Links:

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Sudoku 48: Disjoint Groups Sudoku

Rules: Classic sudoku rules apply. Additionally, no digit can appear in the same position in different 3x3 boxes.

Links:

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Sudoku 47: Outside Sudoku

Next weekend 3rd round of Sudoku Mahabharat starts on Logic Masters India with the theme Outside and Irregular. Here is a practice sudoku! 

Rules: Classic Sudoku rules apply. Additionally, numbers written outside the grid must be inserted in one of the first three cells of the row/column as seen from that direction.
Link:

Solve Online