Archive for the ‘Sudoku’ Category:

Sudoku by Ashish Kumar

Sudoku by Ashish Kumar

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Theme: Clue Symmetry and Logic

Author/Opus: This is the 12th puzzle from guest contributor Ashish Kumar.

Rules: Standard Sudoku rules.

Answer String: Enter the 1st row from left to right, followed by a comma, followed by the 6th row from left to right.

Time Standards (highlight to view): Grandmaster = 2:45, Master = 4:15, Expert = 8:30

Note: Follow this link for other classic Sudoku. If you are new to this puzzle type, here are our easiest Sudoku to get started on. More classic Sudoku puzzles can be found in The Art of Sudoku and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

Tight Fit Sudoku (Unique Pairs) by Chris Green

Tight Fit Sudoku by Chris Green

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Theme: Sweeping Diagonals

Author/Opus: This is the 9th puzzle from guest contributor Chris Green.

Rules: Standard Tight Fit Sudoku rules. Also, looking across all of the Tight Fit cells in both grids, each Tight Fit cell must have a unique pair of digits.

Answer String: In the top grid, enter the 1st row from left to right, followed by a comma, followed by the 4th row from left to right; then, after another comma, in the bottom grid enter the 4th row from left to right, followed by a comma, followed by the 6th row from left to right. (Note: for the tight fit cells, enter the top before the bottom as would be normal for the read order.)

Time Standards (highlight to view): Grandmaster = 11:15, Master = 20:00, Expert = 40:00

Note: Follow this link for other Tight Fit Sudoku puzzles on this website. If you are new to this puzzle type, here are our easiest Tight Fit Sudoku to get started on. More Tight Fit Sudoku can be found in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

Birthday Surprise Sudoku by Prasanna Seshadri

(Note: This bonus puzzle is being posted today to mark the occasion of Prasanna’s birthday.)

Birthday Surprise Sudoku by Prasanna Seshadri

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Theme: 28 from 03/02 1991-2019

Author/Opus: This is the 173rd puzzle from our contributing puzzlemaster Prasanna Seshadri.

Rules: Standard Sudoku rules. The numbers outside the grid indicate the sum of all digits between the 8 and the 9 in that row or column. Also, as in Consecutive Pairs Sudoku, if a grey circle is given between two adjacent cells, then the two numbers in those cells must be consecutive. (Note: not all grey circles are given; adjacent cells without a circle may contain either consecutive numbers or nonconsecutive numbers.)

Answer String: Enter the 1st row from left to right, followed by a comma, followed by the 7th row from left to right.

Time Standards (highlight to view): Grandmaster = 6:45, Master = 10:00, Expert = 20:00

Note: Follow this link for other variations of Sudoku and this link for classic Sudoku. If you are new to this puzzle type, here are our easiest Sudoku to get started on.

Consecutive Pairs Sudoku by Ashish Kumar

Consecutive Pairs Sudoku by Ashish Kumar

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Theme: Dots Vs. Numbers

Author/Opus: This is the 11th puzzle from guest contributor Ashish Kumar.

Rules: Standard Sudoku rules. Additionally, if a grey circle is given between two adjacent cells, then the two numbers in those cells must be consecutive. (Note: not all grey circles are given; adjacent cells without a circle may contain either consecutive numbers or nonconsecutive numbers.)

Answer String: Enter the 2nd row from left to right, followed by a comma, followed by the 9th row from left to right.

Time Standards (highlight to view): Grandmaster = 7:30, Master = 12:30, Expert = 25:00

Note: Follow this link for other variations of Sudoku and this link for classic Sudoku. If you are new to this puzzle type, here are our easiest Sudoku to get started on.

Killer Sudoku by Serkan Yürekli

Killer Sudoku by Serkan Yürekli

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Theme: Rocket Launch

Author/Opus: This is the 248th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Standard Sudoku rules. Also, the sum of the digits in each cage must equal the value given in the upper-left corner of that cage. Digits cannot repeat inside a cage.

Answer String: Enter the 2nd row from left to right, followed by a comma, followed by the 8th row from left to right.

Time Standards (highlight to view): Grandmaster = 4:00, Master = 7:30, Expert = 15:00

Note: Follow this link for other variations of Sudoku and this link for classic Sudoku. If you are new to this puzzle type, here are our easiest Sudoku to get started on.

Jigsaw Wordoku by Bryce Herdt

Jigsaw Wordoku by Bryce Herdt

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Theme: Feng Shui (Clue symmetry, and 7 of the regions have one line of symmetry for the region and for the clues)

Author/Opus: This is the 12th puzzle from guest contributor Bryce Herdt.

Rules: Insert a letter from FENG SHUI into each cell so that no letter repeats in any row, column, or bold region.

Answer String: Enter the 4th row from left to right, followed by a comma, followed by the 8th row from left to right. Use CAPITAL LETTERS.

Time Standards (highlight to view): Grandmaster = 2:45, Master = 4:45, Expert = 9:30

Note: Follow this link for other variations of Sudoku and this link for classic Sudoku. If you are new to this puzzle type, here are our easiest Sudoku to get started on.

Arrow Sudoku by Kishore Kumar Sridharan

Arrow Sudoku by Kishore Kumar Sridharan

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Theme: Median

Author/Opus: This is the 3rd puzzle from guest contributor Kishore Kumar Sridharan.

Rules: Standard Arrow Sudoku rules.

Answer String: Enter the 2nd row from left to right, followed by a comma, followed by the 6th row from left to right.

Time Standards (highlight to view): Grandmaster = 3:00, Master = 4:45, Expert = 9:30

Note: Follow this link for more Arrow Sudoku. If you are new to this puzzle type, here are our easiest Arrow Sudoku to get started on.