Araf (Inequality) by Thomas Snyder

Araf by Thomas Snyder

PDF

or solve online (using our beta test of Penpa-Edit tools)

Theme: Growing Up

Author/Opus: This is the 373rd puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Variation of Araf rules. Divide the grid into some regions formed of edge-adjacent squares. Each cell is part of one region, and each region should contain exactly two given numbers, one in a yellow circle (>) and one in a red circle (<). Each region must have an area that is strictly between those numbers.

Difficulty: 2 stars

Time Standards (highlight to view): Grandmaster = 1:30, Master = 2:30, Expert = 5:00

Solution: To be posted by next Sunday (January 31st).

Note: Follow this link for more Araf puzzles on this website. If you are new to this puzzle type, here are our easiest Araf Puzzles to get started on.

Araf by John Bulten

Araf by John Bulten

PDF

or solve online (using our beta test of Penpa-Edit tools)

Theme: J

Author/Opus: This is the 72nd puzzle from our contributing puzzlemaster John Bulten.

Rules: Standard Araf rules.

Difficulty: 2 stars

Time Standards (highlight to view): Grandmaster = 1:30, Master = 2:00, Expert = 4:00

Solution: To be posted by next Sunday (January 31st).

Note: Follow this link for more Araf puzzles on this website. If you are new to this puzzle type, here are our easiest Araf Puzzles to get started on.

Araf by Murat Can Tonta

Araf by Murat Can Tonta

PDF

or solve online (using our beta test of Penpa-Edit tools)

Theme: 1 to 9

Author/Opus: This is the 188th puzzle from our contributing puzzlemaster Murat Can Tonta.

Rules: Standard Araf rules.

Difficulty: 2 stars

Time Standards (highlight to view): Grandmaster = 1:20, Master = 2:00, Expert = 4:00

Solution: To be posted by next Sunday (January 31st).

Note: Follow this link for more Araf puzzles on this website. If you are new to this puzzle type, here are our easiest Araf Puzzles to get started on.

Sunday Update and Solutions

You can find all the puzzles from our most recent Sudoku week in this PDF and the solutions are all grouped in this PDF.

We have two solving videos on paper for the Friday Sudoku by Ashish Kumar and the Saturday Arrow Sudoku by Swaroop Guggilam:

This coming week will feature Araf puzzles. If you are unfamiliar with this style (particularly how to solve in Penpa-Edit), this earlier solving video may be helpful for the week.

Arrow Sudoku by Swaroop Guggilam

Arrow Sudoku by Swaroop Guggilam

PDF

or solve online (using our beta test of Penpa-Edit tools)

Theme: House

Author/Opus: This is the 10th puzzle from guest contributor Swaroop Guggilam.

Rules: Standard Arrow Sudoku rules.

Difficulty: 4 stars

Time Standards (highlight to view): Grandmaster = 7:30, Master = 13:00, Expert = 26:00

Solution: PDF; a solution video is also available here.

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.

Sudoku by Ashish Kumar

Sudoku by Ashish Kumar

PDF

or solve online (using our beta test of Penpa-Edit tools)

Theme: Waves

Author/Opus: This is the 59th puzzle from our contributing puzzlemaster Ashish Kumar.

Rules: Standard Sudoku rules.

Difficulty: 3.5 stars

Time Standards (highlight to view): Grandmaster = 4:30, Master = 8:30, Expert = 17:00

Solution: PDF; a solution video is also available here.

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.

Sudoku by R. Kumaresan

Sudoku by R. Kumaresan

PDF

or solve online (using our beta test of Penpa-Edit tools)

Theme: Double S

Author/Opus: This is the 1st puzzle from guest contributor R. Kumaresan.

Rules: Standard Sudoku rules.

Difficulty: 3.5 stars

Time Standards (highlight to view): Grandmaster = 3:00, Master = 6:45, Expert = 13:30

Solution: PDF

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.