Even/Odd Sudoku by Serkan Yürekli

Even Odd Sudoku by Serkan Yürekli

PDF

Theme: The King

Author/Opus: This is the 200th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Standard Sudoku rules. Also, digits in circles must be odd and digits in squares must be even.

Answer String: Enter the 3rd row from left to right, followed by a comma, followed by the 6th row from left to right.

Time Standards (highlight to view): Grandmaster = 2:30, Master = 4:00, Expert = 8:00

Note: Follow this link for other Even/Odd Sudoku. Follow this link for classic Sudoku.

Arrow Sudoku by Thomas Snyder

Arrow Sudoku by Thomas Snyder

PDF

Theme: A Series of Arrows

Author/Opus: This is the 315th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard Arrow 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 = 0:45, Master = 1:15, Expert = 2:30

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.

Even/Odd Sudoku by Thomas Snyder [bonus]

Our master+ subscribers receive access to two bonus puzzles each week in addition to other rewards. We make these posts so those supporters have a space to comment on these puzzles, mark as FAVES, or log their solving. If you are interested in subscribing and seeing these bonus puzzles, click here for more info.

Even Odd Sudoku by Thomas Snyder

Theme: Broken Diagonal?

Author/Opus: This is the 314th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard Sudoku rules. Also, digits in circles must be odd and digits in squares must be even.

Answer String: Enter the 3rd row from left to right, followed by a comma, followed by the 5th row from left to right.

Time Standards (highlight to view): Grandmaster = 0:35, Master = 0:45, Expert = 1:30

Note: Follow this link for other Even/Odd Sudoku. Follow this link for classic Sudoku.

Schedule for Next Week

In case you’ve been trapped in a Cave, our most recent week of puzzles can be found in this PDF.

This coming week features two variations of Sudoku: Arrow and Even/Odd. These styles will be among the styles featured in our upcoming sequel to The Art of Sudoku arriving in the second half of this year. In addition to our puzzlemasters, you’ll see puzzles this week from some of the guest authors who are contributors to that book.

This week, Master+ subscribers to the site are getting a bonus easy Even/Odd Sudoku and a hard Arrow Sudoku by Thomas Snyder, as well as images of the puzzle solutions. If you want to become a subscriber and get access to bonus puzzles, solutions, e-books, and other rewards, check out this page.

Cave by Serkan Yürekli [Bonus]

Our master+ subscribers receive access to two bonus puzzles each week in addition to other rewards. We make these posts so those supporters have a space to comment on these puzzles, mark as FAVES, or log their solving. If you are interested in subscribing and seeing these bonus puzzles, click here for more info.

Cave by Serkan Yürekli

Theme: 5+

Author/Opus: This is the 199th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Standard Cave rules.

Answer String: Enter the length in cells of each of the cave segments from left to right for the marked rows, starting at the top. Separate each row’s entry with a comma.

Time Standards (highlight to view): Grandmaster = 2:30, Master = 4:00, Expert = 8:00

Note: Follow this link for other classic Caves. If you are new to this puzzle type, here are our easiest Cave Puzzles to get started on. More Cave puzzles can be found in The Art of Puzzles and in Roger Barkan’s Colossal Cave Collection.

Formed Cave by Serkan Yürekli

Cave by Serkan Yürekli

PDF

Theme: Clue Symmetry and Logic

Author/Opus: This is the 198th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Standard Cave rules; also, all groups of cells outside the Cave must be formed out of different arrangements of exactly five cells (i.e., different pentominoes). Pentomino shapes may be reflected or rotated, but they cannot repeat or touch each other. Not all pentominoes need to appear.

This example uses four cell regions (i.e., tetrominoes) within the same rules.

Cave by Thomas Snyder

Answer String: Enter the length in cells of each of the cave segments from left to right for the marked rows, starting at the top. Separate each row’s entry with a comma.

Time Standards (highlight to view): Grandmaster = 6:45, Master = 11:45, Expert = 23:30

Note: Follow this link for other Cave variations and this link for other classic Caves. If you are new to this puzzle type, here are our easiest Cave Puzzles to get started on. More Cave puzzles can be found in The Art of Puzzles and in Roger Barkan’s Colossal Cave Collection.

Cave by Murat Can Tonta

Cave by Murat Can Tonta

PDF

Theme: Easy As …?

Author/Opus: This is the 99th puzzle from our contributing puzzlemaster Murat Can Tonta.

Rules: Standard Cave rules.

Answer String: Enter the length in cells of each of the cave segments from left to right for the marked rows, starting at the top. Separate each row’s entry with a comma.

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

Note: Follow this link for other classic Caves. If you are new to this puzzle type, here are our easiest Cave Puzzles to get started on. More Cave puzzles can be found in The Art of Puzzles and in Roger Barkan’s Colossal Cave Collection.