Archive for the ‘Puzzle’ Category:

Double Yajilin by Grant Fikes

Yajilin by Grant Fikes

PDF

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

Theme: One, Two

Author/Opus: This is the 245th puzzle from our contributing puzzlemaster Grant Fikes.

Rules: Standard Yajilin rules, except that instead of blackening single cells, blacken in dominoes (1×2 rectangles). Clues indicate the total number of dominoes (not the total number of cells) that are shaded in the given direction.

Answer String: Enter the length in cells of the horizontal loop segments from left to right in the marked rows, starting at the top. If the loop only has vertical segments in the marked row, enter 0. Separate each row’s entry with a comma.

Time Standards (highlight to view): Grandmaster = 1:00, Master = 1:30, Expert = 3:00

Solution: PDF

Note: Follow this link for other variations of Yajilin and this link for classic Yajilin. If you are new to this puzzle type, here are our easiest Yajilin to get started on. More Yajilin puzzles can be found in The Art of Puzzles 2.

Yajilin by Grant Fikes

Yajilin by Grant Fikes

PDF

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

Theme: One, Two

Author/Opus: This is the 244th puzzle from our contributing puzzlemaster Grant Fikes.

Rules: Standard Yajilin rules.

Answer String: Enter the length in cells of the horizontal loop segments from left to right in the marked rows, starting at the top. If the loop only has vertical segments in the marked row, enter 0. Separate each row’s entry with a comma.

Time Standards (highlight to view): Grandmaster = 1:00, Master = 1:20, Expert = 2:40

Solution: PDF

Note: Follow this link for other classic Yajilin. If you are new to this puzzle type, here are our easiest Yajilin to get started on. More Yajilin puzzles can be found in The Art of Puzzles 2.

Tapa (Even Rows/Columns) by Murat Can Tonta [Bonus]

Our subscribers receive access to bonus puzzles each week. 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, click here for more info.

Tapa by Murat Can Tonta

Theme: Clue Symmetry and Logic

Author/Opus: This is the 73rd puzzle from our contributing puzzlemaster Murat Can Tonta.

Rules: Standard Tapa rules. Also, an even number of cells must be shaded in each row and in each column.

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

Time Standards (highlight to view): Grandmaster = 3:30, Master = 6:00, Expert = 12:00

Note: Follow this link for other classic Tapa and this link for Tapa variations. If you are new to this puzzle type, here are our easiest Tapa to get started on. More Tapa puzzles can be found in The Art of Puzzles and in Tapa and Variations, both by Serkan Yürekli.

Killer Sudoku by Serkan Yürekli

Killer Sudoku by Serkan Yürekli

PDF

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

Theme: Clue Symmetry and Logic (Originally on 2017 Brand’s Sudoku Open)

Author/Opus: This is the 168th puzzle from our contributing puzzlemaster Serkan Yürekli.

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

Answer String: Enter the 3rd row from left to right, followed by a comma, followed by the 7th row from left to right.

Time Standards (highlight to view): Grandmaster = 7:00, Master = 12:00, Expert = 24:00

Solution: PDF; a solution video is available here.

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.

Shape Sudoku by Serkan Yürekli

Sudoku by Serkan Yürekli

PDF

or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between Sudoku number entry mode and a shading mode to manage the shape inventory.)

Theme: Four Squares (Originally on 2017 Brand’s Sudoku Open)

Author/Opus: This is the 167th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Standard Shape Sudoku rules.

Answer String: Enter the 5th row from left to right, followed by a comma, followed by the 7th row from left to right.

Time Standards (highlight to view): Grandmaster = 4:15, Master = 11:45, Expert = 23:30

Solution: PDF

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.

Tapa by Murat Can Tonta

Tapa by Murat Can Tonta

(view directly for a larger image)

PDF

or solve online (using our beta test of Penpa-Edit tools; use tab to shift between shading mode and the composite Yajilin mode where left click marks cells, right click marks dots in cells or X’s on edges, left click+drag draws lines.)

Theme: Four Squares

Author/Opus: This is the 72nd puzzle from our contributing puzzlemaster Murat Can Tonta.

Rules: Standard Tapa rules.

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

Time Standards (highlight to view): Grandmaster = 4:00, Master = 9:00, Expert = 18:00

Solution: PDF

Note: Follow this link for other classic Tapa and this link for Tapa variations. If you are new to this puzzle type, here are our easiest Tapa to get started on. More Tapa puzzles can be found in The Art of Puzzles and in Tapa and Variations, both by Serkan Yürekli.

Even/Odd Sudoku by Serkan Yürekli

Sudoku by Serkan Yürekli

PDF

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

Theme: Alternating Stripes (Originally on 2017 Brand’s Sudoku Open)

Author/Opus: This is the 166th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Standard Even/Odd Sudoku rules (i.e., cells with a square contain an even digit; cells with a circle contain an odd digit).

Answer String: Enter the 5th row from left to right, followed by a comma, followed by the 4th column from top to bottom.

Time Standards (highlight to view): Grandmaster = 3:45, Master = 6:00, Expert = 12:00

Solution: PDF

Note: Follow this link for more Even/Odd Sudoku puzzles. If you are new to this puzzle type, here are our easiest Even/Odd Sudoku to get started on. More Even/Odd Sudoku puzzles can be found in The Art of Sudoku 2.

Tapa by Murat Can Tonta

Tapa by Murat Can Tonta

PDF

or solve online (using our beta test of Penpa-Edit tools; use tab to shift between shading mode and the composite Yajilin mode where left click marks cells, right click marks dots in cells or X’s on edges, left click+drag draws lines.)

Theme: Clue Symmetry and Logic

Author/Opus: This is the 71st puzzle from our contributing puzzlemaster Murat Can Tonta.

Rules: Standard Tapa rules.

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

Time Standards (highlight to view): Grandmaster = 1:45, Master = 3:00, Expert = 6:00

Solution: PDF

Note: Follow this link for other classic Tapa and this link for Tapa variations. If you are new to this puzzle type, here are our easiest Tapa to get started on. More Tapa puzzles can be found in The Art of Puzzles and in Tapa and Variations, both by Serkan Yürekli.

Tapa by Murat Can Tonta

Tapa by Murat Can Tonta

PDF

or solve online (using our beta test of Penpa-Edit tools; use tab to shift between shading mode and the composite Yajilin mode where left click marks cells, right click marks dots in cells or X’s on edges, left click+drag draws lines.)

Theme: Top Three

Author/Opus: This is the 70th puzzle from our contributing puzzlemaster Murat Can Tonta.

Rules: Standard Tapa rules.

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

Time Standards (highlight to view): Grandmaster = 1:15, Master = 1:40, Expert = 3:20

Solution: PDF

Note: Follow this link for other classic Tapa and this link for Tapa variations. If you are new to this puzzle type, here are our easiest Tapa to get started on. More Tapa puzzles can be found in The Art of Puzzles and in Tapa and Variations, both by Serkan Yürekli.

Kakuro (Touchy) by Grant Fikes [Bonus]

Our subscribers receive access to bonus puzzles each week. 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, click here for more info.

Kakuro by Grant Fikes

Theme: Clue Symmetry and Logic

Author/Opus: This is the 243rd puzzle from our contributing puzzlemaster Grant Fikes.

Rules: Standard Kakuro rules. Also, each placed number must share an edge with at least one other cell containing a consecutive number (1 higher or 1 lower).

Answer String: Enter the values in each white cell in the marked columns from top to bottom, separating the groups with a comma.

Time Standards (highlight to view): Grandmaster = 5:15, Master = 9:15, Expert = 18:30

Note: Follow this link for other Kakuro puzzles. More Kakuro puzzles can be found in Kakuro and Variations by Serkan Yürekli. Kakuro will also be featured in the upcoming The Art of Puzzles 2.