Archive for the ‘Puzzle’ Category:

Yajilin by Grant Fikes

Yajilin by Grant Fikes

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Theme: Clue Symmetry and Logic

Author/Opus: This is the 195th 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 = 0:45, Master = 1:30, Expert = 3:00

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.

Range by Serkan Yürekli

Range by Serkan Yürekli

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Theme: Clue Symmetry and Logic

Author/Opus: This is the 106th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Fill the grid with digits from the indicated range (1 to n) so that no digit is repeated within a row or column. Number clues in the grid indicate the difference between the largest and smallest digits in the visible cells (i.e., going from the clue until hitting an edge or another triangled cell). If there is only one visible cell, the clue number indicates the digit itself.

Range by Thomas Snyder

Answer String: Enter the digits in the 5th row from left to right, followed by a comma, followed by the 7th row from left to right. Ignore the triangled cells.

Time Standards (highlight to view): Grandmaster = 4:15, Master = 9:15, Expert = 18:30

Solution: PDF; a solution video is available here.

Note: Follow this link for other less common Number Placement puzzles.

Range by Serkan Yürekli

Range by Serkan Yürekli

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

Theme: Clue Symmetry and Logic

Author/Opus: This is the 105th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Fill the grid with digits from the indicated range (1 to n) so that no digit is repeated within a row or column. Number clues in the grid indicate the difference between the largest and smallest digits in the visible cells (i.e., going from the clue until hitting an edge or another triangled cell). If there is only one visible cell, the clue number indicates the digit itself.

Range by Thomas Snyder

Answer String: Enter the digits in the 4th row from left to right, followed by a comma, followed by the 10th column from top to bottom. Ignore the triangled cells.

Time Standards (highlight to view): Grandmaster = 4:00, Master = 5:45, Expert = 11:30

Solution: PDF

Note: Follow this link for other less common Number Placement puzzles.

Range by Serkan Yürekli

Range by Serkan Yürekli

PDF

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

Theme: Clue Symmetry and Logic

Author/Opus: This is the 104th puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Fill the grid with digits from the indicated range (1 to n) so that no digit is repeated within a row or column. Number clues in the grid indicate the difference between the largest and smallest digits in the visible cells (i.e., going from the clue until hitting an edge or another triangled cell). If there is only one visible cell, the clue number indicates the digit itself.

Range by Thomas Snyder

Answer String: Enter the digits in the 7th row from left to right, followed by a comma, followed by the 4th column from top to bottom. Ignore the triangled cells.

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

Solution: PDF

Note: Follow this link for other less common Number Placement puzzles.

Range by Serkan Yürekli

Range by Serkan Yürekli

PDF

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

Theme: Clue Symmetry and Logic

Author/Opus: This is the 103rd puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Fill the grid with digits from the indicated range (1 to n) so that no digit is repeated within a row or column. Number clues in the grid indicate the difference between the largest and smallest digits in the visible cells (i.e., going from the clue until hitting an edge or another triangled cell). If there is only one visible cell, the clue number indicates the digit itself.

Range by Thomas Snyder

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

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

Solution: PDF

Note: Follow this link for other less common Number Placement puzzles.

Range by Serkan Yürekli

Range by Serkan Yürekli

PDF

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

Theme: Clue Symmetry and Logic

Author/Opus: This is the 102nd puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Fill the grid with digits from the indicated range (1 to n) so that no digit is repeated within a row or column. Number clues in the grid indicate the difference between the largest and smallest digits in the visible cells (i.e., going from the clue until hitting an edge or another triangled cell). If there is only one visible cell, the clue number indicates the digit itself.

Range by Thomas Snyder

Answer String: Enter the digits in the 7th row from left to right, followed by a comma, followed by the 5th column from top to bottom. Ignore the triangled cells.

Time Standards (highlight to view): Grandmaster = 1:15, Master = 2:00, Expert = 4:00

Solution: PDF

Note: Follow this link for other less common Number Placement puzzles.

Range by Serkan Yürekli

Range by Serkan Yürekli

PDF

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

Theme: Clue Symmetry and Logic

Author/Opus: This is the 101st puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Fill the grid with digits from the indicated range (1 to n) so that no digit is repeated within a row or column. Number clues in the grid indicate the difference between the largest and smallest digits in the visible cells (i.e., going from the clue until hitting an edge or another triangled cell). If there is only one visible cell, the clue number indicates the digit itself.

Range by Thomas Snyder

Answer String: Enter the digits in the 4th row from left to right, followed by a comma, followed by the 6th column from top to bottom. Ignore the triangled cells.

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

Solution: PDF

Note: Follow this link for other less common Number Placement puzzles.

Killer Sudoku by Serkan Yürekli

Killer Sudoku by Serkan Yürekli

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Theme: The Last Ones (for patron Randiman Rogers; all cages end in 1, and symmetric clues add to 11)

Author/Opus: This is the 100th 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 9th row from left to right.

Time Standards (highlight to view): Grandmaster = 10:00, Master = 25:00, Expert = 50:00

Solution: PDF; a solution video is available here.

Note: Follow this link for more Killer Sudoku and this link for classic Sudoku. More Killer Sudoku puzzles can be found in Killer Sudoku by Serkan Yürekli.

Easy as Signpost LITS by Chris Green

LITS (Signpost) by Chris Green

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Theme: Latin Square

Author/Opus: This is the 4th puzzle from guest contributor and site patron Chris Green.

Rules: Standard LITS rules. Also, as in “Easy as LITS”, the letters outside the grid indicate the first tetromino encountered in the corresponding direction. Also, as in “Signpost LITS”, some cells or groups of cells are outlined and labeled with a letter. If any of these cells is shaded, then the tetromino shape must match the clued letter.

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 = 8:45, Master = 11:00, Expert = 22:00

Solution: PDF

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

Nurikabe by Prasanna Seshadri

Nurikabe by Prasanna Seshadri

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Theme: Daniel Cohen (alphanumeric conversion of top/bottom rows; i.e., 4=D, 1=A, 14=N, …)

Author/Opus: This is the 117th puzzle from our contributing puzzlemaster Prasanna Seshadri.

Rules: Standard Nurikabe rules.

Answer String: Enter the length in cells of each of the black segments (the unnumbered, connected “ocean”) 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 = 6:15, Master = 11:30, Expert = 23:00

Solution: PDF

Note: Follow this link for other classic Nurikabe. If you are new to this puzzle type, here are our easiest Nurikabes to get started on.