Double Yajilin by Prasanna Seshadri

Yajilin by Prasanna Seshadri

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Theme: Outside Clues

Author/Opus: This is the 155th puzzle from our contributing puzzlemaster Prasanna Seshadri.

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 = 5:00, Master = 7:30, Expert = 15:00

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 Murat Can Tonta

Yajilin by Murat Can Tonta

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Theme: Clue Symmetry and Logic

Author/Opus: This is the 64th puzzle from our contributing puzzlemaster Murat Can Tonta.

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 = 6:30, Master = 8:00, Expert = 16:00

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.

TomTom by Thomas Snyder

TomTom by Thomas Snyder

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Theme: Half and Half

Author/Opus: This is the 268th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard TomTom rules, using the integers 1-8.

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

Time Standards (highlight to view): Grandmaster = 8:00, Master = 15:00, Expert = 30:00

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

Skyscrapers by Thomas Snyder

Sum Skyscrapers by Thomas Snyder

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Theme: Increasing Series

Author/Opus: This is the 267th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard Skyscrapers 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 = 7:30, Master = 14:15, Expert = 28:30

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

Starship Battle by Carl Worth

Starship Battle by Carl Worth

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Theme: One-sided Battle

Author/Opus: This is the 24th puzzle from our contributing puzzlemaster Carl Worth.

Rules: Combination of Battleships and Star Battle. Follow standard Battleships rules. Also, exactly one ship segment is present in each bold region.

Answer String: For each row from top to bottom, enter the number of the first column from the left where a ship segment appears (enter just the last digit for any two-digit number). If the row is empty, enter 0. Enter these numbers as a single string with no separators.

Time Standards (highlight to view): Grandmaster = 5:30, Master = 10:30, Expert = 21:00

Note: Follow this link for classic Star Battles and this link for classic Battleships.

Tapa-Like Loop by Prasanna Seshadri

Tapa-like Loop by Prasanna Seshadri

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Theme: Clue Symmetry and Logic

Author/Opus: This is the 153rd puzzle from our contributing puzzlemaster Prasanna Seshadri.

Rules: In this variation of Tapa, the wall is in the form of a single non-intersecting loop. Clues inside the grid represent the number of neighboring cells visited by the loop; if there is more than one number in a cell, each number should be represented with a separate loop segment. There is no 2×2 rule of Tapa in this puzzle. This example image should help:

Tapa-like Loop Example by Serkan Yürekli

Answer String: Enter the length in cells of the horizontal loop segments from left to right in the marked rows, starting at the top. Separate each row’s entry with a comma. For the example, this would be “11,12”.

Time Standards (highlight to view): Grandmaster = 2:30, Master = 5:00, Expert = 10:00

Note: Follow this link for other Tapa-Like Loop puzzles. More Tapa-Like Loop puzzles can be found in the Tapa-Like Loop Collection by Prasanna Seshadri.

Tapa (Visionary) by Serkan Yürekli

Tapa (Visionary) by Serkan Yürekli

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Theme: The most popular puzzle of TVC XI

Author/Opus: This is the 153rd puzzle from our contributing puzzlemaster Serkan Yürekli.

Rules: Variation of Tapa. Each clue cell contains two sets of numbers. Black numbers are regular Tapa clues for immediately neighboring cells. Gray numbers supply clues for secondary neighbors that are separated by one cell from the clue cell. (It may help to refer to the figure below that shows the two rings of cells affected by black numbers and gray numbers).

Tapa (Visionary) Example

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 = 5:00, Master = 8:30, Expert = 17:00

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