Archive for the ‘Kuromasu’ Category:

Kuromasu (Double) by Prasanna Seshadri

Kuromasu by Prasanna Seshadri

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Theme: Clue Symmetry and Logic

Author/Opus: This is the 43rd puzzle from our contributing puzzlemaster Prasanna Seshadri.

Rules: Shade some dominoes (pairs of empty cells) black so that each number indicates the total count of white cells connected vertically and horizontally to that number including the numbered cell itself. Dominoes cannot share an edge, and all white cells must belong to a single connected group. Or see this example:

Kuromasu by Thomas Snyder

Answer String: Enter the length in cells of each of the white segments from left to right for the marked rows, starting at the top. Separate each row’s entry with a comma. This example has the key “23,15”.

Time Standards (highlight to view): Grandmaster = 6:45, Master = 9:00, Expert = 18:00

Note: Kuromasu is a new puzzle for us this week and we are curious to hear what you think of it.

Kuromasu by Prasanna Seshadri

Kuromasu by Prasanna Seshadri

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Theme: Clue Symmetry and Logic

Author/Opus: This is the 42nd puzzle from our contributing puzzlemaster Prasanna Seshadri.

Rules: Shade some empty cells black so that each number indicates the total count of white cells connected vertically and horizontally to that number including the numbered cell itself. Black cells cannot share an edge, and all white cells must belong to a single connected group. Or see this example:

Kuromasu by Thomas Snyder

Answer String: Enter the length in cells of each of the white segments from left to right for the marked rows, starting at the top. Separate each row’s entry with a comma. This example has the key “14,221”.

Time Standards (highlight to view): Grandmaster = 5:15, Master = 8:00, Expert = 16:00

Note: Kuromasu is a new puzzle for us this week and we are curious to hear what you think of it.

Kuromasu (Double) by Murat Can Tonta

Kuromasu by Murat Can Tonta

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Theme: Consecutive Partners

Author/Opus: This is the 8th puzzle from guest contributor Murat Can Tonta.

Rules: Shade some dominoes (pairs of empty cells) black so that each number indicates the total count of white cells connected vertically and horizontally to that number including the numbered cell itself. Dominoes cannot share an edge, and all white cells must belong to a single connected group. Or see this example:

Kuromasu by Thomas Snyder

Answer String: Enter the length in cells of each of the white segments from left to right for the marked rows, starting at the top. Separate each row’s entry with a comma. This example has the key “23,15”.

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

Note: Kuromasu is a new puzzle for us this week and we are curious to hear what you think of it.

Kuromasu (Double) by Murat Can Tonta

Kuromasu by Murat Can Tonta

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Theme: Three Times Four …

Author/Opus: This is the 7th puzzle from guest contributor Murat Can Tonta.

Rules: Shade some dominoes (pairs of empty cells) black so that each number indicates the total count of white cells connected vertically and horizontally to that number including the numbered cell itself. Dominoes cannot share an edge, and all white cells must belong to a single connected group. Or see this example:

Kuromasu by Thomas Snyder

Answer String: Enter the length in cells of each of the white segments from left to right for the marked rows, starting at the top. Separate each row’s entry with a comma. This example has the key “23,15”.

Time Standards (highlight to view): Grandmaster = 2:45, Master = 3:30, Expert = 7:00

Note: Kuromasu is a new puzzle for us this week and we are curious to hear what you think of it.

Kuromasu by Thomas Snyder

Kuromasu by Thomas Snyder

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Theme: Clue Symmetry and Logic

Author/Opus: This is the 191th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Shade some empty cells black so that each number indicates the total count of white cells connected vertically and horizontally to that number including the numbered cell itself. Black cells cannot share an edge, and all white cells must belong to a single connected group. Or see this example:

Kuromasu by Thomas Snyder

Answer String: Enter the length in cells of each of the white segments from left to right for the marked rows, starting at the top. Separate each row’s entry with a comma. This example has the key “14,221”.

Time Standards (highlight to view): Grandmaster = 2:00, Master = 3:30, Expert = 7:00

Note: Kuromasu is a new puzzle for us this week and we are curious to hear what you think of it.

Kuromasu by Thomas Snyder

Kuromasu by Thomas Snyder

PDF

Theme: Almost Doubled

Author/Opus: This is the 190th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Shade some empty cells black so that each number indicates the total count of white cells connected vertically and horizontally to that number including the numbered cell itself. Black cells cannot share an edge, and all white cells must belong to a single connected group. Or see this example:

Kuromasu by Thomas Snyder

Answer String: Enter the length in cells of each of the white segments from left to right for the marked rows, starting at the top. Separate each row’s entry with a comma. This example has the key “14,221”.

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

Note: Kuromasu is a new puzzle for us this week and we are curious to hear what you think of it.