Double Minesweeper by Thomas Snyder
or solve online (using our beta test of Penpa-Edit tools. Use left click to place 1 or 2 mines, right click (in cell) to mark unused, right click (on edge/corner) to mark a note; hitting tab will also enable a shading mode. If you want more solving options, turn off Penpa-Lite option.)
Theme: Series
Author/Opus: This is the 294th puzzle from Thomas Snyder, aka Dr. Sudoku.
Rules: Place either 0, 1, or 2 mines into each empty cell so that each number represents the total count of mines in all neighboring cells, including diagonally adjacent cells. See also this example:
Answer String: For each cell in the marked rows, enter the number of mines (0, 1, 2) for each cell. Enter 0 if the cell is a number cell. Separate each row’s entry from the next with a comma. In the example, the answer is “022102,002000”.
Time Standards (highlight to view): Grandmaster = 1:30, Master = 2:00, Expert = 4:00
Solution: PDF
Note: Click here for other Minesweeper puzzles.
Not only a double minesweeper, but a “double” as used in Baroque music. In Bach suites, for example, a movement might be followed up by a “double”, which is an elaborated version of the same movement (such as in the first Partita for solo violin, in which every movement has a double).