Serkan’s Pentomino puzzles can be found in this PDF.
This week will feature a set of Fillomino by Grant Fikes and Tapa (Skyscrapers) by Prasanna Seshadri. Next Sunday will include a special 100th submission from Prasanna, so be sure not to miss it!
No new puzzles this week, but next week will bring a loaded 6+1 puzzles from Grant Fikes and Prasanna Seshadri.
Over the next two weeks, every other day starting Tuesday, we will have some pentomino puzzles from Serkan Yürekli. Enjoy!
or solve online (using our beta test of Penpa-Edit tools)
Theme: Paired Clues (Written for 2015 Puzzle Grand Prix Finals but not used)
Author/Opus: This is the 230th puzzle from Thomas Snyder, aka Dr. Sudoku.
Rules: Place the ten indicated tetrominoes into the grid, rotations and reflections allowed. Tetrominoes cannot cover the numbered cells, and tetrominoes cannot be placed in adjacent cells that share an edge or corner. Numbered cells indicate how many of the surrounding cells (including diagonally adjacent cells) contain parts of tetrominoes.
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 = 7:30, Expert = 15:00
Solution: PDF
or solve online (using our beta test of Penpa-Edit tools; use tab to shift between shading mode and the linex mode where left click+drag draws lines and right click marks X’s)
Theme: Clue Symmetry and Logic (Written for 2015 Puzzle Grand Prix Finals)
Author/Opus: This is the 229th puzzle from Thomas Snyder, aka Dr. Sudoku.
Rules: Standard Cave rules.
Answer String: Enter the length in cells of each of the cave segments from left to right for the marked rows, starting at the top. Separate each row’s entry with a comma.
Time Standards (highlight to view): Grandmaster = 4:45, Master = 8:00, Expert = 16:00
Solution: PDF
Note: Follow this link for other classic Caves. If you are new to this puzzle type, here are our easiest Cave Puzzles to get started on.
Last week’s full set of Fillomino and Nanro from Grant Fikes can be found in this PDF.
We will be taking a few weeks off from posting puzzles to work on some other projects.
Next week will have a set of puzzles from Grant Fikes, specifically some Fillomino and some Nanro puzzles.
Last week’s “inspired by” collection from guest contributors is in this PDF.
As a reminder, there will be no new puzzles this week. A full week of puzzles from Grant Fikes will be coming for 9/28-10/3.
Last week’s Tapa variations from Serkan Yürekli are gathered in this PDF.
Next week will have a set of puzzles that were “inspired” by other authors’ creations. All of the puzzles are on the harder end of the difficulty scale. The exact schedule is:
Tuesday: Easy as Skyscraper by Dan Katz, inspired by Craig Kasper
Thursday: Slitherlink (Sudoku) by Carl Worth, inspired by Scott Handelman
Saturday: S as in Sudoku by Bryce Herdt, inspired by Thomas Snyder
Note: There will be no new puzzles during the week of 9/21-9/27.
The second week of Indian Puzzle Championship puzzles from Prasanna Seshadri is in this PDF.
This week we have a set of Tapa Variations from the genre’s creator, Serkan Yürekli. The exact schedule is:
Tuesday: Tapa (Line)
Thursday: Tapa (Islands)
Saturday: Tapa (Star)