We recently provided several of the puzzles for the United States Sudoku Team Qualifying Test and will be posting these here every few days through July. This week we’re featuring the standard variations now with this Thermo-Sudoku (15 points).

PDF

or solve online (using SudokuPad)

Theme: Twenty-Six

Author/Opus: This is the 611st puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard Thermo-Sudoku rules (insert a number from 1 to 9 into each cell so that no number repeats in any row, column, or bold region). Some thermometer shapes are in the grid; numbers must be strictly increasing from the round bulb to the flat end.

Difficulty (highlight to view): 4 stars

Time Standards (highlight to view): Grandmaster = 5:00, Master = 11:00, Expert = 22:00

Solution: PDF; a YouTube video discussing this creation will be posted later.

Note: Follow this link for more Thermo-Sudoku puzzles. If you are new to this puzzle type, here are our easiest Thermo-Sudoku to get started on. More Thermo-Sudoku puzzles can be found in these books in our e-store. Also, visit this page to purchase all of the puzzles from the 16th World Sudoku Championship including some Thermo-Sudoku.

Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our Twelve Months of Sudoku? post on the GMPuzzles Discord. Not a member of the Discord? Click this link for basic access.