Dr. Sudoku Prescribes #146 – Skyscrapers (Sum)

Sum Skyscrapers by Thomas Snyder

PDF

or solve online (using our beta test of Penpa-Edit tools)

Theme: Nine High

Rules: Variant of Skyscrapers rules. The numbers outside the grid represent the sum of the buildings seen in that row or column. For example, if a row is 12534, the clue from the left would be an 8 (1+2+5) and from the right would be a 9 (4+5).

Answer String: Enter the 2nd row from left to right, followed by a comma, followed by the 5th row from left to right.

Time Standards (highlight to view): Grandmaster = 1:00, Master = 2:15, Expert = 4:30

Solution: PDF

Schedule for Week 49

Last week’s puzzles are grouped together in this PDF.

As we roll into December we expect to have a few treats for you here at Grandmaster Puzzles. These are the puzzles this week (highlight to view), with more gifts to come:
Monday – Fillomino by Grant Fikes
Tuesday – Nurikabe by Tom Collyer
Wednesday – Skyscraper (Sums) by Thomas Snyder
Thursday – Tapa-like Loop by Serkan Yürekli
Friday – Star Battle by Thomas Snyder
Saturday – Sudoku +/- 4 by Palmer Mebane

Dr. Sudoku Prescribes #145 – Battleships

Battleships by Thomas Snyder

PDF

or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between ship placement and shading modes. In ship placement mode, right click gives sea, left click gives circle/square, left click and drag for rounded ships.)

Theme: Even Versus Odd

Rules: Standard Battleships rules. Use the indicated fleet.

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

Time Standards (highlight to view): Grandmaster = 2:30, Master = 4:15, Expert = 8:30

Solution: PDF

Dr. Sudoku Prescribes #144 – Sudoku

Sudoku by Thomas Snyder

PDF

or solve online (using our beta test of Penpa-Edit tools)

Theme: Virginia is for Sudoku Lovers (Note: This puzzle was the final puzzle for this year’s Arlington Puzzle Festival. Congratulations to Erik Agard, Carolyn Offutt, and Jim Spaulding for their 1st/2nd/3rd performance in the tournament.)

Rules: Standard Sudoku rules.

Answer String: Enter the 1st row from left to right, followed by a comma, followed by the 9th row from left to right.

Time Standards (highlight to view): Grandmaster = 2:15, Master = 3:30, Expert = 7:00

Solution: PDF

Note: Follow this link for other classic Sudoku. If you are new to this puzzle type, here are our easiest Sudoku to get started on. More classic Sudoku puzzles can be found in The Art of Sudoku, The Art of Sudoku 2 and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

Schedule for Week 48

Last week’s puzzles are grouped together in this PDF.

This week will have a few more “regular” puzzles than the rest of November, but still some of the variety that we hope you have become thankful for over this year. And for the first time in a few weeks we will have all of our contributing puzzlemasters providing puzzles (to whom I am especially thankful for helping to grow GMPuzzles into an even more incredible site). Highlight to view the schedule:
Monday – Cross the Streams by Grant Fikes
Tuesday – Masyu by Tom Collyer
Wednesday – Sudoku by Thomas Snyder
Thursday – Battleships by Thomas Snyder
Friday – Easy as Japanese Sums by Serkan Yürekli
Saturday – Hexa Briquets by Palmer Mebane

Dr. Sudoku Prescribes #143 – Sudoku

Sudoku by Thomas Snyder

PDF

or solve online (using our beta test of Penpa-Edit tools)

Theme: High and Low (Note: This puzzle was one of the qualifying round puzzles from this year’s Arlington Puzzle Festival)

Rules: Standard Sudoku rules.

Answer String: Enter the 2nd column from top to bottom, followed by a comma, followed by the 6th column from top to bottom.

Time Standards (highlight to view): Grandmaster = 2:15, Master = 3:15, Expert = 6:30

Solution: PDF

Note: Follow this link for other classic Sudoku. If you are new to this puzzle type, here are our easiest Sudoku to get started on. More classic Sudoku puzzles can be found in The Art of Sudoku, The Art of Sudoku 2 and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

Schedule for Week 47

Last week’s puzzles are grouped together in this PDF.

This week will have a few surprises and a few less familiar puzzle types. Here are the puzzles you can expect from Monday to Saturday this week (highlight to view):
Monday – Cave by Grant Fikes
Tuesday – Letter Pairs by Palmer Mebane
Wednesday – Sudoku by Thomas Snyder
Thursday – Trid by Serkan Yürekli
Friday – Pentomino Puddles by Serkan Yürekli
Saturday – Neighbors by Palmer Mebane

Dr. Sudoku Prescribes #142 – Sudoku

Sudoku by Thomas Snyder

PDF

or solve online (using our beta test of Penpa-Edit tools)

Theme: Four-leaf Clover (Note: This puzzle was one of the qualifying round puzzles from this year’s Arlington Puzzle Festival)

Rules: Standard Sudoku rules.

Answer String: Enter the 1st row from left to right, followed by a comma, followed by the 9th row from left to right.

Time Standards (highlight to view): Grandmaster = 3:00, Master = 5:15, Expert = 10:30

Solution: PDF

Note: Follow this link for other classic Sudoku. If you are new to this puzzle type, here are our easiest Sudoku to get started on. More classic Sudoku puzzles can be found in The Art of Sudoku, The Art of Sudoku 2 and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

Schedule for Week 46

Last week’s puzzles are grouped together in this PDF.

We’ve been having some harder puzzles recently, particularly as the number of new types (including WPC practice puzzles) has been high. This week will probably be no different and has certainly tested as having harder than usual puzzles on many of the days. Here are the puzzles you can expect from Monday to Saturday this week (highlight to view):
Monday – LITS by Grant Fikes
Tuesday – Sudoku by Thomas Snyder
Wednesday – Pentomino Coral Variation by Palmer Mebane
Thursday – Tren by Serkan Yürekli
Friday – Graffiti (Loop) by Serkan Yürekli
Saturday – Pentomino Coral Variation by Palmer Mebane

Dr. Sudoku Prescribes #141 – Sudoku

Sudoku by Thomas Snyder

PDF

or solve online (using our beta test of Penpa-Edit tools)

Theme: Logical (Note: This puzzle was one of the qualifying round puzzles from this year’s Arlington Puzzle Festival)

Rules: Standard Sudoku rules.

Answer String: Enter the 4th row from left to right, followed by a comma, followed by the 6th row from left to right.

Time Standards (highlight to view): Grandmaster = 2:00, Master = 2:45, Expert = 5:30

Solution: PDF

Note: Follow this link for other classic Sudoku. If you are new to this puzzle type, here are our easiest Sudoku to get started on. More classic Sudoku puzzles can be found in The Art of Sudoku, The Art of Sudoku 2 and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.