Cross the Streams (Star Battle) by Grant Fikes

This is a free “warm-up” puzzle; Season 4 subscribers will see today’s main puzzle in the same style posted at 9:05 AM PT.

Cross the Streams (Star Battle) by Grant Fikes

PDF

or solve online (using our beta test of Penpa-Edit tools; use tab key to alternate between shading and star placement modes.)

Author/Opus: This is the 485th puzzle from our contributing puzzlemaster Grant Fikes.

Rules: Standard Cross the Streams rules. Also, each row and column must contain exactly one star. Stars cannot be placed in adjacent cells that share an edge or corner, and all stars must be on empty cells that are not shaded.

Difficulty: 1.5 stars

Time Standards (highlight to view): Grandmaster = 1:00, Master = 1:45, Expert = 3:30

Solution: PDF and solving animation.

Note: Follow this link for classic Cross the Streams and this link for Cross the Streams variations. Follow this link for other classic Star Battles and this link for Star Battle variations.

Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our Week 1 Discussion post on the GMPuzzles Discord.

Masyu (Star Battle) by Prasanna Seshadri

This is a free “warm-up” puzzle; Season 4 subscribers will see today’s main puzzle in the same style posted at 9:05 AM PT.

Masyu Star Battle by Prasanna Seshadri

PDF

or solve online (using our beta test of Penpa-Edit tools; use tab key to alternate between loop drawing and star placement modes.)

Theme: Whiteboard

Author/Opus: This is the 308th puzzle from our contributing puzzlemaster Prasanna Seshadri.

Rules: Standard Masyu rules. Also, each row and column must contain exactly two stars. Stars cannot be placed in adjacent cells that share an edge or corner, and all stars must be on empty cells which are not part of the loop.

Difficulty: 1.5 stars

Time Standards (highlight to view): Grandmaster = 1:00, Master = 1:30, Expert = 3:00

Solution: PDF and solving animation.

Note: Follow this link for classic Masyu and this link for Masyu variations. Follow this link for other classic Star Battles and this link for Star Battle variations.

Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our Week 1 Discussion post on the GMPuzzles Discord.

Star Battle by JinHoo Ahn

This is a free “warm-up” puzzle; Season 4 subscribers will see today’s main puzzle in the same style posted at 9:05 AM PT.

Star Battle by JinHoo Ahn

PDF

or solve online (using our beta test of Penpa-Edit tools; in composite Star Battle mode a left click places a star, right click in a cell marks off the cell, and a right click on an edge or corner marks in a dot as a placement note.)

Theme: Tuesday

Author/Opus: This is the 117th puzzle from our contributing puzzlemaster JinHoo Ahn.

Rules: Standard Star Battle rules. Two stars per row, column, and region.

Difficulty: 1.5 stars

Time Standards (highlight to view): Grandmaster = 0:45, Master = 1:30, Expert = 3:00

Solution: PDF and solving animation.

Note: Follow this link for other classic Star Battles and this link for Star Battle variations. If you are new to this puzzle type, here are our easiest Star Battles to get started on. More Star Battle puzzles can be found in these books in our e-store.

Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our Week 1 Discussion post on the GMPuzzles Discord.

Star Battle by JinHoo Ahn

This is a free “warm-up” puzzle; Season 4 subscribers will see today’s main puzzle in the same style posted at 9:05 AM PT.

Star Battle by JinHoo Ahn

PDF

or solve online (using our beta test of Penpa-Edit tools; in composite Star Battle mode a left click places a star, right click in a cell marks off the cell, and a right click on an edge or corner marks in a dot as a placement note.)

Theme: In the Name of LOVE

Author/Opus: This is the 116th puzzle from our contributing puzzlemaster JinHoo Ahn.

Rules: Standard Star Battle rules. Two stars per row, column, and region.

Difficulty: 1.5 stars

Time Standards (highlight to view): Grandmaster = 0:50, Master = 1:30, Expert = 3:00

Solution: PDF and solving animation.

Note: Follow this link for other classic Star Battles and this link for Star Battle variations. If you are new to this puzzle type, here are our easiest Star Battles to get started on. More Star Battle puzzles can be found in these books in our e-store.

Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our Week 1 Discussion post on the GMPuzzles Discord.

End of Season 4 Preview Week

We hope you enjoyed the recent “preview week” of puzzles for Season 4 of Grandmaster Puzzles.

Click here for a PDF of all the preview week puzzles.
Click here for a PDF of all the solutions.

Starting tomorrow will be the first subscribers-only week of this season, featuring Star Battle puzzles and variations. The easier warm-up puzzles will still be here for everyone to see but the main blog puzzles and the interesting Sunday Specials will be for subscribers only. Overall there will be 12 weeks and about 100 subscriber only puzzles in Season 4. Subscriptions can be purchased in our e-store at this link.

We also have a special deal for people who purchase before the end of September: Get (a maximum of) $4 off any other book/subscription on the GMPuzzles store by adding that item to the same cart when you purchase Season 4. This is a great way to pick up another GMPuzzles book, or to catch up on prior subscriptions where you’ll be able to get access to all puzzles and blog posts right away.

Masyu by Grant Fikes

Masyu by Grant Fikes

(view directly for a larger image)

PDF

or solve online (using our beta test of Penpa-Edit tools in linex mode where left click+drag draws lines and right click marks X’s)

Author/Opus: This is the 483rd puzzle from our contributing puzzlemaster Grant Fikes.

Rules: Standard Masyu rules.

Difficulty: 2 stars

Time Standards (highlight to view): Grandmaster = 1:45, Master = 3:15, Expert = 6:30

Solution: PDF and solving animation.

Note: Follow this link for classic Masyu and this link for Masyu variations. If you are new to this puzzle type, here are our easiest Masyu to get started on. More Masyu puzzles can be found in these books in our e-store.

Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our week-0-discussion thread on the GMPuzzles Discord. If you are not yet part of this Discord community, use this link.

Masyu by Grant Fikes

Masyu by Grant Fikes

(view directly for a larger image)

PDF

or solve online (using our beta test of Penpa-Edit tools in linex mode where left click+drag draws lines and right click marks X’s)

Author/Opus: This is the 482nd puzzle from our contributing puzzlemaster Grant Fikes.

Rules: Standard Masyu rules.

Difficulty: 2 stars

Time Standards (highlight to view): Grandmaster = 1:30, Master = 3:00, Expert = 6:00

Solution: PDF and solving animation.

Note: Follow this link for classic Masyu and this link for Masyu variations. If you are new to this puzzle type, here are our easiest Masyu to get started on. More Masyu puzzles can be found in these books in our e-store.

Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our week-0-discussion thread on the GMPuzzles Discord. If you are not yet part of this Discord community, use this link.

Masyu by Grant Fikes

Masyu by Grant Fikes

(view directly for a larger image)

PDF

or solve online (using our beta test of Penpa-Edit tools in linex mode where left click+drag draws lines and right click marks X’s)

Author/Opus: This is the 481st puzzle from our contributing puzzlemaster Grant Fikes.

Rules: Standard Masyu rules.

Difficulty: 2 stars

Time Standards (highlight to view): Grandmaster = 2:00, Master = 3:00, Expert = 6:00

Solution: PDF and solving animation.

Note: Follow this link for classic Masyu and this link for Masyu variations. If you are new to this puzzle type, here are our easiest Masyu to get started on. More Masyu puzzles can be found in these books in our e-store.

Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our week-0-discussion thread on the GMPuzzles Discord. If you are not yet part of this Discord community, use this link.

Consecutive Pairs Sudoku by Salih Alan

Consecutive Pairs Sudoku by Salih Alan

PDF

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

Theme: Hourglass

Author/Opus: This is the 31st puzzle from guest contributor Salih Alan.

Rules: Standard Consecutive Pairs Sudoku rules. (If a gray circle is given between two adjacent cells, then the two numbers in those cells must be consecutive. Note not all gray circles are given; adjacent cells without a circle may contain either consecutive numbers or nonconsecutive numbers.)

Difficulty: 4.5 stars

Time Standards (highlight to view): Grandmaster = 6:45, Master = 15:00, Expert = 30:00

Solution: PDF and solving animation.

Note: Follow this link for Consecutive Pairs Sudoku puzzles on this website. If you are new to this puzzle type, here are our easiest Consecutive Pairs Sudoku to get started on. More Consecutive Pairs Sudoku puzzles can be found in these books in our e-store.

Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our week-0-discussion thread on the GMPuzzles Discord. If you are not yet part of this Discord community, use this link.

Consecutive Pairs Sudoku by Akash Doulani

Consectuive Pairs Sudoku by Akash Doulani

PDF

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

Theme: All Round Symmetry

Author/Opus: This is the 20th puzzle from guest contributor Akash Doulani.

Rules: Standard Consecutive Pairs Sudoku rules. (If a gray circle is given between two adjacent cells, then the two numbers in those cells must be consecutive. Note not all gray circles are given; adjacent cells without a circle may contain either consecutive numbers or nonconsecutive numbers.)

Difficulty: 2 stars

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

Solution: PDF and solving animation.

Note: Follow this link for Consecutive Pairs Sudoku puzzles on this website. If you are new to this puzzle type, here are our easiest Consecutive Pairs Sudoku to get started on. More Consecutive Pairs Sudoku puzzles can be found in these books in our e-store.

Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our week-0-discussion thread on the GMPuzzles Discord. If you are not yet part of this Discord community, use this link.