## Archive for the ‘Season 4’ Category:

### Snake by Thomas Snyder

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.

PDF

or solve online (using our beta test of Penpa-Edit tools with a composite mode where left click inside cell marks as O or X, left click + drag draws line segment; hit tab to also access a shading mode that can be used for answer entry.)

Theme: Arithmetic Series

Author/Opus: This is the 502nd puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Locate a snake (a 1-cell wide path) of unknown length in the grid, whose head and tail are given. The snake does not touch itself, even diagonally. Numbers outside the grid indicate the number of snake cells in that row/column.

Difficulty: 1 star

Time Standards (highlight to view): Grandmaster = 0:45, Master = 1:00, Expert = 2:00

Solution: PDF and solving animation.

Note: Follow this link for other Snake puzzles. More Snake puzzles and variations can be found in Snake and Variations by Serkan Yürekli.

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

### Dotted Snake 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.

PDF

or solve online (using our beta test of Penpa-Edit tools with a composite mode where left click inside cell marks as O or X, left click + drag draws line segment; hit tab to also access shading and number entry modes.)

Theme: S is for Snake

Author/Opus: This is the 118th puzzle from our contributing puzzlemaster JinHoo Ahn.

Rules: Locate a numbered snake (a 1-cell wide path) that starts with 1 and goes to 30 (in example, 1 to 15). The snake cannot touch itself, not even diagonally. Every third segment of the snake is marked with gray. Digits outside the grid indicate the number of gray snake segments in that row or column.

Difficulty: 2 stars

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

Solution: PDF and solving animation.

Note: Follow this link for other Snake puzzles. More Snake puzzles and variations can be found in Snake and Variations by Serkan Yürekli.

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

### First Seen Snake by Thomas Snyder

PDF

or solve online (using our beta test of Penpa-Edit tools with a composite mode where left click inside cell marks as O or X, left click + drag draws line segment; hit tab to also access a shading mode that can be used for answer entry.)

Theme: Clue Pairs

Author/Opus: This is the 501st puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Draw a snake (a 1-cell wide path) of unknown length in the grid, whose head and tail are given. The snake does not touch itself, even diagonally. Numbers outside the grid indicate the length of the first snake segment encountered from that direction.

Difficulty: 1 star

Time Standards (highlight to view): Grandmaster = 0:30, Master = 1:00, Expert = 2:00

Solution: PDF and solving animation.

Note: Follow this link for other Snake puzzles. More Snake puzzles and variations can be found in Snake and Variations by Serkan Yürekli.

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

### Snake Egg by Serkan Yürekli

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.

PDF

or solve online (using our beta test of Penpa-Edit tools with a composite mode where left click inside cell shades square, left click + drag draws line segment, right click inside cell adds dot, and right click on cell edge adds an x; hit tab to also access a shading mode that can be used for answer entry.)

Theme: Odd Regions

Author/Opus:  This is the 481st puzzle from our managing editor Serkan Yürekli.

Rules: Draw a snake (a 1 cell-wide path) in the grid whose head and tail are given by circled cells. The snake can touch itself diagonally, but cannot touch itself orthogonally or revisit any square. Besides the snake, the remaining cells must form exactly nine white areas, one of each size from 1 to 9 (in example, 1 to 5). Numbers in the grid must be part of white areas of the indicated size.

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 other Snake puzzles. More Snake puzzles and variations can be found in Snake and Variations by Serkan Yürekli.

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

### Finnish Snake by Murat Can Tonta

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.

PDF

or solve online (using our beta test of Penpa-Edit tools with a composite mode where left click inside cell marks as O or X, left click + drag draws line segment; hit tab to also access a shading mode that can be used for answer entry.)

Theme: Knight Steps

Author/Opus: This is the 291st puzzle from our contributing puzzlemaster Murat Can Tonta.

Rules: Draw a snake in the grid with a 1-cell wide path, its head and tail represented by gray circles, and some segments represented by white circles. The snake does not touch itself, even diagonally.

Difficulty: 1 star

Time Standards (highlight to view): Grandmaster = 0:30, Master = 1:00, Expert = 2:00

Solution: PDF and solving animation.

Note: Follow this link for other Snake puzzles. More Snake puzzles and variations can be found in Snake and Variations by Serkan Yürekli.

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

### Bonus: Star Battle (also known as Queens) by Thomas Snyder

Today we have two “500th puzzle” celebrations from Thomas Snyder, with a more challenging Math Path for our Season 4 subscribers posting soon.

Earlier this year, Thomas helped provide puzzles for the launch of the LinkedIn game Queens, a very accessible, one-star version of Star Battle puzzles. We will be posting some weekly Queens bonuses here through this season, including puzzles that ended up being too large or difficult or unusual for the partner project but still perfect for our audience here. This “500 on GP” puzzle was made specifically for today’s milestone posts.

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: 500 on GP

Author/Opus: This is the 500th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard Star Battle rules. One star per row, column, and region.

Difficulty: 2 stars

Time Standards (highlight to view): Grandmaster = 1:15, Master = 2:30, Expert = 5:00

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.

### Kurotto (Star Battle) by Serkan Yürekli

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.

PDF

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

Theme: Diagonals

Author/Opus: This is the 478th puzzle from our managing editor Serkan Yürekli.

Rules: Standard Kurotto 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 shaded cells.

Difficulty: 1 star

Time Standards (highlight to view): Grandmaster = 0:45, Master = 1:00, Expert = 2:00

Solution: PDF and solving animation.

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.

### Fillomino (Star Battle) by Thomas Snyder

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.

PDF

or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between a composite mode for line/edge drawing, number entry, shading, and star placement modes.)

Theme: Block Party

Author/Opus: This is the 498th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard Fillomino rules. Also, each row, column, and polyomino must contain exactly one star. Stars cannot be placed in adjacent cells that share an edge or corner.

Difficulty: 2 stars

Time Standards (highlight to view): Grandmaster = 0:45, Master = 2:30, Expert = 5:00

Solution: PDF and solving animation.

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.

### 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.

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 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.

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.