Shinro

A Shinro puzzle in its initial state...

...and with the hidden Holes displayed.

Shinro (しんろ) is a logic-based puzzle that has similarities to Sudoku and Minesweeper. The objective is to locate 12 hidden 'Holes' on an 8×8 grid. The board contains a variable number of arrows, each of which points to at least one Hole. A count of the number of Holes is given for each Row and Column.

Originally appearing in Japanese puzzle magazines, Shinro was popularized by its appearance in Southwest Airline's Spirit Magazine.[1] It has since spawned web-based and iPhone versions.

## Contents

* 1 Name
* 2 Availability
* 3 See also
* 4 Notes
* 5 External links

## Name

New York City -based puzzle-writing company Puzzability has been credited with coining the name Shinro in 2007.[2] The name Shinro (しんろ) translates to "compass bearing", referring to the arrows that point towards the Holes.[3]

## Availability

Websites:

* Southwest Airlines Spirit Magazine, Fun and Games section Downloadable PDF with four puzzles
* Shinropuzzles website Printable puzzles with solutions
* Sternenhimmel (Babelfish translation[yes|permanent dead link|dead link}}]) German variation where each arrow points to only one Hole
* Evolutionary Algorithm for Generation of Entertaining Shinro Logic Puzzles by David Oranchak
* playshinro.com online Shinro games

iPhone:

* Shinro Mines
* Jabeh with video tutorial
* Sudoku Shinro

Android:

* Shinro: Minefield

## See also

* Logic puzzle

## Notes

1. ↑ Southwest Airlines Spirit Magazine, Fun and Games section
2. ↑ Shinropuzzles website Credit given to Puzzability for coining the name 'Shinro'
3. ↑ Google Translate translation of Shinro (しんろ)

## External links

* Shinro tutorial
* Downloadable puzzles, Shinro tutorial, and a book

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