sudoku buddy

Notes on possible new logic puzzles

sudoku buddy

Postby dobrichev » Sun Apr 30, 2017 7:01 pm

dobrichev
2016 Supporter
 
Posts: 1302
Joined: 24 May 2010

Re: sudoku buddy

Postby JasonLion » Sun Apr 30, 2017 8:38 pm

The patent describes a device to keep track of the pencil marks in a single cell, allowing you to check for naked singles, designed so it can be reused for each of the unsolved cells sequentially.

It sounds extremely tedious to use, as you need to rediscover the on/off state of each pencil mark for each cell manually each time through.
User avatar
JasonLion
2017 Supporter
 
Posts: 620
Joined: 25 October 2007
Location: Silver Spring, MD, USA

Re: sudoku buddy

Postby dobrichev » Mon May 01, 2017 2:27 pm

This can be bundled with a kit of 729 pencilmarks. Plain for the Sport edition and coloured for the Heavy Duty edition.
dobrichev
2016 Supporter
 
Posts: 1302
Joined: 24 May 2010


Return to Inventors' studio