Free Block Sudoku [WSC 2015]

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Is this suitable for a Sudoku competition?

Yes
1
14%
Maybe
0
No votes
No
6
86%
 
Total votes: 7

Fred76
Posts: 162
Joined: Mon 09 Aug, 2010 1:53 pm
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Free Block Sudoku [WSC 2015]

Post by Fred76 » Sun 17 Feb, 2019 12:48 pm

28 - free block sudoku.png
28 - free block sudoku.png (55.62 KiB) Viewed 195 times
Source: 2015 WSC, Sofia

Potential issue: again the lack of regions. Authors are free to chose which part of the grid has a third constraint. This constraint being only to be "deficit" regions (of any size).

TiiT
Posts: 2
Joined: Sat 06 Nov, 2010 11:43 am

Re: Free Block Sudoku [WSC 2015]

Post by TiiT » Sun 10 Mar, 2019 3:07 pm

It's a dangerous variant. I would say that you can make this variant with only one region with 2 cells. I wouldn't say it's a sudoku.

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