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 Sudo-Calcudoku 
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Posted on: Sat Apr 07, 2012 2:53 am




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Joined: Fri May 13, 2011 2:11 am
Post Re: Sudo-Calcudoku
Step 4 was the exact one I took, but it's not a step I like having to make. Just because it can't be qualified as anything other than guessing.


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Posted on: Sun Apr 08, 2012 2:10 pm




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Joined: Fri May 13, 2011 6:51 pm
Post Re: Sudo-Calcudoku
starling wrote:
Step 4 was the exact one I took, but it's not a step I like having to make. Just because it can't be qualified as anything other than guessing.


With respect to the "guessing", it's difficult to distinguish when it's or it's not. Thinking like the ancien philosophers, many times we are in a dilemma or even in a "trilemma" (is this word correct in English?) but, in the case of the dilemma, if we can clearly demonstrate that one of the ways is logically wrong then, very probably, the dilemma disappears, there is no more uncertainty, the "future" is clear. Usually, in a very difficult sudoku, there are more "dilemmas" or "trilemmas" than in a equivalent calcudoku, the sudokers solve them using the X-Wing or the XY-Wing strategies.

Nice Easter Week for you, starling, Patrick, and the rest of the calcudokers.


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Posted on: Sun Apr 08, 2012 11:51 pm




Posts: 931
Location: Ladysmith, BC, Canada
Joined: Fri May 13, 2011 1:37 am
Post Re: Sudo-Calcudoku
I would also like to wish my fellow calcudoku puzzlers a Happy Easter....Ken


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Posted on: Mon Apr 09, 2012 2:46 am




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Post Re: Sudo-Calcudoku
beaker wrote:
I would also like to wish my fellow calcudoku puzzlers a Happy Easter....Ken


Although this isn't an Easter topic... yes, Happy Easter. And let's see if anyone responds to this...

Christ is Risen!


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Posted on: Mon Apr 09, 2012 6:07 am




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Joined: Fri May 13, 2011 2:11 am
Post Re: Sudo-Calcudoku
sneaklyfox wrote:
beaker wrote:
I would also like to wish my fellow calcudoku puzzlers a Happy Easter....Ken


Although this isn't an Easter topic... yes, Happy Easter. And let's see if anyone responds to this...

Christ is Risen!

He is risen indeed!

As for X-Wings and XY-Wings, I've never been a fan of considering those as anything more than guessing, even in Sudoku. At that, step 4 is an X-wing, but it doesn't change that realistically determining it to be an X-wing is no better than plugging in one of the numbers and hoping one of them isn't possible.


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Posted on: Mon Apr 09, 2012 3:57 pm




Posts: 428
Location: Canada
Joined: Fri May 13, 2011 2:43 am
Post Re: Sudo-Calcudoku
starling wrote:
He is risen indeed!

As for X-Wings and XY-Wings, I've never been a fan of considering those as anything more than guessing, even in Sudoku. At that, step 4 is an X-wing, but it doesn't change that realistically determining it to be an X-wing is no better than plugging in one of the numbers and hoping one of them isn't possible.


I guessed you'd be the one responding, starling.

X-wing is a valid strategy and not guessing, at least the way I understand it. That said, I haven't actually done the sudo-calcudoku puzzle or read the steps written out.


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