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WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013
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Subject: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-01-25 7:23 AM (#9566) (#9566) Top


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Subject: Re: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-01-28 10:05 AM (#9587 - in reply to #9566) (#9587) Top


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Logic Masters India announces WPF Sudoku Grand Prix — Indian Round


Dates : 09th — 11th February

Instructions Booklet and Submission : here

Administrator
Subject: Re: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-01-28 9:02 PM (#9593 - in reply to #9566) (#9593) Top


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The instructions are available online here as text for easy translations.
Richard
Subject: Re: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-01-28 10:31 PM (#9596 - in reply to #9587) (#9596) Top


WCPN Author

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In IB in 'Coded Pair' the letter C is either redundant or there is a C missing in Row 8, between columns 4 and 5.
tojejedno
Subject: Re: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-01-29 1:48 AM (#9598 - in reply to #9566) (#9598) Top




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But in the IB there is NOT written, that all possible locations of pairs are marked, so I think, that the puzzle is correct.
greenhorn
Subject: Re: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-01-29 5:00 AM (#9599 - in reply to #9566) (#9599) Top


Wacky Slovak Classics Author

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In the 17th puzzle - Outside or Skyscraper - it seems that both possible choices may be used at once (the clue "1" in 8th column). Am I right? It is not so obvious from the instructions.
Thanks
debmohanty
Subject: Re: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-01-29 5:28 AM (#9600 - in reply to #9599) (#9600) Top



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tojejedno - 2013-01-29 1:48 AM

But in the IB there is NOT written, that all possible locations of pairs are marked, so I think, that the puzzle is correct.
You are right. All possible locations of pairs are not marked. (There are several other places where A/B/C/D could have been marked)
greenhorn - 2013-01-29 5:00 AM

In the 17th puzzle - Outside or Skyscraper - it seems that both possible choices may be used at once (the clue "1" in 8th column). Am I right? It is not so obvious from the instructions.
Thanks
Yes, one clue can act as both Outside clue and Skyscraper clue. So, at least, one type of clue must be satisfied.
debmohanty
Subject: Re: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-01-29 8:20 AM (#9601 - in reply to #9600) (#9601) Top



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Same is true for for Odd Even Frame as well. For example, if 4 is the clue outside, the first 3 digits could be 1,3,4 in any order.
Richard
Subject: Re: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-01-29 10:55 AM (#9602 - in reply to #9600) (#9602) Top


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debmohanty - 2013-01-29 5:28 AM

tojejedno - 2013-01-29 1:48 AM

But in the IB there is NOT written, that all possible locations of pairs are marked, so I think, that the puzzle is correct.
You are right. All possible locations of pairs are not marked. (There are several other places where A/B/C/D could have been marked)
greenhorn - 2013-01-29 5:00 AM



Sorry for bothering you, I was just wondering what is the use of one single C in the whole grid?
Unless the instructions mean that 'if a 5 is used for pair D, it can't be used for pair C'. But that is not how I read the instructions; I interpreted it as 'if 56 is usded for pair D, the combination 56 can't be used for C. But 15 is possible for C, or 26.
So maybe I interpret the instructions not correct.

debmohanty
Subject: Re: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-01-29 11:28 AM (#9603 - in reply to #9602) (#9603) Top



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Richard - 2013-01-29 10:55 AM

I interpreted it as 'if 56 is usded for pair D, the combination 56 can't be used for C. But 15 is possible for C, or 26.
Hi Richard, this is correct interpretation. If D represents 56(or 65), C cannot be 56. C can however be 15 or 26 (or 34).

Richard - 2013-01-29 10:55 AM
Sorry for bothering you, I was just wondering what is the use of one single C in the whole grid?
You have answered that yourself. If you determine that D is 56(or 65), C can never be 56. It does not matter how many times C is present in the grid. It could be once or more than once.

Hope that rules in the pdf are clear and they state the same thing.
Realshaggy
Subject: Re: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-01-29 9:09 PM (#9606 - in reply to #9566) (#9606) Top




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Is the hole monday included or only til noon? Or yet to be determined?
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Subject: Re: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-01-29 9:36 PM (#9607 - in reply to #9606) (#9607) Top


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Realshaggy - 2013-01-29 9:09 PM

Is the hole monday included or only til noon? Or yet to be determined?
It will be open entire Monday (GMT time), like other LMI monthly tests.
Administrator
Subject: Re: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-01-29 10:55 PM (#9609 - in reply to #9607) (#9609) Top


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The exact start and end times are now available at the submission site.

TiiT
Subject: Re: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-01-30 2:42 AM (#9610 - in reply to #9566) (#9610) Top




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What does it mean that one of the Given 3x3 boxes is a magic square. Every 9 boxes are given... or does it mean that in the magic square box there has to be at least one given?
Para
Subject: Re: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-01-30 3:56 AM (#9611 - in reply to #9610) (#9611) Top




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TiiT - 2013-01-30 2:42 AM

What does it mean that one of the Given 3x3 boxes is a magic square. Every 9 boxes are given... or does it mean that in the magic square box there has to be at least one given?


It's just to point out that only the marked 3x3 boxes count and not for example R2C4-R2C6-R4C6-R4C4. If they were to only say, somewhere in the grid there is a magic square, then this square could also be legal.
greenhorn
Subject: Re: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-01-30 7:40 AM (#9612 - in reply to #9611) (#9612) Top


Wacky Slovak Classics Author

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Para - 2013-01-30 3:56 AM

TiiT - 2013-01-30 2:42 AM

What does it mean that one of the Given 3x3 boxes is a magic square. Every 9 boxes are given... or does it mean that in the magic square box there has to be at least one given?


It's just to point out that only the marked 3x3 boxes count and not for example R2C4-R2C6-R4C6-R4C4. If they were to only say, somewhere in the grid there is a magic square, then this square could also be legal.


Maybe the word "outlined" should be there instead of "given"
Ours brun
Subject: RE: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-01-30 4:53 PM (#9625 - in reply to #9566) (#9625) Top





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To answer a question that was asked on http://sudokuvariante.forumactif.com, although I am quite sure of the answer: on this same puzzle, is it allowed that two or more regions each form a magic square? Also, is it allowed to find a magic square somewhere else in the grid, as far as the initial constraint is fulfilled?

Thank you.
debmohanty
Subject: RE: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-01-30 10:19 PM (#9629 - in reply to #9625) (#9629) Top



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Ours brun - 2013-01-30 4:53 PM

To answer a question that was asked on http://sudokuvariante.forumactif.com, although I am quite sure of the answer: on this same puzzle, is it allowed that two or more regions each form a magic square? Also, is it allowed to find a magic square somewhere else in the grid, as far as the initial constraint is fulfilled?

Thank you.
At least one 3X3 outlined box is a magic square. Once the initial constraint is fulfilled, there are no restrictions.
devarajand
Subject: Re: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-01-31 10:32 AM (#9632 - in reply to #9566) (#9632) Top




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Is it online solving
Administrator
Subject: Re: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-01-31 10:39 AM (#9633 - in reply to #9632) (#9633) Top


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devarajand - 2013-01-31 10:32 AM

Is it online solving
Yes, online solving will be enabled.
However, please note that for some sudokus you might need external marking (e.g. Coded Pairs). You cannot do those kind of markings with online solving.
Administrator
Subject: Re: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-01-31 2:28 PM (#9635 - in reply to #9566) (#9635) Top


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Rules in Chinese available here - http://www.sudokufans.org.cn/forums/topic/1070/
meowme
Subject: Re: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-02-01 7:05 PM (#9647 - in reply to #9566) (#9647) Top




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May I ask how we will need to do external marking? Since the sudoku type in question has all necessary markings already given to us in the puzzle.
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Subject: Re: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-02-01 11:17 PM (#9651 - in reply to #9647) (#9651) Top


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meowme - 2013-02-01 7:05 PM

May I ask how we will need to do external marking? Since the sudoku type in question has all necessary markings already given to us in the puzzle.
What I meant was :
In coded pair, you might want to write A = 23 somewhere. If you are solving on paper, taking these notes are obviously easy, but there is no facility to note such things in in online solving.
Similarly you might want to draw a line in Linked Classics between the duplicates rows across the grids.
Mahyar
Subject: Re: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-02-02 1:26 PM (#9653 - in reply to #9566) (#9653) Top





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I have problem with Puzzle "Coded Pair".
In letters C and B, number 1 is common. I want to know that in different letters, all the pair numbers should be different or one them can be equal like the example?
i.e. you mean that only pairs "should not be equal" and if one number in the pair become equal, it is possible.
debmohanty
Subject: Re: WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 @ 2013-02-02 3:00 PM (#9655 - in reply to #9653) (#9655) Top



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Mahyar - 2013-02-02 1:26 PM

I have problem with Puzzle "Coded Pair".
In letters C and B, number 1 is common. I want to know that in different letters, all the pair numbers should be different or one them can be equal like the example?
i.e. you mean that only pairs "should not be equal" and if one number in the pair become equal, it is possible.
As replied in above post, 2 letters can have 1 common digit. But both the digits can not be same for 2 letters.

If letter D represents 56(or 65), letter C cannot be 56. Letter C can however be 15 or 26 (or 34) or whatever else.

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