WPF Sudoku Grand Prix — Indian Round — 9th - 11th February 2013 | |
LMI Tests -> Monthly Sudoku and Puzzle Tests | 187 posts • Page 1 of 8 • 1 2 3 4 5 6 7 8 |
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Location: India | |||
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Location: India | Logic Masters India announces WPF Sudoku Grand Prix — Indian RoundDates : 09th — 11th February Instructions Booklet and Submission : here | ||
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Location: India | The instructions are available online here as text for easy translations. | ||
Richard |
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WCPN Author Posts: 191 Location: The Netherlands | 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 |
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Posts: 4 Location: Czech Republic | 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 |
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2021 World Sudoku+Puzzle Convention Organizer Posts: 164 Location: Slovakia | 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 |
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Location: India | tojejedno - 2013-01-29 1:48 AM 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) 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 - 2013-01-29 5:00 AM Yes, one clue can act as both Outside clue and Skyscraper clue. So, at least, one type of clue must be satisfied.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 |
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Location: India | 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 |
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WCPN Author Posts: 191 Location: The Netherlands | debmohanty - 2013-01-29 5:28 AM tojejedno - 2013-01-29 1:48 AM 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) 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 - 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 |
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Location: India | Richard - 2013-01-29 10:55 AM 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). 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. Richard - 2013-01-29 10:55 AM 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. Sorry for bothering you, I was just wondering what is the use of one single C in the whole grid? Hope that rules in the pdf are clear and they state the same thing. | ||
Realshaggy |
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Posts: 69 Location: Germany | Is the hole monday included or only til noon? Or yet to be determined? | ||
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Location: India | Realshaggy - 2013-01-29 9:09 PM It will be open entire Monday (GMT time), like other LMI monthly tests.Is the hole monday included or only til noon? Or yet to be determined? | ||
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Location: India | The exact start and end times are now available at the submission site. | ||
TiiT |
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Posts: 139 Location: Estonia | 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 |
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Posts: 315 Location: The Netherlands | 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 |
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2021 World Sudoku+Puzzle Convention Organizer Posts: 164 Location: Slovakia | 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 |
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Posts: 148 Location: France | 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 |
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Location: India | Ours brun - 2013-01-30 4:53 PM At least one 3X3 outlined box is a magic square. Once the initial constraint is fulfilled, there are no restrictions.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. | ||
devarajand |
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Posts: 114 Location: India | Is it online solving | ||
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Location: India | devarajand - 2013-01-31 10:32 AM Yes, online solving will be enabled. Is it online solving 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. | ||
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Location: India | Rules in Chinese available here - http://www.sudokufans.org.cn/forums/topic/1070/ | ||
meowme |
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Posts: 9 Location: Singapore | 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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Location: India | meowme - 2013-02-01 7:05 PM What I meant was : 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. 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 |
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Posts: 8 Location: Iran | 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 |
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Location: India | Mahyar - 2013-02-02 1:26 PM As replied in above post, 2 letters can have 1 common digit. But both the digits can not be same for 2 letters. 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. 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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