Sudoku Champs Practice Test - U10 & U12 has started Discuss
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Riad Khanmagomedov's April Contest — 8th to 18th April 2020166 posts • Page 1 of 7 • 1 2 3 4 5 6 7
@ 2020-04-08 8:35 PM (#27885 - in reply to #27883) (#27885) Top

Riad Khanmagomedov



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Riad Khanmagomedov posted @ 2020-04-08 8:35 PM

rob - 2020-04-08 5:58 PM

For puzzle 10, what's a street? Any stretch of white cells of length at least 2? Or do they have to go from one end to the other end of the grid?


Any stretch of white cells of length at least 2.
@ 2020-04-09 12:46 AM (#27889 - in reply to #27868) (#27889) Top

forcolin




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Country : ITALY

forcolin posted @ 2020-04-09 12:46 AM

in puzzle 3 hangers there is a sentence " if there are less than two circles in a row or column, there shall be no clue in that row/column".
Is the opposite also true? I mean, if in a row/column there are no clues, in that row/column there are less than 2 circles?Or could it be that clues for a row/column are omitted?
@ 2020-04-09 12:57 AM (#27890 - in reply to #27868) (#27890) Top

Puzzle_Maestro



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20
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Puzzle_Maestro posted @ 2020-04-09 12:57 AM

All rows and columns are fully clued, i.e. if a row or column does not have any clues, then there are less than 2 circles in that row/column.
@ 2020-04-09 2:04 AM (#27891 - in reply to #27868) (#27891) Top

rob



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Country : Germany

rob posted @ 2020-04-09 2:04 AM

Are the given loop fragments in puzzle 9 of length 1, or could they be part of segments of length 2?
@ 2020-04-09 2:32 AM (#27892 - in reply to #27868) (#27892) Top

Mihalich



Posts: 26
20
Country : Ukraine

Mihalich posted @ 2020-04-09 2:32 AM

Puzzle 11:
1) Can the corners of the cards touch?
2) Can diamonds go one on top of the other?
@ 2020-04-09 7:58 AM (#27894 - in reply to #27868) (#27894) Top

athin




Posts: 11

Country : Indonesia

athin posted @ 2020-04-09 7:58 AM

Puzzle 5: Should all dominoes be connected?
@ 2020-04-09 2:11 PM (#27896 - in reply to #27891) (#27896) Top

Riad Khanmagomedov



Posts: 234
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Country : Russia

Riad Khanmagomedov posted @ 2020-04-09 2:11 PM

rob - 2020-04-09 2:04 AM

Are the given loop fragments in puzzle 9 of length 1, or could they be part of segments of length 2?

These fragments can be of any length.
@ 2020-04-09 2:21 PM (#27898 - in reply to #27892) (#27898) Top

Riad Khanmagomedov



Posts: 234
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Country : Russia

Riad Khanmagomedov posted @ 2020-04-09 2:21 PM

Mihalich - 2020-04-09 2:32 AM

Puzzle 11:
1) Can the corners of the cards touch?
2) Can diamonds go one on top of the other?

1) Yes
2) In the example, cards 3 and 5 share a common diamond.
@ 2020-04-09 2:24 PM (#27899 - in reply to #27894) (#27899) Top

Riad Khanmagomedov



Posts: 234
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Country : Russia

Riad Khanmagomedov posted @ 2020-04-09 2:24 PM

athin - 2020-04-09 7:58 AM

Puzzle 5: Should all dominoes be connected?

It's possible.
@ 2020-04-09 2:48 PM (#27900 - in reply to #27868) (#27900) Top

Kithyane



Posts: 49
2020
Country : France

Kithyane posted @ 2020-04-09 2:48 PM

Puzzle 8 : the 1-2-3-4-5 bottom clue line doesn't go til the upper left end (it stops 2 cells before). Is this normal or a display error ?
@ 2020-04-09 3:35 PM (#27902 - in reply to #27868) (#27902) Top

anurag



Posts: 136
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Country : India

anurag posted @ 2020-04-09 3:35 PM

In puzzle 2, a table displays some letters and their values. Is this an illustration or a real mapping? As I see it, it does appear to be illustrative as many of the slots don't have words that satisfy 1 = A ,P, R. I have no way to know unless I understand the rules well. There is no example either

Edited by anurag 2020-04-09 3:50 PM
@ 2020-04-09 4:02 PM (#27903 - in reply to #27868) (#27903) Top

anurag



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anurag posted @ 2020-04-09 4:02 PM

Streets of 1x1 are allowed?
Is this a town puzzle with 2x2 white areas not permissible? Or the white strips must be 1XN when evaliating the score? There is no clear demarcation in the description between puzzle rules and score evaluation.

Edited by anurag 2020-04-09 4:11 PM
@ 2020-04-09 7:37 PM (#27904 - in reply to #27868) (#27904) Top

pranavmanu



Posts: 55
2020
Country : India

pranavmanu posted @ 2020-04-09 7:37 PM

In puzzle 2, the mapping of 1 - A,P,R given doesn't seem to fit the grid. Is it applicable to the grid or given as an example?
@ 2020-04-09 7:46 PM (#27905 - in reply to #27904) (#27905) Top

mstang




Posts: 74
202020
Country : United States

mstang posted @ 2020-04-09 7:46 PM

I think the given letters are part of the puzzle, not just an example. Remember that not every name is going to be used.
@ 2020-04-09 7:48 PM (#27906 - in reply to #27868) (#27906) Top

pranavmanu



Posts: 55
2020
Country : India

pranavmanu posted @ 2020-04-09 7:48 PM

Ah,missed that. Thank you for the clarification!
@ 2020-04-09 8:04 PM (#27907 - in reply to #27905) (#27907) Top

anurag



Posts: 136
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Country : India

anurag posted @ 2020-04-09 8:04 PM

Not every name is used, but every slot needs to be filled in. There seem to be no names from the list matching the slots.
@ 2020-04-09 8:50 PM (#27908 - in reply to #27868) (#27908) Top

rob



Posts: 170
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Country : Germany

rob posted @ 2020-04-09 8:50 PM

I've solved puzzle 2, it's fine.
@ 2020-04-09 8:52 PM (#27909 - in reply to #27868) (#27909) Top

Kithyane



Posts: 49
2020
Country : France

Kithyane posted @ 2020-04-09 8:52 PM

Puzzle 9 : what does "passing through all rows and columns" mean for the loop ? In the example, the loop doesn't use the top line of the grid at all...
@ 2020-04-09 9:11 PM (#27910 - in reply to #27908) (#27910) Top

anurag



Posts: 136
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Country : India

anurag posted @ 2020-04-09 9:11 PM

Thanks, for some reason I was thinking consecutive letters should be the same if the numbers in the cells are equal.
@ 2020-04-10 12:27 AM (#27912 - in reply to #27868) (#27912) Top

WA1729




Posts: 65
202020
Country : United States

WA1729 posted @ 2020-04-10 12:27 AM

Puzzle 11: "...it is possible to uniquely restore their contours." Does the assignment of numbers to cards have to be unique, or is it enough to uniquely specify the nine 3x5 borders of the cards?
@ 2020-04-10 7:29 AM (#27913 - in reply to #27868) (#27913) Top

forcolin




Posts: 172
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Country : ITALY

forcolin posted @ 2020-04-10 7:29 AM

In puzzle 10, I am nut sure whether I can consider a solution as valid if it is the only way of respecting the rules and the clues. Can Riad (or any of the organizers) check the solution I have currently filed and tell me if it is valid and unique?

Edited by forcolin 2020-04-10 7:49 AM
@ 2020-04-10 9:55 AM (#27914 - in reply to #27868) (#27914) Top

anurag



Posts: 136
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Country : India

anurag posted @ 2020-04-10 9:55 AM

Puzzle 10: Is this a town puzzle with 2x2 white areas not permissible? Or the white strips must be 1XN when evaluating the score? There is no clear demarcation in the description between puzzle rules and score evaluation.
@ 2020-04-10 2:27 PM (#27916 - in reply to #27868) (#27916) Top

Administrator



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Country : India

Administrator posted @ 2020-04-10 2:27 PM

Updated Puzzle Booklet


An updated version of the Puzzle Booklet is available now.

Changes:
Puzzle 9 : Example fixed
Puzzle 10: Rules updated

@ 2020-04-10 4:56 PM (#27918 - in reply to #27912) (#27918) Top

Riad Khanmagomedov



Posts: 234
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Country : Russia

Riad Khanmagomedov posted @ 2020-04-10 4:56 PM

WA1729 - 2020-04-10 12:27 AM

Puzzle 11: "...it is possible to uniquely restore their contours." Does the assignment of numbers to cards have to be unique, or is it enough to uniquely specify the nine 3x5 borders of the cards?

The reviewer should clearly define the borders of the nine cards and their numerical values.
@ 2020-04-10 6:22 PM (#27920 - in reply to #27913) (#27920) Top

Riad Khanmagomedov



Posts: 234
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Country : Russia

Riad Khanmagomedov posted @ 2020-04-10 6:22 PM

forcolin - 2020-04-10 7:29 AM

In puzzle 10, I am nut sure whether I can consider a solution as valid if it is the only way of respecting the rules and the clues. Can Riad (or any of the organizers) check the solution I have currently filed and tell me if it is valid and unique?

I was sent your solution, it is not valid. Some rectangles that you were supposed to declare dark can be declared completely white. You need to get a solution without 2x2 white fragments. You use this condition as given in advance. This is incorrect.
Riad Khanmagomedov's April Contest — 8th to 18th April 2020166 posts • Page 1 of 7 • 1 2 3 4 5 6 7
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