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Puzzle Marathon 2017 - 8th to 17th December 2017
   LMI Tests -> Monthly Sudoku and Puzzle Tests21 posts • Page 1 of 1 • 1
Administrator
Subject: Puzzle Marathon 2017 - 8th to 17th December 2017 @ 2017-11-28 9:33 AM (#23806) (#23806) Top


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Location: India



Instructions and other details - http://logicmastersindia.com/2017/12P/

Puzlifouk
Subject: Re: Puzzle Marathon 2017 - December 2017 @ 2017-11-28 5:26 PM (#23807 - in reply to #23806) (#23807) Top




Posts: 37
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After months of scarcity (because of the organization of the WSPC17, I suppose), we are very eager to discover these grids ... I wait for the dates to ask for my leave ...
Administrator
Subject: Re: Puzzle Marathon 2017 - December 2017 @ 2017-12-01 6:14 PM (#23815 - in reply to #23807) (#23815) Top


200010010020
Location: India
The contest will run from 8th to 17th December
Administrator
Subject: Re: Puzzle Marathon 2017 - 8th to 17th December 2017 @ 2017-12-03 10:27 PM (#23823 - in reply to #23806) (#23823) Top


200010010020
Location: India
The World Sudoku and Puzzle Championships for the year 2017 were organized by Logic Masters India from the 15th to the 22nd of October. As organizers we have received the question from many enthusiasts about whether the Sudokus and Puzzles of the competition will be published somewhere.

The answer is that this Championship's puzzles, like all others, will be available for purchase as e-books on the WPF Archive Page next year - http://www.worldpuzzle.org/wpf-archive/. Additionally, the respective member nations of the WPF, including India, may make the content available for their own citizens. If Indians wish to purchase the full content of either Championship, they may send a mail to wspc2017@logicmastersindia.com for more details.

To provide a sample of what a solver can expect from purchasing the content of these Championships, we have selected one Sudoku round and one Puzzle round to be made available publicly on the LMI website. This will also provide a platform for solvers who could not be present at the events to test themselves against the Champions and other world class solvers.

The Sudoku round "What is it?" was already held on LMI in October. For WPC, we have chosen the Marathon round and this contest will contain the puzzles from the Marathon round of WPC.
tamz29
Subject: Re: Puzzle Marathon 2017 - 8th to 17th December 2017 @ 2017-12-04 6:27 AM (#23824 - in reply to #23823) (#23824) Top




Posts: 152
1002020
Location: Thailand
Darn. I thought this was going to be the annual LMI Marathon :(
Anyway. There are some great puzzles here - good luck to those who didn't attend WPC.
chaotic_iak
Subject: Re: Puzzle Marathon 2017 - 8th to 17th December 2017 @ 2017-12-04 1:49 PM (#23826 - in reply to #23806) (#23826) Top



NEW, HUGE, AND CHALLENGING Author

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Is there going to be an annual LMI Marathon next year? (Which hopefully will be around February, like usual?)

Also, darn, hoped it was the PIC round.
auroux
Subject: Re: Puzzle Marathon 2017 - 8th to 17th December 2017 @ 2017-12-07 6:23 AM (#23827 - in reply to #23806) (#23827) Top


Hex Slitherlink Author

Posts: 88
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Location: France
In "Palindrome", I do not understand the sentence "Two cells, with different letters, cannot have a thick line between them". The example grid has plenty of instances of cells separated by a thick line and containing different letters.
ghirsch
Subject: Re: Puzzle Marathon 2017 - 8th to 17th December 2017 @ 2017-12-07 8:03 AM (#23828 - in reply to #23806) (#23828) Top




Posts: 75
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Location: USA
I don't understand the sentence "Each row and each column of subgrids form palindromes." For example in the middle column, the top subgrid only has CB, which is not a palindrome (though if you take the whole column it is a palindrome).

Edited by ghirsch 2017-12-07 8:04 AM
rakesh_rai
Subject: Re: Puzzle Marathon 2017 - 8th to 17th December 2017 @ 2017-12-07 4:12 PM (#23829 - in reply to #23828) (#23829) Top



Support Administrator, Converse Variations (SM 15/16) Author

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ghirsch - 2017-12-07 8:03 AM

I don't understand the sentence "Each row and each column of subgrids form palindromes." For example in the middle column, the top subgrid only has CB, which is not a palindrome (though if you take the whole column it is a palindrome).

There is only one subgrid - the3x3 box. The other grid is the complete 6x7 grid. For both, the palindrome rule "Each row and each column forms palindromes" holds.
rakesh_rai
Subject: Re: Puzzle Marathon 2017 - 8th to 17th December 2017 @ 2017-12-07 4:22 PM (#23831 - in reply to #23827) (#23831) Top



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auroux - 2017-12-07 6:23 AM

In "Palindrome", I do not understand the sentence "Two cells, with different letters, cannot have a thick line between them". The example grid has plenty of instances of cells separated by a thick line and containing different letters.


The rule is correct. The example is not. This example will be updated.
Administrator
Subject: Re: Puzzle Marathon 2017 - 8th to 17th December 2017 @ 2017-12-07 7:20 PM (#23832 - in reply to #23806) (#23832) Top


200010010020
Location: India
A new version of the Instruction booklet has been uploaded, some Answer Key texts have been changed and some details about duration and submissions have been added. Note that though it was mentioned in the earlier version, Instant Grading will not be applied to this contest.
chaotic_iak
Subject: Re: Puzzle Marathon 2017 - 8th to 17th December 2017 @ 2017-12-07 7:35 PM (#23833 - in reply to #23832) (#23833) Top



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Are you sure you're using the correct example for Palindrome? The example in the WPC IB is very different, and that one has the correct "two cells with different letters are not separated by thick line" rule.
Administrator
Subject: Re: Puzzle Marathon 2017 - 8th to 17th December 2017 @ 2017-12-07 8:46 PM (#23834 - in reply to #23833) (#23834) Top


200010010020
Location: India
chaotic_iak - 2017-12-07 7:35 PM

Are you sure you're using the correct example for Palindrome? The example in the WPC IB is very different, and that one has the correct "two cells with different letters are not separated by thick line" rule.


We missed the example in the last version, that has now been replaced with the correct one.
ghirsch
Subject: Re: Puzzle Marathon 2017 - 8th to 17th December 2017 @ 2017-12-07 8:51 PM (#23836 - in reply to #23829) (#23836) Top




Posts: 75
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Location: USA
rakesh_rai - 2017-12-06 5:12 PM

ghirsch - 2017-12-07 8:03 AM

I don't understand the sentence "Each row and each column of subgrids form palindromes." For example in the middle column, the top subgrid only has CB, which is not a palindrome (though if you take the whole column it is a palindrome).

There is only one subgrid - the3x3 box. The other grid is the complete 6x7 grid. For both, the palindrome rule "Each row and each column forms palindromes" holds.


So how do we know whether the whole grid should count as a trivial subgrid or not? In the new example, the rows of the whole grid are not palindromes.
rakesh_rai
Subject: Re: Puzzle Marathon 2017 - 8th to 17th December 2017 @ 2017-12-07 9:07 PM (#23837 - in reply to #23836) (#23837) Top



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ghirsch - 2017-12-07 8:51 PM

rakesh_rai - 2017-12-06 5:12 PM

ghirsch - 2017-12-07 8:03 AM

I don't understand the sentence "Each row and each column of subgrids form palindromes." For example in the middle column, the top subgrid only has CB, which is not a palindrome (though if you take the whole column it is a palindrome).

There is only one subgrid - the3x3 box. The other grid is the complete 6x7 grid. For both, the palindrome rule "Each row and each column forms palindromes" holds.


So how do we know whether the whole grid should count as a trivial subgrid or not? In the new example, the rows of the whole grid are not palindromes.


Just ignore my previous reply. It was a wrong example. The rule holds only for subgrids - as mentioned in the rules.
auroux
Subject: Re: Puzzle Marathon 2017 - 8th to 17th December 2017 @ 2017-12-07 10:41 PM (#23838 - in reply to #23806) (#23838) Top


Hex Slitherlink Author

Posts: 88
20202020
Location: France
Thanks -- the example in the new IB makes more sense.

Question regarding results: is there a good reason why there is only a "potential results" page rather than the usual page showing everyone's scores to everyone who has finished? I understand instant grading is not always desirable, but since this doesn't seem to involve any optimizers like Riad's contests, having one's score available at the end of the 110 minutes shouldn't be problematic and would be nice to have...
chaotic_iak
Subject: Re: Puzzle Marathon 2017 - 8th to 17th December 2017 @ 2017-12-08 12:03 AM (#23839 - in reply to #23806) (#23839) Top



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Because the contest lasts for the whole week, not just 110 minutes.
auroux
Subject: Re: Puzzle Marathon 2017 - 8th to 17th December 2017 @ 2017-12-08 1:00 AM (#23840 - in reply to #23806) (#23840) Top


Hex Slitherlink Author

Posts: 88
20202020
Location: France
Ah, I see. I got confused by the mix of instructions, some of which suggested it would run as a 110-minute contest, or as the usual marathon, or all week. Now it's clear :) It's being run in Riad-contest-style, and the results are non-announced in Riad-contest-style. Makes sense.
Ashutosh3794
Subject: Re: Puzzle Marathon 2017 - 8th to 17th December 2017 @ 2017-12-08 11:41 AM (#23841 - in reply to #23806) (#23841) Top




Posts: 1

Location: india
How to attempt and submit these puzzles
rvarun
Subject: Re: Puzzle Marathon 2017 - 8th to 17th December 2017 @ 2017-12-08 12:41 PM (#23842 - in reply to #23841) (#23842) Top




Posts: 238
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Location: India
Ashutosh3794 - 2017-12-08 11:41 AM

How to attempt and submit these puzzles

You can check out the Contest page link below.

http://logicmastersindia.com/2017/12P/

Download the puzzle booklet which will be found in the top left of the page and start solving the puzzle. When you login in the above page, there will be text boxes for each puzzle to submit the answer key. You can submit the puzzles before the deadline date of December 17 in the text boxes provided.
Riti Agarwal
Subject: Re: Puzzle Marathon 2017 - 8th to 17th December 2017 @ 2017-12-14 7:22 PM (#23856 - in reply to #23806) (#23856) Top




Posts: 1

Location: India
How do i write the answers in the boxes.Pls explain.
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