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Poll Diagonal Vision — LMI March Sudoku Test — 10th-12th March
   LMI Tests -> Monthly Sudoku and Puzzle Tests60 posts • Page 1 of 3 • 1 2 3
Should the diagonals be marked in the "Anti-Diagonal Sudoku"?
Will it be better if the diagonals be marked in the "Anti-Diagonal Sudoku"?
OptionResults
Yes, it will be much better8 Votes - [22.86%]
No / does not matter27 Votes - [77.14%]
View Results

Fred76
Subject: RE: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-03 2:52 PM (#6843 - in reply to #6840) (#6843) Top



Diagonal Vision Author

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zachpuzzle - 2012-03-03 7:35 AM

This will be the first sudoku test that i participate instead of doing afterward so i am so excited


Great !
prasanna16391
Subject: RE: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-05 12:08 AM (#6844 - in reply to #6774) (#6844) Top


2021 World Sudoku+Puzzle Convention Organizer

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Should've kept "no" and "does not matter" as two separate options in the poll, now the people who wanted it might get out voted by people to whom it didn't matter. Of course this is in hindsight, it just struck me.
Administrator
Subject: Re: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-06 9:11 AM (#6848 - in reply to #6774) (#6848) Top


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Examples Online

All examples are available online now. Please check the submission page, and report any inconvenience.


David McNeill
Subject: Re: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-07 1:59 PM (#6853 - in reply to #6774) (#6853) Top


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Hope to participate in this test. Is it possible to mark the arrows in a paler colour in Arrows Battle Sudoku?

Thank you,

David McNeill.
Fred76
Subject: Re: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-07 2:55 PM (#6854 - in reply to #6853) (#6854) Top



Diagonal Vision Author

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David McNeill - 2012-03-07 1:59 PM

Hope to participate in this test. Is it possible to mark the arrows in a paler colour in Arrows Battle Sudoku?

Thank you,

David McNeill.


Done for the test grid !

Fred
Fred76
Subject: Re: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-09 3:05 AM (#6856 - in reply to #6854) (#6856) Top



Diagonal Vision Author

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As there is a big majority in the poll who said that it were not better to have marked diagonal in the anti-diagonal sudoku (or it does not matter) , I'll not add them.
Sorry for the 7 people who voted for marked diagonals in the anti-diagonal sudoku, I hope you'll have fun solving this grid despite that.

Fred
Para
Subject: Re: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-09 4:03 AM (#6857 - in reply to #6856) (#6857) Top




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Fred76 - 2012-03-09 3:05 AM

As there is a big majority in the poll who said that it were not better to have marked diagonal in the anti-diagonal sudoku (or it does not matter) , I'll not add them.
Sorry for the 7 people who voted for marked diagonals in the anti-diagonal sudoku, I hope you'll have fun solving this grid despite that.

Fred


I just find it handier to know any marked diagonal means different digits.
Administrator
Subject: Re: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-09 10:44 AM (#6860 - in reply to #6857) (#6860) Top


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Sudoku instructions in Chinese in sudokufans.org.cn forum
swaroop2011
Subject: RE: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-09 1:25 PM (#6861 - in reply to #6774) (#6861) Top



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Please help me out to solve this "QUEEN SUDOKU" further...
I am thereby attaching a photo of how much i was able to solve(logically).
I dont want to solve it by guess as this is the practice puzzle..




(queen_sudoku.png)



Attachments
----------------
Attachments queen_sudoku.png (18KB - 3 downloads)
prasanna16391
Subject: RE: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-09 2:34 PM (#6862 - in reply to #6861) (#6862) Top


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swaroop2011 - 2012-03-09 1:25 PM

Please help me out to solve this "QUEEN SUDOKU" further...
I am thereby attaching a photo of how much i was able to solve(logically).
I dont want to solve it by guess as this is the practice puzzle..


I got through this one by a complex work through of where the 9s can and can't be, first of all I'd suggest you put the 8 in R1C1, as the 5-7 pair take up the below row and the 9 in the middle omits a 9 in either of the main diagonals. After that, either just look at the 9s and think hard about the possibilities with the queen rule, or find another way and tell me as well
Fred76
Subject: RE: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-09 5:21 PM (#6863 - in reply to #6862) (#6863) Top



Diagonal Vision Author

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prasanna16391 - 2012-03-09 2:34 PM

swaroop2011 - 2012-03-09 1:25 PM

Please help me out to solve this "QUEEN SUDOKU" further...
I am thereby attaching a photo of how much i was able to solve(logically).
I dont want to solve it by guess as this is the practice puzzle..


I got through this one by a complex work through of where the 9s can and can't be, first of all I'd suggest you put the 8 in R1C1, as the 5-7 pair take up the below row and the 9 in the middle omits a 9 in either of the main diagonals. After that, either just look at the 9s and think hard about the possibilities with the queen rule, or find another way and tell me as well


This grid is perhaps a bit hard for the instructions booklet. Prasanna is right, you must study the 9's and try to find a contradiction. I think it's the only possibility to crack this grid.
For example, if you try to put a 9 in R6C1, then you have a 9 in R9C3 (only option is that box), then it has to be in R8C9 (only option in this row), then in R4C7 and then you cannot place a 9 in column 8.

So you know that R6C1 is not a 9, and then it becomes easier to finish the grid.



(queen_swaroop.png)



Attachments
----------------
Attachments queen_swaroop.png (19KB - 4 downloads)
Fred76
Subject: RE: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-09 6:16 PM (#6864 - in reply to #6863) (#6864) Top



Diagonal Vision Author

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I've just published a grid which will help you to immerse in a diagonal world smoothly, with just a classic sudoku :

http://sudokuvariante.blogspot.com/2012/03/sudoku-classique-n1.html

Fred
swaroop2011
Subject: RE: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-09 11:06 PM (#6865 - in reply to #6774) (#6865) Top



PR 2020 (Shading and Loops) Author

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Hey to Prassana and Fred,
for helping it out..
Will try now and see.
It is the tough one in comparison to all other grids.
:)
Administrator
Subject: Re: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-09 11:52 PM (#6866 - in reply to #6774) (#6866) Top


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Announcements


1. Password protected pdf is uploaded. It has 12 pages. There is no cover page.
2. If you are solving online, no need to submit again using paper mode.
3. Paper only link - http://logicmastersindia.com/M201203S/?paper=1


neerajmehrotra
Subject: Re: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-10 6:00 PM (#6867 - in reply to #6774) (#6867) Top




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grt grids....thanks Fred and Team LMI!!!
rajeshk
Subject: Re: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-11 9:27 PM (#6874 - in reply to #6774) (#6874) Top



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Thanks Fred for creating this great test and thanks to LMI team for hosting it flawlessly.

prasanna16391
Subject: RE: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-11 10:10 PM (#6875 - in reply to #6774) (#6875) Top


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This is easily the longest I've stayed in the top 10 of an LMI test. That might be more to do with them being extended to Monday though
Fred76
Subject: RE: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-12 1:09 AM (#6876 - in reply to #6875) (#6876) Top



Diagonal Vision Author

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prasanna16391 - 2012-03-11 10:10 PM

This is easily the longest I've stayed in the top 10 of an LMI test. That might be more to do with them being extended to Monday though


No doubt: you become a sudoku specialist !
prasanna16391
Subject: RE: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-12 3:23 AM (#6877 - in reply to #6876) (#6877) Top


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Fred76 - 2012-03-12 1:09 AM

prasanna16391 - 2012-03-11 10:10 PM

This is easily the longest I've stayed in the top 10 of an LMI test. That might be more to do with them being extended to Monday though


No doubt: you become a sudoku specialist !


Funnily enough my most significant steps in improving in Sudoku tests have come after I've started concentrating on puzzles. I'll just keep doing what I've been doing.
rajeshk
Subject: RE: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-12 12:24 PM (#6878 - in reply to #6877) (#6878) Top



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Funnily enough my most significant steps in improving in Sudoku tests have come after I've started concentrating on puzzles. I'll just keep doing what I've been doing.


Nice to see you improving both in puzzles and Sudoku.

motris
Subject: Re: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-12 11:46 PM (#6879 - in reply to #6774) (#6879) Top




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Not the right test to solve from back to front.... Oh well. Some impressively difficult puzzles here, thanks.
Fred76
Subject: Re: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-13 12:10 AM (#6880 - in reply to #6879) (#6880) Top



Diagonal Vision Author

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motris - 2012-03-12 11:46 PM

Not the right test to solve from back to front.... Oh well. Some impressively difficult puzzles here, thanks.


Thanks for participating.
I'll comment about the difficulty when the test will be finished. I hope you had fun nevertheless.

Fred
Fred76
Subject: Re: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-13 6:23 AM (#6881 - in reply to #6867) (#6881) Top



Diagonal Vision Author

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neerajmehrotra - 2012-03-10 6:00 PM

grt grids....thanks Fred and Team LMI!!!


rajeshk - 2012-03-11 9:27 PM

Thanks Fred for creating this great test and thanks to LMI team for hosting it flawlessly.



Thanks !
And thanks to all players for having sweated on my grids !

More comments tomorrow, I need to sleep now

Fred
Administrator
Subject: Re: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-13 6:34 AM (#6882 - in reply to #6774) (#6882) Top


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Diagonal Vision is now over. Link to score page - http://logicmastersindia.com/M201203S/score.asp

Congratulations to flooser, janoslaw and TiiT for taking the top spots.

196 players participated and 154 of them submitted at least one grid correctly. The grids were tough, but it is bit surprising to see no submissions from many regular players (Rohan / Rakesh / Stefano )

Thank you everyone for participating.
And Thanks Fred for all your efforts. Will wait to hear more from you.
motris
Subject: Re: Diagonal Vision — LMI March Sudoku Test — 10th-12th March @ 2012-03-13 7:24 AM (#6883 - in reply to #6880) (#6883) Top




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Fred76 - 2012-03-12 11:10 AM

motris - 2012-03-12 11:46 PM

Not the right test to solve from back to front.... Oh well. Some impressively difficult puzzles here, thanks.


Thanks for participating.
I'll comment about the difficulty when the test will be finished. I hope you had fun nevertheless.

Fred


I did enjoy several of the individual puzzles, which showcased some pretty creative execution of some of these variations. The Pointing Evens was probably my favorite, with a 1,2,3,4 theme where each of the numbers actually mattered, not just the small ones. Many other themes were nice too even if the puzzles were less friendly.

I guess my competition complaint is that I particularly would not advertise "top players will be able to solve all sudokus earlier than 120 minutes" unless this really was a 90 minute test for people like Jan and Tiit and Kota or the winner Florian. My expectations were for some easier grids and even the first Argyle is hardly a 4-5 minute puzzle at least for me. It's possible that I'm not as good at sudoku as I think I am, or it's possible these puzzles are insanely hard. Probably some amount of both is true. But I was left with the same feeling as after Crazy Arrows of "wow, that test is insane." I loved the puzzles, but I don't know if they all belong in a competition. Maybe my views of 10 minutes is as hard as a competition sudoku should be and X- or Y-wings are as hard as a competition sudoku should get are wrong. This test certainly pushed them to the limit.

Edited by motris 2012-03-13 7:46 AM
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