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Announcing "LMI Beginners' Sudoku Contests"363 posts • Page 6 of 15 • 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
@ 2012-10-10 11:40 AM (#8750 - in reply to #7911) (#8750) Top

kishy72



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kishy72 posted @ 2012-10-10 11:40 AM

what is the difference between a toroidal sudoku and an irregular sudoku? and in the example provided, some of the outlined regions have 2,3,4,5 etc (arbit number of cells)How do u fill then the digits 1 to 7 in each outlined region.....
PS : Glad that P.S and the glitz and glamour that was missing for 2 weeks is back in LMI. :-P
@ 2012-10-10 12:02 PM (#8751 - in reply to #8750) (#8751) Top

vopani



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vopani posted @ 2012-10-10 12:02 PM

The regions 'wrap' around the grid. For example: R1C1, R1C2, R2C1, R6C1, R6C2, R7C1, R7C2 is one region of seven cells.
Wherever there is no thick border at an edge, it means the region continues to the opposite end. Look at the 5 at R2C3 and the 4 at R7C4, they lie in the same region.

In Irregular Sudoku, there is no 'wrapping' in the regions.







(TS.png)



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@ 2012-10-10 3:43 PM (#8752 - in reply to #7911) (#8752) Top

prasanna16391



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prasanna16391 posted @ 2012-10-10 3:43 PM

Re : Beginners' Contests changes


Just a clarification about extended time, this time will run till Beginners' contest is over, i.e. 17th October in this case.


@ 2012-10-10 3:53 PM (#8753 - in reply to #7911) (#8753) Top

dp_94



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dp_94 posted @ 2012-10-10 3:53 PM

hi, can anyone tell me a site to practice some odd sudokus
@ 2012-10-10 4:41 PM (#8754 - in reply to #8753) (#8754) Top

Administrator



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Administrator posted @ 2012-10-10 4:41 PM

dp_94 - 2012-10-10 3:53 PM

hi, can anyone tell me a site to practice some odd sudokus


http://rohanrao.blogspot.in/search/label/Odd%20Sudoku

http://sudokucup.com/node/2127

http://www.worldpuzzle.org/sudoku/sudoku-w26/

http://www.sachsentext.de/en/node/608



(mock18.png)



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Attachments mock18.png (15KB - 1 downloads)
@ 2012-10-10 8:37 PM (#8755 - in reply to #8751) (#8755) Top

kishy72



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kishy72 posted @ 2012-10-10 8:37 PM

Rohan Rao - 2012-10-10 12:02 PM

The regions 'wrap' around the grid. For example: R1C1, R1C2, R2C1, R6C1, R6C2, R7C1, R7C2 is one region of seven cells.
Wherever there is no thick border at an edge, it means the region continues to the opposite end. Look at the 5 at R2C3 and the 4 at R7C4, they lie in the same region.

In Irregular Sudoku, there is no 'wrapping' in the regions.





mind block cleared.....Thnks Rohan...
@ 2012-10-11 5:57 PM (#8756 - in reply to #7911) (#8756) Top

prasanna16391



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prasanna16391 posted @ 2012-10-11 5:57 PM

No Penalty award



In case a participant has submitted without entering the required number of digits, or only entered one half of the key, that participant will be awarded no penalty for that submission. However, this change needs to be manual from our end so the change may not occur immediately.

@ 2012-10-12 1:33 PM (#8757 - in reply to #8756) (#8757) Top

rakesh_rai




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rakesh_rai posted @ 2012-10-12 1:33 PM

prasanna16391 - 2012-10-11 5:57 PM

No Penalty award




"penalty award" - is that an oxymoron !!
@ 2012-10-16 11:56 PM (#8760 - in reply to #7911) (#8760) Top

PuzzleScott



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PuzzleScott posted @ 2012-10-16 11:56 PM

Thanks for another good beginner's contest. The half credit for late submissions to encourage everyone to work all puzzles is an excellent idea.
@ 2012-10-18 6:23 AM (#8761 - in reply to #7911) (#8761) Top

Administrator



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Administrator posted @ 2012-10-18 6:23 AM

Beginners Contest for October is over.
Password removed from the pdfs.
@ 2012-10-18 10:53 AM (#8763 - in reply to #7911) (#8763) Top

prasanna16391



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prasanna16391 posted @ 2012-10-18 10:53 AM

Congrats to hjkl18(Czech Republic), momiji(China) and mtgs(UK) for topping Beginners' Contest October. Among Seasoners, F4han(Malaysia), jaku111(Czech Republic) and janoslaw(Poland) top the standings.

Out of 116 Beginners, 102 solved at least one sudoku correctly, and the corresponding numbers for Seasoners is 156/164. Its pleasing to see so many non-zero scores, as that was the main aim with the extended time idea. We have received some good feedback on this, including a comment above, but we welcome more feedback on this and any other aspect of this month's contest.

Thank you all for participating!
@ 2012-10-18 11:03 AM (#8765 - in reply to #7911) (#8765) Top

prasanna16391



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prasanna16391 posted @ 2012-10-18 11:03 AM

Something I'd like to add separately -

There has been some curiosity about the author of these contests. The author so far, barring the one noted here, has been Deb. But, we encourage other authors to contribute too. Obviously, by now, the difficulty expected in these contests is known. The technicalities are -
1. These authors won't be added/updated on the author's page, but they will be given credit on this topic.
2. If at all someone would like to author a Beginners' contest, contact me/Deb and we will let you know the variants for that particular month.

We're pleased to announce that Fred Stalder(Fred76) has already offered to author Beginners' Contest November.
@ 2012-10-18 11:24 AM (#8766 - in reply to #8763) (#8766) Top

Administrator



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Administrator posted @ 2012-10-18 11:24 AM

prasanna16391 - 2012-10-18 10:53 AM

Congrats to hjkl18(Czech Republic), momiji(China) and mtgs(UK) for topping Beginners' Contest October.
mtgs will be moved to Seasoners category after 2 scores of 75+.
@ 2012-10-18 5:20 PM (#8767 - in reply to #7911) (#8767) Top

kishy72



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kishy72 posted @ 2012-10-18 5:20 PM

what makes a person disqualified ?i see a person disqualified in the list...what might be the reason?pardon me if i m touching on sensitive topics..but i m curious ..apart from posting ridiculous times like 0:01 for solving all sudokus which happened in the previous month ,does solving all in under 15 or so min warrant a disqualification just because the person might be a beginner?
@ 2012-10-18 7:34 PM (#8768 - in reply to #8767) (#8768) Top

debmohanty




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debmohanty posted @ 2012-10-18 7:34 PM

It is always a difficult decision to disqualify anyone, beginner or seasoner. We discuss it multiple times internally before finalizing anything. I'm not going to share those most-difficult-part-of-administering-online-puzzle-tests here. But "solving under 15 minutes" is not a criteria to disqualify anyone.

Since you are curious, I'll send you an PM regarding why we had a disqualified player this time.
@ 2012-10-19 5:02 PM (#8769 - in reply to #8765) (#8769) Top

Fred76




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Fred76 posted @ 2012-10-19 5:02 PM

prasanna16391 - 2012-10-18 11:03 AM

We're pleased to announce that Fred Stalder(Fred76) has already offered to author Beginners' Contest November.


If you're friendly with me, there is a chance that sudokus will be easier than those in the "Diagonal Vision" test.





Haha, I'm joking, of course ! I'm glad to have the honor of creating the grids for the next beginners contest !

Fred
@ 2012-10-31 10:05 AM (#8869 - in reply to #7911) (#8869) Top

Administrator



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Administrator posted @ 2012-10-31 10:05 AM

November Beginners' Sudoku Contest

Types

Here are the types for the November Edition of LMI Beginners' Contest - http://logicmastersindia.com/BeginnersSudoku/types/?test=B201211

We are continuing with 2 variants from last time (Toroidal and Consecutive)
We are introducing 2 new variants (Outside and No Knight Step)

Dates

The contest will start on the 8th of November and run till the 14th, including both dates.

Author

All 8 Sudokus for November are written by Fred Stalder. As you all know, Fred regularly posts sudokus and sudoku related information in his blog Variantes de Sudoku and also administers the highly popular French sudoku forum SUDOKU VARIANTE.

@ 2012-10-31 10:51 AM (#8871 - in reply to #7911) (#8871) Top

Administrator



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Administrator posted @ 2012-10-31 10:51 AM

There is a small change in image format for the Consecutive Sudoku that appeared last month. Instead of dots, bars will be present between consecutive digits.
@ 2012-11-04 3:11 PM (#8917 - in reply to #7911) (#8917) Top

ashwinparadkar



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Country : India

ashwinparadkar posted @ 2012-11-04 3:11 PM

I just registered on the LMI site. Could you please tell me where do I get puzzles to practice for this month's beginner's challenge.



Also, could you please share any link on the format how this tournament will be conducted.



I am sure this must be there on the site but being a newbie I am not sure where it is.
@ 2012-11-04 4:26 PM (#8919 - in reply to #8917) (#8919) Top

prasanna16391



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prasanna16391 posted @ 2012-11-04 4:26 PM

ashwinparadkar - 2012-11-04 3:11 PM

I just registered on the LMI site. Could you please tell me where do I get puzzles to practice for this month's beginner's challenge.



Also, could you please share any link on the format how this tournament will be conducted.



I am sure this must be there on the site but being a newbie I am not sure where it is.


For practice you can view the previous Beginners' Contests here - http://logicmastersindia.com/BeginnersSudoku/?test=B201210 . The new types, Outside and No Knight Step(or Anti Knight), can be found, along with other variants if you look through the Monthly Tests, or go to the blogs/sites provided on the links page - http://logicmastersindia.com/home/?g=links . Out of the sites Fed Sudoku, Sudoku Cup and Argio Logic have online solving.

As for format, once the contest page link is shared, there will be a section there giving details of how to use the interface/make submissions. The basic summary is -

You have 40 minutes of "official time", during which you can either download and print a PDF, solve on paper and submit the rows or columns that the arrows show, or you can solve online itself. With each submission the Instant Grading will let you know if you're right or wrong. If wrong, you can re submit but you'll get a penalty of 1 minute added to your time taken for each wrong submission. You may submit after the 40 minutes are done till the contest dates are over, but you will get just 50 % of the points then.
@ 2012-11-05 10:42 AM (#8920 - in reply to #7911) (#8920) Top

ashwinparadkar



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ashwinparadkar posted @ 2012-11-05 10:42 AM

Thanks a lot Prasanna. That was exactly what I was looking for :)
@ 2012-11-08 8:19 AM (#8938 - in reply to #7911) (#8938) Top

Administrator



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Administrator posted @ 2012-11-08 8:19 AM

Score page link is now activated - http://logicmastersindia.com/BeginnersSudoku/score.asp
@ 2012-11-09 8:39 AM (#8940 - in reply to #7911) (#8940) Top

Administrator



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Administrator posted @ 2012-11-09 8:39 AM

It looks like some players, especially the ones solving on paper, are submitting all Sudokus at the end. Please remember that the points are halved after 40 minutes. So if you have solved some sudokus before 40 minutes, it is important to submit them before the 'penalty period' starts.
@ 2012-11-11 10:42 AM (#8942 - in reply to #7911) (#8942) Top

suryadevi



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suryadevi posted @ 2012-11-11 10:42 AM

what is the password for opening the document

@ 2012-11-11 10:44 AM (#8943 - in reply to #8942) (#8943) Top

Richard



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Richard posted @ 2012-11-11 10:44 AM

It is written in red right below the buttons 'start classics' and 'start variants' after you have hit such a button.
Announcing "LMI Beginners' Sudoku Contests"363 posts • Page 6 of 15 • 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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