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Killer Shootout — LMI August Sudoku Test #2 — 25th-28th August75 posts • Page 1 of 3 • 1 2 3
@ 2012-08-22 11:44 PM (#8275 - in reply to #8274) (#8275) Top

Richard



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Richard posted @ 2012-08-22 11:44 PM

Hmmm,
Seven example puzzles, adding up to 200 points. It's not clear how the points distribution over the contest puzzles will be. Unless the contest will only contain 7 puzzles... But that is very unlikely, looking to the 3 hours time for the test. Can organizers say anything about this? Or do we have to make choices on what puzzles to try and what not only after seeing the real PB?
@ 2012-08-22 11:58 PM (#8276 - in reply to #8275) (#8276) Top

prasanna16391



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prasanna16391 posted @ 2012-08-22 11:58 PM

Richard - 2012-08-22 11:44 PM

Hmmm,
Seven example puzzles, adding up to 200 points. It's not clear how the points distribution over the contest puzzles will be. Unless the contest will only contain 7 puzzles... But that is very unlikely, looking to the 3 hours time for the test. Can organizers say anything about this? Or do we have to make choices on what puzzles to try and what not only after seeing the real PB?


Confirmation will come when Deb/Author/Test-Solver is online, but yes it is mostly 7 difficult puzzles.
@ 2012-08-23 12:43 AM (#8277 - in reply to #8276) (#8277) Top

Richard



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Richard posted @ 2012-08-23 12:43 AM

prasanna16391 - 2012-08-22 11:58 PM

Confirmation will come when Deb/Author/Test-Solver is online, but yes it is mostly 7 difficult puzzles.


I guess you are right; 3 hours is 10.800 seconds and for 200 points it should mean 0,019 points per second, which relates to 0,03 points bonus per second. But: let's wait for confirmation...
@ 2012-08-23 1:45 AM (#8278 - in reply to #8245) (#8278) Top

Stefan_Heine



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Country : Germany

Stefan_Heine posted @ 2012-08-23 1:45 AM

Hi there,

I am proud and happy to present to you my first LMI Sudoku Test!

I will try to answer all of your questions step by step.

First notification:

Because the UK Puzzle Championship and the US Puzzle Championship is also scheduled to happen this weekend the "Killer Sudoku Shoot Out" is open for 96 hours, instead for 72 hours (including a Tuesday).


yours
Stefan Heine
@ 2012-08-23 1:54 AM (#8279 - in reply to #8269) (#8279) Top

Stefan_Heine



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Stefan_Heine posted @ 2012-08-23 1:54 AM

prasanna16391 - 2012-08-22 6:17 PM

Regarding the Navigation variant -
For 9 cells, Compass will have to be on the cell itself right? So we shall have to write the digit over it for that cell.

Also, for the Bird variant, which sum belongs to which group will have to be determined during the solve right? And I assume numbers can repeat in the bird groups, since one of the sums for 3 cells is 25 and another is 5.


Three times yes - all assumptions are correct!

Stefan
@ 2012-08-23 2:00 AM (#8280 - in reply to #8271) (#8280) Top

Stefan_Heine



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Stefan_Heine posted @ 2012-08-23 2:00 AM

Ours brun - 2012-08-22 7:11 PM

...how many puzzles of each type are we to expect ?

Only one puzzle of each type - it is seven sudokus for the whole test!

Stefan
@ 2012-08-23 2:08 AM (#8281 - in reply to #8275) (#8281) Top

Stefan_Heine



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Country : Germany

Stefan_Heine posted @ 2012-08-23 2:08 AM

Richard - 2012-08-22 7:44 PM

Hmmm,
Seven example puzzles, adding up to 200 points. It's not clear how the points distribution over the contest puzzles will be. ...



It should be clear because you see the points for every puzzle between the puzzle and the headline in light grey - even in the IB. Maybe this grey is too light.

14 - Little Regular Killer
22 - Irregular Navigation Killer
23 - Little Irregular Killer
56 - Little Diagonal Bild Killer
41 - Little Odd Even Diagonal Killer
20 - Non Consecutive Little Odd Fish Killer
24 - Dots Killer
----------------------------
200 Killer Points


Stefan
@ 2012-08-23 2:41 AM (#8282 - in reply to #8273) (#8282) Top

Stefan_Heine



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Stefan_Heine posted @ 2012-08-23 2:41 AM

tamz29 - 2012-08-22 7:24 PM

3 hours?!


Yes, it is three hours.

Primarily I planned to enable four hours of time because I wanted to give the chance to most of you to finish all puzzles. These sudokus are really not easy to solve and my experience from creating puzzles for dozens of contests is that the results spread the more the more difficult the puzzles are in average.

I believe only the very very best in the world (if participating) will be able to overleap 300 points by finishing within two hours.


Stefan
@ 2012-08-23 3:35 AM (#8283 - in reply to #8282) (#8283) Top

Fred76




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Fred76 posted @ 2012-08-23 3:35 AM

It looks like this tournament will contain harder sudokus than my test diagonal vision .

Having been stuck during more than 30 minutes in an official competition on a little killer (having found only 7 digits) created by Stefan Heine should perhaps scare me, but I look forward to this uncommon test.

Fred
@ 2012-08-23 10:25 AM (#8284 - in reply to #8245) (#8284) Top

akash.doulani



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akash.doulani posted @ 2012-08-23 10:25 AM

in Irregular Navigation Killer do the cells covered by a compass have different numbers or can they repeat?
@ 2012-08-23 12:16 PM (#8285 - in reply to #8284) (#8285) Top

Administrator



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Administrator posted @ 2012-08-23 12:16 PM

akash.doulani - 2012-08-23 10:25 AM

in Irregular Navigation Killer do the cells covered by a compass have different numbers or can they repeat?
They can repeat. (They repeat in the solution to example also)
@ 2012-08-23 3:16 PM (#8286 - in reply to #8285) (#8286) Top

Fred76




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Fred76 posted @ 2012-08-23 3:16 PM

Administrator - 2012-08-23 12:16 PM

akash.doulani - 2012-08-23 10:25 AM

in Irregular Navigation Killer do the cells covered by a compass have different numbers or can they repeat?
They can repeat. (They repeat in the solution to example also)


Otherwise, it would just be an extraregions sudoku (compass covers 9 cells)
@ 2012-08-23 3:18 PM (#8287 - in reply to #8286) (#8287) Top

Fred76




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Fred76 posted @ 2012-08-23 3:18 PM

On the Little Odd Even Diagonal Killer, are all the possible rectangles and circles marked?
@ 2012-08-23 8:05 PM (#8288 - in reply to #8287) (#8288) Top

Stefan_Heine



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Country : Germany

Stefan_Heine posted @ 2012-08-23 8:05 PM

Fred76 - 2012-08-23 11:18 AM

On the Little Odd Even Diagonal Killer, are all the possible rectangles and circles marked?


You never know ;-)

(And you dont need to know)
@ 2012-08-23 9:15 PM (#8289 - in reply to #8272) (#8289) Top

Administrator



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Administrator posted @ 2012-08-23 9:15 PM

prasanna16391 - 2012-08-22 11:23 PM

ssandy - 2012-08-22 10:50 PM

Is there online solving?


I'm not certain, but I think its unlikely. Classics vs Innovatives didn't have online solving, and this test has some innovative variants with actual birds and fishes on it so I doubt it will.
No online solving this time as well. Tried to make some changes to the flash code, but the compass is creating bigger problem than birds and fishes.
@ 2012-08-23 10:38 PM (#8296 - in reply to #8245) (#8296) Top

kishy72



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kishy72 posted @ 2012-08-23 10:38 PM

any particular reason for giving examples in 6*6 grid in IB even though the actuals would be in 9*9...would have been really helpful in the actual test if the examples were 9*9 too......:-p
@ 2012-08-23 10:42 PM (#8297 - in reply to #8296) (#8297) Top

prasanna16391



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prasanna16391 posted @ 2012-08-23 10:42 PM

kishy72 - 2012-08-23 10:38 PM

any particular reason for giving examples in 6*6 grid in IB even though the actuals would be in 9*9...would have been really helpful in the actual test if the examples were 9*9 too......:-p


Well, the point of the IB, as the name suggests, is only to instruct. As long as you understand the rules it's done its job. If you want to practice Killer Sudoku, we had a Killer Variations test earlier. http://logicmastersindia.com/lmitests/?test=M201204S (obviously, not with the same variants, but you'll get more familiar with Killer anyway)

Edited by prasanna16391 2012-08-23 10:42 PM
@ 2012-08-24 12:31 AM (#8303 - in reply to #8245) (#8303) Top

Ours brun




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Ours brun posted @ 2012-08-24 12:31 AM

And yes, there is a particular reason to this fact, which is quite obvious : preparing one set of 9x9 puzzles is already lots of work; preparing two, even if the examples are of a simpler conception, means of course that much more work.
@ 2012-08-24 12:53 AM (#8305 - in reply to #8303) (#8305) Top

Stefan_Heine



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Stefan_Heine posted @ 2012-08-24 12:53 AM

Ours brun - 2012-08-23 8:31 PM

And yes, there is a particular reason to this fact, which is quite obvious : preparing one set of 9x9 puzzles is already lots of work; preparing two, even if the examples are of a simpler conception, means of course that much more work.


Thank you!

Some of the contest puzzles took me more than one week of work. Another reason is that I want to give at least 100% to create the best I achieve from the variant setting. To produce an other 9x9 set for the IB would result puzzles that could not meet my claim.
@ 2012-08-24 3:27 PM (#8312 - in reply to #8305) (#8312) Top

Statistica



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Statistica posted @ 2012-08-24 3:27 PM

One remark: In the 'Non consecutive little odd fish killer' (what a name...) you write something abaout the "main diagonals", but it isn't true at all...

Greetings to Hamburg: Jörg
@ 2012-08-24 3:50 PM (#8313 - in reply to #8312) (#8313) Top

Stefan_Heine



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Stefan_Heine posted @ 2012-08-24 3:50 PM

Statistica - 2012-08-24 11:27 AM

One remark: In the 'Non consecutive little odd fish killer' (what a name...) you write something abaout the "main diagonals", but it isn't true at all...

Greetings to Hamburg: Jörg


It is true! :-) But in 6x6 it is not possible (I think) to create an non consecutive with not repeating numbers on the main diagonals. That is why I wrote "In the example, digits on both main diagonals may be repeated" as the last sentence in the IB.
@ 2012-08-24 6:45 PM (#8314 - in reply to #8313) (#8314) Top

Ours brun




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Ours brun posted @ 2012-08-24 6:45 PM

Stefan_Heine - 2012-08-24 11:50 AM

It is true! :-) But in 6x6 it is not possible (I think) to create an non consecutive with not repeating numbers on the main diagonals.

Definitely impossible indeed, since 6x6 nonconsecutive sudokus have to obey one of these two patterns :

hebergeur d'image
@ 2012-08-24 11:11 PM (#8316 - in reply to #8314) (#8316) Top

Administrator



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Administrator posted @ 2012-08-24 11:11 PM

Announcements


• Password protected pdf is uploaded. It has 8 pages, including a cover page. Each page has one sudoku.
For each sudoku, enter the digits in 5th row and 5th column. Arrows are not marked in the puzzle pdf.
• As announced earlier, there is no online solving in this test.
• Link to score page : http://logicmastersindia.com/M201208S2/score.asp


@ 2012-08-25 10:11 AM (#8322 - in reply to #8245) (#8322) Top

prasanna16391



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prasanna16391 posted @ 2012-08-25 10:11 AM

Superb grids. Its really difficult to set a time for difficult puzzles, because one puzzle may cost you quite a lot when you finish...

Edited by prasanna16391 2012-08-26 4:11 AM
@ 2012-08-26 12:28 PM (#8380 - in reply to #8245) (#8380) Top

Administrator



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Administrator posted @ 2012-08-26 12:28 PM

Restricted Thread

This is a restricted thread corresponding to an ongoing test at LMI. This mainly means :

Comments posted in the thread after the test started can only be viewed by players who have finished the test. If you are not logged in to forum or if you have not finished the test, you will see first few characters of the post.

The purpose is to encourage players to freely post comments while the test is running. All the posts will be made public after the test is over.

This is an experimental feature, and the behaviour may change during subsequent tests.



Killer Shootout — LMI August Sudoku Test #2 — 25th-28th August75 posts • Page 1 of 3 • 1 2 3
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