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LMI Screen Test #4 — November Sudoku Test — 15th-18th November109 posts • Page 1 of 5 • 1 2 3 4 5
@ 2013-11-13 12:26 AM (#13400 - in reply to #13399) (#13400) Top

prasanna16391



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prasanna16391 posted @ 2013-11-13 12:26 AM

Fred76 - 2013-11-12 11:39 PM

connect4 - 2013-11-12 11:05 PM

Just to check further, B9 appears to be an invalid puzzle in the instruction book (several cases of repeated digits in boxes, unless I missed something on that one).


The shape of regions should be 3X2 instead of 2X3.


Yup this is exactly whats happened. Sorry about the goof up. It will be fixed soon.
@ 2013-11-13 12:31 AM (#13401 - in reply to #13371) (#13401) Top

kishy72



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kishy72 posted @ 2013-11-13 12:31 AM

no option to pencilmark ?!.....again?
@ 2013-11-13 12:57 AM (#13403 - in reply to #13401) (#13403) Top

prasanna16391



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prasanna16391 posted @ 2013-11-13 12:57 AM

kishy72 - 2013-11-13 12:31 AM

no option to pencilmark ?!.....again?


Check the Instruction booklet. There's a reasoning there. Screen Tests are designed to test visual skills. We've made an effort to make the difficulty easier this year, but I think its important to keep this a visual skill based test.
@ 2013-11-13 12:59 AM (#13404 - in reply to #13371) (#13404) Top

margareta456



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margareta456 posted @ 2013-11-13 12:59 AM

I'm sorry, but can somebody explain me what does it mean 'converse rule applies'? I'm new there and not from englishspeaking country and I see such rule for the first. Thanks.
@ 2013-11-13 1:02 AM (#13405 - in reply to #13404) (#13405) Top

prasanna16391



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prasanna16391 posted @ 2013-11-13 1:02 AM

margareta456 - 2013-11-13 12:59 AM

I'm sorry, but can somebody explain me what does it mean 'converse rule applies'? I'm new there and not from englishspeaking country and I see such rule for the first. Thanks.


It basically means that, for the rule that says "if X is there, then Y should happen", you should also take into consideration "if X is not there, Y shouldn't happen". Take XV for example, if there is an X between 2 cells, then the sum of those cells must be 10. Because converse rule applies, if there isn't an X between 2 cells then the sum cannot be 10.
@ 2013-11-13 1:13 AM (#13406 - in reply to #13371) (#13406) Top

margareta456



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margareta456 posted @ 2013-11-13 1:13 AM

thank you, I understand it thanks to your example :)
@ 2013-11-13 9:04 AM (#13408 - in reply to #13371) (#13408) Top

Yuhei Kusui



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Yuhei Kusui posted @ 2013-11-13 9:04 AM

A question about scoring:
- Each sudoku is worth points varying from 25 to 200.
- The exact point will be computed after the test is completed as “average of 30 best times (in seconds) for that sudoku”, subject to the minimum and maximum values.
I’d like to know how the exact point will be adjusted from 25 to 200 if an average time is less than 25 seconds or over 200 seconds.
@ 2013-11-13 10:36 AM (#13409 - in reply to #13408) (#13409) Top

achan1058



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achan1058 posted @ 2013-11-13 10:36 AM

I know this is a lot to ask, but is it possible to make the applet less sluggish in the future? Moving and typing feels very slow compared to Nikoli. Also, can you implement backspace as delete as well?
@ 2013-11-13 3:20 PM (#13410 - in reply to #13371) (#13410) Top

Realshaggy



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Realshaggy posted @ 2013-11-13 3:20 PM

Does the 15 second waiting time before each puzzle (which you can skip according to the booklet) count for the total time?
@ 2013-11-13 8:12 PM (#13411 - in reply to #13371) (#13411) Top

chaotic_iak




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chaotic_iak posted @ 2013-11-13 8:12 PM

For B2, does it mean that at least two of the squares adjacent to a shaded square contain the same number? It's not quite clear from the description; can anyone post a fully solved Repeated Neighbors Sudoku puzzle (obviously not the one in the IB)?
@ 2013-11-13 9:30 PM (#13412 - in reply to #13410) (#13412) Top

swaroop2011




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swaroop2011 posted @ 2013-11-13 9:30 PM

Realshaggy - 2013-11-13 3:20 PM

Does the 15 second waiting time before each puzzle (which you can skip according to the booklet) count for the total time?


It does not count in your total time.
@ 2013-11-13 9:34 PM (#13413 - in reply to #13408) (#13413) Top

prasanna16391



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prasanna16391 posted @ 2013-11-13 9:34 PM

Yuhei Kusui - 2013-11-13 9:04 AM

A question about scoring:
- Each sudoku is worth points varying from 25 to 200.
- The exact point will be computed after the test is completed as “average of 30 best times (in seconds) for that sudoku”, subject to the minimum and maximum values.
I’d like to know how the exact point will be adjusted from 25 to 200 if an average time is less than 25 seconds or over 200 seconds.


Hey Yuhei,

25 and 200 are the minimum and maximum values. i.e. no Sudoku will be less than 25 or more than 200 points.
@ 2013-11-13 11:07 PM (#13415 - in reply to #13411) (#13415) Top

prasanna16391



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prasanna16391 posted @ 2013-11-13 11:07 PM

chaotic_iak - 2013-11-13 8:12 PM

For B2, does it mean that at least two of the squares adjacent to a shaded square contain the same number? It's not quite clear from the description; can anyone post a fully solved Repeated Neighbors Sudoku puzzle (obviously not the one in the IB)?


Yup thats what it means. But note the converse rule too. More than just solution, there's a way to look at an entire solve by going to the Sudokucup Guest League page and seeing others solve my Repeated Neighbours on 24th July
@ 2013-11-14 10:01 AM (#13418 - in reply to #13413) (#13418) Top

Yuhei Kusui



Posts: 42
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Country : Japan

Yuhei Kusui posted @ 2013-11-14 10:01 AM

prasanna16391 - 2013-11-13 9:34 PM

Yuhei Kusui - 2013-11-13 9:04 AM

A question about scoring:
- Each sudoku is worth points varying from 25 to 200.
- The exact point will be computed after the test is completed as “average of 30 best times (in seconds) for that sudoku”, subject to the minimum and maximum values.
I’d like to know how the exact point will be adjusted from 25 to 200 if an average time is less than 25 seconds or over 200 seconds.


Hey Yuhei,

25 and 200 are the minimum and maximum values. i.e. no Sudoku will be less than 25 or more than 200 points.


Ok, Thanks!
@ 2013-11-15 6:27 AM (#13433 - in reply to #13409) (#13433) Top

Administrator



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Country : India

Administrator posted @ 2013-11-15 6:27 AM

achan1058 - 2013-11-13 10:36 AM

I know this is a lot to ask, but is it possible to make the applet less sluggish in the future? Moving and typing feels very slow compared to Nikoli. Also, can you implement backspace as delete as well?
Thanks for bringing it up. For future contests, we will have a close look at the user-interaction part to see what can be improved. I hope it is equally bad (or good) for everyone.
@ 2013-11-15 6:29 AM (#13434 - in reply to #13371) (#13434) Top

Administrator



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Country : India

Administrator posted @ 2013-11-15 6:29 AM


Link to score page - http://logicmastersindia.com/ST/ST4/score.asp

Score page can be viewed after 60 minutes of `solving` time.
Please note that, like earlier Screen Tests, score page can be viewed only if you are logged on to this forum. (If you can't read the post below, you can't view the score page.)

@ 2013-11-15 6:30 AM (#13435 - in reply to #13371) (#13435) Top

Administrator



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Country : India

Administrator posted @ 2013-11-15 6:30 AM

score page
If you can't read this message, you can't view the score page as well. Converse rule applies :)
@ 2013-11-15 8:41 AM (#13436 - in reply to #13371) (#13436) Top

swaroop2011




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swaroop2011 posted @ 2013-11-15 8:41 AM

 How balanced do you think the puzzle types of this test were? Perfectly balanced
 What was your opinion of the distribution of easy/hard puzzles? A bit easy
 What did you think about the puzzle quality of the test? Very nice
 How did you feel about the length / time limit for this test? Just right
 What is your opinion about rules, points and scoring for this test? Fair
 What is your opinion about the solving interface? Fairly Nice


@ 2013-11-15 8:54 AM (#13437 - in reply to #13371) (#13437) Top

achan1058



Posts: 80
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Country : Canada

achan1058 posted @ 2013-11-15 8:54 AM

 How balanced do you think the puzzle types of this test were? Perfectly balanced
 What was your opinion of the distribution of easy/hard puzzles? Just right
 What did you think about the puzzle quality of the test? Very nice
 How did you feel about the length / time limit for this test? Just right
 What is your opinion about rules, points and scoring for this test? Very fair
 What is your opinion about the solving interface? Average


I hate transposition errors!!

Edited by achan1058 2013-11-15 9:08 AM
@ 2013-11-15 9:36 AM (#13438 - in reply to #13371) (#13438) Top

An LMI player



An LMI player posted @ 2013-11-15 9:36 AM

 How balanced do you think the puzzle types of this test were? Perfectly balanced
 What was your opinion of the distribution of easy/hard puzzles? Just right
 What did you think about the puzzle quality of the test? Very nice
 How did you feel about the length / time limit for this test? Just right
 What is your opinion about rules, points and scoring for this test? Fair
 What is your opinion about the solving interface? Fairly Nice


@ 2013-11-15 10:35 AM (#13439 - in reply to #13371) (#13439) Top

xevs



Posts: 43
2020
Country : Japan

xevs posted @ 2013-11-15 10:35 AM

I want to have been informed that "there are Only-one-cell problem" beforehand.
I was really confused with some of the problem by the lack of the information.
@ 2013-11-15 10:41 AM (#13440 - in reply to #13439) (#13440) Top

prasanna16391



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prasanna16391 posted @ 2013-11-15 10:41 AM

xevs - 2013-11-15 10:35 AM

I want to have been informed that "there are Only-one-cell problem" beforehand.
I was really confused with some of the problem by the lack of the information.


It has been mentioned in the Screen Test Guide. I'm sincerely sorry about your experience, but it was definitely informed.

@ 2013-11-15 10:46 AM (#13441 - in reply to #13371) (#13441) Top

prasanna16391



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prasanna16391 posted @ 2013-11-15 10:46 AM

Regarding JOCs -

We have spotted that there are 2 possible digits for some of these. Answers will be (and have been) accepted if they have a valid reasoning behind them that myself and the testing has missed. So if you get a JOC marked wrong but used a logical solving path, please let us know.

This post will remain restricted so only those who finish the test can read this and make the claim, if necessary. Sincere apologies for the double solution. Probably a good idea not to hold variant JOCs in the future.
@ 2013-11-15 11:06 AM (#13442 - in reply to #13440) (#13442) Top

xevs



Posts: 43
2020
Country : Japan

xevs posted @ 2013-11-15 11:06 AM

prasanna16391 - 2013-11-15 1:41 PM

xevs - 2013-11-15 10:35 AM

I want to have been informed that "there are Only-one-cell problem" beforehand.
I was really confused with some of the problem by the lack of the information.


It has been mentioned in the Screen Test Guide. I'm sincerely sorry about your experience, but it was definitely informed.



Oh, you're absolutely right, just I missed some sentences, my apologize.
I was wondering what the word JOC is during the test... shameful (ToT)
@ 2013-11-15 11:57 AM (#13443 - in reply to #13371) (#13443) Top

digant



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Country : India

digant posted @ 2013-11-15 11:57 AM

 How balanced do you think the puzzle types of this test were? Fairly balanced
 What was your opinion of the distribution of easy/hard puzzles? A bit hard
 What did you think about the puzzle quality of the test? Fairly Nice
 How did you feel about the length / time limit for this test? A bit too many puzzles
 What is your opinion about rules, points and scoring for this test? Fair
 What is your opinion about the solving interface? Fairly Nice


LMI Screen Test #4 — November Sudoku Test — 15th-18th November109 posts • Page 1 of 5 • 1 2 3 4 5
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