Asian Sudoku Championship 2025
Sudoku Champs 2024
LMI Screen Test #4 — November Sudoku Test — 15th-18th November109 posts • Page 1 of 5 • 1 2 3 4 5
@ 2013-11-13 9:04 AM (#13408 - in reply to #13371) (#13408) Top

Yuhei Kusui



Posts: 42
2020
Country : Japan

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



Posts: 80
20202020
Country : Canada

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



Posts: 69
202020
Country : Germany

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




Posts: 241
1001002020
Country : Indonesia

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




Posts: 668
500100202020
Country : India

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



Posts: 1801
1000500100100100
Country : India

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



Posts: 1801
1000500100100100
Country : India

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
2020
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



20001000500202020
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



20001000500202020
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



20001000500202020
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




Posts: 668
500100202020
Country : India

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
20202020
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



Posts: 1801
1000500100100100
Country : India

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



Posts: 1801
1000500100100100
Country : India

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



Posts: 2

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


@ 2013-11-15 12:10 PM (#13444 - in reply to #13371) (#13444) Top

xevs



Posts: 43
2020
Country : Japan

xevs posted @ 2013-11-15 12:10 PM

 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? 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? Fairly Nice


@ 2013-11-15 4:23 PM (#13449 - in reply to #13371) (#13449) Top

uvo



Posts: 21
20
Country : Germany

uvo posted @ 2013-11-15 4:23 PM

I'm quite sure both my solutions for B2 (JOC Repeated Neighbours) and E5 (JOC Killer) are correct.

B2: Possible places for digits 3 are R1C4/6, R2C1/3, R6C1/3, R5C4/6. R6C1 implies R2C3, R1C6 and R5C4; R6C3 implies R5C4, R1C6 and R2C1. Not sure what the intended solution is, but both R1C6=3 and R5C4=3 should work.

E5: R1C3=6 would imply R6C4=6, which is impossible due to the 13 cage; therefore R1C4=6.
@ 2013-11-15 5:37 PM (#13450 - in reply to #13371) (#13450) Top

BohemianCoast



Posts: 16

Country : United Kingdom

BohemianCoast posted @ 2013-11-15 5:37 PM

 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? 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


I found some of the A puzzles hard, but some of the E puzzles easy (particularly Search 6 and Arrow) -- I'd run out of time by then though! I'm not clear what determined which section puzzles went into.

Time limit per puzzle was great; overall time limit seemed a bit tight given that there's bonus scoring for quick people anyway.
@ 2013-11-15 6:32 PM (#13452 - in reply to #13371) (#13452) Top

tnv




Posts: 22
20
Country : India

tnv posted @ 2013-11-15 6:32 PM

 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? Very 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? Very fair
 What is your opinion about the solving interface? Very nice


@ 2013-11-15 7:21 PM (#13453 - in reply to #13452) (#13453) Top

Gotroch



Posts: 83
20202020
Country : Czech Republic

Gotroch posted @ 2013-11-15 7:21 PM

I think the puzzle B2 (JOC - Repeated Neighbours) doesn't have any valid solution (one that can fullfill the given rules through whole grid)
@ 2013-11-15 7:35 PM (#13454 - in reply to #13371) (#13454) Top

caudmont



Posts: 18

Country : France

caudmont posted @ 2013-11-15 7:35 PM

I think that my answers for B2 and E5 are good :

B2 : in row 5, 3 is not in columns 1 and 3 because R5C2 is not shaded and 3 is not in column 6 because R5C4 is shaded. so 3 is in R5C4.
E5 : in row 1, 6 is not in columns 1,2,5,6 because of sums 7 and 8. If 6 is in column 3 so R6C4=4 and sum 13 is impossible. So R1C4 = 6.
LMI Screen Test #4 — November Sudoku Test — 15th-18th November109 posts • Page 1 of 5 • 1 2 3 4 5
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