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An LMI Player with Sudoku ratings 500- | | 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? | Way too many puzzles (too little time) | | | What is your opinion about rules, points and scoring for this test? | Fair | | | What is your opinion about the solving interface? | Very nice | |
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Location: India | Zormac - 2012-12-24 3:12 AM
Not sure how much of this has been said before, couple of comments on the UI.
- During solving the puzzle, ...........
Zoltan Hi Zoltan, Thanks for the detailed input.
Issue about force submit not being clear enough in Mac - It was a miss from my part.
Not having pencil marks - Regular Sudoku tests have pencil marks feature. It was disabled purposefully for this test. I realize it is a debatable decision, and has been noted by other players too.
Players not being notified after 60 minutes - probably the biggest flaw here. |
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An LMI Player with Sudoku ratings 500- | | 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? | Very nice | |
Great format - the variety of tests swas very challenging. Increasing the difficulty as you went was a lot of fun too. I would enjoy seeing this format again. |
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Posts: 152
Location: United Kingdom | | How balanced do you think the puzzle types of this test were? | A bit skewed | | | 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? | Average | |
Having a no pencilmark interface is fair for a screentest - after all you are challenging people to solve in their heads - but this is inconsistent with a very powerful undo system which encourages systematic guessing for the harder puzzles.
Given how hard some of the puzzles were, I'd have liked to have seen pencilmarks.
My only other gripe is that puzzles were either quite easy or quite hard, with not too much in between. Other than that, slick as usual. |
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Location: India | An LMI player - 2012-12-24 6:55 PM
Great format - the variety of tests swas very challenging. Increasing the difficulty as you went was a lot of fun too. I would enjoy seeing this format again. Thank you so much.
detuned - 2012-12-24 8:19 PM
Having a no pencilmark interface ... Thanks Tom for very valuable inputs. Certainly will be useful if/when we consider this format again. I'm tempted towards having no pencil mark, no Undo, but also puzzles that don't require any of them. I thought most puzzles in this test fall into that category, but looking at overall feedback, that does not seem to be the case. |
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An LMI Player with Sudoku ratings 500- | | 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? | Fair | | | What is your opinion about the solving interface? | Fairly Nice | |
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Posts: 45
Location: India | | 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? | Very fair | | | What is your opinion about the solving interface? | Average | |
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Posts: 31
Location: United States | | How balanced do you think the puzzle types of this test were? | A bit skewed | | | 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? | Way too many puzzles (too little time) | | | What is your opinion about rules, points and scoring for this test? | Very fair | | | What is your opinion about the solving interface? | Very nice | |
Nice test! There were a few too many hard puzzles among the first 10, I'd say, where I expected them to be relatively easy. There were also a few really beautiful puzzles where you could solve easily if you think about them the right way (which I often only noticed after guessing turned out to give a contradiction, then I'd see what I should have noticed in the first place) -- those were really nice.
I also learned a lot about some types of puzzles where I usually solve on-screen by making tons of notes!
I think the trickiest part is when there's unusual rules and the inverse rule is also in effect; it makes pretty puzzles, but hard to solve on-screen with time pressure.
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Posts: 152
Location: United Kingdom | No problem - and despite the seemingly indifferent colours provided by my feedback, I quite enjoyed the test. Having a quick scan of the results, there seem to be a strikingly large proportion of wrong entries. My best guess would be a large portion of these occurred as a result of guessing. Then again, this will always be a problem with difficult puzzles in smaller grids.
I'd be very interested to see a variation of this format, again with specific time limits per puzzle, but where the solver can choose the order in which puzzles are solved... |
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Location: India | detuned - 2012-12-25 12:06 AM
I'd be very interested to see a variation of this format, again with specific time limits per puzzle, but where the solver can choose the order in which puzzles are solved... When I explained Branko (my perennial test solver) about this format, that is the first question he asked. "Will solvers be able to choose the order in which they want to solve?" So certainly something to keep in mind for the next one. |
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Location: India | detuned - 2012-12-25 12:06 AM
No problem - and despite the seemingly indifferent colours provided by my feedback, I quite enjoyed the test. Having a quick scan of the results, there seem to be a strikingly large proportion of wrong entries. My best guess would be a large portion of these occurred as a result of guessing. Then again, this will always be a problem with difficult puzzles in smaller grids.
We can now view each others' exact submissions here |
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1784
Location: India | So this finishes with me being the only one in the top 10 to not have a single best time on an individual grid. Never thought consistency would be my positive in a test :P |
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Location: India | Sudoku Screen Test is over. This was a different test from regular monthly tests, with every sudoku having time limit and solving in sequence. It was our first attempt, so certainly many points to consider in the next one, if we ever have that. Many thanks to all of you who shared their feedback.
Nevertheless, I sincerely hope everyone had fun to some extent.
Congratulations to uvo, janoslaw and misko for taking the top 3 positions. TiiT and jaku111 are really close to the top 3.
Prasanna has a top 10 rank for the second time now, and it is very significant achievement. Congratulations to Prasanna, Rishi and Rakesh for the top Indian positions.
Edited by debmohanty 2012-12-25 7:35 AM
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Posts: 10
Location: United States | I was disappointed just now to find that I was too late to try these puzzles. Most of the LMI competitions I've entered have had clearly displayed starting and ending times on the main page, whereas this one just vaguely stated that it would be open over the '96 hour period from Dec 21-24'. As solvers at this site clearly consist of a worldwide community, over many different time zones, it's definitely worthwhile to have the server times displayed for start time/end time/current time, so that we are all able to plan accordingly and be certain that we will have time to compete. |
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Location: India | We always follow GMT, but yes, it was not mentioned in the Screen Test main page.
It was there in the demo page / submit page, but I assume you didn't check that. Sorry that you missed it, and we'll be mentioning it more clearly in future. |
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Posts: 10
Location: United States | Thanks for the response. It was clearly my own mistake for leaving it too late. It was a shame for me because I was really looking forward to this competition. I had tried the demo a few days back but don't remember seeing anything about GMT. Of course I should have thought of that and will keep it in mind for the future.
Thanks for taking the time to design these puzzles - they are a lot of fun! I'll anxiously await the next Screen Test. |
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Location: India | john_reid - 2012-12-25 7:42 AM
Thanks for taking the time to design these puzzles - they are a lot of fun! I'll anxiously await the next Screen Test. Just prepared an unofficial link for you - http://logicmastersindia.com/ST/ST3/unofficial.asp
Edited by debmohanty 2012-12-25 8:10 AM
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Posts: 13
Location: India | Hi Deb,
I was thrilled with the no of Variant Sudokus given, i tried the demo Sudoku ..and was practising for the screen test..! however before the dead line time of screen test, i was not able to take it up; as i was travelling; can you please tell me when ll this screen test happen next time ? |
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Location: India | Gotroch - 2012-12-23 4:27 AM
Thank you Deb, it was very nice test.
I usually use pencilmarks very often, but this test disables it, so it was very different solving experience for me. Lot of solving in mind and memory was used.
For the scoring - in my opinion penalty system could have been better. In normal tests one wrong digit = zero points. In this test, submission with lots of wrong cells was still awarded with fair amount of points.
Next time, especialy for such small grids, there can be some limit of maximum wrong cells (6-8) for each puzzle to any points being awarded. Thanks Gotroch. You might not have realized that you were the first solver in the official period. It was lot of fun watching your score updates.
About the scoring system : We didn't have much data to come up with a rigid system. I was keen to play safe, so whenever there was a doubt, I thought it is better to award points to players.
I'm not defending the current system, but here is why it was done this way.
Given that there is a 5 minute cutoff on every puzzle, we needed to have partial points. We* expected many players to have half solved sudokus at the end of the cutoff time (and that is precisely what happened). We wanted to give some points if something has been solved - so there was no minimum-cells-to-be-filled-to-get-points condition.
And finally, about no penalty for wrong cells : it was again because of the cutoff. Imagine a situation where at the end of 270 seconds, 2 players have filled in same number of cells. (take the example of Skyscraper). They have 30 seconds solve the remaining part. Player A keeps staring at the grid and 30 seconds gets over. Player B does not find the logic, but decides to take a bifurcation, but unfortunately he takes the wrong route and 30 seconds gets over (and sudoku gets auto submitted) with him having some incorrect cells on the grid. I just thought that Player B shouldn't get less points than Player A. So there was no penalty for wrong cells.
* Thanks to Rohan and Prasanna who very patiently heard about my concept and discussed about it whenever I needed. |
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An LMI Player with Sudoku ratings 500- | | 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? | Too many hard puzzles | | | 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? | Way too many puzzles (too little time) | | | What is your opinion about rules, points and scoring for this test? | Fair | | | What is your opinion about the solving interface? | Fairly Nice | |
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Posts: 12
Location: Thailand | | 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? | Way too many puzzles (too little time) | | | What is your opinion about rules, points and scoring for this test? | Very fair | | | What is your opinion about the solving interface? | Fairly Nice | |
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Posts: 1
Location: India | | 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? | 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 | |
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Posts: 16
Location: India | Hi Deb, I remember attempting puzzle no. B3 (not sure, if I completed it or not, but I did fill in some cells).
However, on the review submission page, it says that I did not submit it!
Could there be some problem with the auto-submit after 5 minutes were complete? |
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Location: India | witty - 2012-12-25 1:44 PM
Hi Deb, I remember attempting puzzle no. B3 (not sure, if I completed it or not, but I did fill in some cells).
However, on the review submission page, it says that I did not submit it!
Could there be some problem with the auto-submit after 5 minutes were complete? Hi Jayant, I checked the database. It looks like you have submitted B3 (Touchy) at 88 seconds in your timer without filling any cells. So 5 minutes auto-submit does not have a role to play, since you have submitted much earlier.
You started this puzzle at 2012-12-23 19:48:59 and submitted at 2012-12-23 19:50:28, both in India time. You can check the same in the score page as well.
In review page, we are not showing puzzles which are completely blank.
Is it possible that you are thinking about another puzzle B5 (or some other puzzle) ?
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Posts: 45
Location: India | It's so good to see a test with zero `Zero` Scores 
Edited by adityasaraf007 2012-12-25 3:33 PM
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LMI Screen Test #3 — December Sudoku Test — 21st-24th December
