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PR 2020 (Shading and Loops) Author
Posts: 668
  
Location: India | puzzles are of nice quality..
every puzzle has different ways of solving and a trick to do it.
although i could have done better..
thanks to the authors for organizing such a beautiful test.. :) |
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Location: India | A quick note about claims : No claims will be accepted for first 7 puzzles in case of typos. There answer keys for them can not be simpler. |
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Posts: 328
Location: India | great test.....................awesome puzzles.......thanks to all the authors and ofcourse LMI. |
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Posts: 199
Location: United States | Amazing test! It's pretty easy to say that this is the best competitive round of Japanese puzzles that I've seen on LMI. But I also feel like saying that this is one of the best tests we've seen as well. Thanks for the work to put this together, and I hope it can inspire my next test to be just as good. |
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Posts: 2
Location: United Kingdom | That was an excellently put together set of puzzles. Thanks for introducing me to Mochikoro as I'd never heard of it before this test and now it's one of my favourite puzzle types. Yajilin+ is a clever variant that complements the original puzzle type nicely and I hope to see more made. Great job all. |
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Posts: 183
Location: New Zealand | A good set of puzzles, arigatoo gozaimashita, unfortunately I wasted too much time on big puzzles that never revealed their secrets to me... if only I was better at puzzles! :)
But at least I'm the first person to (claim to) have solved the password! Maybe that's worth some bonus points? |
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Posts: 19
Location: United States | My compliments to the chefs! |
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Posts: 225
Location: Thailand | This is not the first time I encounter problems with the answer keys for loop-based puzzles, I triple checked my yajilins and masyus and it doesn't seem to work.
Both my Masyus still turned out "incorrect" (while the puzzles were solved correctly) - I'm wondering if one-off typos can be claimed since both masyus total up to a whopping 41 points. |
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Posts: 152
Location: United Kingdom | I definitely enjoyed this, although I must say I was frustrated somewhat with the physical printed size of the larger slitherlink and heyawake puzzles. Both were lovely puzzles but during the time I restarted and reprinted both of these several times and kept making silly errors which (aside from the usual dose of my own carelessness) I can only put down to overextending lines or dots due to the small sizes of the grid cells.
Aside from this one grievance, hats off to the authors - I much prefer puzzle tests where authors don't indulge in their own variants too much, after all the classics are classics for a reason :) Although that said, the yajilin variant here was definitely good fun! |
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Posts: 28
Location: United Kingdom | Adding to everyone else's thanks to the authors. Unfortunately for me, I spent far to long with the Slitherlinks and made mistakes in them - wasted effort on my part. |
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Posts: 30
Location: Canada | General question: How soon after the test ends (and where) can we get the password? I rarely get the block of time to do a test, so I'm almost always just waiting for the end of the official time so I can start it. |
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Location: India | It is fixed at
5:30:01 AM IST + Length of the test
(i.e. 00:00:01 AM GMT + Length of the test)
You can get the password from the test page itself. (You have to login though)
OR, couple of hours (not fixed) after the test is over, pdf without password is uploaded at http://logicmastersindia.com/lmitests/downloads.asp |
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Posts: 30
Location: Canada | debmohanty - 2011-08-22 6:32 AMYou can get the password from the test page itself. (You have to login though) Thanks for the quick response! I am logged in, but the start button is disabled, so I can't 'start' the test and get the password. I can wait. |
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Location: India | figonometry - 2011-08-22 6:37 AM
debmohanty - 2011-08-22 6:32 AMYou can get the password from the test page itself. (You have to login though) Thanks for the quick response! I am logged in, but the start button is disabled, so I can't 'start' the test and get the password. I can wait.
The test gets over at 5:30AM. That means no one can start the test after 5:30AM.
The test gets *really* over at 7:10AM. So, you can see the password after 7:10AM.
Technically, we could display the password after 5:30AM. But we don't do that because may be some players are little late, and may ask to push the "end time" by some time. |
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Posts: 69
Location: Japan | Japanese Puzzle Land is over.
Congratulations to Thomas Snyder (all 25 puzzles, 550 pts), Kota Morinishi (21 puzzles, 434 pts), Taro Arimatsu (20 puzzles, 426 pts) for topping this test. And I must mention that Ken Endo got the same score as Taro.
Out of top 10 players, 7 are from Japan, 2 are from USA, and 1 is from Poland. From the results, we can easily see that Nikoli readers and/or Nikoli.com members had much advantage in this test.
258 players participated, out of which 203 got non-zero scores. In terms of the number of participants, this was the most successful puzzle test in LMI! Thank you for participating!
I will write something about the test later. I am exhausted after a 48 hours test now. |
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Mean Minis (2020) Author
Posts: 774
Location: India | Administrator - 2011-08-19 9:17 PM
...This test has simplest of answer keys. ...
I totally agree that this test had the simplest of answer keys. And, most of the solvers had to spend only a few seconds to input the answer keys.
But, at the same time, the answer key also became much more prone to guessing - not for all puzzles, but for specific ones. If you had solved a little of these puzzles, you could guess the answer key with a fair chance of success. According to me, the puzzles which fell into this category were the ones which involved counting in certain rows/columns (eg hitori, shikaku, akari, etc).
Because of the answer key, in the end, I was encouraged to make guesses for broken or even almost blank puzzles. I made 4 guesses and got 2 right - for a total of 48 points. Thats almost 10% of points.
So, question to ponder: should we make the answer key just a bit harder - for counting based answer keys? |
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Mean Minis (2020) Author
Posts: 774
Location: India | Administrator - 2011-08-19 9:17 PM
However, feel free to leave your feedback about the test in general after you complete the test. Its everyone's feedback that most authors look forward to.
Overall, a very enjoyable set of puzzles. I specially liked the new types - Shakashaka and Mochikoro - as never saw them before. Thanks to the puzzle team for an excellent test. And, Congratulations for the most successful test yet on LMI !!! (in terms of participation) |
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Mean Minis (2020) Author
Posts: 774
Location: India | kiwijam - 2011-08-21 5:00 PM
A good set of puzzles, arigatoo gozaimashita, unfortunately I wasted too much time on big puzzles that never revealed their secrets to me... if only I was better at puzzles! :)
But at least I'm the first person to (claim to) have solved the password! Maybe that's worth some bonus points?
I also think you deserve some bonus points. But did you click on "Claim bonus"? 
Can you also share the secret here, as I am not able to make anything out of it? (I initially thought something to do with Roman numbers, but there is no W in Roman numbers.)
Edited by rakesh_rai 2011-08-22 1:31 PM
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Sudoku Day Author
Posts: 103
Location: Serbia | A lot of giants was here. I always remember my perfect zero score on giant part in Minsk 2008.
I hope this is not a future of the puzzles. Try to imagine such sudoku contest with every second 12x12, 16x16 puzzle or larger. I think it wouldn't be interesting. Anyway, thanks to the authors. Also, I learned something about the history of the puzzles.
Nikola |
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Location: India | Solution Booklet - http://logicmastersindia.com/lmitests/dl.asp?attachmentid=172&v1
It also has who created which puzzle and some interesting links. |
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Location: India | rakesh_rai - 2011-08-22 11:10 AM
But, at the same time, the answer key also became much more prone to guessing - not for all puzzles, but for specific ones. If you had solved a little of these puzzles, you could guess the answer key with a fair chance of success. According to me, the puzzles which fell into this category were the ones which involved counting in certain rows/columns (eg hitori, shikaku, akari, etc).
Didn't we have similar answer keys in other tests, especially in Nikoli Selection 2011? |
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Location: India | Nikola - 2011-08-22 12:18 PM
A lot of giants was here. I always remember my perfect zero score on giant part in Minsk 2008.
I hope this is not a future of the puzzles. Try to imagine such sudoku contest with every second 12x12, 16x16 puzzle or larger. I think it wouldn't be interesting. Anyway, thanks to the authors. Also, I learned something about the history of the puzzles.
Nikola
Well, I'm not sure about other competitions, but we unlikely to have 12X12 / 16X16 Sudokus in a Sudoku contest. (Our flash doesn't support it :-)
Regarding puzzles : We generally don't have large puzzles in LMI tests. But 'larger' puzzles are part of Nikoli's tradition. So I thought having slightly larger puzzles will appropriately represent how Nikoli's puzzles are. |
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Mean Minis (2020) Author
Posts: 774
Location: India | debmohanty - 2011-08-22 5:14 PM
rakesh_rai - 2011-08-22 11:10 AM
But, at the same time, the answer key also became much more prone to guessing - not for all puzzles, but for specific ones. If you had solved a little of these puzzles, you could guess the answer key with a fair chance of success. According to me, the puzzles which fell into this category were the ones which involved counting in certain rows/columns (eg hitori, shikaku, akari, etc).
Didn't we have similar answer keys in other tests, especially in Nikoli Selection 2011?
I mentioned the same (as a test solver) - e.g. hashi in NS2011 was a very guessable answer key. |
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Posts: 69
Location: Japan | rakesh_rai - 2011-08-22 11:10 AM
So, question to ponder: should we make the answer key just a bit harder - for counting based answer keys?
Thanks for pointing out. We adopted simple answer keys because we would like competitors to concentrate on solving, not counting. But we must admit that some of them were too simple and easily guessable. We will consider their balance more carefully next time.
P.S. At first, answer keys for Slitherlink, Masyu, Shikaku and Yajilin+ were much simpler. I asked authors to change them. |
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Posts: 199
Location: United States | Nikola - 2011-08-21 11:18 PM
A lot of giants was here. I always remember my perfect zero score on giant part in Minsk 2008.
I hope this is not a future of the puzzles. Try to imagine such sudoku contest with every second 12x12, 16x16 puzzle or larger. I think it wouldn't be interesting. Anyway, thanks to the authors. Also, I learned something about the history of the puzzles.
Nikola
I see a difference between the large puzzles here and many of the Giants part in Minsk 2008. Basically, there are some puzzle types that, for the most part, are locally solvable meaning that the difficulty mostly scales with the number of cells. There are other puzzle types that use more global constraints and get much harder as the size increases. Sudoku is certainly in this category, as are the types Tents, Star Battle, and Pills from Giants in 2008 that get much much harder as the size increases.
But puzzles like Kakuro, Slitherlink, Masyu, Heyawake and others that went "big" here are not types that require you to think about the whole grid at one time very often if at all. The size makes it more of a challenge of not making mistakes (as errors will eventually propagate and cause trouble), but it still scales with the overall size of the puzzle. On Nikoli.com, I call these "larger but not harder" puzzles. And this test matched the Nikoli style perfectly well where most of the hards that are 14x24 are as challenging as a 10x10 hard puzzle, but take 336/100 times the time.
Edited by motris 2011-08-22 8:48 PM
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Japanese Puzzle Land — LMI August Puzzle Test — 20th and 21st August
