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PR 2020 (Casual and Word) Author
Posts: 349
 
Location: India | Meanwhile we have also double checked all the other puzzles.
So all participants can proceed confidently with the puzzles without having to worry about inaccuracy or non uniqueness.
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Mean Minis (2020) Author
Posts: 774
Location: India | amitsowani - 2010-10-09 3:24 PM
1) The LITS image in the pdf is incorrect. We have uploaded an updated pdf. So all participants who are yet to participate please download the updated version.
2) The Nurikabe 10X10 puzzle is incorrect.
3) The Numberlinks puzzle has multiple solutions.
I am yet to take the test. It seems the updated pdf will have correct grid for LITS. As regard Nurikabe and Numberlinks - how are the points going to be awarded for these puzzles? |
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Posts: 11
Location: Bulgaria | Frankly, I am a bit disappointed by the mistakes, as I wasted some time trying to fix the nurikabe and the LITS is a lot of points, but then again it's not like I was going to win anything anyway. I'll just solve the corrected versions and when I see my low score I'll have an excuse :P Still, I hope the people responsible take something out of this and be more careful next time :)
I haven't even started the marathon puzzles. Judging by Tom's post yesterday, I'm in for a treat :) |
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Location: India | StGeorge - 2010-10-09 4:07 PM
Frankly, I am a bit disappointed by the mistakes, as I wasted some time trying to fix the nurikabe and the LITS is a lot of points, but then again it's not like I was going to win anything anyway. I'll just solve the corrected versions and when I see my low score I'll have an excuse :P Still, I hope the people responsible take something out of this and be more careful next time :)
We understand yours frustration about spending time on those two puzzles.
After the announcement, we hope that players who are yet to play will enjoy remaining puzzles. |
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Posts: 152
Location: United Kingdom | I will take the blame here for this disaster - just not good enough I'm afraid.
We are currently discussing what to do. I have proposed the following:
-the nurikabe and numberlink are broken beyond repair and ought to be removed from the test (bringing the total score for the first section down to 920). Participants who have already finished the test should be compensated for the wasted time.
-the LITS is fixable. What will happen here is either the same as for the numberlink and the nurikabe - or else a new PB will be uploaded, and all earlier participants will be awarded the full points.
Once again, my sincerest apologies  |
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CTC & TVC Author & Organizer
Posts: 183
Location: Turkey | I opened the first file but I have trouble with opening the marathon file. I downloaded it again but it does not accept the password (which was said to be common for both files). Is there something that I am missing? |
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Location: India | yureklis - 2010-10-09 5:30 PM
I opened the first file but I have trouble with opening the marathon file. I downloaded it again but it does not accept the password (which was said to be common for both files). Is there something that I am missing? Sent you password for marathon. check your forum inbox |
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Location: India | yureklis - 2010-10-09 5:30 PM
I opened the first file but I have trouble with opening the marathon file. I downloaded it again but it does not accept the password (which was said to be common for both files). Is there something that I am missing?
Both the files have 2 different passwords now. Both passwords are displayed in the submission page after you start the test. |
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PR 2020 (Casual and Word) Author
Posts: 349
Location: India | Reposting to make sure that everyone has read this post:
1) The LITS image in the pdf is incorrect. We have uploaded an updated pdf. So all participants who are yet to participate please download the updated version.
2) The Nurikabe 10X10 puzzle is incorrect.
3) The Numberlinks puzzle has multiple solutions.
4) The Heyawake marathon puzzle is incorrect.
Password for marathon pdf is different than main puzzle pdf. Both passwords will be displayed after you start the test |
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Posts: 22
Location: ITALY | A good set of puzzle, i like it! I have done only a stupid error in hashi'answer key; i have entered the number of all double bridges.
Good luck to everyone! |
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Posts: 7
Location: Bulgaria | I had the bad luck to solve the wrong PDF.
This is what I found:
#1 Numberlink - multiple solutions
When I realized it, I just found a solution that is using all cells and got points
#5 Akari - 4 solutions
For luck, all solutions have the same answer, so no problems with it
#12 Nurikabe - wrong image
I spent a lot of time on it. After time limit I solved the bigger Nurikabe for about 1/3 of the time I spent on this.
Actually, it's very easily fixable: just change '4' to '3' at R5C10
#16 LITS
I also spent some time until found it's wrong (one small line, but a big difference) |
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Posts: 152
Location: United Kingdom | For anyone wondering what the big heyawake should have looked like:
Puzzle: http://www.warwick.ac.uk/~marear/36x20_heyawake.png
(and solution: http://www.warwick.ac.uk/~marear/36x20_heyawake_solution.png)
Please accept this as something of an apology :) |
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Location: India | Deyan - 2010-10-09 11:15 PM
I had the bad luck to solve the wrong PDF.
#5 Akari - 4 solutions
For luck, all solutions have the same answer, so no problems with it
Sorry again about the problems.
#5 Akari has one solution. Please check your email. |
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Posts: 7
Location: Bulgaria | debmohanty - 2010-10-09 9:06 PM
Deyan - 2010-10-09 11:15 PM
I had the bad luck to solve the wrong PDF.
#5 Akari - 4 solutions
For luck, all solutions have the same answer, so no problems with it
Sorry again about the problems.
#5 Akari has one solution. Please check your email.
Oops
You are right. I should change my notation for this puzzle. |
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Posts: 11
Location: Bulgaria | The heyawake marathon was wrong? I didn't notice. It did take me quite a while to solve it - about 75 minutes - but I didn't see any mistakes. I'm sure I can easily be missing something and the correct version that Tom posted looks quite a bit different. Can someone tell me what the mistake is? Or is it that the one in the booklet is still a valid heyawake, just not the one that was intended? That would be a weird happenstance :) |
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Posts: 152
Location: United Kingdom | I didn't notice either  - until it was too late.
There was a thing quite early on in the solve where you have a choice between either entirely surrounding an empty square with shaded squares, or else leaving 3 rooms empty in a row. The latter option was apparently quite subtle as I must have passed over it at least four or five times. Either that, or I'm an idiot.  The new version is basically a fiddle to change as little of the solving experience (after wrongly assuming the 3 empty rooms in a row) as possible - I'd estimate about 80% of the puzzle solves the same.
Edited by detuned 2010-10-10 5:39 AM
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Posts: 199
Location: United States | I obviously had the benefit of the "improved" test, but that won't keep me from my typical counting error (on the highest possible valued puzzle to boot). Got through all the solvable puzzles though. I think the marathon Kakuro was guilty of being too cute (not a good thing in a competition), but otherwise a lot of very fun puzzles to solve. Thanks for the puzzles Tom.
Edited by motris 2010-10-10 10:25 AM
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Posts: 11
Location: Bulgaria | Yeah, I found the spot and fixed it up with the new image, it should be ok now :)
By the way, the masyu marathon was pretty fun, I had a couple of warm, fuzzy "Oooh" moments solving it :P |
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Posts: 172
Location: ITALY | I made it too although my PC froze as soon as I copy/pasted the pw. Had to reset and reboot and lost 5-6 minutes. Therefore I guess this time motris will beat me
Nice set of puzzles, although I did not always find a straight relationship between the points awarded and the difficulty level. Thanks Tom, better luck for the future
stefano
ps: how do I rate the puzzles?
Edited by forcolin 2010-10-10 2:55 PM
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WSPC Organizer
Posts: 542
Location: India | Nice set of puzzles. Made one error while submitting the answer to lost 100 points. Do take care while submitting your answers.
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Location: India | forcolin - 2010-10-10 2:54 PM
ps: how do I rate the puzzles?
In the submission page, below each puzzle name there are 10 dots.
The left-most dot is for 1-star and the right-most dot is for 10-stars. You can move your mouse over the dot to see. |
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Posts: 83
Location: Czech Republic | amitsowani - 2010-10-09 6:03 PM
Reposting to make sure that everyone has read this post:
1) The LITS image in the pdf is incorrect. We have uploaded an updated pdf. So all participants who are yet to participate please download the updated version.
2) The Nurikabe 10X10 puzzle is incorrect.
3) The Numberlinks puzzle has multiple solutions.
4) The Heyawake marathon puzzle is incorrect.
Password for marathon pdf is different than main puzzle pdf. Both passwords will be displayed after you start the test
So for the Numberlink puzzle it means that any correct solution will be accepted and points will be awarded?
Or is that puzzle out of the competition like the incorrect ones? |
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Posts: 24
Location: United States | Since you uploaded a new test booklet with a corrected LITS, are you going to somehow adjust the scores of those who completed the test before the new PDF was uploaded? |
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Posts: 17
Location: United Kingdom | If you start the competition now, should you just skip the broken puzzles or are there still points available for these anyway? |
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PR 2020 (Casual and Word) Author
Posts: 349
Location: India | We will consider points only for the updated puzzle booklet.
Points will be adjusted for all participants who participated in the test before the updated booklet was made available.
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