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Odd Even & Twisted Classics (SM 16/17) Author
Posts: 460
 
Location: India | Fred76 - 2011-03-16 9:50 PM
neerajmehrotra - 2011-03-16 9:10 PM
happy as always!!! :-)
I am not able to understand the double sudoku. I am clear with the rules but not able to get an start in the sample puzzle in the IB.
Any volunteers for step by step help.....
Starting point are the 2 R's. There are only 2 ways to addition some 1-6 digits with result 18: 1+2+4+5+6 or 3+4+5+6. the consequence is that the 3 should be on first or last position, and on the opposite you have a pair 12. So you have 3 on R4C6 and R6C5, Then also on R2C4 (just classical placement ). Then you can study the "E" columns where 2-3 must touch each other and 1-4 also.
I think that give a good start !
Fred
I have the images for solution ready but I am getting a server error when trying to upload...
Rishi |
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Posts: 328
Location: India | Thanx Rishi and Fred.............
That was excellent......... i cud solve it now.... |
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Location: India | The online example image (SunDoku) is now marked with Arrows. |
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Diagonal Vision Author
Posts: 337
Location: Switzerland | rakesh_rai - 2011-03-16 10:03 AM
Administrator - 2011-03-16 9:50 AM
If the same Sudoku is submitted using both modes and only one of them is correct, it will be left to organizers to decide if points are to be awarded. I think no points should be awarded in such cases as, otherwise, this system can be (mis )used to make answer guesses.
I think the best decision is to take into account the last submission, whether by one or the other mode. A player can solve on paper, submit, and then realize there is a mistake. Perhaps he choose to solve again with interface, and submit again. Or the reverse situation. Of course, if the first submission is correct and the second one not, it's a pity for the player...
So please, don't submit a false code if you had already submit the right one 
Fred |
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Location: India | Fred76 - 2011-03-18 4:14 PM
I think the best decision is to take into account the last submission, whether by one or the other mode. A player can solve on paper, submit, and then realize there is a mistake. Perhaps he choose to solve again with interface, and submit again. Or the reverse situation. Of course, if the first submission is correct and the second one not, it's a pity for the player...
Fred
That seems ideal. We'll stick to this rule (at least for this test, and revisit in the next test if required)
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Location: India | Instructions in Chinese available in SudokuFans forum - http://www.sudokufans.org.cn/forums/index.php?showtopic=247
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Location: India | After reading the translation at sudokufans forum, I'm suddenly having a question about Jigsaw Wordoku.
Will the word (or letters to be used) given? Or players have to be find it as part of solving.
In the example it is clear since U is repeated in one column.
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Posts: 148
Location: France | This is a good question.
Deb, I send you an e-mail about it in a few minutes.
Bastien |
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Location: India | We are making an experiment - this test starts 6 hours earlier than regular LMI tests.
The scheduled end time is same as regular LMI tests timings.
Please check the exact timings in the submission page |
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Diagonal Vision Author
Posts: 337
Location: Switzerland | debmohanty - 2011-03-19 9:42 PM
After reading the translation at sudokufans forum, I'm suddenly having a question about Jigsaw Wordoku.
Will the word (or letters to be used) given? Or players have to be find it as part of solving.
In the example it is clear since U is repeated in one column.
We finally take the decision to write the word (whose letters are used in the grid) in the instructions of the puzzle. So if you want to save a few seconds, read the instructions of that puzzle before solving !
Fred |
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Location: India | Password protected booklet uploaded. It has 12 pages, each page has one Sudoku. [ There is no cover page ]
As mentioned earlier, the test starts 6 hours earlier than regular LMI test start time. |
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Sudoku Day Author
Posts: 103
Location: Serbia | Yes, Fred, it is a challenge, but I think I succeeded! 
I tried everything and it's really impossible to catch the last cell (R1C1) with the decreasing ray.
I expect a lot of suns and flowers this weekend.
Nikola |
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Diagonal Vision Author
Posts: 337
Location: Switzerland | Nikola - 2011-03-25 9:48 PM
Yes, Fred, it is a challenge, but I think I succeeded!
I tried everything and it's really impossible to catch the last cell (R1C1 ) with the decreasing ray.
I expect a lot of suns and flowers this weekend.
Nikola
Nice, Nikola ! Good Idea to shorten a Ray to achieve this. I think it's the only way, but I'm not mathematician, so I do not want to do a strict proof 
Good luck for the tournament !
Good luck to all and may the best win!
Fred |
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CTC & TVC Author & Organizer
Posts: 183
Location: Turkey | Thank you very much for very nice test! Normally I cannot solve sudoku very quickly, but i tried to do my best :) I broke some puzzles, and i couldnt fix them, especially i am very sad about "mixed", i had almost finished, but i hadnt enough time for it :) In any way, i like very much, and i must say that "Killer 0-8" was amazing!
Thank you very much again,
Serkan |
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Diagonal Vision Author
Posts: 337
Location: Switzerland | yureklis - 2011-03-26 4:21 AM
Thank you very much for very nice test! Normally I cannot solve sudoku very quickly, but i tried to do my best :) I broke some puzzles, and i couldnt fix them, especially i am very sad about "mixed", i had almost finished, but i hadnt enough time for it :) In any way, i like very much, and i must say that "Killer 0-8" was amazing!
Thank you very much again,
Serkan
Thank you, Serkan. I'm sure your comment will reassure Bastien, who was not very satisfied by the killer 0-8 (he's the author) and wanted to remove it from the test. Fortunately we managed to make him change his mind
Fred |
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Posts: 8
Location: India | What is the password for the puzzle booklet? I am not able to find it in the site. |
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Location: India | manikodi - 2011-03-26 3:02 PM
What is the password for the puzzle booklet? I am not able to find it in the site.
You have to login at the submission page, click on "Start Spring"
After that the password will be shown (in red color)
You can open the pdf using the password OR you can solve online
You've to submit within 120 minutes after you "Start Spring" |
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Mean Minis (2020) Author
Posts: 774
Location: India | Good selection of puzzles - the variations were eminently enjoyable. Thanks to all the authors for this test. |
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Posts: 148
Location: France | yureklis - 2011-03-26 12:21 AM
In any way, i like very much, and i must say that "Killer 0-8" was amazing!
Fred76 - 2011-03-26 12:36 AM
Thank you, Serkan. I'm sure your comment will reassure Bastien, who was not very satisfied by the killer 0-8 (he's the author ) and wanted to remove it from the test. Fortunately we managed to make him change his mind
Fred
This puzzle is a whole story by itself, so I will keep quiet till the test is over, but reading the word "amazing" from Serkan is for sure a huge satisfaction and reassurance.
Thanks ! (and indeed, thanks to the team for having encouraged me to keep this puzzle) |
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WSPC Organizer
Posts: 739
Location: India | I dont like tests that are too short. I generally prefer longer tests.
I dont like tests with puzzles that are too complex or very difficult to understand and implement.
I dont like tests with puzzles that are difficult to solve and need a lot of guesswork.
Spring test is just the type of test that I love. A little lengthy, beautiful sudoku variations, some new, some standard variants, some tweaked variants, absolutely fun-guaranteed test. There are some things I want to tell, but I have to control myself till the test is over :-)
And a silly stupid mistake cost me Double Sum's points. Been very erroneous in the last few tests :(
But, great work by the team! |
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Posts: 148
Location: France | Thanks Rakesh and Rohan. We tried to make this test as fun as possible, and your comments tend to confirm that we did achieve our goal.
By the way, Rohan, I totally agree with the three points you exposed, so it is quite reassuring to see that, according to you, the test didn't fall in one of these traps. Looking forward to have some more detailed impressions from you (of course, even bad ones, if there are). |
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Posts: 199
Location: United States | Really fun test with some great puzzles. Lots of creativity with great theming and a few phenomenal variations. My only possible complaint is that the dark green is a hard color to write on/read but it was still nice to see so many different ways to welcome Spring.
The new answer submission system was also a great improvement, so thumbs up all around. |
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Posts: 152
Location: United Kingdom | Fred76 - 2011-03-25 7:15 PM
Nikola - 2011-03-25 9:48 PM
Yes, Fred, it is a challenge, but I think I succeeded!
I tried everything and it's really impossible to catch the last cell (R1C1 ) with the decreasing ray.
I expect a lot of suns and flowers this weekend.
Nikola
Nice, Nikola ! Good Idea to shorten a Ray to achieve this. I think it's the only way, but I'm not mathematician, so I do not want to do a strict proof
Good luck for the tournament !
Good luck to all and may the best win!
Fred
I'm sort of a mathematician, and I think I proved it (albeit via brute force). At least with the sun in the middle 2x2 cells anyway...otherwise I think it's relatively easy 
Look forward to taking this test after dinner! |
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Diagonal Vision Author
Posts: 337
Location: Switzerland | detuned - 2011-03-27 1:13 AM
At least with the sun in the middle 2x2 cells anyway.
Yes, it's implied by the fact that a ray of one-cell length is not really relevant ! |
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Posts: 10
Location: Canada | Some of the puzzles were very well done... others such as the Jigsaw Wordoku are a pain in the ass when you are solving it with a keyboard. I didn't like the double sum sudoku either which isn't the kind of puzzle that's easy to do online with all of the ifs and thens involved with solving it. I didn't like that it could appear to be right until you got to the end and reached a contradiction, and using the letters on the sides made it unnecessarily confusing, when numbers on the side would have been sufficient.
Again, I think the puzzles should not just be designed for people who solve them on paper, but also for those who solve them on the site and don't use photoshop or other picture making programs to help you make enough notes to make it solvable. |
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WSPC 2017 • Schedule • Participation • Location • WSC • WPC • Contact •Search •Recent
LMI Spring Sudoku Test (26th/27th March)
