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WSPC Organizer
Posts: 739
  
Location: India | sanket.saxena - 2015-06-27 3:47 PM
Hi Rohan,
In your filler sudoku,total shaded cells should be 45, its 44 here and 5 is appearing only 4 times in shaded cells
Yes, I missed a shaded cell. Its fixed now.
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1798
Location: India | Here's a nice Triomino Sudoku I just solved by Ashish Kumar - https://solvetheunsolvable.wordpress.com/2015/06/27/puzzle-38-triomi...
Note that its pretty difficult though. |
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Posts: 8
Location: India | Yeah its very tough please someone provide any solving tips.
and about odd even view what are its basic solving strategy |
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WSPC Organizer
Posts: 739
Location: India |
Really enjoyed solving this one. Well constructed.
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1798
Location: India | doku - 2015-06-27 4:50 PM
Yeah its very tough please someone provide any solving tips.
and about odd even view what are its basic solving strategy
Triomino (specifically Ashish's) - Note exit points for corner boxes. If a triomino 'goes out' of the corner box, there needs to be another place where it 'comes in' to make up the numbers. So if there aren't two exit points, the box must contain the entire triomino within itself. As a general tip for this variant I suggest having two sets of markings, one for cells which will contain a Triomino, and the other for cells which must contain digits (which isn't necessarily limited to just the cells with givens/solved digits).
Odd Even View - Where there are two clues, the rules force one of those clues to be in the first cell from that direction. If there is a side that is entirely double-clued like the example in the Instructions booklet, then whatever digit occurs only once (e.g. 8) needs to be in the first cell of that direction, since, using the first sentence, it can't be anywhere else. Also, as a general tip here, it is useful to have two sets of markings, one for 'cell containing odd digit' and another for 'cell containing even digit', these can be useful without placing a digit at all. For instance if you solve the IB one, you should get 2 in R9C1 which forces R7R8R9C3 to be odd and that can be marked to keep track.
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1798
Location: India | prasanna16391 - 2015-06-27 5:32 PM
Note exit points for corner boxes. If a triomino 'goes out' of the corner box, there needs to be another place where it 'comes in' to make up the numbers. So if there aren't two exit points, the box must contain the entire triomino within itself.
Actually, generally speaking, all boxes must have 0, 2 or 3 exit points. No box can have 1 exit point. |
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WSPC Organizer
Posts: 542
Location: India | Posted one Odd Even View Sudoku for practice
http://www.funwithpuzzles.com/2015/06/odd-even-view-sudoku.html
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Odd Even & Twisted Classics (SM 16/17) Author
Posts: 460
Location: India |
For a moment I thought it was the same puzzle as in the IB. The clues are positioned the same and there is also that pair of 1 and 4 on the left side :)
Rishi |
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Posts: 2
Location: India | Hi Not able to submit the answers. its says submission before 28th june 1645hrs will only be considered |
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Posts: 2
Location: India | Hi, am not able to submit the answers, i guess the answers submitted before 28th june 1645 hrs will only be considered. |
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1798
Location: India | AS2476 - 2015-06-27 8:24 PM
Hi, am not able to submit the answers, i guess the answers submitted before 28th june 1645 hrs will only be considered.
Competition booklet isn't released yet, so not sure what answers you want to submit. If its the demo page answers, please check that you are on this link -
http://logicmastersindia.com/2015/ISC_Demo/?online=1
And not this one -
http://logicmastersindia.com/2015/ISC/?online=1
The second one will only be active tomorrow during competition time. |
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Posts: 5
Location: India | Can I solve some on Paper and key in the marked rows/columns and use LMI interface for some? |
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Posts: 268
Location: India | ConfigurationsBeauty - 2015-06-27 10:39 PM
Can I solve some on Paper and key in the marked rows/columns and use LMI interface for some?
Yes. Of course. |
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1798
Location: India | I also posted a (difficult) Triomino Sudoku.
https://prasannaseshadri.wordpress.com/2015/06/28/puzzle-no-509-trio... |
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Location: India | Sudoku booklet uploaded• Password protected Sudoku booklet has been uploaded
• It has 12 pages
• There is no cover page or points table
• Individual puzzles will have points and instructions shown next to the grid. Example will not be shown.
• Page 3 will have only Expanded Sudoku. Pages 4-5 will have four 6X6 Sudokus each. All other pages will have two Sudoku grids.
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Posts: 61
Location: India | I'm not able to find the sudoku booklet. |
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Location: India | Hemant Kr Malani - 2015-06-28 11:58 AM
I'm not able to find the sudoku booklet.
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SM 2020 (Math) Author
Posts: 418
Location: India | Administrator - 2015-06-28 7:05 AM
Sudoku booklet uploaded• Password protected Sudoku booklet has been uploaded
• It has 12 pages
• There is no cover page or points table
• Individual puzzles will have points and instructions shown next to the grid. Example will not be shown.
• Page 3 will have only Expanded Sudoku. Pages 4-5 will have four 6X6 Sudokus each. All other pages will have two Sudoku grids.
Remember that only the password protected sudoku Booklet has been uploaded and the password to open it will be accessible only at 2PM IST.So don't panic ,if new users are able to download the booklet but unable to open it before 2PM.
Good luck to all!!
Kishore |
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Location: India | Is wrapping considered in Search 9
For Instruction booklet sudoko 25) can I conclude row8-col9 can only be 1/2 ... If sudoko wrapping allowed, then it can be 1/2/6/7
Edited by aakash 2015-06-28 12:48 PM
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Location: India | • After 2PM, go to the ISC link ( http://logicmastersindia.com/2015/ISC/ ) .
If you are planning to solve online, go to ( http://logicmastersindia.com/2015/ISC/?online=1 )
If you are planning to solve on paper, Download the password protected booklet
• Login using your LMI user id, password. If you are participating for the first time, enter your country.
After login click on "Start ISC 2015". At this time, the timer will start and the password will be shown to you.
If you are solving online, scroll further down to start solving.
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Location: India | aakash - 2015-06-28 12:48 PM
Is wrapping considered in Search 9
For Instruction booklet sudoko 25) can I conclude row8-col9 can only be 1/2 ... If sudoko wrapping allowed, then it can be 1/2/6/7
Please do not complicate. There is no wrapping.
In Instruction booklet, R8C9 is given as 1. Not sure how you are determining options for R8C9. |
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Location: India | Question in email -
How do I reset my password?
OPTION 1) (automatic and instant)
Go to http://logicmastersindia.com/forum/forgot-password.asp
Enter your username and email address
You will receive a code in your inbox (Check spam folder in case your email server marks it as spam)
Go to http://logicmastersindia.com/forum/reset-password.asp
Enter your user id and the received code
If the above option does not work (e.g. if you don't receive email in 5 minutes)
OPTION 2) (Manual and slow)
Send an email to logicmasteradmin@gmail.com from your registered email address
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Posts: 12
Location: India | all d best to everyone
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Posts: 4
| When i click on the link to participate online it says plugin not supported
What should i do |
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Posts: 33
Location: India | maybe try in Internet Explorer ? |
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WSPC 2017 • Schedule • Participation • Location • WSC • WPC • Contact •Search •Recent
Indian Sudoku Championship 2015 - 28th June
