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WSPC Organizer
Posts: 739
  
Location: India | Logic Masters India announces the July Sudoku Monthly Test 'Classic Look-Alikes'. Jan Mrozowski (janoslaw), the current and double World Sudoku Champion is the author of the puzzles. He's fond of Classic Sudokus with one additional rule and thats exactly why he's created a test for us.
The test will be held on 17th-18th July, 2010. You can download the Instruction Booklet and check out the examples on the SUBMISSION PAGE: http://logicmastersindia.com/M201007S/
You can ask your doubts and give feedback on the forum: http://logicmastersindia.com/forum/forums/thread-view.asp?tid=69
You have seen the Champion in action, now here's your chance to crack some of the Champion's puzzles! |
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Location: India | Some quick details
Link : http://logicmastersindia.com/M201007S
Open for : 48 hours
Length : 120 minutes
Number of Sudokus : 23 (14 9X9 Sudokus and 9 6X6 Sudokus)
Author : Jan Mrozowski
Sudoku Types : All types look like Classics
| Classic Sudoku | Diagonal Sudoku | | Quadro Sudoku | No touch Sudoku | | Antiknight Sudoku | Non-Consecutive Sudoku | | Between Sudoku | No 3 odd/even in line Sudoku | | Symmetric Unequal Sudoku | Touchy Sudoku |
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Posts: 225
Location: Thailand | I don't understand between sudoku |
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Location: India | tamz29 - 2010-06-28 10:50 PM
I don't understand between sudoku
It is little difficult to explain without the solution.
In "Between Sudoku", the 'given' hints have special meaning.
In row 5, between the given 1 and the given 5, only digits between 1 and 5 can appear.
Similarly in Column5, between the given 1 and the given 6, only digitsbetween 1 and 6 can appear.
In Row9, between the given 7 and the given 9, only digits between 7 and 9 can appear.
In Row7, between the given 2 and the given 6, only digits between 2 and 6 can appear.
So on ...
Does that clarify? |
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Posts: 44
Location: United States | This is actually a brilliant variant. I can't wait to try this type in the test itself. It just needs a silly but trendy nickname like "Sandwich Sudoku". 
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Posts: 9
Location: China | Chinese translation of rules are here http://www.sudokufans.org/forums/index.php?showtopic=82
Edited by Leaf Card 2010-06-29 7:27 AM
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Location: India | davmillar - 2010-06-29 2:50 AM
This is actually a brilliant variant. I can't wait to try this type in the test itself. It just needs a silly but trendy nickname like "Sandwich Sudoku".
The image and the interpretation is too good.
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Location: India |
Thank you so very much! |
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WSPC Organizer
Posts: 739
Location: India | Really nice David :-) |
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Diagonal Vision Author
Posts: 337
Location: Switzerland | It seems that it will be a very fun test !
Grids in the booklet are very interesting: I like particularly non common variations: "sandwich sudoku" and "No 3 odd/even in line".
I hope I can do this test (but I'm not sure).
Fred
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Location: India | |
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Posts: 2
Location: Germany | Hello!
I have some problems with the "Symmetric unequal sudoku" and "Antiknight sudoku".
Could you please give me an example how to match it?
Thanks
The sudokus are very interested. Good job 
Greetings from Germany
Karlson
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Location: India | Hello Karlson,
Welcome to LMI.
Can you please the problem you are facing with "Symmetric unequal sudoku"?
When rotated 180° R3C3 becomes R7C7, R1C6 becomes R8C4. So as per the rules, R3C3 can never have the same digit as R7C7, similarly R1C6 can never have the same digit as R8C4, so on ...
In general, RnCn can never have the same digit as R[10-n]C[10-n]
Hope the instruction is clear.
If you are facing problems solving the specific example, let us know and one of us can help with step-by-step hints?
If you need more examples, you can check the puzzle booklet of mock12 at http://logicmastersindia.com/mock12/mock12.asp
Also, what is the problem you are facing about "Antiknight sudoku"?
Deb
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Odd Even & Twisted Classics (SM 16/17) Author
Posts: 460
Location: India | Hi Karlson,
I am trying to attach an example in image format to explain it better.
In First image, R1C1 (Row 1 - Column 1 ) is having number 8. The second image is the same grid which I have rotated by 180 degree angle and now the number 8 is in R9C9.
The condition in Symmetric Unequal sudoku is that same number cannot be in a cell which is rotated by 180 degrees. Hence, if 8 is in R1C1 it cannot be in R9C9. Hope this clarifies.
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Odd Even & Twisted Classics (SM 16/17) Author
Posts: 460
Location: India | In Antiknight, a number cannot repeat in another cell which is at a knights step as in Chess. In the image below, R5C5 has the number 5 in it. Other cells which are at a Knight's step (as in chess ) from this cell are highlighted in yellow color. Hence the number 5 cannot be placed in any of these cells which are colored yellow. Hope this is what you were looking for in Anti Knight Sudoku.
Rishi (purifire)
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Odd Even & Twisted Classics (SM 16/17) Author
Posts: 460
Location: India | I hope I have made a correct assumption of your problem with Anti Knight Sudoku Karlson :)
Rishi |
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WSPC Organizer
Posts: 739
Location: India | If you want more practise Anti Knight puzzles to solve, there are about 10 of them on my blog: http://rohanrao.blogspot.com/search/label/Anti%20Knight%20Sudoku
Rohan. |
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Posts: 2
Location: Germany | @all
Thank you very much for the Illustration and help. 
The language (my translation) was the problem in "Anti Knight Sudoku".
In german the figur called "Pferd" (translation in english = horse).
Symmetric unequal sudoku is now no problem also too.
I´am looking forward for the weekend.
Many greetings
Karlson 
Edited by Karlson 2010-07-06 11:36 PM
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Posts: 172
Location: ITALY | Sorry if I go back to the Between Sudoku (or Sandwich sudoku..)
the instructions say that "if there is MORE THAN ONE CELL between two given digits.... only digits inbetween the given can be used.
But in the example (and in Jan's explanation a few posts ago) the same applies also when there is EXACTLY ONE CELL between two given digits. for example, between 7 and 9 in row 9 the is EXACTLY ONE CELL (and not MORE THAN ONE CELL), and the digit 8 is placed. Is this just a coincidence? Could another digit (for example 3) be used? Or the instructions are misleading?
In the diagram, MORE THAN ONE CELL BETWEEN TWO GIVEN DIGITS occur only in row 5 and in column 5, while there are many more examples of EXACTLY ONE CELL BETWEEN GIVEN DIGITS.
Should the instructions say "if there is AT LEAST ONE CELL BETWEN TWO GIVEN DIGITS IN THE SAME ROW OR COLUMN????)
Please clarify.
Stefano
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Location: India | Stefano,
You are correct.
The instruction should be "if there is AT LEAST ONE CELL BETWEN TWO GIVEN DIGITS IN THE SAME ROW OR COLUMN, ......"
Deb
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Location: India | Sudoku Booklet (12 pages, password protected) is uploaded here
Note that this booklet does not have the examples and the Rules.It only has points and the Sudokus. |
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WSPC Organizer
Posts: 739
Location: India | I think this should be mentioned somewhere on the webpage, so that people who expect it, can be informed in time.
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PR 2020 (Casual and Word) Author
Posts: 349
Location: India | Best of luck to everyone, I am getting to participate after some time, hope I do well. |
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Posts: 42
Location: United States | This was great fun, as LMI mocks always are. Special thanks to Janek, whose puzzles were exceptionally well-written and include some clever new variants.
Good luck to all! I promise you will enjoy these. |
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Posts: 199
Location: United States | I'll second Ziti's comment that this was an excellent test with many great puzzles in these styles. Many clever work-ins and a good challenge overall. Thanks janoslaw. |
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