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Location: India | Logic Masters India announces August Sudoku Test — Classics vs. Innovatives
Authors : Shinichi Aoki, Yosuke Imai, Masahiro Kaneko
Dates : 4th - 6th August
IB and Submission Link : here |
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Location: India | IB is uploaded. |
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Posts: 33
Location: Japan | Thanks for all authors and test solvers.
(I10)Sum of them: Do all marks appear? |
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Posts: 69
Location: Japan | Kota - 2012-07-30 8:25 AM
Thanks for all authors and test solvers.
(I10)Sum of them: Do all marks appear?
Yes. All possible squares are given.
(A cell is marked "IF AND ONLY IF" the digit ...) |
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Location: India | (I10)Sum of them
Additionally, I think it is important to note that the marked digit can be sum of surrounding 2 or 3 or 4 digits. I got confused why 7 at R3C7 is marked, only to realize that 7 = 1+1+2+3. I think all other marked cells are sum of 2 digits. |
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Posts: 27
Location: India | will there be online solving? |
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Posts: 89
Location: India | True to the name -really innovative Sudoku variants,
Co-ordinates is my choice for the best of the lot in terms of creativity !! |
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1775
Location: India | utkaarsh - 2012-07-30 6:35 PM
True to the name -really innovative Sudoku variants,
Co-ordinates is my choice for the best of the lot in terms of creativity !!
I agree. I found that a really interesting idea too.
Also, 16 grids, so looking forward to it :P |
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Location: India | gauravkorde - 2012-07-30 2:54 PM
will there be online solving? We decided not to have online solving for this test. It is difficult to solve some of the Sudokus online with LMI's basic interface.
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SM 2020 (Math) Author
Posts: 157
Location: India | could not understand the rules of between sudoku. can someone please explain |
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Posts: 69
Location: Japan | akash.doulani - 2012-07-31 6:14 PM
could not understand the rules of between sudoku. can someone please explain
Take the arrow in the bottom right block for an example.
5 (R7C8) and 8 (R8C9) are on this arrow, and this arrow points 9 (R7C7) and 4 (R9C9). 5 and 8 are larger than 4 and smaller than 9.
The same thing must be true for all arrows. |
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Posts: 148
Location: France | prasanna16391 - 2012-07-30 3:37 PM
utkaarsh - 2012-07-30 6:35 PM
Co-ordinates is my choice for the best of the lot in terms of creativity !!
I agree. I found that a really interesting idea too.
Very original indeed. I am slightly afraid that the solving may be a bit laborious (and probably error-prone), but I hope to be wrong; I haven't been able to print the IB yet, so perhaps solving the example will change my mind. Anyway, interesting rule which certainly makes it possible to create some very fun puzzles. I already have one idea or two in mind...
Just to be sure : regarding Between sudoku, digits on an arrow are always strictly larger/smaller than the two digits on the extremities, right ?
Thanks ! |
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1775
Location: India | Ours brun - 2012-08-01 1:45 AM
Just to be sure : regarding Between sudoku, digits on an arrow are always strictly larger/smaller than the two digits on the extremities, right ?
Thanks !
Looking at the IB example, yes. All digits have to be "in between" the two digits on the extremities, i.e. larger than one of them and smaller than the other. |
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Posts: 148
Location: France | Well, I know it is the case in the IB, but since I am unsure of the mathematical definition of "in between", I would prefer to be certain - although I am pretty sure Hideaki's answer will be the same as yours.  |
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Posts: 69
Location: Japan | Ours brun - 2012-08-01 1:45 AM
Just to be sure : regarding Between sudoku, digits on an arrow are always strictly larger/smaller than the two digits on the extremities, right ?
Yes. Prasanna's answer is completely correct. We use the word "between" in the strict sense. |
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Posts: 69
Location: Japan | Here are some links to practice puzzles:
gorogoro posted an (I4) Even Sandwich Sudoku in his blog ( http://sugarroad.blogspot.jp/2012/07/puzzle-033-even-sandwich-sudok... ). Quite tough but beautiful one.
In Serkan's blog ( http://yureklis.wordpress.com/2012/06/02/top-heavy-number-place/ ), there is a link to the file of Japanese Number Place Championship 2009 (English version). This file contains (C1/C4) Classic, (C5) Inequality, (I2) Odd Labyrinth and (I3) Between. |
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Diagonal Vision Author
Posts: 337
Location: Switzerland | Some really interesting innovations here. I look forward to it !
Fred |
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Location: India |
Edited by debmohanty 2012-08-02 7:29 PM
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Posts: 10
Location: India | i solved two innovations from instruction booklet - 1. even sandwich and 2. coordinates. . both are superb puzzle. . |
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Posts: 14
Location: India | How can play the sudoku puzzles any please tell me. |
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1775
Location: India | suryadevi - 2012-08-02 3:19 PM
How can play the sudoku puzzles any please tell me.
Thats a really vague question. Do you want tips on how to solve? If so, do post a specific grid on the forum where you're having trouble, and one of us will surely help. Do you want to know how to participate in the Classics vs Innovatives contest? Read through this topic - http://logicmastersindia.com/forum/forums/thread-view.asp?tid=381, I think it covers everything. If you still have doubts feel free to post again. |
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Posts: 3
Location: India | hey!! im a new entrant cn sum1 plzz temme also bought the classic n innovatives dat starts in 34hrs cuz i jst finished exams n wanna chillax so where else but doing sudokus!! so be my guest!! whoever see's dis pls reply!! |
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1775
Location: India | kritz@martin - 2012-08-02 7:04 PM
hey!! im a new entrant cn sum1 plzz temme also bought the classic n innovatives dat starts in 34hrs cuz i jst finished exams n wanna chillax so where else but doing sudokus!! so be my guest!! whoever see's dis pls reply!!
Thats a really vague question. Do you want tips on how to solve? If so, do post a specific grid on the forum where you're having trouble, and one of us will surely help. Do you want to know how to participate in the Classics vs Innovatives contest? Read through this topic - http://logicmastersindia.com/forum/forums/thread-view.asp?tid=381, I think it covers everything. If you still have doubts feel free to post again.
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Location: India | Announcements
1. Password protected pdf is uploaded. It has 8 pages, there is no cover page / points table. Each page has two sudokus.
2. As announced earlier, there is no online solving in this test.
3. Link to score page : http://logicmastersindia.com/M201208S/score.asp
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PR 2020 (Shading and Loops) Author
Posts: 668
Location: India | Nice test this time. I would have to still improve of a lot though.
Thanks to authors and LMI for organizing test and such beautiful puzzles. I really liked the innovatives and will solve the remaining later. :)
Edited by swaroop2011 2012-08-04 9:16 PM
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Classics vs. Innovatives — LMI August Sudoku Test — 4th - 6th August
