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Posts: 28
Location: Austria | With Sum10/Multiple, are all black marks given?
I.e., is it possible in Sum10 that two neighboring numbers sum up to 10 and have no black square between them?
Is it possible for Multiple Sudoku that two neighboring numbers are a multiple of each others but have no black square between them? |
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Location: India | euklid - 2011-09-25 10:39 PM
With Sum10/Multiple, are all black marks given?
I.e., is it possible in Sum10 that two neighboring numbers sum up to 10 and have no black square between them?
Is it possible for Multiple Sudoku that two neighboring numbers are a multiple of each others but have no black square between them?
All black marks are not given. So converse rule does not apply.
Edited by debmohanty 2011-09-25 11:44 PM
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SM 2020 (Math) Author
Posts: 157
Location: India | @deb and bastien. thanks a lot for clarifying my doubts. |
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Posts: 139
Location: Estonia | Is there a double solution in Greater/Lesser sudoku in Instruction Booklet? 7's & 8's in Box 6, 8 and 9. |
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SudoClones Author
Posts: 18
Location: France | TiiT - 2011-09-27 11:47 PM
Is there a double solution in Greater/Lesser sudoku in Instruction Booklet? 7's & 8's in Box 6, 8 and 9.
Not for me because of the 7 between L8C3 et L8C4. |
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Posts: 139
Location: Estonia | OH ok, now I understand the rules. I think. I got it wrong first. I should always read all the rules more carefully. |
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Location: India | All examples can now be solved online in the submission page ( http://logicmastersindia.com/M201110S/ ) |
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Location: India | While testing the sudokus, Rakesh asked me if it is allowed make 2 copies of the booklet. I didn't answer his question, but I think he printed only a single copy.
There is discussion in sudokuvariante forum that one of the strategy could be printing 2 copies, and solving using different rules on separate copies.
The reasons I'm bringing it up here is
1) I want to make sure that everyone knows that this is a strategy that some player might want to follow
2) More importantly, I feel, just like an offline competition where only one set of printout is allowed, one should use only one set of printout for this test.
3) Most importantly, without revealing much about what to expect in actual sudokus, I can say that printing two copies will not help one solving faster.
Edited by debmohanty 2011-09-28 7:54 PM
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Location: India | Announcements
1) Bonus pointsPlayers submitting all 12 correctly will get .9 points per minute
Players submitting all 12, but 1 incorrect with maximum 3 incorrect digits will get .6 points per minute saved.
As usual, bonus points will be computed from the time "Claim Bonus" is clicked.
So, click on "Claim Bonus" as soon as you think you are done.
2) Sudoku Booklet Password protected sudoku booklet is uploaded.
It has 6 pages. Each page has 2 sudokus. There is no cover page / points table.
3) Read the instruction booklet carefullyThere are more rules than a usual sudoku test has. So please read the IB carefully.
Converse rules doesn't apply to all Sudokus.
Please ask here in case of doubts
4) Score page |
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Diagonal Vision Author
Posts: 337
Location: Switzerland | debmohanty - 2011-09-28 7:53 PM
While testing the sudokus, Rakesh asked me if it is allowed make 2 copies of the booklet. I didn't answer his question, but I think he printed only a single copy.
There is discussion in sudokuvariante forum that one of the strategy could be printing 2 copies, and solving using different rules on separate copies.
The reasons I'm bringing it up here is
1) I want to make sure that everyone knows that this is a strategy that some player might want to follow
2) More importantly, I feel, just like an offline competition where only one set of printout is allowed, one should use only one set of printout for this test.
3) Most importantly, without revealing much about what to expect in actual sudokus, I can say that printing two copies will not help one solving faster.
I read this on Hideaki Jo's blog first. I'm not sure I understood well, because I'm not a specialist of japanese translation  . I thought it was an interesting point, so I report this on my forum. Thanks for clarifying (and for reading sudokuvariante ) !
Fred |
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Location: India | Fred76 - 2011-10-01 6:42 AM
I thought it was an interesting point, so I report this on my forum. !
Precisely the same reason I posted in this forum :-) and my French is probably as good as your Japanese
Edited by debmohanty 2011-10-01 6:47 AM
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Location: India | Attention :
If you are solving online, you need not submit again using paper mode. It consumes time and error prone. |
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Posts: 199
Location: United States | Excellent puzzles. Thanks for the fun test! |
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Posts: 43
Location: United States | Deb - Really well done, nice set of puzzles. Enjoyed it! Cheers, Dave |
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WCPN Author
Posts: 191
Location: The Netherlands | Really nice and very beautiful puzzles Deb!
I enjoyed
- the grids themselves and
- the solving
both very much!
Thanks |
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Posts: 328
Location: India | Wonderful as expected................Thanks a lot Deb for making me enjoy the weekend |
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1782
Location: India | Really nice puzzles. Was just probably 10 seconds away from completing an LMI test for the first time. Ah well guess I'll have to wait longer :P But really enjoyed it. |
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Posts: 23
Location: United States | Big fan of this variant test. Not a fan of killer sudokus, or non-9x9's in contests. When you stay within the constraints of the usual and just add little extra constraints you can rely on all your standard sudoku techniques and just look for the extra direction. First time I have ever bonused on LMI, so very happy about that as well.
Love this site and appreciate all the time that you put in constantly to keep me and all the other world puzzlers entertained.
Much thanks.
TheSubro |
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Posts: 123
Location: India | The puzzles are very well designed. Thanks a lot Deb.
Though I am not a fan of sudoku I enjoyed the test a lot.
I liked one thing about the test i.e the two variants concept, in usual tests each sudoku is of only one type but in this I guess almost all the variants are covered in such a way, that to solve you need to know both the variants mentioned for each sudoku, thus making everyone to learn more than one variant (atleast in my case) :)
Thanks
Ravi. |
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Posts: 4
Location: United Kingdom | Very enjoyable test, although can I put a request in for 6 extra points? I finished the Sequence/Palindrome puzzle early on in the test, but I noticed I hadn't input the answer when I was checking everything at the end. I hurriedly input the answer key and pressed 'submit' with about 6 seconds remaining but I was told that I couldn't submit as the test was over. It hardly makes a difference to my position but at least I will feel my time solving that puzzle wasn't wasted!
Thanks
Rodders |
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Location: India | Sudoku A or B is now over. Thank you everyone for taking time to participate. Hope you enjoyed the easy set.
Top 3 : motris (76:04), TiiT (76:16), Fred76 (84:12)
17 other players completed all sudokus correctly before time. Congratulations everyone.
LMI sudokus tests have been bit hard in last few months. Here are the number of players completing all sudokus in last 5 months - May : 0, Jun : 1, Jul : 0, Aug : 0, Sep : 0. So I decided to keep this test bit longer than needed so that many players get a chance to try and complete all sudokus. I am really happy to see that apart from the regular ones, many new players have completed the set.
About the Sudokus : Apart from Odd Even View / Outside view, most sudokus were easy. I think it was possible to find the logic to determine the correct rule for each sudoku. I'm glad that everyone generally liked the concept of A/B, but I felt I could have used more interlinking uses of the rules in some cases to make the grids more interesting. I'm not sure if I could have achieved that without raising the difficulty level. All I can say is, I'm really tempted to write "Sudoku C or D" sometime in the future.
Some stats :
# of participants : 204
# of Non zero scores : 170
# of players submitting all sudokus : 29
# of players getting all sudokus correct : 20
Average time for the 20 players : 102 minutes
3 best buddies get India top 3 positions : Rohan(97:28), Pras and Tejal. |
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Location: India | Many thanks to Branko and Rakesh for pre testing the Sudokus. Branko's timing were especially impressive.
Thanks to David Millar for creating the logo. |
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1782
Location: India | Looking forward to C or D :D |
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WSPC Organizer
Posts: 739
Location: India | The fun on the 'A or B' style of solving is to first solve the grid as a normal classic, get as many numbers as possible, and then try to find a contradiction in one of the rules, rather than choosing one and solving until you go wrong or reach the solution. Most of the sudokus were so neatly made. Even/Neighbours and Quadro/MultiTable were phenomenal!
C or D definitely on the cards. |
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Mean Minis (2020) Author
Posts: 774
Location: India | I found half of the grids tough while test solving. However, finding the right variant was mostly easy and elegant.
Looked at the score and noticed that the ratings (as of now) hover between 7.46 and 8.25 for all sudokus - which effectively means that the grids had consistent quality about them and almost all sudokus were highly rated by at least some competitors. Probably this test has the lowest standard deviation ever across grids. |
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WSPC 2017 • Schedule • Participation • Location • WSC • WPC • Contact •Search •Recent
A or B — LMI October Sudoku Test — 1st and 2nd October
