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Location: India | Logic Masters India announces October Puzzle Test 1 — Nikoli Selection
Date : 9th and 10th October
Puzzle Types : 15 Selected puzzle types from nikoli.com — 18 main puzzles + 3 Marathon puzzles
Author : Tom "detuned" Collyer
Length : 100 minutes
IB and Submission Link : http://logicmastersindia.com/M201010P1
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Posts: 40
Location: China | Chinese translation of rules are available on http://www.sudokufans.org.cn/forums/index.php?showtopic=118 |
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Mean Minis (2020) Author
Posts: 774
Location: India | I am unable to understand the Hitori answer key with respect to the given example. |
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Location: India | rakesh_rai - 2010-10-03 2:36 PM
I am unable to understand the Hitori answer key with respect to the given example. answer key should be 21022. Updated in IB. |
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Mean Minis (2020) Author
Posts: 774
Location: India | For LITS, does "consecutive" mean "connected" squares?
"Consecutive" normally means four squares through which a single continuous path can be drawn. In that case, we cannot make a T with consecutive squares. |
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Location: India | Yes, it is "connected". |
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Triplets & Triangles Author
Posts: 63
Location: United Kingdom | Is it possible to provide a link to a "real" Suraromu puzzle? I have never seen one of these before and do not subscribe to nikoli.
Thank you,
David McNeill. |
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Location: India | Tom had shared few links with us
http://www.nikoli.co.jp/en/puzzles/suraromu/
http://mathgrant.blogspot.com/search/label/Circumnavi-Gates
http://mathgrant.blogspot.com/2009/12/rules-circumnavi-gates.html (for Rule)
Hope that helps.
A slight variation : http://mellowmelon.wordpress.com/category/puzzle-types/slalom/
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WSPC Organizer
Posts: 739
Location: India | Can we solve the three marathon puzzles before the 1st 18? |
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PR 2020 (Casual and Word) Author
Posts: 349
Location: India | Yes you can, but it might be preferable to solve the 18 basic puzzles first to ensure a time bonus.
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WSPC Organizer
Posts: 542
Location: India | For the LITS puzzle, do we need to use all the pieces i.e L, I, T, S at least once?
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PR 2020 (Casual and Word) Author
Posts: 349
Location: India | It is not necessary to use all pieces. The rules do not require that.
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Location: India | Rohan Rao - 2010-10-04 9:28 PM
Can we solve the three marathon puzzles before the 1st 18? As mentioned in the IB, The "point value" of a main puzzle > The "point value" of a marathon puzzle > The "point value" of time bonus
[ "Point Value" is points you get for spending a minute ]
To secure more points, you should be doing the main puzzles first. |
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Mean Minis (2020) Author
Posts: 774
Location: India | For Numberlink, does every cell need to be filled? The rules currently do not say so, but it seems to be implied (indirectly) as the answer key has no mention of blank cells.
The IB mentions marathon puzzles as "...finest tradition of fold out Nikoli puzzles..." - What is meant by fold out puzzles? Does it mean large puzzles which exceed the regular page size? |
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Location: India | rakesh_rai - 2010-10-05 2:13 PM
For Numberlink, does every cell need to be filled? The rules currently do not say so, but it seems to be implied (indirectly) as the answer key has no mention of blank cells. Lets wait till Tom comments on this tomorrow. In the meantime I suggest take a look this wonderful analysis by Tom on using-all-cells-in-NumberLink
http://blogs.warwick.ac.uk/tcollyer/entry/friday_puzzles_71/
Also, the very very nice primer by mellowmelon on how to solve Numberlinks : http://mellowmelon.wordpress.com/2010/07/24/numberlink-primer/
rakesh_rai - 2010-10-05 2:13 PM
The IB mentions marathon puzzles as "...finest tradition of fold out Nikoli puzzles..." - What is meant by fold out puzzles? Does it mean large puzzles which exceed the regular page size?
I myself have never seen traditional "fold-out" Nikoli puzzles. I'll be surely interested in seeing one, if anyone can share.
But, yes, the "marathon" puzzles are little larger than the "main" puzzles :-) |
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Posts: 199
Location: United States | Nikoli's main magazine is about 15cm by 25 cm which is good for having several "standard" puzzles on a page but not always for very large puzzles, so each one has a fold-out page with two extra large puzzles that is 30 cm by 25 cm. Nikoli puzzles come in certain standard sizes, so types like Masyu tend to be 10x10 or 18x10 or 17x17 in white cells. A fold-out puzzle is 64x50 typically, and takes at least an hour for the "expert time" (Nikoli puzzles come with time ratings sometimes).
I have a feeling these are not true fold-out puzzles, but are certainly very large. There is an intermediate size - what I'd call a "full-page" Nikoli puzzle - which are 31x45. A whole magazine, "Giants", has just full-page and fold-out puzzles and is my favorite thing to purchase since each puzzle is very carefully constructed but takes awhile to solve. Nikoli has also released 2 "poster" sized kakuro (124 x 90) and slitherlink (178 x 128), which are quite formidable challenges, probably taking at least a day if not a week to finish, considering possible mistakes. See here: Large Kakuro |
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Mean Minis (2020) Author
Posts: 774
Location: India | Thanks Deb and MoTriS. The links on numberlink were quite a good read. Hopefully, it will help me (and many others) to solve the numberlink in the coming LMI puzzle test. Also, after looking at the picture of the kakuro poster, the slim chances of trying even one of the marathon puzzles have become even slimmer.
No partial bonus this time? |
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Posts: 152
Location: United Kingdom | rakesh_rai - 2010-10-05 2:13 PM
For Numberlink, does every cell need to be filled? The rules currently do not say so, but it seems to be implied (indirectly) as the answer key has no mention of blank cells.
There is no requirement that all cells need to be used for numberlink, and there are plenty of examples where all squares haven't been used, however I'd say it's pretty likely that all the cells will be used in the answer keys at least, given that oversight. If you read MellowMelon's primer, you can decide for yourself whether this extra information will be of any practical use. :)
The "marathon puzzles" are big enough to sensibly fill an A4 page, without being too small. Motris is right in assuming they are big, but not THAT big. |
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Location: India | rakesh_rai - 2010-10-06 9:25 AM
No partial bonus this time?
After discussing with Tom, this is what we decided.
Keeping in mind that WPC is only few weeks away where you *mostly* get 0 for a wrong answer, there is no partial bonus this time.
Also the bonus system is already fairly complex with the marathon puzzles. |
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Location: India | Announcements
1. For HEYAWAKE in main section -
The answer key will be different that what it is specified in the IB
New Answer key: Enter the number of shaded cells in the 3th row, followed by the number of shaded cells in the 3rd column.
For the example the answer is 0,2
2. For HEYAWAKE in marathon section
The answer key is same as what it was mentioned in the IB. Enter the number of shaded cells in the marked rooms.
3. For Kakuro (both main and marathon section)
Instead of rows / columns, some sums will be marked. Players need to enter the digits for them.
Answer Key : Digits in marked horizontal sum 11, followed by digits in marked vertical Sum 24
For the example posted above : The answer is 5132, 798 |
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Location: India | The puzzle booklet will be uploaded around mid-night (IST).
For all puzzles where rows and columns are to be entered - they will be explicitly marked in the puzzle booklet by arrows.
The puzzles in the booklet will be sorted in ascending order of points.
P01 - Numberlink
P02 - Hashi
P03 - Sudoku
P04 - Surarumo
P05 - Akari
P06 - Masyu
P07 - Fillomino
P08 - Hitori
P09 - Slitherlink
P10 - Shikaku
P11 - Yajilin
P12 - Nurikabe
P13 - Kakuro
P14 - Yajilin
P15 - Heyawake
P16 - LITS
P17 - Nurikabe
P18 - Slitherlink
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Location: India | Password protected pdfs uploaded.
Note that the marathon puzzles are in a separate pdf.
Both the pds share the same password (which obviously will be displayed after you start the test)
Password for marathon pdf is different than main puzzle pdf. Both passwords will be displayed after you start the test
edited by debmohanty at 2010-10-09 6:20 PM |
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Posts: 152
Location: United Kingdom | At this point, I'd just like to thank all the help and support I got from Deb and testers - absolutely top stuff guys and this wouldn't have happened without you! |
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Location: India | "Nikoli Selection" has started. All the best to everyone. |
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PR 2020 (Casual and Word) Author
Posts: 349
Location: India | We would like to apologize for mistakes in some of the puzzles.
1) The LITS image in the pdf is incorrect. We have uploaded an updated pdf. So all participants who are yet to participate please download the updated version.
2) The Nurikabe 10X10 puzzle is incorrect.
3) The Numberlinks puzzle has multiple solutions.
4) The Heyawake marathon puzzle is incorrect.
Extremely sorry for participants have already taken the test. I am sure you must have had a great time solving the rest of the puzzles. Hope it will serve as great practice for the WPC.
Password for marathon pdf is different than main puzzle pdf. Both passwords will be displayed after you start the test |
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Nikoli Selection - LMI October Puzzle Test 1
