PANFOPCWHTTAPA 3 (11th - 16th Nov) Score Discuss
Di... — SEPTEMBER’S CONTEST 2012 — (1st - 3rd Sep)78 posts • Page 2 of 4 • 1 2 3 4
@ 2012-08-27 10:21 PM (#8430 - in reply to #8426) (#8430) Top

kishy72



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kishy72 posted @ 2012-08-27 10:21 PM

Administrator - 2012-08-27 8:21 PM

kishy72 - 2012-08-27 8:04 PM
DI denotes something in russian?
No, names of all puzzles start with DI
(So distri's guess was closest to being correct, she guessed Diamonds which is also the name of the first puzzle)

hiii ...in puzzles 4 and 6 the content of the column is to be written from top to bottom or bottom to top?
@ 2012-08-27 10:25 PM (#8431 - in reply to #8430) (#8431) Top

prasanna16391



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prasanna16391 posted @ 2012-08-27 10:25 PM

kishy72 - 2012-08-27 10:21 PM

hiii ...in puzzles 4 and 6 the content of the column is to be written from top to bottom or bottom to top?


Since it is given as bottom to top, I think you can trust the IB ;)

Edit : Saw the given solution key and I see what you meant now, and now even I'm confused

We shall have to wait for the author to confirm either way I guess.

Administrator edits : It is always top to bottom. We'll get the text rectified.
@ 2012-08-27 10:28 PM (#8432 - in reply to #8429) (#8432) Top

prasanna16391



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prasanna16391 posted @ 2012-08-27 10:28 PM

Ours brun - 2012-08-27 10:00 PM

Am I missing something or is the solution of puzzle 13, "Division", wrong ? As I understand the rules, the "2" clue touches 2 mines and 1 ship part, therefore a total of 3 objects - which would be false. Is it correct ?


It says "or", not "and", so I assume it means the clue either applies to one or the other and not the sum of the two types of objects. We'll wait for Riad to confirm that though.
@ 2012-08-27 10:39 PM (#8433 - in reply to #8290) (#8433) Top

Ours brun




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Ours brun posted @ 2012-08-27 10:39 PM

Seems very plausible indeed, and slightly frightening. If it is confirmed, this is probably not the puzzle I will start with.
@ 2012-08-27 10:40 PM (#8434 - in reply to #8431) (#8434) Top

Administrator



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Administrator posted @ 2012-08-27 10:40 PM

prasanna16391 - 2012-08-27 10:25 PM

kishy72 - 2012-08-27 10:21 PM

hiii ...in puzzles 4 and 6 the content of the column is to be written from top to bottom or bottom to top?


Since it is given as bottom to top, I think you can trust the IB ;)
The answer key does not match with the answer key text.
Please note, it is always "Top to Bottom" (and "Left to Right", if applicable).

We will get the IB answer key text updated.
@ 2012-08-27 11:21 PM (#8435 - in reply to #8290) (#8435) Top

anurag



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anurag posted @ 2012-08-27 11:21 PM

The creativity and very narrow solve paths that show in all the puzzles the author has ever designed are very commendable and sometimes really intriguing.

Edited by anurag 2012-08-27 11:21 PM
@ 2012-08-28 12:29 PM (#8442 - in reply to #8430) (#8442) Top

Riad Khanmagomedov



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Riad Khanmagomedov posted @ 2012-08-28 12:29 PM

From top to bottom, sorry.
@ 2012-08-28 12:33 PM (#8443 - in reply to #8432) (#8443) Top

Riad Khanmagomedov



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Riad Khanmagomedov posted @ 2012-08-28 12:33 PM

In the example of the puzzle 13. Division number 2 should point to either 2 mines, or on 2 parts of ships.
@ 2012-08-28 1:49 PM (#8444 - in reply to #8290) (#8444) Top

Administrator



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Administrator posted @ 2012-08-28 1:49 PM

Question in email :
Does Di... count for the monthly test ratings or not?
No
@ 2012-08-29 8:54 PM (#8452 - in reply to #8290) (#8452) Top

Administrator



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Administrator posted @ 2012-08-29 8:54 PM

Serkan has collected some practice materials from earlier IPSTs





Attachments
----------------
Attachments Di_PRACTICE.pdf (166KB - 51 downloads)
@ 2012-08-30 1:07 AM (#8455 - in reply to #8290) (#8455) Top

Para



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Para posted @ 2012-08-30 1:07 AM

Just one question.

8. Dioxides
Can the molecules lie diagonally or are all connections orthogonally?
@ 2012-08-30 11:09 AM (#8456 - in reply to #8455) (#8456) Top

anurag



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anurag posted @ 2012-08-30 11:09 AM

All moleculues/dioxides puzzles i have seen had orthogonally connected atoms.I assume the same here.
@ 2012-08-30 1:00 PM (#8457 - in reply to #8290) (#8457) Top

Administrator



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Administrator posted @ 2012-08-30 1:00 PM

Here is the Differences puzzle from 2007 Internet Puzzle Solvers Test - Thanks Riad for sharing.



(Differences.png)



Attachments
----------------
Attachments Differences.png (40KB - 10 downloads)
@ 2012-08-30 1:50 PM (#8458 - in reply to #8290) (#8458) Top

forcolin




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forcolin posted @ 2012-08-30 1:50 PM

I remember from the old time that Osmium is one of the few elements having a possible oxydation state +8 therefore forming the tetraoxyde OsO4. So my first impression was that the puzzle is wrong. But I have consulted the literature and found that the dioxide is also possible at a lower oxydation state, so the puzzle is chemically correct.

I have a question about Dikuro. The instructions say that "no digits can repeat in a sum". but in the example posted by Serkan there are some blank boxes in which no sum is indicated. Can digits repeat in a row or in a column if no digit is show at the beginning ?
@ 2012-08-30 2:06 PM (#8459 - in reply to #8458) (#8459) Top

Administrator



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Administrator posted @ 2012-08-30 2:06 PM

forcolin - 2012-08-30 1:50 PM
I have a question about Dikuro. The instructions say that "no digits can repeat in a sum". but in the example posted by Serkan there are some blank boxes in which no sum is indicated. Can digits repeat in a row or in a column if no digit is show at the beginning ?
The format is slightly changed, and the blank boxes with no sum are replaced by "?" (also seen in the example booklet). Digits will not repeat if there is a "?" instead of a sum.

EDIT : Further clarification on Dikuro : Even at the top of the column (or left of the row) where there is no "?" or no digit (also seen in practice pdf), digits can not repeat.
Also, It will be obvious from the contest puzzle that "?" can represent 1 digit or 2 digits.
@ 2012-08-30 3:01 PM (#8460 - in reply to #8455) (#8460) Top

Administrator



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Administrator posted @ 2012-08-30 3:01 PM

Para - 2012-08-30 1:07 AM

8. Dioxides
Can the molecules lie diagonally or are all connections orthogonally?
The molecules can not be connected diagonally, they have to be joined orthogonally (as in the example).
@ 2012-08-30 8:09 PM (#8461 - in reply to #8452) (#8461) Top

kishy72



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kishy72 posted @ 2012-08-30 8:09 PM

Administrator - 2012-08-29 8:54 PM

Serkan has collected some practice materials from earlier IPSTs


great work serkan!!was desperate to see a diamond puzzle question which has all the cards from 2 to 10 and u have posted one ..good work admin!..will be of immense help if model puzzles like these are posted before any monthly puzzle test
@ 2012-08-30 8:17 PM (#8462 - in reply to #8461) (#8462) Top

prasanna16391



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prasanna16391 posted @ 2012-08-30 8:17 PM

kishy72 - 2012-08-30 8:09 PM

Administrator - 2012-08-29 8:54 PM

Serkan has collected some practice materials from earlier IPSTs


great work serkan!!was desperate to see a diamond puzzle question which has all the cards from 2 to 10 and u have posted one ..good work admin!..will be of immense help if model puzzles like these are posted before any monthly puzzle test


Well it depends on availability of the types. If they are already available, whoever is aware of it will surely link to them (like Bram did to Naoki Inaba's site in the last puzzle test). Also in the last puzzle test I made a practice puzzle or two, and so did some other authors like Gorogoro (owner of Puzzle Graffiti blog). But its not always possible, since its pretty time consuming to figure out an unfamiliar puzzle type enough to create something of it.
@ 2012-08-31 7:50 PM (#8468 - in reply to #8452) (#8468) Top

Rubben



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Rubben posted @ 2012-08-31 7:50 PM

Thanks.
@ 2012-09-01 2:54 AM (#8469 - in reply to #8290) (#8469) Top

Administrator



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Administrator posted @ 2012-09-01 2:54 AM

Announcements


• Password protected pdf is uploaded. It has 7 pages. There is no cover page.
• Link to score page : http://logicmastersindia.com/Di/score.asp


@ 2012-09-01 7:42 AM (#8470 - in reply to #8290) (#8470) Top

debmohanty




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debmohanty posted @ 2012-09-01 7:42 AM

This is a restricted thread. As you have seen during Killer Shootout :

Comments posted in the thread after the test started can only be viewed by players who have finished the test. If you are not logged in to forum or if you have not finished the test, you will see first few characters of the post.

The purpose is to encourage players to freely post comments while the test is running.
@ 2012-09-01 11:54 AM (#8471 - in reply to #8290) (#8471) Top

prasanna16391



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prasanna16391 posted @ 2012-09-01 11:54 AM

I think this is my worst performance of the year. At least for 7 puzzles I reached contradictions, and then solved them after time and realized how stupid my errors were. I liked the Yajilin a lot, but not competitively, because you never know when you miss one black cell somewhere or other, and you always have that feeling some clue might not be satisfied with the added diagonal constraint to look at. Dikuro, Digits Rotation, Disposition were among my favorites too.

Thanks for the test Riad.
@ 2012-09-01 1:41 PM (#8472 - in reply to #8290) (#8472) Top

Administrator



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Administrator posted @ 2012-09-01 1:41 PM

Announcements - Puzzle #13 DIVISION has multiple solutions.


Puzzle #13 DIVISION has multiple solutions. Please do not solve the puzzle.

@ 2012-09-01 6:33 PM (#8473 - in reply to #8290) (#8473) Top

kishy72



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kishy72 posted @ 2012-09-01 6:33 PM

got the value of the horizontal cards in the diamond puzzle as 2 3 5 7 and 10 and i placed the cards in such a way that the conditions in the question (borders dont have common segments and all diamonds should be used)got sastisfied but my answer seems to be wrong as i m not awarded points for that puzzle ..what is the error in my solution? .....i can post a pic of mine if needed?!
@ 2012-09-01 6:38 PM (#8474 - in reply to #8473) (#8474) Top

Administrator



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Administrator posted @ 2012-09-01 6:38 PM

@kishy72, Check my PM.
If you still think your answer is correct, upload your solution.
Di... — SEPTEMBER’S CONTEST 2012 — (1st - 3rd Sep)78 posts • Page 2 of 4 • 1 2 3 4
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