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Forsmarts 10th Anniversary Contest — 1st-3rd December
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Administrator
Subject: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-11-23 6:28 AM (#9010) (#9010) Top


200010010020
Location: India




Administrator
Subject: RE: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-11-23 6:34 AM (#9011 - in reply to #9010) (#9011) Top


200010010020
Location: India

Logic Masters India announces Forsmarts Xth Anniversary Contest

Author : Vladimir Portugalov

Dates : 1st - 3rd December

IB and Submission Link : here

Note : Although classified as annual contest, this will be included in monthly ratings.

Akuma21
Subject: Re: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-11-24 1:23 AM (#9012 - in reply to #9010) (#9012) Top




Posts: 22
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Location: Italy
Hi, last puzzle is only a classic sudoku? Why a diagonal is marked?
Para
Subject: Re: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-11-24 1:40 AM (#9013 - in reply to #9012) (#9013) Top




Posts: 297
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Location: The Netherlands
Akuma21 - 2012-11-24 1:23 AM

Hi, last puzzle is only a classic sudoku? Why a diagonal is marked?


The grey cells will contain the digit X from the puzzle 1-9. Row 1 contains the digit encoded by X in puzzle 1. Row 2 will contain the digit encoded by X in puzzle 2. Same goes with Rows 3-9 and Puzzles 3-9. So it's not a "marked" diagonal.
All digits X from the top puzzles go in the top Sudoku. All digits X from the bottom puzzles, go in the bottom Sudoku.
It's all explained in the instruction booklet.
Para
Subject: Re: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-11-24 1:44 AM (#9014 - in reply to #9010) (#9014) Top




Posts: 297
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Location: The Netherlands
One question:
Does each puzzle solve independently or is the X-clue influenced by digits it can't be because of the last Sudoku?
forsmarts
Subject: Re: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-11-24 3:25 AM (#9015 - in reply to #9014) (#9015) Top


forsmarts 13th Anniversary Contest Author

Posts: 21
20
Location: Belarus
Para - 2012-11-24 1:44 AM

One question:
Does each puzzle solve independently or is the X-clue influenced by digits it can't be because of the last Sudoku?


You can try to use the possibilities for Xs from Sudoku, but it's not mandatory as all the puzzles 1-9 are solvable independently.

Edited by forsmarts 2012-11-24 3:46 AM
prasanna16391
Subject: Re: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-11-25 4:14 AM (#9016 - in reply to #9010) (#9016) Top


WSPC Organizer

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I'll have to be extra careful in this one with the 3 separate answer keys. I think if rows/columns are rightly placed one can safely assume that the decryption has been done correctly, especially since the solver knows that part may be required later.
forsmarts
Subject: Re: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-11-25 10:54 PM (#9017 - in reply to #9010) (#9017) Top


forsmarts 13th Anniversary Contest Author

Posts: 21
20
Location: Belarus
Prasanna,
"Cryptic sequence" is rarely more than 5 digits long, so you can treat it as the "feature" of this test, not taking much time and attention. But the rows/columns will surely need all your attention, I really don't want to take away any points in case of mistypes, but I'll have to. Also I'd like to remind everyone to pay double attention to which row/column you're describing, last year there were surprisingly lot of entrances of the wrong rows/columns.

Edited by forsmarts 2012-11-25 10:57 PM
prasanna16391
Subject: Re: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-11-25 11:12 PM (#9018 - in reply to #9017) (#9018) Top


WSPC Organizer

Posts: 1324
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forsmarts - 2012-11-25 10:54 PM

Prasanna,
"Cryptic sequence" is rarely more than 5 digits long, so you can treat it as the "feature" of this test, not taking much time and attention. But the rows/columns will surely need all your attention, I really don't want to take away any points in case of mistypes, but I'll have to. Also I'd like to remind everyone to pay double attention to which row/column you're describing, last year there were surprisingly lot of entrances of the wrong rows/columns.


Sorry, just to confirm again. I think its a wrong way to interpret this if I feel you'll be lenient on the Cryptic Sequence aspect of the key, as long as the rows/columns part is correct?
forsmarts
Subject: Re: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-11-26 12:04 AM (#9019 - in reply to #9010) (#9019) Top


forsmarts 13th Anniversary Contest Author

Posts: 21
20
Location: Belarus
I expect all the keys to be correct in order to get the points, as always. Whether I decide to satisfy the "claim points" appeal when the "cryptic sequence" is wrong - depends on each individual case, but I wouldn't count on it :)
tamz29
Subject: Re: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-11-26 9:51 AM (#9020 - in reply to #9019) (#9020) Top




Posts: 152
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Location: Thailand
Is it a rule that the cryptic has to be numbers from 1-N?
Like All-Seeing Snake, number set is not consecutive.
But in Minesweepers, number set is consecutive from 1-N.

Also, can the cryptic be one of the givens?
In Thermometers, 1 is given and is not in the cryptic.
In Four Winds, 2 is given and is not in the cryptic.
Is this a coincidence or a rule?

forsmarts
Subject: Re: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-11-26 2:40 PM (#9022 - in reply to #9020) (#9022) Top


forsmarts 13th Anniversary Contest Author

Posts: 21
20
Location: Belarus

Is it a rule that the cryptic has to be numbers from 1-N?
Like All-Seeing Snake, number set is not consecutive.
But in Minesweepers, number set is consecutive from 1-N.


Hidden numbers can be from a range 0-N, not necessary consecutive as can be seen from All-seeing Snake example.


Also, can the cryptic be one of the givens?
In Thermometers, 1 is given and is not in the cryptic.
In Four Winds, 2 is given and is not in the cryptic.
Is this a coincidence or a rule?


It is a coincidence, don't drop any possibilities based on the givens.
alberto
Subject: Re: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-11-26 4:27 PM (#9023 - in reply to #9010) (#9023) Top


Sudoku Grand Prix - Italian Round Author

Posts: 20
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Location: Italy
A question about number 0.
In some puzzles (sudoku difference, futoshiki, all-seeing snake, abc-box, classic sudoku) it' obvious that a 0 cannot appear.
In other puzzles (slither link, minesweeper) it's possible and very probably it will be.
But in first seen coral, thermometers and four winds? Usually, it doesn't, but can you confirm all my interpretations?

Thanks

Alberto
forsmarts
Subject: Re: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-11-27 2:44 AM (#9024 - in reply to #9023) (#9024) Top


forsmarts 13th Anniversary Contest Author

Posts: 21
20
Location: Belarus
alberto - 2012-11-26 4:27 PM
A question about number 0.
In some puzzles (sudoku difference, futoshiki, all-seeing snake, abc-box, classic sudoku) it' obvious that a 0 cannot appear.
In other puzzles (slither link, minesweeper) it's possible and very probably it will be.
But in first seen coral, thermometers and four winds? Usually, it doesn't, but can you confirm all my interpretations?

I agree with your observations. In common: where it's natural for zero to appear among the givens - you should take this option into account.
Kota
Subject: Re: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-11-27 5:51 PM (#9025 - in reply to #9010) (#9025) Top




Posts: 24
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Location: Japan
I think this set will be as difficult as till last year...
BTW, in the example answer of Sudoku Difference, R3C2(5) is wrong. it must be 4.
forsmarts
Subject: Re: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-11-27 6:14 PM (#9026 - in reply to #9025) (#9026) Top


forsmarts 13th Anniversary Contest Author

Posts: 21
20
Location: Belarus
Kota - 2012-11-27 5:51 PM
I think this set will be as difficult as till last year...

It won't be easy, you're right :) But I've tried to make it easier than last year.

BTW, in the example answer of Sudoku Difference, R3C2(5) is wrong. it must be 4.

Sorry for that mistype.
sanket.saxena
Subject: Re: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-11-29 11:11 PM (#9032 - in reply to #9010) (#9032) Top




Posts: 48
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Location: india
Is this competition available in online mode ???
prasanna16391
Subject: Re: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-11-30 2:10 AM (#9033 - in reply to #9032) (#9033) Top


WSPC Organizer

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sanket.saxena - 2012-11-29 11:11 PM

Is this competition available in online mode ???


There will be no online solving for this test.
David McNeill
Subject: Re: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-12-01 5:31 PM (#9037 - in reply to #9010) (#9037) Top


Triplets & Triangles Author

Posts: 55
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Location: United Kingdom
In the thermometers example puzzle, a 1 is given as an outside clue. Is it just coincidence that none of the letters stands for a 1?
Administrator
Subject: Re: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-12-01 5:34 PM (#9038 - in reply to #9037) (#9038) Top


200010010020
Location: India
David McNeill - 2012-12-01 5:31 PM

In the thermometers example puzzle, a 1 is given as an outside clue. Is it just coincidence that none of the letters stands for a 1?
Just a coincidence, as mentioned above in this thread.
rob
Subject: Re: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-12-02 1:17 AM (#9039 - in reply to #9010) (#9039) Top


Classics & Regions (PR 2016/17) Author

Posts: 123
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So... I had a lot of trouble finding a logical approach to many of the puzzles on this test, and am a little unsure whether I just failed there, or whether trial and error is how you're meant to go. Particularly since some puzzles (the Futoshiki and ABC-Box puzzles, say) had a nice solution path.

Thanks for making the test regardless.
FoxFireX
Subject: Re: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-12-02 5:02 AM (#9040 - in reply to #9010) (#9040) Top





Posts: 35
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Location: USA
Out of curiosity, what changed in the puzzle booklet? It looks like a new one was uploaded while I was working on the puzzles. (Did better than I expected; from the IB, this was pretty intimidating, and most of the puzzles were just as confounding as I expected.)
Administrator
Subject: Re: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-12-02 5:59 AM (#9042 - in reply to #9010) (#9042) Top


200010010020
Location: India
Slitherlink top had multiple solutions (because of which Classic Sudoku top also had multiple solutions). This was fixed in the puzzle booklet.
Players who had started before the fixed booklet uploaded will get points for submitting any of the correct solutions.

(I thought I posted this in forum, but it looks like I just typed it, and may be closed my browser.)
FoxFireX
Subject: Re: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-12-02 6:28 AM (#9043 - in reply to #9042) (#9043) Top





Posts: 35
20
Location: USA
Hah. Maybe that explains why it seemed unusually easy for me. :)
ksun48
Subject: RE: Forsmarts 10th Anniversary Contest — 1st-3rd December @ 2012-12-02 9:15 AM (#9046 - in reply to #9010) (#9046) Top




Posts: 29
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Location: USA
can the letters be 0?
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