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Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May
   LMI Tests -> Monthly Sudoku and Puzzle Tests53 posts • Page 1 of 3 • 1 2 3
Administrator
Subject: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-03 2:23 PM (#7186) (#7186) Top


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rajeshk
Subject: Re: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-04 3:30 PM (#7189 - in reply to #7186) (#7189) Top


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Looking forward to this test

Administrator
Subject: Re: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-06 10:50 PM (#7192 - in reply to #7189) (#7192) Top


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Logic Masters India announces May 2012 Sudoku Test — Sudoku 8X8

Dates : 12th - 14th May

IB and Submission Link : http://logicmastersindia.com/M201205S/

Author : ZUZKA HROMCOVÁ & MATÚŠ DEMIGER

There are 2 parts, each of 64 minutes.
Fred76
Subject: RE: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-07 4:41 AM (#7193 - in reply to #7186) (#7193) Top



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Will there be a special prize for the player finishing in 8th position?
prasanna16391
Subject: RE: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-07 5:04 AM (#7194 - in reply to #7193) (#7194) Top


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Fred76 - 2012-05-07 4:41 AM

Will there be a special prize for the player finishing in 8th position?


Nope. 64th
devarajand
Subject: Re: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-07 7:46 AM (#7196 - in reply to #7186) (#7196) Top




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Can one take a break between part A and B
sinchai4547
Subject: Re: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-07 10:19 AM (#7197 - in reply to #7186) (#7197) Top




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In X sum sudoku: the clue is on the right puzzle at column 4. The number 8 is wrong. 9 is correct?
deu
Subject: Re: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-07 10:45 AM (#7198 - in reply to #7186) (#7198) Top




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I have one question about B6 (Surplus-deficit sudoku).
Are there any restrictions for regions with exactly 8 cells?
vopani
Subject: Re: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-07 10:51 AM (#7199 - in reply to #7196) (#7199) Top


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devarajand - 2012-05-07 7:46 AM

Can one take a break between part A and B

It does not say you have to take both parts together and 'independent parts' surely implies that you can take as long a break in between as you like. Also, I'm sure you can participate in Part B before Part A if you wish, there doesn't seem to be any restriction.
vopani
Subject: Re: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-07 10:55 AM (#7200 - in reply to #7197) (#7200) Top


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sinchai4547 - 2012-05-07 10:19 AM

In X sum sudoku: the clue is on the right puzzle at column 4. The number 8 is wrong. 9 is correct?

Yes, you are correct. it should be '9' on the RHS of row4.
vopani
Subject: Re: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-07 11:03 AM (#7201 - in reply to #7186) (#7201) Top


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In B14: Odd-Even View Skyscraper Sudoku,
What is the use of 'skyscraper'? Isn't it simply an 'Odd-Even View Sudoku'?
Administrator
Subject: Re: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-07 11:12 AM (#7202 - in reply to #7199) (#7202) Top


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Rohan Rao - 2012-05-07 10:51 AM

devarajand - 2012-05-07 7:46 AM

Can one take a break between part A and B

It does not say you have to take both parts together and 'independent parts' surely implies that you can take as long a break in between as you like. Also, I'm sure you can participate in Part B before Part A if you wish, there doesn't seem to be any restriction.

There will absolutely be no restrictions between two parts. Breaks are allowed. And you are allowed to start part B before part A.
Administrator
Subject: Re: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-07 11:23 AM (#7203 - in reply to #7201) (#7203) Top


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Rohan Rao - 2012-05-07 11:03 AM

In B14: Odd-Even View Skyscraper Sudoku,
What is the use of 'skyscraper'? Isn't it simply an 'Odd-Even View Sudoku'?
Yes, it is Odd Even View Sudoku.
deu
Subject: Re: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-07 11:32 AM (#7204 - in reply to #7203) (#7204) Top




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Administrator - 2012-05-07 11:23 AM

Rohan Rao - 2012-05-07 11:03 AM

In B14: Odd-Even View Skyscraper Sudoku,
What is the use of 'skyscraper'? Isn't it simply an 'Odd-Even View Sudoku'?
Yes, it is Odd Even View Sudoku.


No. The example has multiple solutions as an 'Odd-Even View Sudoku' (We can swap 5 and 6 in Column 2/3).
vopani
Subject: Re: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-07 11:38 AM (#7205 - in reply to #7203) (#7205) Top


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The total points is 808 and time is 128 minutes. That means, a player who finishes all puzzles within the time limit is solving at the speed of at least 6-7 (and maybe more) points per minute, whereas the time bonus is just 3 points per minute. I think the time bonus should be increased.

In particular, players completing Part A and Part B would be solving at a speed greater than 5.5 points per minute and 7 points per minute respectively. The time bonus of 3 points per minute looks meager and will surely not give a good indication of the different of performances of players who complete the test before time.

Obvious Issue: Players completing Part B should be given a higher time bonus than those completing Part A.
Administrator
Subject: Re: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-07 11:39 AM (#7206 - in reply to #7204) (#7206) Top


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deu - 2012-05-07 11:32 AM

Administrator - 2012-05-07 11:23 AM

Rohan Rao - 2012-05-07 11:03 AM

In B14: Odd-Even View Skyscraper Sudoku,
What is the use of 'skyscraper'? Isn't it simply an 'Odd-Even View Sudoku'?
Yes, it is Odd Even View Sudoku.


No. The example has multiple solutions as an 'Odd-Even View Sudoku' (We can swap 5 and 6 in Column 2/3).
Apologies. My mistake.
greenhorn
Subject: Re: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-07 11:45 AM (#7207 - in reply to #7206) (#7207) Top


Wacky Slovak Classics Author

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Administrator - 2012-05-07 11:39 AM

deu - 2012-05-07 11:32 AM

Administrator - 2012-05-07 11:23 AM

Rohan Rao - 2012-05-07 11:03 AM

In B14: Odd-Even View Skyscraper Sudoku,
What is the use of 'skyscraper'? Isn't it simply an 'Odd-Even View Sudoku'?
Yes, it is Odd Even View Sudoku.


No. The example has multiple solutions as an 'Odd-Even View Sudoku' (We can swap 5 and 6 in Column 2/3).
Apologies. My mistake.


There is a difference between OEVS and OEVSS. If you have in one row numbers "213..." the first visible odd skyscraper is 3, because 1 is covered by 2.
greenhorn
Subject: Re: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-07 11:48 AM (#7208 - in reply to #7205) (#7208) Top


Wacky Slovak Classics Author

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Rohan Rao - 2012-05-07 11:38 AM

The total points is 808 and time is 128 minutes. That means, a player who finishes all puzzles within the time limit is solving at the speed of at least 6-7 (and maybe more) points per minute, whereas the time bonus is just 3 points per minute. I think the time bonus should be increased.

In particular, players completing Part A and Part B would be solving at a speed greater than 5.5 points per minute and 7 points per minute respectively. The time bonus of 3 points per minute looks meager and will surely not give a good indication of the different of performances of players who complete the test before time.

Obvious Issue: Players completing Part B should be given a higher time bonus than those completing Part A.



Yes, we know about it. We will talk about it with Deb soon. The bonuses may be changed.
vopani
Subject: Re: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-07 11:51 AM (#7209 - in reply to #7207) (#7209) Top


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greenhorn - 2012-05-07 11:45 AM

There is a difference between OEVS and OEVSS. If you have in one row numbers "213..." the first visible odd skyscraper is 3, because 1 is covered by 2.

Ok. I get it. The example doesn't have any such case, so it was misleading. Thanks.
prasanna16391
Subject: Re: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-07 12:21 PM (#7210 - in reply to #7209) (#7210) Top


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Rohan Rao - 2012-05-07 11:51 AM

greenhorn - 2012-05-07 11:45 AM

There is a difference between OEVS and OEVSS. If you have in one row numbers "213..." the first visible odd skyscraper is 3, because 1 is covered by 2.

Ok. I get it. The example doesn't have any such case, so it was misleading. Thanks.


It did have a few examples I think, not exactly like the 213, but skyscraper logic was required. The "2" below R6C5 had to be satisfied in the first cell itself, since the 5 would block vision towards the 2. This is not the case in Even Odd View I guess, you could've had 5 in the first cell and 2 in the next with the "2" outside clue. (I'm saying this with memory of solving yesterday, so the placements may be a bit off, but the logic was there)
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Subject: Re: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-07 12:59 PM (#7211 - in reply to #7198) (#7211) Top


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deu - 2012-05-07 10:45 AM

I have one question about B6 (Surplus-deficit sudoku).
Are there any restrictions for regions with exactly 8 cells?

We will update the instructions - "In regions with less than or equal to 8 cells, the numbers should not repeat."
greenhorn
Subject: Re: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-07 1:01 PM (#7212 - in reply to #7198) (#7212) Top


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deu - 2012-05-07 10:45 AM

I have one question about B6 (Surplus-deficit sudoku).
Are there any restrictions for regions with exactly 8 cells?


In the competition, there will be no regions with 8 cells.
In the IB, you should aply both rules at once - in region with 6 cells no digits may repeat and each digit should appear at least once.
swaroop2011
Subject: Re: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-07 2:38 PM (#7213 - in reply to #7186) (#7213) Top


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will the sizes be same in the competition as in the IB like 6*6 and all or all will be 9*9 ??
greenhorn
Subject: Re: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-07 2:50 PM (#7214 - in reply to #7213) (#7214) Top


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This test is all about Sudoku 8x8, so all the puzzles will have such size.

Edited by greenhorn 2012-05-07 2:51 PM
swaroop2011
Subject: Re: Sudoku 8X8 — LMI May Sudoku Test — 12th-14th May @ 2012-05-07 3:13 PM (#7215 - in reply to #7214) (#7215) Top


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greenhorn - 2012-05-07 2:50 PM

This test is all about Sudoku 8x8, so all the puzzles will have such size.


yeah thanks

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