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Sudoku Déjà vu - LMI October Sudoku Test - 5th to 8th Oct38 posts • Page 1 of 2 • 1 2
@ 2018-10-01 6:41 PM (#25865) (#25865) Top

Administrator



2000100050020
Country : India

Administrator posted @ 2018-10-01 6:41 PM

Author - David McNeill

More details coming soon!
@ 2018-10-02 4:15 PM (#25878 - in reply to #25865) (#25878) Top

Administrator



2000100050020
Country : India

Administrator posted @ 2018-10-02 4:15 PM

Instruction Booklet


IB is available at http://logicmastersindia.com/lmitests/dl.asp?attachmentid=742

The test page will be up shortly.

@ 2018-10-02 9:32 PM (#25883 - in reply to #25865) (#25883) Top

mstang




Posts: 74
202020
Country : United States

mstang posted @ 2018-10-02 9:32 PM

Huh, interesting.

Is it allowed for later deja vu puzzles to use 'elements' from earlier deja vu puzzles?
@ 2018-10-03 1:04 PM (#25890 - in reply to #25865) (#25890) Top

David McNeill



Posts: 63
202020
Country : United Kingdom

David McNeill posted @ 2018-10-03 1:04 PM

Thanks for your question. In theory this might be possible but I decided not to allow it in this contest.
@ 2018-10-03 4:22 PM (#25903 - in reply to #25865) (#25903) Top

Feadoor



Posts: 22
20
Country : United Kingdom

Feadoor posted @ 2018-10-03 4:22 PM

The number of Deja Vu puzzles is equal to the number of normal puzzles - is this an indicator that each Deja Vu puzzle borrows from a different normal puzzle, or do you leave open the possibility that the same puzzle could be used for multiple Deja Vu puzzles?

(You may give the latter answer even if it is the case that each normal puzzle is used exactly once, but you don't want to make that information known prior to the contest).

Edited by Feadoor 2018-10-03 4:22 PM
@ 2018-10-03 4:43 PM (#25904 - in reply to #25865) (#25904) Top

David McNeill



Posts: 63
202020
Country : United Kingdom

David McNeill posted @ 2018-10-03 4:43 PM

Thanks for your question. I don't want to rule out any other possibilities at this point. I hope it will be clear when you tackle the contest itself.
@ 2018-10-04 4:53 PM (#25956 - in reply to #25865) (#25956) Top

gurjot



Posts: 2

Country : India

gurjot posted @ 2018-10-04 4:53 PM

Sorry, I did not understand the deja vu concept. Can someone please elaborate?
@ 2018-10-05 5:19 PM (#25991 - in reply to #25865) (#25991) Top

rob



Posts: 170
100202020
Country : Germany

rob posted @ 2018-10-05 5:19 PM

That was fun, and quite a rush to get Déjà Vu 3 out in the last couple seconds after I spent way too much time figuring out the rule.

I also had a bit of trouble with Déjà Vu 2 since original triples also satisifed some regularity in the differences (1-2-3 or 2-4-6), but the bottom left corner of the puzzle ruled that out quickly.

Great concept and execution!

(The feedback form is a bit broken, the question for favorite puzzles offers score accuracy responses.)
@ 2018-10-05 9:38 PM (#25999 - in reply to #25865) (#25999) Top

An LMI player



An LMI player posted @ 2018-10-05 9:38 PM

 What was your opinion of the distribution of easy/hard puzzles? Just right
 What did you think about the puzzle quality of the test? Fairly Nice


@ 2018-10-05 11:17 PM (#26000 - in reply to #25865) (#26000) Top

Yuhei Kusui



Posts: 42
2020
Country : Japan

Yuhei Kusui posted @ 2018-10-05 11:17 PM

 What was your opinion of the distribution of easy/hard puzzles? Just right
 What did you think about the puzzle quality of the test? Very nice
 Which set of puzzles did you like the most? Deja Vu 3
 Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? Most puzzles were worth the right amount


@ 2018-10-06 10:42 AM (#26005 - in reply to #25865) (#26005) Top

7vik_ja9



Posts: 1

7vik_ja9 posted @ 2018-10-06 10:42 AM

How to participate in this contest
@ 2018-10-06 11:20 AM (#26008 - in reply to #25865) (#26008) Top

Kwaka



Posts: 25
20
Country : South Korea

Kwaka posted @ 2018-10-06 11:20 AM

 What was your opinion of the distribution of easy/hard puzzles? Just right
 What did you think about the puzzle quality of the test? Very nice
 Which set of puzzles did you like the most? Deja Vu 4
 Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? Most puzzles were worth the right amount


@ 2018-10-07 12:35 AM (#26033 - in reply to #25865) (#26033) Top

tamz29



Posts: 225
10010020
Country : Thailand

tamz29 posted @ 2018-10-07 12:35 AM

Oof. Its one of those tests where you blaze through all but one puzzle and end up fumbling aimlessly for that last answer.
Nonetheless, it was a fun diversion from the usual.
Thanks!
@ 2018-10-07 2:08 AM (#26034 - in reply to #25865) (#26034) Top

An LMI player



An LMI player posted @ 2018-10-07 2:08 AM

 What was your opinion of the distribution of easy/hard puzzles? Just right
 What did you think about the puzzle quality of the test? Very nice
 Which set of puzzles did you like the most? Deja Vu 5
 Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? Most puzzles were worth the right amount


@ 2018-10-07 2:21 AM (#26035 - in reply to #25865) (#26035) Top

An LMI player



An LMI player posted @ 2018-10-07 2:21 AM

 What was your opinion of the distribution of easy/hard puzzles? Too many hard puzzles
 What did you think about the puzzle quality of the test? Fairly Nice
 Which set of puzzles did you like the most? Deja Vu 2
 Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? Most puzzles were worth the right amount


@ 2018-10-07 11:53 AM (#26040 - in reply to #25865) (#26040) Top

Ziti



Posts: 42
2020
Country : United States

Ziti posted @ 2018-10-07 11:53 AM

 What was your opinion of the distribution of easy/hard puzzles? Too many medium difficult puzzles
 What did you think about the puzzle quality of the test? Very nice
 Which set of puzzles did you like the most? NFIG Sudoku
 Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? Most puzzles were worth the right amount


@ 2018-10-07 1:09 PM (#26043 - in reply to #25865) (#26043) Top

kishy72



Posts: 417
100100100100
Country : India

kishy72 posted @ 2018-10-07 1:09 PM

 What was your opinion of the distribution of easy/hard puzzles? Just right
 What did you think about the puzzle quality of the test? Very nice
 Which set of puzzles did you like the most? Anti Knight Sudoku
 Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? Most puzzles were worth the right amount


Thanks David for the extremely fascinating puzzles ! I had great fun solving the set.Being super bad at puzzles without instructions(a mere 125 points at WSC instructionless round) it took me a hell lot of time to figure out the rules and breaking a 12 pointer towards the end of the solve after having deduced the rules derailed me unfortunately).But, nevertheless, I enjoyed this fun weekend contest !
@ 2018-10-07 1:38 PM (#26045 - in reply to #25865) (#26045) Top

An LMI player



An LMI player posted @ 2018-10-07 1:38 PM

 What was your opinion of the distribution of easy/hard puzzles? Just right
 What did you think about the puzzle quality of the test? Very nice
 Which set of puzzles did you like the most? NFIG Sudoku
 Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? Most puzzles were worth the right amount


@ 2018-10-07 4:06 PM (#26052 - in reply to #25865) (#26052) Top

pranavmanu



Posts: 55
2020
Country : India

pranavmanu posted @ 2018-10-07 4:06 PM

 What was your opinion of the distribution of easy/hard puzzles? Just right
 What did you think about the puzzle quality of the test? Very nice
 Which set of puzzles did you like the most? Deja Vu 5
 Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? Most puzzles were worth the right amount


Exceptional test.Had a frustrating blind eye in Deja vu 4 for the consecutive shaded cells logic,which i couldn't spot after staring at the AK for so long.Favourites are Deja Vu 5,2 and No 4 in a grow.
Thanks to David Mcneill for this superb set.
@ 2018-10-07 4:43 PM (#26053 - in reply to #25865) (#26053) Top

TiiT



Posts: 139
10020
Country : Estonia

TiiT posted @ 2018-10-07 4:43 PM

 What was your opinion of the distribution of easy/hard puzzles? Just right
 What did you think about the puzzle quality of the test? Very nice
 Which set of puzzles did you like the most? Anti Knight Sudoku
 Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? Most puzzles were worth the right amount


@ 2018-10-07 4:49 PM (#26054 - in reply to #25865) (#26054) Top

detuned



Posts: 152
1002020
Country : United Kingdom

detuned posted @ 2018-10-07 4:49 PM

 What did you think about the puzzle quality of the test? Very nice
 Which set of puzzles did you like the most? Deja Vu 4
 Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? Most puzzles were worth the right amount


Nice contest - and although I found the anti-knight brutal, I suspect that's just me missing a trick
@ 2018-10-07 9:21 PM (#26058 - in reply to #25865) (#26058) Top

Kithyane



Posts: 49
2020
Country : France

Kithyane posted @ 2018-10-07 9:21 PM

This is a very nice set of sudoku, thank you David !
I had the most trouble with the diagonal but managed it in the end. I didn't get the Déjà Vu 3 rule, can someone enlighten me ?
@ 2018-10-07 11:12 PM (#26059 - in reply to #26058) (#26059) Top

rob



Posts: 170
100202020
Country : Germany

rob posted @ 2018-10-07 11:12 PM

Kithyane - 2018-10-07 9:21 PM

This is a very nice set of sudoku, thank you David !
I had the most trouble with the diagonal but managed it in the end. I didn't get the Déjà Vu 3 rule, can someone enlighten me ?


If you want a hint, one of the instruction booklet examples was similar.

If you want to be spoiled, addition of two digit numbers by row/column.
@ 2018-10-08 12:12 AM (#26060 - in reply to #26005) (#26060) Top

Administrator



2000100050020
Country : India

Administrator posted @ 2018-10-08 12:12 AM

7vik_ja9 - 2018-10-06 10:42 AM

How to participate in this contest

- Go to the test page and login.
- Download the Instruction Booklet and read it. ideally solve the examples.
- Download the Puzzle Booklet.
- Click on "Start Deja vu" button. Password will be displayed.
- Use the password to open the pdf.
- Enter your answers within the time window. (Timer will be displayed on test page)
- Check the results.

For Online mode,
- Click on Online link.
- Solve the sudokus on the screen.
- Submit once the answer keys are completely entered.

More details at http://logicmastersindia.com/forum/forums/thread-view.asp?tid=381
@ 2018-10-08 12:15 AM (#26061 - in reply to #25956) (#26061) Top

Administrator



2000100050020
Country : India

Administrator posted @ 2018-10-08 12:15 AM

gurjot - 2018-10-04 4:53 PM

Sorry, I did not understand the deja vu concept. Can someone please elaborate?

You have already participated but Deja vu concept is as below:

- There is an extra constraint in each Déjà Vu puzzle which has already been seen in an earlier sudoku.
- The shaded squares in the Déjà Vu puzzle are in exactly the same arrangement as an earlier sudoku.
- The constraints are exhibited by the given digits and might be easier to spot before solving the puzzles.
- Other than that, solve like a classic sudoku.

This is already explained in the IB too.
Sudoku Déjà vu - LMI October Sudoku Test - 5th to 8th Oct38 posts • Page 1 of 2 • 1 2
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