Logic Masters Deutschland e.V.

Chaos Construction: Split Killers

(Eingestellt am 14. August 2022, 05:00 Uhr von XeonRisq)

  • The digits 1 to 9 must appear once in every row, column, and region. Regions are to be determined by the solver, and must be a set of nine orthogonally connected cells.
  • Numbers cannot repeat in a cage and must sum to the given total in the top left corner.
  • -Each cage must belong to at least two regions, AND the sum from each region within a cage must be the same.
  • Clues outside the grid give the sum of the first X digits in their respective row or column, where X is the digit nearest the clue.
  • F-puzzles link - link to solve online
  • CtC link - link to solve online

Lösungscode: Row 4 followed by a "-", then Column 2 (insert "-" where a region border is located, not including edge of grid)

Zuletzt geändert am 14. August 2022, 19:54 Uhr

Gelöst von KNT, cdwg2000, jkuo7, Bjd, Loktide, twobear, pippilotta, deltameth, Isa, Steven R, bansalsaab, AvonD, Dentones, marcmees, Chilly, zeecomoon, Blobz, flatbread, mausi19la03, Franjo, wildbush7, ... misko, GentlemanJim, Mody, codewizard, Christounet, lsw770770, dogfarts, Lavender Gooms, ManuH, h5663454, jsalomon, Bankey, Racteal, Kavman15, Saskia, ONeill, tuckerbucket, isajo4002, zzw, Tacosian
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Kommentare

Zuletzt geändert am 10. Mai 2023, 16:29 Uhr

am 3. Mai 2023, 18:47 Uhr von Bankey
Great puzzle. But I got the "solved" yay on the CTC app even before the regions were completed. Also, the solution code (though it says "not including edge of grid) was not accepted until I placed a " -" after entering the row 4 digits and before entering the column 2 digits.

Thanks for such a fun puzzle, @ XeonRisq :)
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Glad you had fun with this one. I got on a chaos construction kick and this was something I had been meaning to try. This one does allow for sudoku to complete before regions, but that happens from time to time with these.
Also, the solution code does say : Row 4 followed by a "-", it's just kinda hidden in the description.

Zuletzt geändert am 31. Januar 2023, 03:36 Uhr

am 18. Januar 2023, 05:16 Uhr von h5663454
Great puzzles! But it's also very difficult...

But after I finished this puzzle last night, I didn't notice until today that there is another clue in the bottom right corner that I didn't use at all in the previous puzzle solving process...
This may answer why I feel that the difficulty of this question is greater than 4 stars...
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Appreciate the solve and detailed feedback, but all the outside clues help push this along to the finish line. It's been a while since I've looked at this one, but I would imagine that excluding an outside clue may push the difficulty up a level or two..

Zuletzt geändert am 26. Oktober 2022, 16:42 Uhr

am 16. Oktober 2022, 22:05 Uhr von Christounet
Very nice ! The logic involving cages disambiguation and region construction in the later half of the solve was fun. Thanks
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You are quite welcome and appreciate the kind words and the solve.

Zuletzt geändert am 16. August 2022, 21:20 Uhr

am 16. August 2022, 20:50 Uhr von wenchang
Nice Setting! Spoiler alert for the video.

https://youtu.be/vbcN1Dm2ydQ
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Thanks again for the feature and the kind remarks. Enjoyed watching you hit on the different deductions along your solve path, very entertaining and very nice solve.

Zuletzt geändert am 16. August 2022, 21:15 Uhr

am 16. August 2022, 19:20 Uhr von StephenR
Thanks, a very absorbing puzzle and satisfying solve. Don't think I've seen this particular combination of rules before.
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You're very welcome and appreciate the feedback. BremSter created a CC Killer puzzle with a more simplified ruleset, which is where I got the idea for this one. But yeah, the ruleset creates the opportunity for some interesting logic.

Zuletzt geändert am 15. August 2022, 04:45 Uhr

am 14. August 2022, 23:04 Uhr von marcmees
nice. thanks.
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Your welcome, appreciate giving the puzzle a spin and the kind words.

Zuletzt geändert am 14. August 2022, 21:13 Uhr

am 14. August 2022, 19:28 Uhr von AvonD
You missed a dash between 7 and 4 in solution code. Cool puzzle!
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Corrected, thanks for the heads up. Thanks for the solve and glad you enjoyed the puzzle.

am 14. August 2022, 16:33 Uhr von XeonRisq
Updated solution code to include regions by way of deltameth's suggestion.

Zuletzt geändert am 14. August 2022, 16:18 Uhr

am 14. August 2022, 13:09 Uhr von deltameth
I love chaos constructions. This one is very nice.
Agree with the previous comments but they could be easily resolved if you include in the solution code some symbol (usually "-") to indicate region borders in the given row/column
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Yeah, this happens sometimes in Chaos Construction puzzles, but I do like the idea of putting -'s in the solution for when this is a possibility. Thanks for the feedback and the solve.

Schwierigkeit:4
Bewertung:95 %
Gelöst:57 mal
Beobachtet:3 mal
ID:000ATJ

Variantenkombination Online-Solving-Tool

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