Logic Masters Deutschland e.V.

Krazy Kropki (UPDATE: featured on CTC)

(Eingestellt am 26. Juli 2025, 00:55 Uhr von Dave Brenn)

My puzzle was featured on CTC! It’s a huge honor, thank you to everyone who play tested and helped me work on this idea. The team at CTC also managed to find a much simpler way to handle the rules by simply putting all the digits adjacent to a dot in a cage. This means I don’t need the clunky phrasing to include cage totals AND individual digits. It’s all just cage totals now, hopefully that will be more clear.
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Rules
  • Normal sudoku rules apply: Place the digits 1–9 once each in every row, column, and 3×3 box.
  • Multiplier: Each 3×3 box contains a UNIQUE multiplier. The value of the multiplier is the digit in the upper left square of that box. (e.g. if r1c4 is 5, then the multiplier for box 2 is 5).
  • Cages: All digits in a cage are summed together and treated as a single value for the purpose of Kropki relationships.
  • KRAZY Kropki dots: Cage totals separated by a black Krazy Kropki dot are in a ratio of X:1 (i.e., one cage total is X times the value of the other), where X is the multiplier for the 3×3 box containing that dot.
  • Crossing boxes: If a Krazy Kropki dot lies on the border between two boxes, the player must determine which of the two box multipliers to apply to that dot. (e.g. if box 8 has a multiplier of 3 and box 9 has 7, a dot between them could represent either a 3:1 or 7:1 ratio).
  • Note: Not all dots (Krazy or otherwise) are necessarily given.

Lösungscode: The negative diagonal (top left to bottom right)

Zuletzt geändert am 26. Juli 2025, 03:20 Uhr

Gelöst von Starlight, raaaaa, MPQ, CaballeroOscuro, zeniko, SKORP17, Cryccu, Mattisahuman, MikeMeech, Morisenseiisgod, Illuminated, Proxima, Atoro
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Kommentare

am 26. Juli 2025, 10:58 Uhr von zeniko
Congratulations on being featured!

I only realized after the solve, that this was the same as 000O7L (except for the mentioned simplification which you could also have applied in an update to the original). Nonetheless, I agree with solvers there that this is a 2* puzzle with a nice flow. Thanks for sharing.

Zuletzt geändert am 26. Juli 2025, 03:16 Uhr

am 26. Juli 2025, 03:12 Uhr von raaaaa
For the sake of rule consistency, I think r7c2 should also have a killer cage.

***
OOPS! I missed that one, good catch. I’ll fix it

Schwierigkeit:3
Bewertung:N/A
Gelöst:13 mal
Beobachtet:1 mal
ID:000ODQ

Lösung abgeben

Lösungscode:

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