Logic Masters Deutschland e.V.

False Arrows

(Published on 13. March 2025, 16:06 by fredchen)

Rules:

  • Standard sudoku rules: place the digits 1-9 in each row, column and cage.
  • Standard anti-knight: digits on knights-move (in chess) away can’t be the same.
  • Standard palindrome: digits on a grey line must read the same in both directions.
  • Black Kropki dots: digits separated by a black dot are in a 1:2 ratio.
  • Withe Kropki dots: digits separated by a withe dot are consecutive.
  • False Arrow: the digits along a purple arrow can not sum to the digit in the bulb end. The bulb can add to something greater than 9.

For better clarity enable: Draw arrows above lines

To play the puzzle click on the picture!!!

Solution code: Row 7 from left to right (put a “-“ for each box boarder e.g 123-456-789)

Last changed on on 28. July 2025, 07:10

Solved by Shuhua Milk, SKORP17, Iluvsodah, CitrusGremlin, MarkSud, tgstar, SincereEngineer, Sarhik, Piff, Miaocik, MartinR, cg24, pseudoku, zrbakhtiar, forsen, abihummel, Chiefredhawk, IMAY1990, Fra314, ... Gorzantinopulus, Druselbert, jordanza, Carolin, Ye Nay Myo Han, Kruemmelspalter, tsosquad, K43r, NeroChaos, Jrgamer4u, Selsted, pepe74287, PinkNickels, Siempie, asver, Peti, PippoForte, aneilmac
Full list

Comments

Last changed on 22. October 2025, 10:44

on 28. July 2025, 07:10 by fredchen
Change in html code

on 27. July 2025, 03:10 by PinkNickels
Very unusual puzzle. I have played wrogns before but this one felt quite different. Nicely done. Quite enjoyable to solve. Thank you

on 30. March 2025, 03:30 by fredchen
Additional rule explanation

on 26. March 2025, 16:08 by OGRussHood
By law, every wrogn and semi-wrogn puzzle should have a 100% rating. This one is no exception.

on 16. March 2025, 16:32 by fredchen
Fra314 Thank you! Of course you can recommend it to BremSter

Last changed on 26. March 2025, 13:41

on 16. March 2025, 14:25 by Fra314
Cool arrow variant, good fun! Can I recommend it to BremSter? Thanks!

Edit: Your puzzle is live on BremSter Puzzle if you want to check it out!

on 13. March 2025, 22:07 by fredchen
SKORP17 Dankeschön

Last changed on 16. March 2025, 16:32

on 13. March 2025, 22:06 by fredchen
Solution code is finally correct

Last changed on 13. March 2025, 22:12

on 13. March 2025, 21:57 by fredchen
I‘m really sorry about the solution code. I double-checked a dozen times and on my computer the solution code is working so I don‘t know where the problem is

on 13. March 2025, 21:55 by fredchen
CitrusGremlin the arrows don‘t need to sum to a valid sudoku digit so the arrows can have a total sum of 10 or higher.

on 13. March 2025, 21:52 by Shuhua Milk
The solution code has a typo

on 13. March 2025, 21:48 by Shuhua Milk
Still not working

on 13. March 2025, 21:46 by fredchen
Hope the solution code is working now

on 13. March 2025, 21:43 by Shuhua Milk
CitrusGremlin it cannot sum to 10 or higher (as it is not a valid sudoku digit)

on 13. March 2025, 21:41 by CitrusGremlin
Question about the rules, do the arrows need to sum to a valid sudoku digit? Or can I have an arrow that sums to 10 or a even higher? I've reached a point where I can't progress without assuming the former but I'm not sure if that's valid logical thinking or not.

on 13. March 2025, 21:34 by Shuhua Milk
The code is not working (I have tried every row)

Last changed on 13. March 2025, 21:14

on 13. March 2025, 21:11 by SKORP17
der Code funktioniert auch so nicht.

on 13. March 2025, 20:54 by fredchen
Now with solution checking

on 13. March 2025, 20:47 by fredchen
Changed solution code

on 13. March 2025, 19:25 by saturnic
Code not working

on 13. March 2025, 18:43 by SKORP17
der Lösungscode (Row7) funktioniert nicht

on 13. March 2025, 17:41 by fredchen
Layout changes

Difficulty:2
Rating:95 %
Solved:55 times
Observed:12 times
ID:000MEK

Standard puzzle Puzzle variant German knowledge English knowledge Chess

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Solution code:

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