Colours in the (k)night XV
(Published on 11. October 2025, 14:58 by Villse)
Next installment in my “Colours in the (k)night” series. I hope you enjoy it :)
Links to the previous parts of the series are given after the rules.
Irregular Sudoku rules apply. Place the digits 1–9 once in every row, column, and marked region.
Anti-Knight: Cells separated by a knight’s move in chess cannot contain the same digit.
Kropki dots: Cells separated by a black dot must have a 1:2 ratio. All possible dots are given.
Little killer: Digits along marked diagonals sum to the number indicated outside the grid.
Solve online:Sudokupad
Solve online:Sudokupad (Version with thicker region lines)
Happy solving!
Here are the links to the previous parts of the series:
Solution code: Row 9 (9 digits)
Comments
on 24. October 2025, 12:24 by Onkel_Dagobert
Super fun!
on 21. October 2025, 08:17 by snuuba
Very beautiful, many thanks
on 21. October 2025, 04:22 by iEtsh
LOVED IT !
on 20. October 2025, 08:57 by Fredxl
Having now solved this great puzzle, I only now realise the kropki negative constraint! Maybe I accidentally made a logical leap somewhere, but if not, I guess that can make it more challenging
on 17. October 2025, 12:29 by Blackophelia
I don’t normally solve many 2 star puzzles, bu5 this was lovely!
on 12. October 2025, 18:09 by imperius
Very fun and enjoyable. Amazing series.
on 12. October 2025, 12:29 by Franjo
Nice and easy exercise in grid coloring. Thank you very much for creating and sharing.
on 12. October 2025, 09:13 by Inge
Beautiful!
on 11. October 2025, 23:06 by vitaminz
One of my favorites in a great series
on 11. October 2025, 19:26 by vitaminz
One of my favorites in a great series
on 11. October 2025, 18:34 by Frankster
(For me) this is by far the most approachable puzzle in the series so far. Very enjoyable!
