Normal Sudoku rules apply: Each row, column, and 3×3 box must contain the digits 1–9 exactly once.
Cells separated by a knight’s move in chess cannot have the same digit.
Difference Kropki dots (white): Cells joined by a white dot must have a difference of 1.
Ratio Kropki dots (black): Cells joined by a black dot must have a ratio of 2.
Renban lines (pink): Every Renban line contains a set of consecutive digits in any order, without repeats.
German whisper lines (green): Two cells connected by a German whisper line must have a difference of at least 5.
A V between two cells means the sum of the digits in those cells is 5.
Solution code: Column 1
today, 18:39 by Snookerfan
Very nice! Some midsolve trickeries needed, but really smooth over all. Thank you
today, 16:52 by ketchup_monster
Super approachable and fun puzzle.
today, 14:49 by PinkNickels
Nice one! Deserves more solves. Some fun steps along the way.
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