Logic Masters Deutschland e.V.

https://sudokupad.app/khpu92pj0n

Normal sudoku rules apply.

ANTI-KNIGHT: Cells separated by a knights move may not contain the same digit.

EQUAL SPLIT LINES (blue): Dots split blue lines into segments with equal sums.

GERMAN WHISPER (green): adjacent digits along green lines must differ by 5 or more.

DUTCH WHISPER (orange): adjacent digits along orange lines must differ by 4 or more.

RENBAN (pink): digits along pink lines must be a non-repeating set of consecutive digits, in any order.

Gray lines are both Modular and Entropic.

MODULAR (gray): any sequence of three digits along gray lines must contain a digit from {1,4,7}, one from {2,5,8}, and one from {3,6,9}.

ENTROPIC (gray): any sequence of three digits along gray lines must contain a digit from {1,2,3}, one from {4,5,6}, and one from {7,8,9}.

REGIONAL CONSTRAINT: No digit may appear more than once on each type of constraint.