Logic Masters Deutschland e.V.

9 or 10 Knightmare

Rules:

Normal Sudoku rules apply: Fill the grid with digits 1-9 in each row, column, and 3x3 box.

Anti-Knight: No identical digits can be placed a knight's move away from each other.

Killer cage: Digits within each cage must be unique and sum to the specified clue.

9-10 ambiguity: A white circle between two cells means their sum must be either 9 or 10.

Solve Online (Sudokupad) : Answer check is enabled.

This is my first sudoku as a setter, I would love to receive your feedback!

Puzzle: