Disjoint Knight
- Killer cages
- Anti-knight
- Kropki dots
- Arrows
- Odd and even cells
The brief
- Normal Sudoku rules apply.
- Cells separated by a knight's move in chess cannot contain the same digit.
- Disjoint Set: Digits must not repeat at corresponding box positions.
- Digits in a cage do not repeat and sum to the clue in the top left.
- The digits along each arrow must sum to the digit in the circled cell.
- Cells with a filled square must be even.
- A black dot between cells indicates cell values with a 2:1 ratio. Not all dots are shown.