SudoKanard

  Antiknight Sudoku Standard Sudoku rules apply. Any two cells separated by a chess knight's move must contain different digits. Penpa link: https://tinyurl.com/2ptmqtsf

 Antiknight Quadruples Sudoku Normal Sudoku rules apply. Place the digits 1 through 9 in each empty cell. Digits must not repeat within the same row, column, or box. Circled digits where four cells meet must be present as values in those four cells. Digits must not repeat in cells that are a chess knight's move apart. Solve on Penpa: https://tinyurl.com/ydcqof5n Solve on CtC:  https://bit.ly/3CxYxJf

 Antiknight Sudoku Standard Sudoku rules apply. Each pair of cells separated by a chess knight's move must contain different digits. https://tinyurl.com/y729cq4q