Empty Chessboard
(Published today, 06:30 by addie)
Standard 9x9 sudoku rules apply.
Antiknight and Antiking: Any two cells separated by a knight's or king’s move in chess cannot contain the same digit.
Ratio Kropki Dots: Digits separated by a black dot have a 2:1 ratio. Not all dots are necessary given.
XV: Digits separated by an X sum to 10, those separated by a V sum to 5. Not all Xs and Vs are necessarily given.
Solution code: Row 2
Solved by jalebc, snuuba
