Ninethmare
(Published on 19. March 2023, 19:17 by MavericksJD)
Constraint: Killer, Knightmare, Anti-King.
Rules:
Anti King rules apply: Place the digits 1 through 9 in each empty cell. Any two cells separated by a king's move (as in chess) cannot contain the same digit.
Normal Killer rules apply: Digits cannot repeat in cages, and sum to the number in the upper-left corner of the cage.
Knightmare rules apply: Digits a Knight's move apart in chess cannot sum to 5 or 15.
You can try this on F-puzzles or
CTC
Solution code: Row 7, Column 7
Comments
on 23. May 2024, 09:54 by mezkur7
Sudokupad: https://sudokupad.app/4j345qj6s0
on 21. March 2023, 23:57 by Tilberg
Thanks! A real challenge.
Danke! Eine echte Herausforderung.
on 21. March 2023, 09:05 by Leira
Thanks, I've been looking trying to figure out where it went wrong. That helps.
MavericksJD: There might be a knightmare rule missed someonewhere since it has a unique solution. There is a 8 in r6c7 and 7 in r7c9 as per your solution code which is wrong as per knightmare rules.
