A Colorful Knight
(Published on 23. June 2025, 00:08 by ebiggie)
RULE SET:
Normal Sudoku rules apply. Place the digits 1 through 9 in each row, column, and box.
ANTI-KNIGHT: Cells separated by a knight’s move in chess cannot have the same digit.
GLOBAL MODULO-3. Every 2x2 square of cells must contain digits of residues modulo 3. One digit from (1,4,7), one from (2,5,8), and one from (3,6,9).
ENTROPIC (GREY): Any set of three sequential cells along a grey line must contain a low digit (1,2,3), middle digit (4,5,6) and high digit (7,8,9).
KROPKI: Cells separated by a white dot are consecutive. Not all dots are given.
XV PAIRS: Cells separated by a "X" must sum to 10, and cells separated by a "V" must sum to 5. Not all XV pairs are given.
Click the Link to Play: Sudokupad
Solution code: Please provide the digits from row 1 (left to right):
Comments
on 24. June 2025, 23:30 by Onkel_Dagobert
Boy this was hard, but great logic and very satisfying once the break-in was done. Colouring helped a lot, like always in modulo puzzles.
on 23. June 2025, 14:57 by Exigus
Almost a miracle sudoku with such little given, but the global constraints work wonders. Thanks!
