Normal sudoku rules apply, with the following standard variants:
Anti-Knight
Cells separated by a knight's move (in chess) cannot contain the same digit.
X-Sums
Clues outside the grid are the total of the first X cells from its corresponding direction, where X is the value of the first cell.
Renban
Cells on a Purple line consist of a set of consecutive numbers in any order.
Solution code: All nine digits from Column 8.
on 20. January 2024, 16:46 by PinkNickels
Excellent example of a well set, challenging 2* puzzle. This is the definition of good setting
on 9. October 2023, 06:40 by Tingo
This was a very satisfying challenge. Thanks for setting and sharing!
on 6. October 2023, 13:30 by HumanBirdsong
Very clever opening logic, well done!
on 5. October 2023, 00:27 by DanishDynamite
Lovely puzzle. Flows nicely.
on 4. October 2023, 14:24 by Flinty
Apologies, I have reactivated the puzzle with an additional X-Sum. I believe I made an error in my logic for the solve path of the original version.