Antiknight and Antiking: Any two cells separated by a knight's or king’s move in chess cannot contain the same digit.
Nonconsecutive: Any two orthogonally adjacent cells cannot contain consecutive digits.
X-Sums: Clues outside the grid contain the sum of the first X digits in the row or column where X is the digit in the nearest cell.
Solution code: Row 9
on 12. October 2026, 00:09 by AngusWBA
Thanks, great puzzle!
on 11. October 2026, 05:01 by Saltensity
addie-style solving was very hard for me, nevertheless still managed to finish the puzzle! A real pleasure, thank you Addie!
on 11. October 2026, 04:40 by Fisherman
A great puzzle. We're very glad that you are back.
on 11. October 2026, 01:57 by palletpusher
Certainly under 3* difficulty if one is familiar with the consequences of this ruleset, but still fun nevertheless. Thanks, addie!
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