Anti-King: Cells separated by a chess king's move may not contain the same digit.
Kropki Pairs: Cells joined by a black dot must contain digits in a ratio of 2:1. Cells joined by a white dot must contain consecutive digits. Not all possible dots are given.
f-puzzles: https://f-puzzles.com/?id=2kpfyzdq
CTC: https://tinyurl.com/5n8krk2u
Solution code: Row 1 + row 9 (18 digits)
on 4. January 2023, 08:40 by Playmaker6174
A cool initial idea that delivers for a very interesting and satisfying puzzle, thank you for it :)
on 3. January 2023, 20:30 by econtrout
Surprising how this thing works, nicely set. Thanks!
on 3. January 2023, 19:18 by Kafkapharnaum
Beautiful indeed -- just the kind of my go to grids when I'm not working on my little arcane curiosities, except I could never quite attain that level of minimalism with just the 'regular' variants. Very nice construction!
on 3. January 2023, 10:38 by Elliott810
Beautiful puzzle! Thanks:)