Royal Isolation
(Published on 8. September 2025, 17:24 by Jacoba)
A sudoku with only 8 numbers with Anti-Knight and Anti-King rule.
Rules:
1. Standard Sudoku rules
2. No number can appear a knight's move away from itself, under the rules of chess. (Anti-Knight)
3. No same digit appears in any neighboring cell, not even diagonally. (Anti-King)
to solve using Sudokupad
Rules:
1. Standard Sudoku rules
2. No number can appear a knight's move away from itself, under the rules of chess. (Anti-Knight)
3. No same digit appears in any neighboring cell, not even diagonally. (Anti-King)
to solve using Sudokupad
Solution code: Last row
Last changed on on 8. September 2025, 17:25
Solved by jalebc, SKORP17, Simon Yuan, Altynbek , Megalobrainiac, Joyofrandomness, Fisherman, MonsieurTRISTE, Dentones, rinvel0, jadezki, PinkNickels, c373s, LordBidoof, SPring, by81996672, tiredsudoku, ... Stargazing Albatross, Ryaffio, Bankey, Katuize, dtoto, wotmania505, paranoid, 99jau99, hector2704, addie, dendrobium, Elainejyl, gadgetgreen, zonka, BellBear, RadchenkoAleksandr, weiken, Tacosian
Comments
on 22. September 2025, 09:32 by gadgetgreen
The moment I was brave enough to work on 8s it fell apart. Love these puzzles. Thanks
on 12. September 2025, 09:00 by Bankey
Fun puzzle. Thanks, @ Jacoba :).
on 9. September 2025, 23:22 by Mip
IMO, if you're doing anti-chess rules, normal sudoku rules should somehow mention "Anti-Rook"
on 8. September 2025, 21:50 by PinkNickels
Very satisfying solve! Thanks for sharing with us.
