Logic Masters Deutschland e.V.

3 in the corner makes the difference

(Published on 5. June 2025, 22:54 by Lithium-Ion)

Normal Sudoku rules apply. Digits that are a knight's move (in chess) away are not allowed to contain identical digits. Along each red line, the difference between the digits in position x and position x+1 (where position 1 is marked by the red square) has to be x. Digits are not allowed to repeat on a red line. At least one of the four corner cells of the grid has to be a 3.
You can play this puzzle via the following link: https://sudokupad.app/dx58ed21cc

Solution code: Digits in the first column, read from top to bottom.

Solved by paranoid, dr_nectar, rjhwm3, annnz, Yoica, Postnormal, SKORP17, Exigus, grunde, nancearoo, strangelyinsane, mnhuik, KlausRG, Gullie, jgrorud, Carolin, TaeChi, lianarox, atomvic, Julianl, Isfan, Dogdayboy, Nagesh, rasmussaame, McMingus, Klook
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Comments

on 14. September 2025, 02:07 by Lithium-Ion
@Klook. Thank you for your comment. You can use some coloring and thus not have to guess anything.

on 25. July 2025, 20:15 by Klook
Was there any other way besides, right at the very start, choosing which way the longest red line would go (via 46 or via 64)? The first time I picked wrong and, naturally, didn’t get the “3 in the corner.” I had to start all over again. :)

on 7. June 2025, 20:27 by Lithium-Ion
Thank you both for your feedback. I really appreciate it.

on 6. June 2025, 20:12 by nancearoo
Gosh this took me a long time but I was proud to get to the end! Nice puzzle!

on 6. June 2025, 16:18 by Exigus
Wonderful puzzle, thanks!

Difficulty:3
Rating:84 %
Solved:26 times
Observed:3 times
ID:000NNY
Sudoku, Anti-Knight (Variant)

Enter solution

Solution code:

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