Logic Masters Deutschland e.V.

Negative Knights

(Published on 24. June 2026, 00:00 by addie)

Standard 9x9 sudoku rules apply.

Antiknight: Any two cells separated by a knight's move in chess cannot contain the same digit.

Palindromes: Digits along a grey line must read the same forwards and backwards.

Quadruples: Digits in white circles must be present at least once in the cells the clue touches.

XV: Digits separated by an X sum to 10, those separated by a V sum to 5. All Xs and Vs are given.

Solve on Sudokupad

Solution code: Row 3

Last changed on -

Solved by Joyofrandomness, ___, fuxia, Bjd, Fisherman, strangelyinsane, Fizz, jalebc, SocratesRanz, MartinR, jadezki, IMAY1990, Starlight, Adaki, Morphismic, Crul, b413x, M8tyw31, Shmartus, agenthans, Piff, ... Clara123, JPlay, RebelSystem, matthew.v, Corey115, PippoForte, Netra, Finn, tjmas, Jrosas, JMK, thintheboxking, TitaniaLowe, pmatos, mang0, qmxqmx123, jordanza, chiya, Omnicole, Jesper, megabat
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Comments

on 8. July 2026, 11:55 by Jrosas
A great puzzle. Hard and fun.

on 8. July 2026, 11:46 by Jrosas
A great puzzle. Hard and fun.

on 28. June 2026, 20:43 by QuiltyAsCharged
A very nice puzzle with many subtle interactions to track down. Right between 3-4 * difficulty

on 27. June 2026, 08:38 by puzzlepandit
Some deductions seems to be hard. But once you solved it, its satisfactory.

Last changed on 26. June 2026, 16:07

on 26. June 2026, 16:07 by Exigus
Tough but very cool. Thanks!

on 25. June 2026, 20:54 by Onkel_Dagobert
Boy that was hard, 90 minutes. But fun still!

on 25. June 2026, 12:57 by Snookerfan
Great coloring puzzle with lovely disambiguations! Enjoyed that, thanks!

on 25. June 2026, 03:50 by RedBarchetta
Had to restart three times because my head wanted to separate 7 and 8! Nice puzzle!

on 24. June 2026, 21:09 by galium_odoratum
Fun coloring puzzle!

Difficulty:3
Rating:97 %
Solved:155 times
Observed:2 times
ID:000TE4

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