Logic Masters Deutschland e.V.


(Eingestellt am 13. Februar 2022, 04:37 Uhr von wooferzfg)

This puzzle was created by Jakhob and wooferzfg. It is the first puzzle in the uN-Chained Puzzle Pack, which focuses on a Sudoku variant called N-Chains.


An N-Chain is a set of N cells in a row or column that point to each other in a path to form a cycle. Here is an example of a 5-Chain in a row:

The 7 points to column 7, which has a 4.
The 4 points to column 4, which has a 5.
The 5 points to column 5, which has a 3.
The 3 points to column 3, which has a 2.
The 2 points to column 2, which has a 7, completing the 5-Chain.

N-Chain Clues

A pair of colored boxes in a row or column indicates that there is an N-Chain that stays between the boxes and includes both boxes. The length of the N-Chain is given in the top left corners of the boxes. Blue boxes show N-Chains in rows, and red boxes show N-Chains in columns.

Here is a 6x6 example puzzle:

Play on CTC

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Normal Sudoku and N-Chain rules apply.

Cells separated by a black dot must contain digits in a 1:2 ratio. Cells separated by a white dot must contain consecutive digits. Not all dots are given.

Play on CTC

Play on f-puzzles

In case you get stuck, we created a walkthrough video.

Lösungscode: Row 2 followed by Row 8

Gelöst von Jakhob, SenatorGronk, efnenu, Crul, SpaceWilly, cfop, marcmees, manushand, randomra, SKORP17, Raistlen, SirSchmoopy, nmouzakitis, Godrick, awesomesauce, nyxie, PatientMustard
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