Logic Masters Deutschland e.V.

This is an approachable puzzle from the Mindbenders Week 2026. Have fun and leave a comment.

Rules:

Standard sudoku rules apply.

Cells joined by a black dot must have a ratio of 1:2. Cells joined by a white dot must have a difference of 1. No negative constraint.

Every renban line contains a set of consecutive digits in any order, without repeats (the green part of the lines do NOT imply a german whisperer rule).

Cells separated by an X must sum to 10. Cells separated by a V must sum to 5. Not all Xs and Vs are necessarily given (no negative constraint).

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