Logic Masters Deutschland e.V.

Links: f-puzzles link
CTC app link

Rules:

• -Standard sudoku rules.
• -Consecutive pairs : white dots separate cells containing consecutive digits. Not all white dots are given.
• -159xyz : A digit x in column 1 row y indicates that rxcy contains a 1. A digit x in column 5 row y indicates that rxcy contains a 5. A digit x in column 9 row y indicates that rxcy contains a 9

I was hesitant to post this one (it dates back to september 2021) as the ruleset can feel very painful to scan for some solvers. But I am rather proud of it as a setter and I think it's pleasant to solve and surprising if you get comfy enough with the rule, so here it is.
Some help for the scanning : compared to standard 159, the referred digit is the symetric cell along the negative diagonal (ie in 159, a 7 in r3c1 would put a 1 in r3c7, here it puts a 1 in r7c3). The candidates in a cell of col 1 gives the position of 1 in the column corresponding to that cell's row (ie if r1c4 can only have 2 4 or 9, then column 4 contains a 1 in either r2, r4 or r9 and nowhere else).
I labelled it 4 stars difficulty, but only because of the scanning issues. If scanning is ok it will feel more like a 2 or 3 stars (ie some solvers will solve it in 10 minutes top)

Hope you will enjoy the solve! :)