Logic Masters Deutschland e.V.

This puzzle is an ambiguous-kropki hidden-magic-square star-battle chaos-construction puzzle.

RULES

Chaos Construction: Divide the grid into nine 9-cell large non-overlapping regions. Place the digits 1-9 once each in every row, column, and region. EIGHT of those regions are orthogonally connected.

Star Battle: The ninth region consists of nine disjoint cells that act as stars in a star-battle puzzle. Each row and column contains one of those stars and the stars may not touch each other, not even diagonally.

Hidden Magic Square: There is a hidden magic square in the grid. Each cell in the magic square belongs to a different region. (A magic square consists of a 3×3 box containing the digits 1-9 placed in such a way that the sum of the digits in every row, column, and main diagonal yields the same result).

Ambiguous Kropki Dots: The gray dots in the grid represent either white dots or black dots, to be determined by the solver. Cells joined by a white dot belong to the same region and contain consecutive digits. Cells joined by a black dot belong to different regions and contain digits in a 2:1 ratio. Not all dots are necessarily given.

This is a fairly hard puzzle. I think solvers will likely rate it as either 4 or 5 out of 5 difficulty level. Solvers with experience in solving star battle and chaos construction puzzles may find it a bit easier than that.

I appreciate solves, comments, and suggestions

Solve the puzzle at Penpa+ with answer check. To trigger the answer check you must fill all the digits and delineate the region borders using green edges.