Logic Masters Deutschland e.V.

Thanks to cornishjohn for testing!

Rules:

• Normal sudoku rules apply.

• Cells that are a chess king's move apart must not contain the same digit.

• Digits must not repeat on the marked major diagonals.

• Cells along a purple renban line contain a set of consecutive, non-repeating digits in any order.

• A triangle points to the smaller digit of the two cells it connects.

• The sum of all the digits on each yellow line is the same.