Logic Masters Deutschland e.V.

Revisiting a years old Puzzle. Mark solved the first one (Knight time 1) years ago in CTC

Happy Solving!!

===Rules for this puzzle:===

Normal Sudoku rules apply.

Cells separated by a chess knight's move don’t contain identical digits.

Two main diagonals of the grid marked by the black lines don't contain repeated digits.

Region Sum: The red lines are region sum lines. Sum of the digits on a region sum line is same in different boxes it passes through.

Renben: Each Purple line contains a set of non repeating consecutive digits in any order.

Killer sum: Digits in each cage sum to the total given in the corner of each cage.
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f-puzzle link:

f-puzzle-(Knight time 2)