Logic Masters Deutschland e.V.

Kristóf Milák, a 21-year-old Hungarian swimmer broke the olympic record in 200 metres butterfly (his time was 1.51.25), but unfortunately he wasn't able to beat his own world record from 2019, where he smashed the previous one set by Michael Phelps.

Normal Sudoku rules apply. Each row, column, and 3x3 box contains each number from 1 to 9 exactly once.

Killer Sudoku rules apply. The sum of all numbers in a cage (marked with dashed lines) must match the small number printed in its corner. No number appears more than once in a cage.

Little Killer Sudoku rules apply. Digits in a diagonal pointed at by an arrow, sum up to the number behind the arrow. The digits on a diagonal may repeat.

Renban Sudoku rules apply. The purple lines contain sets of consecutive digits in any order, without repeats.

The gold medal is an odd digit. The coloring is just design.

The puzzle is also available online.