Puzzles in which Dr. Wolfgang Smithanhorn is on the podium in the ranking based on moves

Also check the puzzles where Dr. Wolfgang Smithanhorn is in a specific place in the ranking based on moves:
and in the ranking based on time:

Markus Lehner sliding puzzle onlineDr. Mst. Dipl. Ing. Ped. Manualsen online puzzleFelix Chained sliding puzzle online