Werner Rittberger was a German figure skater

Figure skating

Figure skating is an Olympic sport in which individuals, pairs, or groups perform spins, jumps, footwork and other intricate and challenging moves on ice skates. Figure skaters compete at various levels from beginner up to the Olympic level , and at local, national, and international competitions...

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Rittberger invented the Loop jump

Loop jump

The Loop jump is a figure skating jump that takes off from a back outside edge and lands on the same backwards outside edge. For a jump with counterclockwise rotation, this is the right back outside edge. It is named from its similarity to the loop compulsory figure. The invention is widely...

 in 1910. German (and most other European) figure skaters call this jump “Rittberger”.

Rittberger won the German Nationals eleven times between 1911 and 1928, and the silver medal at the World Figure Skating Championships

World Figure Skating Championships

The World Figure Skating Championships is an annual figure skating competition sanctioned by the International Skating Union in which elite figure skaters compete for the title of World Champion...

 in 1910, 1911, and 1912. He skated for the Berliner SC club representing Germany.

After World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 he became a figure skating coach in Krefeld

Krefeld

Krefeld , also known as Crefeld until 1929, is a city in North Rhine-Westphalia, Germany. It is located northwest of Düsseldorf, its centre lying just a few kilometres to the west of the River Rhine; the borough of Uerdingen is situated directly on the Rhine...

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Results

Event	1910	1911	1912	1913	1920	1921	1922	1923	1924	1925	1926	1927	1928
Winter Olympic Games Winter Olympic Games The Winter Olympic Games is a sporting event, which occurs every four years. The first celebration of the Winter Olympics was held in Chamonix, France, in 1924. The original sports were alpine and cross-country skiing, figure skating, ice hockey, Nordic combined, ski jumping and speed skating...													WD
World Championships World Figure Skating Championships The World Figure Skating Championships is an annual figure skating competition sanctioned by the International Skating Union in which elite figure skaters compete for the title of World Champion...	2nd	2nd	2nd	7th							4th
European Championships European Figure Skating Championships The European Figure Skating Championships is an annual figure skating competition in which figure skaters compete for the title of European Champion...	2nd	3rd					4th		3rd	2nd
German Championships German Figure Skating Championships The German Figure Skating Championships are a figure skating national championship held annually to determine the national champions of Germany. Skaters compete in the disciplines of men's singles, ladies singles, pair skating, and ice dancing....		1st	1st	1st	1st	1st	1st	1st	1st	1st	1st	2nd	1st