Hi,
https://www.openstreetmap.org/way/1245870551 isn't a riding centre, it is just an outdoor riding arena. In OSM these arenas are usually tagged leisure=pitch + sport=equestrian, and iD has a preset for them that sets these tags.
See also:
https://wiki.openstreetmap.org/wiki/RU:Tag:leisure%3Dpitch#Примеры
https://www.openstreetmap.org/way/1216173307 (siimilar)