Hi,
Are you sure that https://www.openstreetmap.org/way/1323938748 is a riding centre (leisure=horse_riding)? On PDOK aerial it looks like a riding arena, similar to https://www.openstreetmap.org/way/1079532359 (tags: leisure=pitch + sport=equestrian); compare https://wiki.openstreetmap.org/wiki/Tag:leisure=horse_riding