Wikipedia:Articles for deletion/Glicko rating system
There seems to be enough coverage out there for this to meet . For instance: https://scholar.google.com/scholar?q=%22Glicko+rating+system%22 Over sixty hits for this on Google Scholar. https://www.englishchess.org.uk/wp-content/uploads/2012/04/The_Glicko_system_for_beginners1.pdf Substantial discussion of its use in chess. https://www.betfair.com.au/hub/2018-wimbledon-glicko-preview/ Use of the system for making sport (tennis) predictions. Etc
— User:Lowercaserho, 00:35, 13 July 2019 (UTC)
Stance: keep
Cited policy: WP:GNG (Wikipedia:Notability)