ProGoR
ProGoR: Go Ratings of Professional and Strong Amateur Players applies Elo ratings to a large number of professional go players thereby creating an ordered list of players by computed rating regardless of nationality or professional go association affiliation. Significant go countries covered include: China, Japan, Korea and Taiwan. National associations include: Hankuk Kiwon, Kansai Ki-in, Nihon Ki-in, and Zhongguo Qiyuan.
The site has been inactive since 22 July 22 2006.
ProGoR website (verified responsive 27 July 2008)
John F. (19 February 2008?) I think this address is now defunct. Ales Cieply contacted me a few days ago and intimated he was migrating to a new server, as well as preparing a long-awaited update.