Johannes Hendrikus Donner (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Johannes Hendrikus Donner" in German language version.

refsWebsite
Global rank German rank
3,905th place
878th place
low place
4,797th place
low place
low place
1st place
1st place

chessmetrics.com

olimpbase.org

teleschach.de

web.archive.org