Ralf Dörr
Revision as of 17:49, 27 November 2018 by GerdIsenberg (talk | contribs)
Ralf Dörr,
a German software developer and chess programmer. Along with Norbert Esser, he is author of the private chess program Nexus, and lonesome author of the private engine Argonaut. Both programs were active tounament players from 2003 until 2005.