Ros, Johan August
Deutsche Schachzeitung, 1891
#3
11 + 4
1829 | The Theory of Pawn Promotion | 1912 |
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).