Sackmann, Franz
Akademische Monatshefte fur Schach, 1910
#4
6 + 6
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).