Problem Display
PID: 19909 (8/8/2ppp3/2pkp3/2ppp3/8/5PQ1/K3B3 w - - 0 1)

Popp, Johannes

Deutsches Wochenschach, 1907

8/8/2ppp3/2pkp3/2ppp3/8/5PQ1/K3B3

#4

4 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.f4!
      • 1...exf4 ep
        • 2.Qxf3+
          • 2...e4
            • 3.Qh5+
              • 3...e5
                • 4.Qf7#
      • 1...c3
        • 2.Qa2+
          • 2...c4
            • 3.Qa5+
              • 3...c5
                • 4.Qa8#
      • 1...d3
        • 2.Bc3
          • threat
            • 3.f5
              • 3...exf5
                • 4.Qg8#
              • 3...d2
                • 4.Qxd2#
          • 2...exf4
            • 3.Qg5+
              • 3...e5
                • 4.Qg8#

FEATURES


NOT CLASSIFIED


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).