Problem Display
PID: 47837 (5r1k/8/6QN/8/8/3p1N2/3K4/8 w - - 0 1)

Massmann, Wilhelm Karl Heinrich

2nd HM., Die Schwalbe, 1936

5r1k/8/6QN/8/8/3p1N2/3K4/8

#4

4 + 3


4872 Themes-64 1957

SOLUTION


  • SOUND
  • Keys
    • 1.Ke1!
      • threat
        • 2.Kd2
          • 2...Rxf3
            • 3.Qg8#
          • 2...Rf4
            • 3.Qg8#
          • 2...Rf5
            • 3.Qg8#
          • 2...Rf6
            • 3.Qg8#
          • 2...Rf7
            • 3.Sxf7#
            • 3.Qg8#
          • 2...Ra8
            • 3.Sf7#
          • 2...Rb8
            • 3.Sf7#
          • 2...Rc8
            • 3.Sf7#
          • 2...Rd8
            • 3.Sf7#
          • 2...Re8
            • 3.Sf7#
          • 2...Rg8
            • 3.Sf7#
            • 3.Qxg8#
      • 1...Re8+
        • 2.Kd1
          • threat
            • 3.Sf7#
          • 2...Re1+
            • 3.Sxe1
              • 3...d2
                • 4.Sf7#
                • 4.Qg8#
          • 2...Rf8
            • 3.Kd2
              • 3...Rxf3
                • 4.Qg8#
              • 3...Rf4
                • 4.Qg8#
              • 3...Rf5
                • 4.Qg8#
              • 3...Rf6
                • 4.Qg8#
              • 3...Rf7
                • 4.Sxf7#
                • 4.Qg8#
              • 3...Ra8
                • 4.Sf7#
              • 3...Rb8
                • 4.Sf7#
              • 3...Rc8
                • 4.Sf7#
              • 3...Rd8
                • 4.Sf7#
              • 3...Re8
                • 4.Sf7#
              • 3...Rg8
                • 4.Sf7#
                • 4.Qxg8#

FEATURES


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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).