Problem Display
PID: 34400 (4n1R1/1p3R2/8/4P2K/1Pp5/2P1B1bB/3P1r1p/6kn w - - 0 1)

Zepler, Erich Ernest

Deutsches Wochenschach, 1919

4n1R1/1p3R2/8/4P2K/1Pp5/2P1B1bB/3P1r1p/6kn

#4

9 + 8


SOLUTION


  • SOUND
  • Keys
    • 1.Rh7!
      • 1...Sf6+
        • 2.exf6
          • threat
            • 3.Ra8
              • threat
                • 4.Ra1#
      • 1...Sg7+
        • 2.Rgxg7
          • 2...b5
            • 3.Ra7
              • threat
                • 4.Ra1#
          • 2...b6
            • 3.Ra7
              • threat
                • 4.Ra1#
      • 1...Sc7
        • 2.Rxc7
          • threat
            • 3.Ra8
              • threat
                • 4.Ra1#
      • 1...b5
        • 2.Ra7
          • threat
            • 3.Ra1#
          • 2...Sf6+
            • 3.Kg6
              • threat
                • 4.Ra1#
          • 2...Sg7+
            • 3.Kg4
              • threat
                • 4.Ra1#
            • 3.Kg6
              • threat
                • 4.Ra1#
      • 1...b6
        • 2.Ra7
          • threat
            • 3.Ra1#
          • 2...Sf6+
            • 3.exf6
              • 3...b5
                • 4.Ra1#
            • 3.Kg6
              • threat
                • 4.Ra1#
          • 2...Sg7+
            • 3.Rgxg7
              • 3...b5
                • 4.Ra1#
            • 3.Kg4
              • threat
                • 4.Ra1#
            • 3.Kg6
              • threat
                • 4.Ra1#

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).