Problem Display
PID: 220797 (8/p7/k7/1R6/n1P5/1N6/8/K7 w - - 0 1)

Massmann, Wilhelm Karl Heinrich

Deutsche Schachzeitung, 1937

8/p7/k7/1R6/n1P5/1N6/8/K7

#4

4 + 3


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Rb4!
      • threat
        • 2.Rb5
          • 2...Sb6
            • 3.Sc5#
          • 2...Sb2
            • 3.Sc5#
          • 2...Sc3
            • 3.Sc5#
          • 2...Sc5
            • 3.Sxc5#
      • 1...Sc3
        • 2.Rb8
          • 2...Sb1
            • 3.Sc5+
              • 3...Ka5
                • 4.Rb5#
            • 3.Rb5
              • threat
                • 4.Sc5#
          • 2...Sd1
            • 3.Sc5+
              • 3...Ka5
                • 4.Rb5#
            • 3.Rb5
              • threat
                • 4.Sc5#
          • 2...Sa2
            • 3.Sc5+
              • 3...Ka5
                • 4.Rb5#
            • 3.Rb5
              • threat
                • 4.Sc5#
          • 2...Se2
            • 3.Sc5+
              • 3...Ka5
                • 4.Rb5#
            • 3.Rb5
              • threat
                • 4.Sc5#
          • 2...Sa4
            • 3.Rb5
              • 3...Sb6
                • 4.Sc5#
              • 3...Sb2
                • 4.Sc5#
              • 3...Sc3
                • 4.Sc5#
              • 3...Sc5
                • 4.Sxc5#
          • 2...Se4
            • 3.Rb5
              • 3...Sd2
                • 4.Sc5#
              • 3...Sf2
                • 4.Sc5#
              • 3...Sc3
                • 4.Sc5#
              • 3...Sg3
                • 4.Sc5#
              • 3...Sc5
                • 4.Sxc5#
              • 3...Sg5
                • 4.Sc5#
              • 3...Sd6
                • 4.Sc5#
              • 3...Sf6
                • 4.Sc5#
          • 2...Sd5
            • 3.Sc5+
              • 3...Ka5
                • 4.Rb5#
            • 3.Rb5
              • threat
                • 4.Sc5#

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).