Problem Display
PID: 20104 (8/R7/Pk6/8/2K5/2P5/8/8 w - - 0 1)

Schildberg, Eduard

Die Schwalbe, 1928

8/R7/Pk6/8/2K5/2P5/8/8

#4

4 + 1


SOLUTION


  • SOUND
  • Keys
    • 1.Rf7!
      • 1...Ka5
        • 2.a7
          • threat
            • 3.Rf6
              • 3...Ka4
                • 4.Ra6#
                • 4.a8Q#
                • 4.a8R#
            • 3.Rb7
              • threat
                • 4.a8Q#
                • 4.a8R#
              • 3...Ka4
                • 4.a8Q#
                • 4.a8R#
              • 3...Ka6
                • 4.a8Q#
          • 2...Ka6
            • 3.a8S
              • 3...Ka5
                • 4.Ra7#
            • 3.Kc5
              • 3...Ka5
                • 4.a8Q#
                • 4.a8R#
          • 2...Kb6
            • 3.a8R
              • 3...Kc6
                • 4.Ra6#
      • 1...Kc6
        • 2.a7
          • 2...Kb6
            • 3.a8R
              • 3...Kc6
                • 4.Ra6#
          • 2...Kd6
            • 3.a8Q
              • threat
                • 4.Qd5#
              • 3...Ke5
                • 4.Qd5#
              • 3...Ke6
                • 4.Qd5#

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).