Problem Display
PID: 14514 (R1N1kr2/8/2K4b/6p1/8/8/1n6/5R2 w - - 0 1)

Orlimont, PA (= Ernst Krieger)

Denken und Raten, 1929

R1N1kr2/8/2K4b/6p1/8/8/1n6/5R2

#3

4 + 5


SOLUTION


  • SOUND
  • Sets
    • 1...Kd8
      • 2.Re1
        • threat
          • 3.Sb6#
          • 3.Sd6#
          • 3.Sa7#
          • 3.Se7#
    • 1...Rf6+
      • 2.Sd6+
        • 2...Ke7
          • 3.Re8#
    • 1...Rf7
      • 2.Sd6+
        • 2...Ke7
          • 3.Re8#
  • Tries
    • 1.Re1+?
      • 1...Kd8
        • 2.Sb6#
        • 2.Sd6#
        • 2.Sa7#
        • 2.Se7#
      • 1...Kf7!
  • Keys
    • 1.Rf6!
      • threat
        • 2.Sb6+
          • 2...Ke7
            • 3.Sd5#
      • 1...Rxf6+
        • 2.Sd6+
          • 2...Ke7
            • 3.Re8#
      • 1...Kd8
        • 2.Sb6+
          • 2...Ke7
            • 3.Sd5#
        • 2.Re6
          • threat
            • 3.Sb6#
            • 3.Sd6#
            • 3.Sa7#
            • 3.Se7#

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).