Problem Display
PID: 188106 (n3k3/4P3/4R2K/8/3P4/8/B7/R7 w - - 0 1)

Jentz, Otto Frederick

Source?, 1910

n3k3/4P3/4R2K/8/3P4/8/B7/R7

#3

6 + 2


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Sets
    • 1...Kf7
      • 2.e8Q#
  • Tries
    • 1.Rb1?
      • 1...Kd7
        • 2.e8Q+
          • 2...Kc7
            • 3.Rc6#
      • 1...Sc7
        • 2.Rb8+
          • 2...Kd7
            • 3.Rd8#
          • 2...Kf7
            • 3.Rf8#
      • 1...Sb6!
    • 1.Rc1?
      • threat
        • 2.Rc8+
          • 2...Kd7
            • 3.e8Q#
          • 2...Kf7
            • 3.Rf8#
            • 3.e8Q#
      • 1...Sc7
        • 2.Rxc7
          • 2...Kf7
            • 3.e8Q#
            • 3.e8R#
      • 1...Sb6!
    • 1.Rf1?
      • 1...Kd7
        • 2.e8Q+
          • 2...Kc7
            • 3.Rf7#
        • 2.e8R
          • threat
            • 3.Rf7#
          • 2...Kc7
            • 3.Rf7#
      • 1...Sc7
        • 2.Rf8+
          • 2...Kd7
            • 3.Rd8#
      • 1...Sb6!
    • 1.Rg1?
      • 1...Kd7
        • 2.e8Q+
          • 2...Kc7
            • 3.Rg7#
        • 2.e8R
          • threat
            • 3.Rg7#
          • 2...Kc7
            • 3.Rg7#
      • 1...Sc7
        • 2.Rg8+
          • 2...Kd7
            • 3.Rd8#
          • 2...Kf7
            • 3.Rf8#
      • 1...Sb6!
  • Keys
    • 1.Bb1!
      • 1...Kd7
        • 2.e8Q+
          • 2...Kc7
            • 3.Ra7#
      • 1...Sb6
        • 2.Ra7
          • threat
            • 3.Bg6#
          • 2...Kf7
            • 3.e8Q#
      • 1...Sc7
        • 2.Ra7
          • 2...Kd7
            • 3.e8Q#
          • 2...Kf7
            • 3.e8Q#
          • 2...Sxe6
            • 3.Bg6#
          • 2...Sb5
            • 3.Bg6#
          • 2...Sd5
            • 3.Bg6#
          • 2...Sa6
            • 3.Bg6#
          • 2...Sa8
            • 3.Bg6#

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).