Problem Display
PID: 165830 (8/5k2/1R6/8/8/6R1/2K5/8 w - - 0 1)

Dawson, Thomas Rayner

Pittsburgh Sun, 1922

(First published on Sat Jun 10 1922)

8/5k2/1R6/8/8/6R1/2K5/8

#3

3 + 1


14986 White-Hume Collection 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Kf8
      • 2.Rb7
        • 2...Ke8
          • 3.Rg8#
  • Tries
    • 1.Rg7+?
      • 1...Kf8
        • 2.Rbb7
          • 2...Ke8
            • 3.Rb8#
            • 3.Rg8#
        • 2.Ra7
          • threat
            • 3.Rb8#
          • 2...Ke8
            • 3.Rb8#
          • 2...Kg8
            • 3.Rb8#
        • 2.Rc7
          • threat
            • 3.Rb8#
          • 2...Ke8
            • 3.Rb8#
          • 2...Kg8
            • 3.Rb8#
      • 1...Kxg7!
  • Keys
    • 1.Ra3!
      • threat
        • 2.Ra7+
          • 2...Ke8
            • 3.Rb8#
          • 2...Kf8
            • 3.Rb8#
          • 2...Kg8
            • 3.Rb8#
      • 1...Ke7
        • 2.Ra7+
          • 2...Kd8
            • 3.Rb8#
          • 2...Ke8
            • 3.Rb8#
          • 2...Kf8
            • 3.Rb8#
      • 1...Kg7
        • 2.Ra7+
          • 2...Kf8
            • 3.Rb8#
          • 2...Kg8
            • 3.Rb8#
          • 2...Kh8
            • 3.Rb8#
      • 1...Ke8
        • 2.Ra7
          • threat
            • 3.Rb8#
          • 2...Kd8
            • 3.Rb8#
          • 2...Kf8
            • 3.Rb8#
        • 2.Rb7
          • threat
            • 3.Ra8#
          • 2...Kd8
            • 3.Ra8#
          • 2...Kf8
            • 3.Ra8#
      • 1...Kf8
        • 2.Ra7
          • threat
            • 3.Rb8#
          • 2...Ke8
            • 3.Rb8#
          • 2...Kg8
            • 3.Rb8#
        • 2.Rb7
          • threat
            • 3.Ra8#
          • 2...Ke8
            • 3.Ra8#
          • 2...Kg8
            • 3.Ra8#
      • 1...Kg8
        • 2.Ra7
          • threat
            • 3.Rb8#
          • 2...Kf8
            • 3.Rb8#
          • 2...Kh8
            • 3.Rb8#
        • 2.Rb7
          • threat
            • 3.Ra8#
          • 2...Kf8
            • 3.Ra8#
          • 2...Kh8
            • 3.Ra8#

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).