Problem Display
PID: 22824 (8/8/8/8/k1N5/2K5/7R/8 w - - 0 1)

Potter, Joseph Alonzo

La France Illustre, 1879

8/8/8/8/k1N5/2K5/7R/8

#3

3 + 1


81 Chess 1948
4349 Kleinste Schachaufgaben Drei- und Viersteiner 1970
3713 Snap 2018
14986 White-Hume Collection 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Sd6?
      • threat
        • 2.Ra2#
      • 1...Ka3
        • 2.Kc4
          • 2...Ka4
            • 3.Ra2#
        • 2.Rb2
          • 2...Ka4
            • 3.Ra2#
        • 2.Rc2
          • 2...Ka4
            • 3.Ra2#
        • 2.Rd2
          • 2...Ka4
            • 3.Ra2#
        • 2.Re2
          • 2...Ka4
            • 3.Ra2#
        • 2.Rf2
          • 2...Ka4
            • 3.Ra2#
        • 2.Rg2
          • 2...Ka4
            • 3.Ra2#
      • 1...Ka5!
  • Keys
    • 1.Sa3!
      • threat
        • 2.Rh5
          • 2...Kxa3
            • 3.Ra5#
      • 1...Kxa3
        • 2.Kc4
          • 2...Ka4
            • 3.Ra2#
      • 1...Ka5
        • 2.Rh6
          • 2...Ka4
            • 3.Ra6#

Anticipated by 166523(0000)

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).