Problem Display
PID: 41835 (6rk/1pp3p1/P1P3PP/8/1Kp5/7Q/8/8 w - - 0 1)

Nanning, Frederik Willem

De Problemist, 1929

6rk/1pp3p1/P1P3PP/8/1Kp5/7Q/8/8

#3

6 + 6


SOLUTION


  • SOUND
  • Sets
    • 1...Rc8
      • 2.Qxc8#
    • 1...b5
      • 2.Qc3
        • 2...Ra8
          • 3.Qxg7#
        • 2...Rb8
          • 3.Qxg7#
        • 2...Rc8
          • 3.Qxg7#
        • 2...Rd8
          • 3.Qxg7#
        • 2...Re8
          • 3.Qxg7#
        • 2...Rf8
          • 3.Qxg7#
    • 1...gxh6
      • 2.Qxh6#
  • Keys
    • 1.Qc3!
      • threat
        • 2.axb7
          • 2...Ra8
            • 3.Qxg7#
            • 3.bxa8Q#
            • 3.bxa8R#
          • 2...Rb8
            • 3.Qxg7#
          • 2...Rc8
            • 3.Qxg7#
            • 3.bxc8Q#
            • 3.bxc8R#
          • 2...Rd8
            • 3.Qxg7#
          • 2...Re8
            • 3.Qxg7#
          • 2...Rf8
            • 3.Qxg7#
      • 1...bxa6
        • 2.Ka5
          • 2...Ra8
            • 3.Qxg7#
          • 2...Rb8
            • 3.Qxg7#
          • 2...Rc8
            • 3.Qxg7#
          • 2...Rd8
            • 3.Qxg7#
          • 2...Re8
            • 3.Qxg7#
          • 2...Rf8
            • 3.Qxg7#
      • 1...bxc6
        • 2.Kc5
          • 2...Ra8
            • 3.Qxg7#
          • 2...Rb8
            • 3.Qxg7#
          • 2...Rc8
            • 3.Qxg7#
          • 2...Rd8
            • 3.Qxg7#
          • 2...Re8
            • 3.Qxg7#
          • 2...Rf8
            • 3.Qxg7#
      • 1...b5
        • 2.a7
          • 2...Ra8
            • 3.Qxg7#
          • 2...Rb8
            • 3.Qxg7#
            • 3.axb8Q#
            • 3.axb8R#
          • 2...Rc8
            • 3.Qxg7#
          • 2...Rd8
            • 3.Qxg7#
          • 2...Re8
            • 3.Qxg7#
          • 2...Rf8
            • 3.Qxg7#
      • 1...b6
        • 2.Kb5
          • 2...Ra8
            • 3.Qxg7#
          • 2...Rb8
            • 3.Qxg7#
          • 2...Rc8
            • 3.Qxg7#
          • 2...Rd8
            • 3.Qxg7#
          • 2...Re8
            • 3.Qxg7#
          • 2...Rf8
            • 3.Qxg7#

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).