Problem Display
PID: 273325 (K6k/6R1/2p5/5p1N/3n3P/8/8/8 w - - 0 1)

Orlik, Peter

diagrammes, 1978

K6k/6R1/2p5/5p1N/3n3P/8/8/8

#4

4 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Rg2!
      • threat
        • 2.Sf6
          • threat
            • 3.Rg8#
      • 1...Kh7
        • 2.Sf6+
          • 2...Kh6
            • 3.h5
              • threat
                • 4.Rg6#
      • 1...Se2
        • 2.Sf6
          • threat
            • 3.Rg8#
          • 2...Sg3
            • 3.Rxg3
              • threat
                • 4.Rg8#
      • 1...Sf3
        • 2.Sf6
          • threat
            • 3.Rg8#
          • 2...Sg5
            • 3.Rxg5
              • threat
                • 4.Rg8#
      • 1...Sb5
        • 2.Sf6
          • threat
            • 3.Rg8#
          • 2...Sc7+
            • 3.Kb7
              • threat
                • 4.Rg8#
      • 1...Se6
        • 2.Sf6
          • threat
            • 3.Rg8#
          • 2...Sc7+
            • 3.Kb7
              • threat
                • 4.Rg8#
          • 2...Sg5
            • 3.Rxg5
              • threat
                • 4.Rg8#
          • 2...Sg7
            • 3.Rg6
              • threat
                • 4.Rh6#
              • 3...Sh5
                • 4.Rg8#
              • 3...Se6
                • 4.Rg8#
              • 3...Se8
                • 4.Rg8#

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).