Problem Display
PID: 223795 (1kN5/R2P4/8/4K3/8/8/8/5B2 w - - 0 1)

Karge, Fritz

Deutsche Schachzeitung, 1976

1kN5/R2P4/8/4K3/8/8/8/5B2

#3

5 + 1


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Ra5?
      • 1...Kb7
        • 2.d8Q
          • 2...Kc6
            • 3.Bg2#
          • 2...Kb8
            • 3.Sd6#
      • 1...Kc7!
    • 1.Ra6?
      • threat
        • 2.d8Q
          • 2...Kb7
            • 3.Sd6#
      • 1...Kb7
        • 2.d8Q
          • 2...Kb8
            • 3.Sd6#
      • 1...Kc7!
    • 1.Rc7?
      • threat
        • 2.d8Q
          • 2...Ka8
            • 3.Sb6#
            • 3.Sd6#
            • 3.Sa7#
            • 3.Se7#
      • 1...Ka8
        • 2.Sb6+
          • 2...Kb8
            • 3.d8Q#
        • 2.Sd6
          • 2...Kb8
            • 3.d8Q#
        • 2.Sa7
          • 2...Kb8
            • 3.d8Q#
        • 2.Se7
          • 2...Kb8
            • 3.d8Q#
        • 2.d8Q
          • 2...Kb8
            • 3.Sb6#
            • 3.Sd6#
            • 3.Sa7#
            • 3.Se7#
      • 1...Kxc7!
  • Keys
    • 1.d8B!
      • 1...Kxc8
        • 2.Ra8+
          • 2...Kb7
            • 3.Bg2#
          • 2...Kd7
            • 3.Bb5#

FEATURES


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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).