Problem Display
PID: 220196 (2B5/1K4Rp/1N1k3N/8/8/8/8/8 w - - 0 1)

Ender, Adolf

Badische Neueste Nachrichten, 1998

2B5/1K4Rp/1N1k3N/8/8/8/8/8

#4

5 + 2


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Rg4!
      • 1...Kc5
        • 2.Kc7
          • 2...Kb5
            • 3.Bd7+
              • 3...Ka5
                • 4.Ra4#
              • 3...Kc5
                • 4.Rc4#
              • 3...Ka6
                • 4.Ra4#
      • 1...Ke5
        • 2.Kc6
          • 2...Kf6
            • 3.Sd5+
              • 3...Ke5
                • 4.Sf7#
      • 1...Ke7
        • 2.Kc6
          • threat
            • 3.Sd5+
              • 3...Kd8
                • 4.Rg8#
              • 3...Ke8
                • 4.Rg8#
              • 3...Kf8
                • 4.Rg8#
          • 2...Kf6
            • 3.Sd5+
              • 3...Ke5
                • 4.Sf7#
          • 2...Kd8
            • 3.Rg8+
              • 3...Ke7
                • 4.Sd5#
            • 3.Kd6
              • 3...Ke8
                • 4.Rg8#
            • 3.Sd5
              • threat
                • 4.Rg8#
              • 3...Kxc8
                • 4.Rg8#
              • 3...Ke8
                • 4.Rg8#
          • 2...Ke8
            • 3.Rg8+
              • 3...Ke7
                • 4.Sd5#
            • 3.Kd6
              • threat
                • 4.Rg8#
              • 3...Kd8
                • 4.Rg8#
              • 3...Kf8
                • 4.Rg8#
            • 3.Sd5
              • threat
                • 4.Rg8#
              • 3...Kd8
                • 4.Rg8#
              • 3...Kf8
                • 4.Rg8#
          • 2...Kf8
            • 3.Rg8+
              • 3...Ke7
                • 4.Sd5#
            • 3.Kd6
              • 3...Ke8
                • 4.Rg8#
            • 3.Sd5
              • 3...Ke8
                • 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).