Problem Display
PID: 237848 (k1N5/Pp6/6K1/8/8/4R3/8/6n1 w - - 0 1)

Fabel, Karl

Source?, 1952

k1N5/Pp6/6K1/8/8/4R3/8/6n1

#4

4 + 3


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Kg5!
      • 1...Sf3+
        • 2.Rxf3
          • threat
            • 3.Rf7
              • 3...b5
                • 4.Sb6#
              • 3...b6
                • 4.Sxb6#
          • 2...b5
            • 3.Rf7
              • 3...b4
                • 4.Sb6#
          • 2...b6
            • 3.Rf7
              • 3...b5
                • 4.Sb6#
      • 1...Sh3+
        • 2.Rxh3
          • threat
            • 3.Rh7
              • 3...b5
                • 4.Sb6#
              • 3...b6
                • 4.Sxb6#
          • 2...b5
            • 3.Rh7
              • 3...b4
                • 4.Sb6#
          • 2...b6
            • 3.Rh7
              • 3...b5
                • 4.Sb6#
      • 1...b5
        • 2.Re7
          • threat
            • 3.Sb6#
          • 2...Sf3+
            • 3.Kf4
              • threat
                • 4.Sb6#
            • 3.Kh5
              • threat
                • 4.Sb6#
            • 3.Kf6
              • threat
                • 4.Sb6#
            • 3.Kh6
              • threat
                • 4.Sb6#
          • 2...Sh3+
            • 3.Kh4
              • threat
                • 4.Sb6#
            • 3.Kf5
              • threat
                • 4.Sb6#
            • 3.Kf6
              • threat
                • 4.Sb6#
            • 3.Kh6
              • threat
                • 4.Sb6#
      • 1...b6
        • 2.Re7
          • threat
            • 3.Sxb6#
          • 2...Sf3+
            • 3.Kf4
              • threat
                • 4.Sxb6#
              • 3...b5
                • 4.Sb6#
            • 3.Kh5
              • threat
                • 4.Sxb6#
              • 3...b5
                • 4.Sb6#
            • 3.Kf6
              • threat
                • 4.Sxb6#
              • 3...b5
                • 4.Sb6#
            • 3.Kh6
              • threat
                • 4.Sxb6#
              • 3...b5
                • 4.Sb6#
          • 2...Sh3+
            • 3.Kh4
              • threat
                • 4.Sxb6#
              • 3...b5
                • 4.Sb6#
            • 3.Kf5
              • threat
                • 4.Sxb6#
              • 3...b5
                • 4.Sb6#
            • 3.Kf6
              • threat
                • 4.Sxb6#
              • 3...b5
                • 4.Sb6#
            • 3.Kh6
              • threat
                • 4.Sxb6#
              • 3...b5
                • 4.Sb6#
      • 1...Se2
        • 2.Rxe2
          • threat
            • 3.Re7
              • 3...b5
                • 4.Sb6#
              • 3...b6
                • 4.Sxb6#
          • 2...b5
            • 3.Re7
              • 3...b4
                • 4.Sb6#
          • 2...b6
            • 3.Re7
              • 3...b5
                • 4.Sb6#

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).