Problem Display
PID: 248029 (6K1/1p6/b3N3/1p1p4/7k/p7/5PR1/8 w - - 0 1)

Junker, Karl

Die Schwalbe, 1959

6K1/1p6/b3N3/1p1p4/7k/p7/5PR1/8

#4

4 + 6


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sf3+
          • 2...Kh5
            • 3.Kg7
              • threat
                • 4.Rg5#
            • 3.Kh7
              • threat
                • 4.Rg5#
      • 1...Kh3
        • 2.Rg5
          • threat
            • 3.Sf3
              • threat
                • 4.Rg3#
          • 2...Kh2
            • 3.Sf3+
              • 3...Kh1
                • 4.Rg1#
              • 3...Kh3
                • 4.Rg3#
          • 2...Kh4
            • 3.Sf3+
              • 3...Kh3
                • 4.Rg3#
      • 1...Kh5
        • 2.Sf5
          • threat
            • 3.f4
              • threat
                • 4.Rg5#
      • 1...a2
        • 2.Sf3+
          • 2...Kh5
            • 3.Kh7
              • threat
                • 4.Rg5#
      • 1...b4
        • 2.Sf3+
          • 2...Kh5
            • 3.Kg7
              • threat
                • 4.Rg5#

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).