Problem Display
PID: 217310 (2K5/5pp1/5p2/p2Q1R2/1pN5/4p3/5brp/7k w - - 0 1)

Sonnenfeld, Felix Alexander

Die Schwalbe, 1962

2K5/5pp1/5p2/p2Q1R2/1pN5/4p3/5brp/7k

#5

4 + 10


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Kd7!
      • threat
        • 2.Sxe3
          • threat
            • 3.Qxg2#
          • 2...Bxe3
            • 3.Rf3
              • threat
                • 4.Rg3
                  • threat
                    • 5.Qxg2#
                  • 4...Kg1
                    • 5.Qxg2#
              • 3...Rf2
                • 4.Rxf2+
                  • 4...Kg1
                    • 5.Qg2#
                • 4.Rg3+
                  • 4...Rg2
                    • 5.Qxg2#
                  • 4...Rf3
                    • 5.Qxf3#
              • 3...Bg1
                • 4.Rg3
                  • threat
                    • 5.Qxg2#
              • 3...Bf2
                • 4.Rxf2
                  • threat
                    • 5.Rf1#
                    • 5.Qxg2#
                  • 4...Kg1
                    • 5.Qxg2#
      • 1...Bg1
        • 2.Sxe3
          • threat
            • 3.Qxg2#
          • 2...Bxe3
            • 3.Rf3
              • threat
                • 4.Rg3
                  • threat
                    • 5.Qxg2#
                  • 4...Kg1
                    • 5.Qxg2#
              • 3...Rf2
                • 4.Rxf2+
                  • 4...Kg1
                    • 5.Qg2#
                • 4.Rg3+
                  • 4...Rg2
                    • 5.Qxg2#
                  • 4...Rf3
                    • 5.Qxf3#
              • 3...Bg1
                • 4.Rg3
                  • threat
                    • 5.Qxg2#
              • 3...Bf2
                • 4.Rxf2
                  • threat
                    • 5.Rf1#
                    • 5.Qxg2#
                  • 4...Kg1
                    • 5.Qxg2#
        • 2.Rf1
          • threat
            • 3.Sxe3
              • threat
                • 4.Qxg2#
          • 2...e2
            • 3.Re1
              • threat
                • 4.Se3
                  • threat
                    • 5.Qxg2#

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).