Problem Display
PID: 216643 (k1N5/Pp5p/1P1P3K/5R2/8/8/8/1r4R1 w - - 0 1)

Lucke, Hermann

Comm., Olympic Ty., 1960

k1N5/Pp5p/1P1P3K/5R2/8/8/8/1r4R1

#5

7 + 4


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Rf8!
      • threat
        • 2.Se7#
      • 1...Rf1
        • 2.Rh8
          • threat
            • 3.Se7+
              • 3...Rf8
                • 4.Rxf8#
          • 2...Rf6+
            • 3.Kg7
              • threat
                • 4.Se7+
                  • 4...Rf8
                    • 5.Rxf8#
                • 4.Kxf6
                  • threat
                    • 5.Se7#
              • 3...Rg6+
                • 4.Rxg6
                  • threat
                    • 5.Se7#
              • 3...Rf7+
                • 4.Kxf7
                  • threat
                    • 5.Se7#
              • 3...Rf1
                • 4.Se7+
                  • 4...Rf8
                    • 5.Rxf8#
                • 4.Rxf1
                  • threat
                    • 5.Se7#
              • 3...Rf2
                • 4.Se7+
                  • 4...Rf8
                    • 5.Rxf8#
              • 3...Rf3
                • 4.Se7+
                  • 4...Rf8
                    • 5.Rxf8#
              • 3...Rf4
                • 4.Se7+
                  • 4...Rf8
                    • 5.Rxf8#
              • 3...Rf5
                • 4.Se7+
                  • 4...Rf8
                    • 5.Rxf8#
              • 3...Rf8
                • 4.Rxf8
                  • threat
                    • 5.Se7#
          • 2...Rf8
            • 3.Se7
              • threat
                • 4.Rxf8#
              • 3...Rxh8
                • 4.Sg8
                  • 4...Rxg8
                    • 5.Rxg8#

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).