Problem Display
PID: 229877 (7k/7p/7K/8/5P2/6R1/b5P1/7R w - - 0 1)

Worner, Johann Friedrich

Frankische Kurier, 1932

7k/7p/7K/8/5P2/6R1/b5P1/7R

#4

5 + 3


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Ra1!
      • 1...Bd5
        • 2.Ra7
          • threat
            • 3.Rxh7#
          • 2...Be4
            • 3.Rf7
              • threat
                • 4.Rf8#
              • 3...Bd5
                • 4.Rxh7#
          • 2...Bb7
            • 3.f5
              • 3...Bxg2
                • 4.Rxh7#
              • 3...Bf3
                • 4.Rxh7#
              • 3...Be4
                • 4.Rxh7#
              • 3...Bd5
                • 4.Rxh7#
              • 3...Ba6
                • 4.Rxh7#
              • 3...Bc6
                • 4.Rxh7#
              • 3...Ba8
                • 4.Rxh7#
                • 4.Rxa8#
              • 3...Bc8
                • 4.Rxh7#
          • 2...Bf7
            • 3.Ra8+
              • 3...Be8
                • 4.Rxe8#
              • 3...Bg8
                • 4.Rgxg8#
                • 4.Raxg8#
          • 2...Bg8
            • 3.Rag7
              • threat
                • 4.Rxg8#
              • 3...Ba2
                • 4.Rxh7#
              • 3...Bb3
                • 4.Rxh7#
              • 3...Bc4
                • 4.Rxh7#
              • 3...Bd5
                • 4.Rxh7#
              • 3...Be6
                • 4.Rxh7#
              • 3...Bf7
                • 4.Rxh7#
      • 1...Bg8
        • 2.Ra7
          • threat
            • 3.Rag7
              • threat
                • 4.Rxg8#
              • 3...Ba2
                • 4.Rxh7#
              • 3...Bb3
                • 4.Rxh7#
              • 3...Bc4
                • 4.Rxh7#
              • 3...Bd5
                • 4.Rxh7#
              • 3...Be6
                • 4.Rxh7#
              • 3...Bf7
                • 4.Rxh7#
          • 2...Bf7
            • 3.Ra8+
              • 3...Be8
                • 4.Rxe8#
              • 3...Bg8
                • 4.Rgxg8#
                • 4.Raxg8#

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).