Problem Display
PID: 118137 (7k/1R1p1K2/8/7p/1R6/5P2/8/r7 w - - 0 1)

Pauly, Wolfgang

Deutsches Wochenschach, 1911

7k/1R1p1K2/8/7p/1R6/5P2/8/r7

#4

4 + 4


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Kg6!
      • threat
        • 2.Rb8#
      • 1...Rg1+
        • 2.Rg4
          • threat
            • 3.Rb8#
          • 2...Rxg4+
            • 3.fxg4
              • threat
                • 4.Rb8#
              • 3...Kg8
                • 4.Rb8#
          • 2...Rb1
            • 3.Rxb1
              • threat
                • 4.Rb8#
              • 3...Kg8
                • 4.Rb8#
          • 2...Rc1
            • 3.Rb8+
              • 3...Rc8
                • 4.Rxc8#
          • 2...Re1
            • 3.Rb8+
              • 3...Re8
                • 4.Rxe8#
      • 1...Ra6+
        • 2.R4b6
          • threat
            • 3.Rb8#
          • 2...Rxb6+
            • 3.Rxb6
              • threat
                • 4.Rb8#
              • 3...Kg8
                • 4.Rb8#
          • 2...Ra8
            • 3.Rb8+
              • 3...Rxb8
                • 4.Rxb8#

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).