Problem Display
PID: 227305 (6n1/2R5/7p/3k4/5R2/B6B/8/3K4 w - - 0 1)

Wurzburg, Otto

US Problem Bulletin, 1985

6n1/2R5/7p/3k4/5R2/B6B/8/3K4

#3

5 + 3


SOLUTION


  • SOUND
  • Sets
    • 1...Se7
      • 2.Rc5+
        • 2...Kd6
          • 3.Rf6#
  • Tries
    • 1.Rfc4?
      • threat
        • 2.R7c5+
          • 2...Kd6
            • 3.Ra5#
            • 3.Rb5#
            • 3.Rg5#
            • 3.Rh5#
      • 1...h5
        • 2.R7c5+
          • 2...Kd6
            • 3.Ra5#
            • 3.Rb5#
            • 3.Rg5#
            • 3.Rxh5#
      • 1...Ke5!
    • 1.Rd7+?
      • 1...Ke5
        • 2.Rdd4
          • threat
            • 3.Bd6#
      • 1...Kc6!
  • Keys
    • 1.Rcc4!
      • threat
        • 2.Rfe4
          • threat
            • 3.Be6#
      • 1...Ke5
        • 2.Rcd4
          • threat
            • 3.Bd6#
      • 1...Sf6
        • 2.Rfd4+
          • 2...Ke5
            • 3.Bd6#
      • 1...Se7
        • 2.Rc5+
          • 2...Kd6
            • 3.Rf6#

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).