Problem Display
PID: 199142 (4k2r/bRB3R1/4B1n1/4p2b/6p1/8/K7/8 w - - 0 1)

Lindgren, Frithiof

Nya Dagligt Allehanda, 1921

4k2r/bRB3R1/4B1n1/4p2b/6p1/8/K7/8

#3

5 + 7


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Sets
    • 1...Rf8
      • 2.Bd7#
    • 1...Bg1
      • 2.Rb8#
    • 1...Bf2
      • 2.Rb8#
    • 1...Be3
      • 2.Rb8#
    • 1...Bd4
      • 2.Rb8#
    • 1...Bc5
      • 2.Rb8#
    • 1...Bb6
      • 2.Rb8#
    • 1...Bb8
      • 2.Rxb8#
  • Tries
    • 1.Rxa7?
      • threat
        • 2.Ra8#
      • 1...Se7
        • 2.Ra8+
          • 2...Sc8
            • 3.Rxc8#
      • 1...Kf8!
  • Keys
    • 1.Bd6!
      • threat
        • 2.Bd7+
          • 2...Kd8
            • 3.Bc7#
      • 1...Kd8
        • 2.Bd7
          • threat
            • 3.Bc7#
          • 2...Bb6
            • 3.Rb8#
          • 2...Bb8
            • 3.Rxb8#
          • 2...Se7
            • 3.Bxe7#
      • 1...Se7
        • 2.Bxe7
          • threat
            • 3.Bd7#
          • 2...Bf7
            • 3.Bxf7#
      • 1...Bb6
        • 2.Bd7+
          • 2...Kd8
            • 3.Rb8#
        • 2.Rb8+
          • 2...Bd8
            • 3.Bd7#
      • 1...Sf4
        • 2.Bd7+
          • 2...Kd8
            • 3.Bc7#
            • 3.Be7#
      • 1...Sh4
        • 2.Be7
          • threat
            • 3.Bd7#
          • 2...Bf7
            • 3.Bxf7#
        • 2.Bd7+
          • 2...Kd8
            • 3.Bc7#
            • 3.Be7#
        • 2.Rxa7
          • threat
            • 3.Ra8#
          • 2...Kd8
            • 3.Ra8#
        • 2.Rgc7
          • threat
            • 3.Rc8#
          • 2...Kd8
            • 3.Rc8#
          • 2...Bb6
            • 3.Rb8#
      • 1...Sf8
        • 2.Rbe7+
          • 2...Kd8
            • 3.Bc7#

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).