Problem Display
PID: 274365 (4K3/5N2/1n6/4B2k/1b1N1PR1/5P2/8/1b6 w - - 0 1)

Zipf, Volker

Troll, 2023

(First published on Wed Sep 13 2023)

4K3/5N2/1n6/4B2k/1b1N1PR1/5P2/8/1b6

#3

7 + 4


SOLUTION


  • SOUND
  • Sets
    • 1...Bf5
      • 2.Sxf5
        • threat
          • 3.Sg3#
          • 3.Sg7#
          • 3.Rg5#
    • 1...Be1
      • 2.Se6
        • threat
          • 3.Sg7#
    • 1...Bd2
      • 2.Se6
        • threat
          • 3.Sg7#
    • 1...Ba3
      • 2.Se2
        • threat
          • 3.Sg3#
    • 1...Ba5
      • 2.Se6
        • threat
          • 3.Sg7#
    • 1...Bd6
      • 2.Se2
        • threat
          • 3.Sg3#
    • 1...Bf8
      • 2.Se2
        • threat
          • 3.Sg3#
  • Tries
    • 1.Sf5?
      • threat
        • 2.Sg3#
        • 2.Sg7#
        • 2.Rg5#
      • 1...Be1
        • 2.Sg7#
        • 2.Rg5#
      • 1...Be7
        • 2.Sg3#
        • 2.Sg7#
      • 1...Bf8
        • 2.Sg3#
        • 2.Rg5#
      • 1...Bxf5!
    • 1.Rh4+?
      • 1...Kg6
        • 2.Sh8#
        • 2.Rh6#
      • 1...Kxh4!
  • Keys
    • 1.Bf6!
      • threat
        • 2.Rh4+
          • 2...Kg6
            • 3.Rh6#
      • 1...Be1
        • 2.Se6
          • threat
            • 3.Sg7#
      • 1...Bf8
        • 2.Se2
          • threat
            • 3.Sg3#

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).