Problem Display
PID: 200809 (3N1bK1/4pPn1/Q3Bk2/R2npPpp/2N1R3/2P5/8/4B3 w - - 0 1)

Lepage, Roger

diagrammes, 1974

3N1bK1/4pPn1/Q3Bk2/R2npPpp/2N1R3/2P5/8/4B3

#3

11 + 8


SOLUTION


  • SOUND
  • Sets
    • 1...Sxe6
      • 2.Qxe6#
    • 1...Se8
      • 2.fxe8S#
    • 1...g4
      • 2.Bh4#
  • Tries
    • 1.Bxd5+?
      • 1...Kxf5
        • 2.Se3#
      • 1...Se6
        • 2.Qxe6#
      • 1...e6!
    • 1.Rxd5?
      • 1...Sxf5
        • 2.Bxf5+
          • 2...Kxf5
            • 3.Rdxe5#
          • 2...e6
            • 3.Qxe6#
      • 1...h4!
  • Keys
    • 1.Sxe5!
      • threat
        • 2.Sd7#
      • 1...Sxf5
        • 2.Bxf5+
          • 2...Kxf5
            • 3.Qg6#
          • 2...Sb6
            • 3.Sd7#
          • 2...e6
            • 3.Qxe6#
      • 1...Sb6
        • 2.Qf1
          • 2...Sxf5
            • 3.Qxf5#
          • 2...Sxe6
            • 3.fxe6#
          • 2...g4
            • 3.Bh4#
          • 2...Sa4
            • 3.Sd7#
          • 2...Sc4
            • 3.Sd7#
          • 2...Sd5
            • 3.Sd7#
          • 2...Sd7
            • 3.Sxd7#
          • 2...Sa8
            • 3.Sd7#
          • 2...Sc8
            • 3.Sd7#
          • 2...Se8
            • 3.fxe8S#
          • 2...h4
            • 3.Sg4#

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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).