Problem Display
PID: 116978 (4K3/1p1p1p1p/1Rn1k1nR/3pPp2/1B6/4Q3/8/3B4 w - - 0 1)

Kennard, Walter Irving

Checkmate, 1904

4K3/1p1p1p1p/1Rn1k1nR/3pPp2/1B6/4Q3/8/3B4

#3

7 + 9


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...f6
      • 2.exf6+
        • 2...Kxf6
          • 3.Qe7#
        • 2...Se5
          • 3.f7#
  • Tries
    • 1.Bb3?
      • 1...f4
        • 2.Qe4
          • threat
            • 3.Bxd5#
      • 1...f6
        • 2.exf6+
          • 2...Kxf6
            • 3.Qe7#
          • 2...Se5
            • 3.f7#
      • 1...d6!
    • 1.Qc5?
      • threat
        • 2.Qd6#
        • 2.Qe7#
      • 1...f4
        • 2.Rh5
          • threat
            • 3.Qd6#
          • 2...d6
            • 3.Qxd6#
      • 1...Kxe5!
    • 1.Qg5?
      • threat
        • 2.Qf6#
        • 2.Qe7#
      • 1...d4
        • 2.Rb5
          • threat
            • 3.Qf6#
          • 2...Sxe5
            • 3.Qe7#
          • 2...f6
            • 3.Qxf6#
      • 1...Kxe5!
  • Keys
    • 1.Be7!
      • 1...d4
        • 2.Bb3+
          • 2...d5
            • 3.exd5 ep#
      • 1...f4
        • 2.Bg4+
          • 2...f5
            • 3.exf5 ep#
      • 1...d6
        • 2.exd6+
          • 2...Se5
            • 3.d7#
      • 1...f6
        • 2.exf6+
          • 2...Se5
            • 3.f7#

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).