Problem Display
PID: 103416 (B1K3N1/4p3/8/2pN4/4k2P/p3Pp1P/1Ppp1p1Q/3rbr2 w - - 0 1)

Gamage, Frederick

Checkmate, 1904

B1K3N1/4p3/8/2pN4/4k2P/p3Pp1P/1Ppp1p1Q/3rbr2

#3

9 + 11


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kf5
      • 2.Sdxe7+
        • 2...Ke6
          • 3.Bd5#
  • Tries
    • 1.Sb4+?
      • 1...Kxe3
        • 2.Qe5#
      • 1...Kf5!
    • 1.Sc7+?
      • 1...Kxe3
        • 2.Qe5+
          • 2...Kd3
            • 3.Qe4#
      • 1...Kf5
        • 2.Qg3
          • threat
            • 3.Qg5#
            • 3.e4#
      • 1...Kd3!
    • 1.Sdxe7+?
      • 1...Kxe3
        • 2.Qe5+
          • 2...Kd3
            • 3.Qe4#
      • 1...Kd3!
    • 1.Sh6?
      • threat
        • 2.Sb4+
          • 2...Kxe3
            • 3.Qe5#
      • 1...e5
        • 2.Sb4+
          • 2...Kxe3
            • 3.Qxe5#
        • 2.Sf4+
          • 2...Kxe3
            • 3.Sf5#
      • 1...Kd3!
    • 1.Qe5+?
      • 1...Kd3
        • 2.Qc3+
          • 2...Ke2
            • 3.Sf4#
            • 3.Qc4#
          • 2...Ke4
            • 3.Sdxe7#
      • 1...Kxe5!
    • 1.Qc7?
      • threat
        • 2.Sf4+
          • 2...Kxe3
            • 3.Qe5#
          • 2...Kf5
            • 3.e4#
      • 1...Kf5
        • 2.Sf4
          • threat
            • 3.e4#
          • 2...e5
            • 3.Qd7#
            • 3.Qf7#
            • 3.Qh7#
        • 2.Sdxe7+
          • 2...Ke6
            • 3.Bd5#
      • 1...Kd3!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Sf4+
          • 2...Kxe3
            • 3.Qe5#
          • 2...Kf5
            • 3.e4#
      • 1...Kd3
        • 2.Sf4+
          • 2...Kxe3
            • 3.Qe5#
          • 2...Kc4
            • 3.Bd5#
      • 1...Kf5
        • 2.Sdxe7+
          • 2...Ke6
            • 3.Bd5#
      • 1...e5
        • 2.Qb3
          • threat
            • 3.Sde7#
            • 3.Qxc2#
          • 2...Kf5
            • 3.Sde7#

FEATURES


NOT CLASSIFIED


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).