Problem Display
PID: 31010 (4K3/3N4/8/2pPp1p1/2Pk2P1/4p3/4B3/4B3 w - - 0 1)

Frederick, HP

The Westminster Papers, 1875

4K3/3N4/8/2pPp1p1/2Pk2P1/4p3/4B3/4B3

#4

7 + 5


SOLUTION


  • COOKED
  • Keys
    • 1.Ke7!
      • threat
        • 2.Sf6
          • 2...e4
            • 3.Sh5
              • 3...Ke5
                • 4.Bc3#
      • 1...Ke4
        • 2.Sxc5+
          • 2...Kd4
            • 3.Kd6
              • 3...e4
                • 4.Sb3#
                • 4.Se6#
          • 2...Kf4
            • 3.Kd6
              • 3...e4
                • 4.Se6#
            • 3.Kf6
              • 3...e4
                • 4.Se6#
        • 2.Kd6
          • 2...Kd4
            • 3.Sxc5
              • 3...e4
                • 4.Sb3#
                • 4.Se6#
          • 2...Kf4
            • 3.Sxc5
              • 3...e4
                • 4.Se6#
            • 3.Sf6
              • 3...e4
                • 4.Sh5#
      • 1...e4
        • 2.Sf6
          • 2...Ke5
            • 3.Bc3+
              • 3...Kf4
                • 4.Sh5#
        • 2.Sb8
          • 2...Ke5
            • 3.Ba5
              • 3...Kd4
                • 4.Sc6#
              • 3...Kf4
                • 4.Bc7#
    • 1.Sf6!
      • 1...e4
        • 2.Kd7
          • 2...Ke5
            • 3.Bc3+
              • 3...Kf4
                • 4.Sh5#
        • 2.Ke7
          • 2...Ke5
            • 3.Bc3+
              • 3...Kf4
                • 4.Sh5#
        • 2.Kd8
          • 2...Ke5
            • 3.Bc3+
              • 3...Kf4
                • 4.Sh5#
              • 3...Kd6
                • 4.Sxe4#
                • 4.Se8#
        • 2.Sg8
          • 2...Ke5
            • 3.Se7
              • 3...Kd4
                • 4.Sc6#
              • 3...Kf4
                • 4.Sg6#
              • 3...Kd6
                • 4.Bg3#
              • 3...Kf6
                • 4.Bc3#

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).