Problem Display
PID: 210265 (K2bk3/1Np1Pp2/2n1pP2/3PPN2/8/8/8/8 w - - 0 1)

Pocquette, MT

New York Clipper, 1856

K2bk3/1Np1Pp2/2n1pP2/3PPN2/8/8/8/8

#4

7 + 6


6490 yacpdb 2020

SOLUTION


  • COOKED
  • Keys
    • 1.Sfd6+!
      • 1...cxd6
        • 2.Sxd6+
          • 2...Kd7
            • 3.e8Q+
              • 3...Kc7
                • 4.Qxc6#
    • 1.Sg7+!
      • 1...Kd7
        • 2.dxe6+
          • 2...Kc8
            • 3.e8Q
              • threat
                • 4.Qd7#
              • 3...Sxe5
                • 4.Qxd8#
              • 3...fxe6
                • 4.Qxe6#
              • 3...Sb8
                • 4.Qxd8#
          • 2...fxe6
            • 3.e8Q+
              • 3...Kc8
                • 4.Qxe6#
        • 2.e8Q+
          • 2...Kc8
            • 3.Sxe6
              • 3...Sxe5
                • 4.Qxd8#
              • 3...fxe6
                • 4.Qxe6#
              • 3...Sb4
                • 4.Qxd8#
              • 3...Sd4
                • 4.Qxd8#
              • 3...Sa5
                • 4.Qxd8#
              • 3...Sa7
                • 4.Qxd8#
              • 3...Se7
                • 4.Qxd8#
              • 3...Sb8
                • 4.Qxd8#
            • 3.dxe6
              • threat
                • 4.Qd7#
              • 3...Sxe5
                • 4.Qxd8#
              • 3...fxe6
                • 4.Qxe6#
              • 3...Sb8
                • 4.Qxd8#
        • 2.e8B+
          • 2...Kc8
            • 3.dxc6
              • threat
                • 4.Bd7#
    • 1.Sbd6+!
      • 1...cxd6
        • 2.Sxd6+
          • 2...Kd7
            • 3.e8Q+
              • 3...Kc7
                • 4.Qxc6#

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).