Problem Display
PID: 75661 (1nB5/1Np4r/1pk3Pb/1N3p1q/1P1Bp1n1/2K1p1Q1/8/R7 w - - 0 1)

Campbell, Joseph Graham

London Ty., 1862

1nB5/1Np4r/1pk3Pb/1N3p1q/1P1Bp1n1/2K1p1Q1/8/R7

#4

9 + 11


SOLUTION


  • COOKED
  • Keys
    • 1.Sd8+!
      • 1...Kxb5
        • 2.Be6
          • threat
            • 3.Bc4#
          • 2...Se5
            • 3.Qxe5+
              • 3...c5
                • 4.Bc4#
    • 1.Bg7!
      • threat
        • 2.Sd4+
          • 2...Kd5
            • 3.Be6#
        • 2.Sa7+
          • 2...Kd5
            • 3.Rd1#
        • 2.Qxc7+
          • 2...Kxb5
            • 3.Sd6#
            • 3.Qc4#
          • 2...Kd5
            • 3.Rd1#
            • 3.Qd6#
            • 3.Qc4#
      • 1...Bxg7+
        • 2.Qe5
          • threat
            • 3.Sd4#
            • 3.Sa7#
            • 3.Sd8#
          • 2...Bxe5+
            • 3.Kc4
              • threat
                • 4.Sa7#
                • 4.Sd8#
          • 2...Sxe5
            • 3.Sd4+
              • 3...Kd5
                • 4.Be6#
      • 1...Kxb5
        • 2.Qxc7
          • threat
            • 3.Sd6#
            • 3.Qc4#
          • 2...Bxg7+
            • 3.Kb3
              • threat
                • 4.Sd6#
                • 4.Qc4#

There are these versions: 75662

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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).