Problem Display
PID: 213071 (1R2b3/qn6/2p1N1pN/p1pk1P2/8/5P2/7Q/4K3 w - - 0 1)

Gold, Samuel

Illustrated London News, 1874

1R2b3/qn6/2p1N1pN/p1pk1P2/8/5P2/7Q/4K3

#4

7 + 8


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qf4!
      • threat
        • 2.Sc7#
      • 1...Qxb8
        • 2.Sc7+
          • 2...Qxc7
            • 3.Qe4+
              • 3...Kd6
                • 4.Qe6#
      • 1...Qb6
        • 2.Sc7+
          • 2...Qxc7
            • 3.Qe4+
              • 3...Kd6
                • 4.Qe6#
      • 1...Sd6
        • 2.Qd2+
          • 2...Kc4
            • 3.Qa2+
              • 3...Kc3
                • 4.Qb3#
              • 3...Kd3
                • 4.Qb3#
          • 2...Ke5
            • 3.Qc3+
              • 3...Kd5
                • 4.Sf4#
      • 1...Sd8
        • 2.Qe4+
          • 2...Kd6
            • 3.Qd3+
              • 3...Ke5
                • 4.Sg4#
              • 3...Ke7
                • 4.Qxd8#
      • 1...c4
        • 2.Qd2+
          • 2...Ke5
            • 3.Sg4+
              • 3...Kxf5
                • 4.Sg7#

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).