Problem Display
PID: 35465 (8/8/2k5/Pp2PQ2/1P6/K7/5P2/8 w - - 0 1)

Bull, Cecil Alfred Lucas

Morning Post, 1888

8/8/2k5/Pp2PQ2/1P6/K7/5P2/8

#4

6 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.a6!
      • threat
        • 2.Qf7
          • 2...Kb6
            • 3.Qb7#
      • 1...Kd5
        • 2.Kb2
          • 2...Kd4
            • 3.e6
              • 3...Kc4
                • 4.Qe4#
          • 2...Kc6
            • 3.Qf7
              • 3...Kb6
                • 4.Qb7#
      • 1...Kc7
        • 2.Qh7+
          • 2...Kc8
            • 3.Qe7
              • 3...Kb8
                • 4.Qb7#
            • 3.e6
              • 3...Kb8
                • 4.Qb7#
              • 3...Kd8
                • 4.Qd7#
            • 3.a7
              • 3...Kd8
                • 4.a8Q#
                • 4.a8R#
          • 2...Kd8
            • 3.a7
              • threat
                • 4.a8Q#
                • 4.a8R#
              • 3...Kc8
                • 4.a8Q#
                • 4.a8R#
              • 3...Ke8
                • 4.a8Q#
                • 4.a8R#
        • 2.Qf7+
          • 2...Kc8
            • 3.Qe7
              • 3...Kb8
                • 4.Qb7#
            • 3.e6
              • 3...Kb8
                • 4.Qb7#
              • 3...Kd8
                • 4.Qd7#
            • 3.a7
              • 3...Kd8
                • 4.a8Q#
                • 4.a8R#
          • 2...Kd8
            • 3.a7
              • 3...Kc8
                • 4.a8Q#
                • 4.a8R#

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).