Problem Display
PID: 47402 (b7/knQ5/2K5/8/8/8/8/8 w - - 0 1)

Holladay, Edgar Dinwiddie

Problem Observer, 2003

b7/knQ5/2K5/8/8/8/8/8

#5

2 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Qf7!
      • threat
        • 2.Qc7
          • 2...Ka6
            • 3.Qb6#
      • 1...Ka6
        • 2.Qc4+
          • 2...Ka7
            • 3.Kc7
              • threat
                • 4.Qa2+
                  • 4...Sa5
                    • 5.Qxa5#
                • 4.Qa4+
                  • 4...Sa5
                    • 5.Qxa5#
                • 4.Qb3
                  • threat
                    • 5.Qb6#
                  • 4...Ka6
                    • 5.Qb6#
                • 4.Qb5
                  • threat
                    • 5.Qb6#
                • 4.Qe6
                  • threat
                    • 5.Qb6#
                  • 4...Sd6
                    • 5.Qa2#
                • 4.Qb4
                  • threat
                    • 5.Qb6#
                  • 4...Ka6
                    • 5.Qb6#
                • 4.Qc6
                  • threat
                    • 5.Qb6#
              • 3...Sa5
                • 4.Qd4+
                  • 4...Ka6
                    • 5.Qb6#
                • 4.Qc5+
                  • 4...Ka6
                    • 5.Qb6#
              • 3...Sc5
                • 4.Qxc5+
                  • 4...Ka6
                    • 5.Qb6#

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).