Problem Display
PID: 186814 (1Q4n1/4p3/1bp5/2k3p1/2B3n1/1Pp1PN2/8/2K5 w - - 0 1)

Howard, David M

Problem Observer, 2018

1Q4n1/4p3/1bp5/2k3p1/2B3n1/1Pp1PN2/8/2K5

#3

6 + 8


SOLUTION


  • SOUND
  • Sets
    • 1...Kb4
      • 2.Qxb6+
        • 2...Ka3
          • 3.Qa5#
    • 1...e5
      • 2.Qf8+
        • 2...Se7
          • 3.Qxe7#
    • 1...e6
      • 2.Qf8+
        • 2...Se7
          • 3.Qxe7#
  • Keys
    • 1.Se1!
      • threat
        • 2.Sd3#
      • 1...Kb4
        • 2.Qxb6+
          • 2...Ka3
            • 3.Qa5#
      • 1...Sxe3
        • 2.Sd3+
          • 2...Kd4
            • 3.Qe5#
      • 1...Bc7
        • 2.Qa7+
          • 2...Kb4
            • 3.Sc2#
            • 3.Sd3#
          • 2...Kd6
            • 3.Qd4#
          • 2...Bb6
            • 3.Qa3#
      • 1...Sf2
        • 2.Qe5+
          • 2...Kb4
            • 3.Sc2#
      • 1...Se5
        • 2.Qxe5+
          • 2...Kb4
            • 3.Sc2#

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).