Problem Display
PID: 185758 (5B2/5B2/8/8/8/1pk5/6Q1/7K w - - 0 1)

Howard, David M

3rd Prize, Problem Observer, 2015-2016

5B2/5B2/8/8/8/1pk5/6Q1/7K

#3

4 + 2


136 Problem Observer 2017

SOLUTION


  • SOUND
  • Tries
    • 1.Bc5?
      • 1...Kd3
        • 2.Bxb3
          • 2...Kc3
            • 3.Qc2#
      • 1...b2!
    • 1.Bh6?
      • threat
        • 2.Qd2#
      • 1...Kd3
        • 2.Qf3+
          • 2...Kc2
            • 3.Qxb3#
          • 2...Kd4
            • 3.Qe3#
        • 2.Qd2+
          • 2...Ke4
            • 3.Qd5#
      • 1...Kd4
        • 2.Qd5+
          • 2...Kc3
            • 3.Qd2#
      • 1...Kb4!
  • Keys
    • 1.Bg6!
      • 1...Kc4
        • 2.Qc6+
          • 2...Kd4
            • 3.Qc5#
      • 1...Kd4
        • 2.Qd2+
          • 2...Kc4
            • 3.Qd3#
          • 2...Ke5
            • 3.Qd6#
      • 1...b2
        • 2.Qc2+
          • 2...Kd4
            • 3.Qc5#

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).